{
"cells": [
{
"cell_type": "markdown",
"source": [
"# **Simulating the Bullwhip Effect in a Multi-Tier Supply Chain**"
],
"metadata": {
"id": "UWS_u9PyEcRh"
}
},
{
"cell_type": "markdown",
"metadata": {
"id": "evlSIeEs2W67"
},
"source": [
"# Settings"
]
},
{
"cell_type": "code",
"source": [
"# Define cost per unit for storage and backorder penalties\n",
"STORAGE_COST_PER_UNIT = 0.5 # Cost incurred for storing each unit of product\n",
"BACKORDER_PENALTY_COST_PER_UNIT = 1 # Cost penalty for each unit in backorder (unfulfilled orders)\n",
"\n",
"# Define the number of weeks for the simulation\n",
"WEEKS_TO_PLAY = 41 # Total simulation period in weeks\n",
"\n",
"# Set delay in supply chain (in weeks)\n",
"QUEUE_DELAY_WEEKS = 2 # Delay time in weeks between order and delivery in supply chain\n",
"\n",
"# Initial values for various stock-related metrics\n",
"INITIAL_STOCK = 12 # Starting stock level for each actor\n",
"INITIAL_COST = 0 # Initial cost at the beginning of the simulation\n",
"INITIAL_CURRENT_ORDERS = 0 # Initial orders at the start of the simulation\n",
"\n",
"# Customer ordering pattern settings\n",
"CUSTOMER_INITIAL_ORDERS = 5 # Initial order quantity for customers in early weeks\n",
"CUSTOMER_SUBSEQUENT_ORDERS = 9 # Increased order quantity for customers in subsequent weeks\n",
"\n",
"# Target stock level for supply chain actors\n",
"TARGET_STOCK = 12 # Desired stock level to balance demand and minimize costs"
],
"metadata": {
"id": "PHolsibV-ELk"
},
"execution_count": 11,
"outputs": []
},
{
"cell_type": "markdown",
"metadata": {
"id": "vdx7B5rL2W6_"
},
"source": [
"# Customers"
]
},
{
"cell_type": "code",
"execution_count": 12,
"metadata": {
"id": "aYQeuUoE2W6_"
},
"outputs": [],
"source": [
"# Define the Customer class to simulate customer behavior\n",
"class Customer:\n",
" def __init__(self):\n",
" # Initialize the total beer received by the customer\n",
" self.totalBeerReceived = 0\n",
" return\n",
"\n",
" def RecieveFromRetailer(self, amountReceived):\n",
" # Update the total amount of beer received based on supply from the retailer\n",
" self.totalBeerReceived += amountReceived\n",
" return\n",
"\n",
" def CalculateOrder(self, weekNum):\n",
" # Calculate the customer order based on the week number\n",
" # Order amount changes after the initial weeks to reflect demand increase\n",
" if weekNum <= 5:\n",
" result = CUSTOMER_INITIAL_ORDERS\n",
" else:\n",
" result = CUSTOMER_SUBSEQUENT_ORDERS\n",
" return result\n",
"\n",
" def GetBeerReceived(self):\n",
" # Retrieve the total amount of beer received by the customer\n",
" return self.totalBeerReceived"
]
},
{
"cell_type": "markdown",
"metadata": {
"id": "m3hjiAxA2W6_"
},
"source": [
"# SupplyChainQueue"
]
},
{
"cell_type": "code",
"execution_count": 13,
"metadata": {
"id": "9OsbgZl32W6_"
},
"outputs": [],
"source": [
"class SupplyChainQueue:\n",
"\n",
" def __init__(self, queueLength):\n",
" # Initialize the supply chain queue with a specified length\n",
" # 'queueLength' represents the maximum number of orders that can be held in the queue\n",
" self.queueLength = queueLength\n",
" self.data = [] # List to store orders in the queue\n",
" return\n",
"\n",
" def PushEnvelope(self, numberOfCasesToOrder):\n",
" # Attempt to place a new order in the queue\n",
" # 'numberOfCasesToOrder' represents the quantity of product ordered\n",
" orderSuccessfullyPlaced = False # Track if order was successfully added\n",
"\n",
" if len(self.data) < self.queueLength: # Check if queue has space for the order\n",
" self.data.append(numberOfCasesToOrder) # Add order to the queue\n",
" orderSuccessfullyPlaced = True # Mark order as successfully placed\n",
"\n",
" return orderSuccessfullyPlaced # Return whether the order was successfully added\n",
"\n",
" def AdvanceQueue(self):\n",
" # Move the queue forward by removing the oldest order (FIFO - First In, First Out)\n",
" # This simulates the delay in processing orders over time\n",
" self.data.pop(0) # Remove the first order in the queue\n",
" return\n",
"\n",
" def PopEnvelope(self):\n",
" # Retrieve the next order to be delivered from the front of the queue\n",
" if len(self.data) >= 1: # Check if there is at least one order in the queue\n",
" quantityDelivered = self.data[0] # Get the first order in the queue\n",
" self.AdvanceQueue() # Remove it from the queue after delivery\n",
" else:\n",
" quantityDelivered = 0 # No orders to deliver if the queue is empty\n",
"\n",
" return quantityDelivered # Return the quantity to be delivered\n",
"\n",
" def PrettyPrint(self):\n",
" # Print the current state of the queue, mainly for debugging purposes\n",
" print(self.data)\n",
" return"
]
},
{
"cell_type": "markdown",
"metadata": {
"id": "7QKiWeU72W7A"
},
"source": [
"# SupplyChainActor"
]
},
{
"cell_type": "code",
"execution_count": 14,
"metadata": {
"id": "IimSKBfe2W7A"
},
"outputs": [],
"source": [
"class SupplyChainActor:\n",
"\n",
" def __init__(self, incomingOrdersQueue, outgoingOrdersQueue, incomingDeliveriesQueue, outgoingDeliveriesQueue):\n",
" # Initialize stock, orders, and cost attributes\n",
" self.currentStock = INITIAL_STOCK # Initial stock level for the actor\n",
" self.currentOrders = INITIAL_CURRENT_ORDERS # Initial orders to be fulfilled\n",
" self.costsIncurred = INITIAL_COST # Initial cost at the start of the simulation\n",
"\n",
" # Set up queues for managing orders and deliveries\n",
" self.incomingOrdersQueue = incomingOrdersQueue # Queue for orders from downstream actors\n",
" self.outgoingOrdersQueue = outgoingOrdersQueue # Queue for orders to upstream actors\n",
" self.incomingDeliveriesQueue = incomingDeliveriesQueue # Queue for deliveries from upstream\n",
" self.outgoingDeliveriesQueue = outgoingDeliveriesQueue # Queue for deliveries to downstream\n",
"\n",
" self.lastOrderQuantity = 0 # Store the quantity ordered in the last round for tracking purposes\n",
" return\n",
"\n",
" def PlaceOutgoingDelivery(self, amountToDeliver):\n",
" # Place the calculated delivery quantity in the outgoing deliveries queue\n",
" self.outgoingDeliveriesQueue.PushEnvelope(amountToDeliver)\n",
" return\n",
"\n",
" def PlaceOutgoingOrder(self, weekNum):\n",
" # Place an order based on the week number, using an \"anchor and maintain\" strategy after an initial period\n",
" if weekNum <= 4:\n",
" amountToOrder = 4 # Initial equilibrium order amount for the first few weeks\n",
" else:\n",
" # After initial weeks, determine order based on current orders and stock levels\n",
" amountToOrder = 0.5 * self.currentOrders # Order amount scales with outstanding orders\n",
"\n",
" # Adjust order to reach target stock level\n",
" if (TARGET_STOCK - self.currentStock) > 0:\n",
" amountToOrder += TARGET_STOCK - self.currentStock\n",
"\n",
" # Add the order to the outgoing orders queue\n",
" self.outgoingOrdersQueue.PushEnvelope(amountToOrder)\n",
" self.lastOrderQuantity = amountToOrder # Track the last order quantity for reference\n",
" return\n",
"\n",
" def ReceiveIncomingDelivery(self):\n",
" # Receive a delivery from upstream by popping the first item in the incoming deliveries queue\n",
" quantityReceived = self.incomingDeliveriesQueue.PopEnvelope()\n",
"\n",
" # Add the received quantity to the current stock\n",
" if quantityReceived > 0:\n",
" self.currentStock += quantityReceived\n",
" return\n",
"\n",
" def ReceiveIncomingOrders(self):\n",
" # Receive an order from downstream by popping the first item in the incoming orders queue\n",
" thisOrder = self.incomingOrdersQueue.PopEnvelope()\n",
"\n",
" # Add the incoming order to the current orders to be fulfilled\n",
" if thisOrder > 0:\n",
" self.currentOrders += thisOrder\n",
" return\n",
"\n",
" def CalcBeerToDeliver(self):\n",
" # Calculate the quantity of beer to deliver based on current stock and orders\n",
" deliveryQuantity = 0\n",
"\n",
" # If current stock can fulfill all current orders, deliver the full amount\n",
" if self.currentStock >= self.currentOrders:\n",
" deliveryQuantity = self.currentOrders\n",
" self.currentStock -= deliveryQuantity # Reduce stock by delivered quantity\n",
" self.currentOrders -= deliveryQuantity # Reduce outstanding orders accordingly\n",
" # If stock is insufficient, deliver as much as possible and backorder the rest\n",
" elif self.currentStock > 0 and self.currentStock < self.currentOrders:\n",
" deliveryQuantity = self.currentStock # Deliver all available stock\n",
" self.currentStock = 0 # Stock becomes zero after delivery\n",
" self.currentOrders -= deliveryQuantity # Reduce outstanding orders by delivered amount\n",
" return deliveryQuantity\n",
"\n",
" def CalcCostForTurn(self):\n",
" # Calculate the costs for the current turn, including storage and backorder penalties\n",
" inventoryStorageCost = self.currentStock * STORAGE_COST_PER_UNIT # Cost for holding inventory\n",
" backorderPenaltyCost = self.currentOrders * BACKORDER_PENALTY_COST_PER_UNIT # Cost for unfulfilled orders\n",
" costsThisTurn = inventoryStorageCost + backorderPenaltyCost # Total cost for this turn\n",
" return costsThisTurn\n",
"\n",
" def GetCostIncurred(self):\n",
" # Return the total costs incurred by this actor so far\n",
" return self.costsIncurred\n",
"\n",
" def GetLastOrderQuantity(self):\n",
" # Return the quantity of the last order placed by this actor\n",
" return self.lastOrderQuantity\n",
"\n",
" def CalcEffectiveInventory(self):\n",
" # Calculate effective inventory as the difference between stock and outstanding orders\n",
" # This helps determine if the actor is in surplus or backorder\n",
" return (self.currentStock - self.currentOrders)"
]
},
{
"cell_type": "markdown",
"metadata": {
"id": "ei3YZtmY2W7A"
},
"source": [
"# Retailer"
]
},
{
"cell_type": "code",
"execution_count": 15,
"metadata": {
"id": "dhUX7bLx2W7A"
},
"outputs": [],
"source": [
"class Retailer(SupplyChainActor):\n",
"\n",
" def __init__(self, incomingOrdersQueue, outgoingOrdersQueue, incomingDeliveriesQueue, outgoingDeliveriesQueue, theCustomer):\n",
" # Initialize the retailer with supply chain queues and a customer instance\n",
" # Inherit attributes and methods from the SupplyChainActor superclass\n",
" super().__init__(incomingOrdersQueue, outgoingOrdersQueue, incomingDeliveriesQueue, outgoingDeliveriesQueue)\n",
" self.customer = theCustomer # Customer instance associated with the retailer\n",
" return\n",
"\n",
" def ReceiveIncomingOrderFromCustomer(self, weekNum):\n",
" # Add the calculated customer order for the current week to the retailer's orders\n",
" # CalculateOrder method from Customer class is used to get the order amount\n",
" self.currentOrders += self.customer.CalculateOrder(weekNum)\n",
" return\n",
"\n",
" def ShipOutgoingDeliveryToCustomer(self):\n",
" # Ship the calculated amount of beer to the customer by calling CalcBeerToDeliver\n",
" # RecieveFromRetailer method from Customer class is used to receive the quantity delivered\n",
" self.customer.RecieveFromRetailer(self.CalcBeerToDeliver())\n",
" return\n",
"\n",
" def TakeTurn(self, weekNum):\n",
" # Define the series of actions the retailer performs each turn (weekly):\n",
"\n",
" # 1. Receive new delivery from the wholesaler\n",
" # This step also advances the delivery queue by removing the first order in line\n",
" self.ReceiveIncomingDelivery()\n",
"\n",
" # 2. Receive new order from the customer\n",
" self.ReceiveIncomingOrderFromCustomer(weekNum)\n",
"\n",
" # 3. Calculate and ship the required amount to the customer\n",
" # Directly call RecieveFromRetailer with a fixed delivery amount for the initial weeks\n",
" if weekNum <= 4:\n",
" self.customer.RecieveFromRetailer(4) # Fixed delivery amount in the first weeks\n",
" else:\n",
" self.customer.RecieveFromRetailer(self.CalcBeerToDeliver()) # Dynamic delivery based on stock\n",
"\n",
" # 4. Place an outgoing order to the wholesaler\n",
" self.PlaceOutgoingOrder(weekNum)\n",
"\n",
" # 5. Update the retailer's costs for the current turn\n",
" self.costsIncurred += self.CalcCostForTurn()\n",
" return"
]
},
{
"cell_type": "markdown",
"metadata": {
"id": "SFRrZOtE2W7B"
},
"source": [
"# Wholesaler"
]
},
{
"cell_type": "code",
"execution_count": 16,
"metadata": {
"id": "Zq-elYeV2W7B"
},
"outputs": [],
"source": [
"class Wholesaler(SupplyChainActor):\n",
"\n",
" def __init__(self, incomingOrdersQueue, outgoingOrdersQueue, incomingDeliveriesQueue, outgoingDeliveriesQueue):\n",
" # Initialize the wholesaler with supply chain queues by inheriting from SupplyChainActor\n",
" super().__init__(incomingOrdersQueue, outgoingOrdersQueue, incomingDeliveriesQueue, outgoingDeliveriesQueue)\n",
" return\n",
"\n",
" def TakeTurn(self, weekNum):\n",
" # Define the steps the wholesaler performs each turn (weekly):\n",
"\n",
" # 1. Receive new delivery from the distributor\n",
" # This step also advances the delivery queue by removing the first order in line\n",
" self.ReceiveIncomingDelivery()\n",
"\n",
" # 2. Receive new order from the retailer\n",
" # This step also advances the orders queue\n",
" self.ReceiveIncomingOrders()\n",
"\n",
" # 3. Prepare and place the outgoing delivery to the retailer\n",
" # Initially, for the first few weeks, send a fixed amount of 4 units\n",
" if weekNum <= 4:\n",
" self.PlaceOutgoingDelivery(4) # Fixed delivery amount in the first weeks\n",
" else:\n",
" # After the initial weeks, calculate the delivery based on current stock and orders\n",
" self.PlaceOutgoingDelivery(self.CalcBeerToDeliver())\n",
"\n",
" # 4. Place an order to the upstream actor (such as a distributor)\n",
" self.PlaceOutgoingOrder(weekNum)\n",
"\n",
" # 5. Update the wholesaler's costs for the current turn\n",
" self.costsIncurred += self.CalcCostForTurn()\n",
" return"
]
},
{
"cell_type": "markdown",
"metadata": {
"id": "uSoFWWQi2W7B"
},
"source": [
"# Distributor"
]
},
{
"cell_type": "code",
"execution_count": 17,
"metadata": {
"id": "IV1SB0gO2W7B"
},
"outputs": [],
"source": [
"class Distributor(SupplyChainActor):\n",
"\n",
" def __init__(self, incomingOrdersQueue, outgoingOrdersQueue, incomingDeliveriesQueue, outgoingDeliveriesQueue):\n",
" # Initialize the distributor with supply chain queues by inheriting from SupplyChainActor\n",
" super().__init__(incomingOrdersQueue, outgoingOrdersQueue, incomingDeliveriesQueue, outgoingDeliveriesQueue)\n",
" return\n",
"\n",
" def TakeTurn(self, weekNum):\n",
" # Define the steps the distributor performs each turn (weekly):\n",
"\n",
" # 1. Receive new delivery from the factory\n",
" # This also advances the delivery queue by removing the first item in line\n",
" self.ReceiveIncomingDelivery()\n",
"\n",
" # 2. Receive new order from the wholesaler\n",
" # This also advances the orders queue by removing the first item in line\n",
" self.ReceiveIncomingOrders()\n",
"\n",
" # 3. Prepare and place the outgoing delivery to the wholesaler\n",
" # Initially, for the first few weeks, send a fixed amount of 4 units\n",
" if weekNum <= 4:\n",
" self.PlaceOutgoingDelivery(4) # Fixed delivery amount in the first weeks\n",
" else:\n",
" # After the initial weeks, calculate delivery based on current stock and orders\n",
" self.PlaceOutgoingDelivery(self.CalcBeerToDeliver())\n",
"\n",
" # 4. Place an order to the upstream actor (e.g., factory) to replenish stock\n",
" self.PlaceOutgoingOrder(weekNum)\n",
"\n",
" # 5. Update the distributor’s costs for the current turn\n",
" self.costsIncurred += self.CalcCostForTurn()\n",
" return"
]
},
{
"cell_type": "markdown",
"metadata": {
"id": "oebF0Q9h2W7B"
},
"source": [
"# Factory"
]
},
{
"cell_type": "code",
"execution_count": 18,
"metadata": {
"id": "J20MJ-3D2W7C"
},
"outputs": [],
"source": [
"class Factory(SupplyChainActor):\n",
"\n",
" def __init__(self, incomingOrdersQueue, outgoingOrdersQueue, incomingDeliveriesQueue, outgoingDeliveriesQueue, productionDelayWeeks):\n",
" # Initialize the factory with supply chain queues and a production delay queue\n",
" super().__init__(incomingOrdersQueue, outgoingOrdersQueue, incomingDeliveriesQueue, outgoingDeliveriesQueue)\n",
"\n",
" # Initialize a queue to handle production delays (simulating brewing/production time)\n",
" self.BeerProductionDelayQueue = SupplyChainQueue(productionDelayWeeks)\n",
"\n",
" # Assume the factory has initial production runs in progress for stability\n",
" # These initial production orders help prevent stockouts at the beginning\n",
" self.BeerProductionDelayQueue.PushEnvelope(CUSTOMER_INITIAL_ORDERS)\n",
" self.BeerProductionDelayQueue.PushEnvelope(CUSTOMER_INITIAL_ORDERS)\n",
" return\n",
"\n",
" def ProduceBeer(self, weekNum):\n",
" # Calculate the amount of beer to produce based on the week number\n",
"\n",
" if weekNum <= 4:\n",
" amountToOrder = 4 # Fixed initial production amount for the first few weeks\n",
" else:\n",
" # After initial weeks, production amount scales with current orders and target stock\n",
" amountToOrder = 0.5 * self.currentOrders # Produces enough to cover current orders\n",
"\n",
" # Adjust production to maintain target stock level if below target\n",
" if (TARGET_STOCK - self.currentStock) > 0:\n",
" amountToOrder += TARGET_STOCK - self.currentStock\n",
"\n",
" # Add the production order to the production delay queue (simulates delayed production)\n",
" self.BeerProductionDelayQueue.PushEnvelope(amountToOrder)\n",
" self.lastOrderQuantity = amountToOrder # Track the last production order quantity\n",
" return\n",
"\n",
" def FinishProduction(self):\n",
" # Complete a production run and add the produced beer to the current stock\n",
" amountProduced = self.BeerProductionDelayQueue.PopEnvelope()\n",
"\n",
" # Add completed production amount to stock if production is finished\n",
" if amountProduced > 0:\n",
" self.currentStock += amountProduced\n",
" return\n",
"\n",
" def TakeTurn(self, weekNum):\n",
" # Define the steps the factory performs each turn (weekly):\n",
"\n",
" # 1. Complete previous production runs (if any) and add to stock\n",
" self.FinishProduction()\n",
"\n",
" # 2. Receive new orders from the distributor\n",
" # Advances the incoming orders queue by removing the first order\n",
" self.ReceiveIncomingOrders()\n",
"\n",
" # 3. Prepare and place the outgoing delivery to the distributor\n",
" # Initially, send a fixed amount of 4 units in the first few weeks\n",
" if weekNum <= 4:\n",
" self.PlaceOutgoingDelivery(4)\n",
" else:\n",
" # After initial weeks, calculate delivery based on current stock and orders\n",
" self.PlaceOutgoingDelivery(self.CalcBeerToDeliver())\n",
"\n",
" # 4. Initiate production to fulfill future demand\n",
" self.ProduceBeer(weekNum)\n",
"\n",
" # 5. Calculate and update the factory’s costs for the current turn\n",
" self.costsIncurred += self.CalcCostForTurn()\n",
" return"
]
},
{
"cell_type": "markdown",
"metadata": {
"id": "bIHIgpX72W7C"
},
"source": [
"# SupplyChainStatistics"
]
},
{
"cell_type": "code",
"execution_count": 19,
"metadata": {
"id": "YA5-s-A_2W7C"
},
"outputs": [],
"source": [
"import plotly.express as px\n",
"import plotly.graph_objects as go\n",
"\n",
"class SupplyChainStatistics:\n",
"\n",
" def __init__(self):\n",
" # Initialize lists to store time-series data for each actor in the supply chain\n",
" # Each list will track metrics over each turn (e.g., week)\n",
"\n",
" # Costs over time for each supply chain actor\n",
" self.retailerCostsOverTime = []\n",
" self.wholesalerCostsOverTime = []\n",
" self.distributorCostsOverTime = []\n",
" self.factoryCostsOverTime = []\n",
"\n",
" # Orders over time for each actor\n",
" self.retailerOrdersOverTime = []\n",
" self.wholesalerOrdersOverTime = []\n",
" self.distributorOrdersOverTime = []\n",
" self.factoryOrdersOverTime = []\n",
"\n",
" # Effective inventory (current stock - current orders) over time for each actor\n",
" self.retailerEffectiveInventoryOverTime = []\n",
" self.wholesalerEffectiveInventoryOverTime = []\n",
" self.distributorEffectiveInventoryOverTime = []\n",
" self.factoryEffectiveInventoryOverTime = []\n",
" return\n",
"\n",
" # Methods to record orders each week for each actor\n",
" def RecordRetailerOrders(self, retailerOrdersThisWeek):\n",
" self.retailerOrdersOverTime.append(retailerOrdersThisWeek)\n",
" print('Retailer Order:', self.retailerOrdersOverTime[-1])\n",
" return\n",
"\n",
" def RecordWholesalerOrders(self, wholesalerOrdersThisWeek):\n",
" self.wholesalerOrdersOverTime.append(wholesalerOrdersThisWeek)\n",
" print('Wholesaler Order:', self.wholesalerOrdersOverTime[-1])\n",
" return\n",
"\n",
" def RecordDistributorOrders(self, distributorOrdersThisWeek):\n",
" self.distributorOrdersOverTime.append(distributorOrdersThisWeek)\n",
" print('Distributor Order:', self.distributorOrdersOverTime[-1])\n",
" return\n",
"\n",
" def RecordFactoryOrders(self, factoryOrdersThisWeek):\n",
" self.factoryOrdersOverTime.append(factoryOrdersThisWeek)\n",
" print('Factory Order:', self.factoryOrdersOverTime[-1])\n",
" return\n",
"\n",
" # Methods to record costs incurred each week for each actor\n",
" def RecordRetailerCost(self, retailerCostsThisWeek):\n",
" self.retailerCostsOverTime.append(retailerCostsThisWeek)\n",
" print('Retailer Cost:', self.retailerCostsOverTime[-1])\n",
" return\n",
"\n",
" def RecordWholesalerCost(self, wholesalerCostsThisWeek):\n",
" self.wholesalerCostsOverTime.append(wholesalerCostsThisWeek)\n",
" print('Wholesaler Cost:', self.wholesalerCostsOverTime[-1])\n",
" return\n",
"\n",
" def RecordDistributorCost(self, distributorCostsThisWeek):\n",
" self.distributorCostsOverTime.append(distributorCostsThisWeek)\n",
" print('Distributor Cost:', self.distributorCostsOverTime[-1])\n",
" return\n",
"\n",
" def RecordFactoryCost(self, factoryCostsThisWeek):\n",
" self.factoryCostsOverTime.append(factoryCostsThisWeek)\n",
" print('Factory Cost:', self.factoryCostsOverTime[-1])\n",
" return\n",
"\n",
" # Methods to record effective inventory each week for each actor\n",
" def RecordRetailerEffectiveInventory(self, retailerEffectiveInventoryThisWeek):\n",
" self.retailerEffectiveInventoryOverTime.append(retailerEffectiveInventoryThisWeek)\n",
" print('Retailer Effective Inventory:', self.retailerEffectiveInventoryOverTime[-1])\n",
" return\n",
"\n",
" def RecordWholesalerEffectiveInventory(self, wholesalerEffectiveInventoryThisWeek):\n",
" self.wholesalerEffectiveInventoryOverTime.append(wholesalerEffectiveInventoryThisWeek)\n",
" print('Wholesaler Effective Inventory:', self.wholesalerEffectiveInventoryOverTime[-1])\n",
" return\n",
"\n",
" def RecordDistributorEffectiveInventory(self, distributorEffectiveInventoryThisWeek):\n",
" self.distributorEffectiveInventoryOverTime.append(distributorEffectiveInventoryThisWeek)\n",
" print('Distributor Effective Inventory:', self.distributorEffectiveInventoryOverTime[-1])\n",
" return\n",
"\n",
" def RecordFactoryEffectiveInventory(self, factoryEffectiveInventoryThisWeek):\n",
" self.factoryEffectiveInventoryOverTime.append(factoryEffectiveInventoryThisWeek)\n",
" print('Factory Effective Inventory:', self.factoryEffectiveInventoryOverTime[-1])\n",
" return\n",
"\n",
" # Plotting methods to visualize orders, inventory, and costs over time for each actor\n",
" def PlotOrders(self):\n",
" # Create a plot to visualize orders placed over time by each actor\n",
" fig = go.Figure()\n",
" weeks = list(range(0, WEEKS_TO_PLAY + 2))\n",
" fig.add_trace(go.Scatter(x=weeks, y=self.retailerOrdersOverTime, mode='lines+markers',\n",
" name='Retailer Orders', marker=dict(size=5), marker_color='rgb(215,48,39)'))\n",
" fig.add_trace(go.Scatter(x=weeks, y=self.wholesalerOrdersOverTime, mode='lines+markers',\n",
" name='Wholesaler Orders', marker=dict(size=5), marker_color='rgb(255,186,0)'))\n",
" fig.add_trace(go.Scatter(x=weeks, y=self.distributorOrdersOverTime, mode='lines+markers',\n",
" name='Distributor Orders', marker=dict(size=5), marker_color='rgb(126,2,114)'))\n",
" fig.add_trace(go.Scatter(x=weeks, y=self.factoryOrdersOverTime, mode='lines+markers',\n",
" name='Factory Orders', marker=dict(size=5), marker_color='rgb(69,117,180)'))\n",
" fig.update_layout(title_text='*Orders Placed Over Time*', xaxis_title='Weeks', yaxis_title='Orders',\n",
" paper_bgcolor='rgba(0,0,0,0)', height=580)\n",
" fig.update_xaxes(range=[0, WEEKS_TO_PLAY])\n",
" fig.show()\n",
" return\n",
"\n",
" def PlotEffectiveInventory(self):\n",
" # Create a plot to visualize effective inventory over time for each actor\n",
" fig = go.Figure()\n",
" weeks = list(range(0, WEEKS_TO_PLAY + 2))\n",
" fig.add_trace(go.Scatter(x=weeks, y=self.retailerEffectiveInventoryOverTime, mode='lines+markers',\n",
" name='Retailer Inventory', marker=dict(size=5), marker_color='rgb(215,48,39)'))\n",
" fig.add_trace(go.Scatter(x=weeks, y=self.wholesalerEffectiveInventoryOverTime, mode='lines+markers',\n",
" name='Wholesaler Inventory', marker=dict(size=5), marker_color='rgb(255,186,0)'))\n",
" fig.add_trace(go.Scatter(x=weeks, y=self.distributorEffectiveInventoryOverTime, mode='lines+markers',\n",
" name='Distributor Inventory', marker=dict(size=5), marker_color='rgb(126,2,114)'))\n",
" fig.add_trace(go.Scatter(x=weeks, y=self.factoryEffectiveInventoryOverTime, mode='lines+markers',\n",
" name='Factory Inventory', marker=dict(size=5), marker_color='rgb(69,117,180)'))\n",
" fig.update_layout(title_text='*Effective Inventory Over Time*', xaxis_title='Weeks', yaxis_title='Effective Inventory',\n",
" paper_bgcolor='rgba(0,0,0,0)', height=580)\n",
" fig.update_xaxes(range=[0, WEEKS_TO_PLAY])\n",
" fig.show()\n",
" return\n",
"\n",
" def PlotCosts(self):\n",
" # Create a plot to visualize total costs incurred over time by each actor\n",
" fig = go.Figure()\n",
" weeks = list(range(0, WEEKS_TO_PLAY + 2))\n",
" fig.add_trace(go.Scatter(x=weeks, y=self.retailerCostsOverTime, mode='lines+markers',\n",
" name='Retailer Total Cost', marker=dict(size=5), marker_color='rgb(215,48,39)'))\n",
" fig.add_trace(go.Scatter(x=weeks, y=self.wholesalerCostsOverTime, mode='lines+markers',\n",
" name='Wholesaler Total Cost', marker=dict(size=5), marker_color='rgb(255,186,0)'))\n",
" fig.add_trace(go.Scatter(x=weeks, y=self.distributorCostsOverTime, mode='lines+markers',\n",
" name='Distributor Total Cost', marker=dict(size=5), marker_color='rgb(126,2,114)'))\n",
" fig.add_trace(go.Scatter(x=weeks, y=self.factoryCostsOverTime, mode='lines+markers',\n",
" name='Factory Total Cost', marker=dict(size=5), marker_color='rgb(69,117,180)'))\n",
" fig.update_layout(title_text='*Cost Incurred Over Time*', xaxis_title='Weeks', yaxis_title='Cost ($)',\n",
" paper_bgcolor='rgba(0,0,0,0)', height=580)\n",
" fig.update_xaxes(range=[0, WEEKS_TO_PLAY])\n",
" fig.show()\n",
" return"
]
},
{
"cell_type": "markdown",
"metadata": {
"id": "45gBZ0mB2W7C"
},
"source": [
"# Main"
]
},
{
"cell_type": "code",
"execution_count": 20,
"metadata": {
"scrolled": true,
"colab": {
"base_uri": "https://localhost:8080/",
"height": 1000
},
"id": "0tuSSB_N2W7C",
"outputId": "65f7af48-6519-480e-f24f-af1459440699"
},
"outputs": [
{
"output_type": "stream",
"name": "stdout",
"text": [
"\n",
" -------------------------------------------------\n",
" Week 0\n",
"-------------------------------------------------\n",
"Retailer Cost: 13.5\n",
"Retailer Order: 4\n",
"Retailer Effective Inventory: 12\n",
"Wholesaler Cost: 13.5\n",
"Wholesaler Order: 4\n",
"Wholesaler Effective Inventory: 12\n",
"Distributor Cost: 13.5\n",
"Distributor Order: 4\n",
"Distributor Effective Inventory: 12\n",
"Factory Cost: 13.5\n",
"Factory Order: 4\n",
"Factory Effective Inventory: 12\n",
"\n",
" -------------------------------------------------\n",
" Week 1\n",
"-------------------------------------------------\n",
"Retailer Cost: 34.5\n",
"Retailer Order: 4\n",
"Retailer Effective Inventory: 12\n",
"Wholesaler Cost: 34.5\n",
"Wholesaler Order: 4\n",
"Wholesaler Effective Inventory: 12\n",
"Distributor Cost: 34.5\n",
"Distributor Order: 4\n",
"Distributor Effective Inventory: 12\n",
"Factory Cost: 34.5\n",
"Factory Order: 4\n",
"Factory Effective Inventory: 12\n",
"\n",
" -------------------------------------------------\n",
" Week 2\n",
"-------------------------------------------------\n",
"Retailer Cost: 62.5\n",
"Retailer Order: 4\n",
"Retailer Effective Inventory: 11\n",
"Wholesaler Cost: 61.5\n",
"Wholesaler Order: 4\n",
"Wholesaler Effective Inventory: 12\n",
"Distributor Cost: 61.5\n",
"Distributor Order: 4\n",
"Distributor Effective Inventory: 12\n",
"Factory Cost: 61.5\n",
"Factory Order: 4\n",
"Factory Effective Inventory: 12\n",
"\n",
" -------------------------------------------------\n",
" Week 3\n",
"-------------------------------------------------\n",
"Retailer Cost: 97.5\n",
"Retailer Order: 4\n",
"Retailer Effective Inventory: 10\n",
"Wholesaler Cost: 94.5\n",
"Wholesaler Order: 4\n",
"Wholesaler Effective Inventory: 12\n",
"Distributor Cost: 94.5\n",
"Distributor Order: 4\n",
"Distributor Effective Inventory: 12\n",
"Factory Cost: 94.5\n",
"Factory Order: 4\n",
"Factory Effective Inventory: 12\n",
"\n",
" -------------------------------------------------\n",
" Week 4\n",
"-------------------------------------------------\n",
"Retailer Cost: 139.5\n",
"Retailer Order: 4\n",
"Retailer Effective Inventory: 9\n",
"Wholesaler Cost: 133.5\n",
"Wholesaler Order: 4\n",
"Wholesaler Effective Inventory: 12\n",
"Distributor Cost: 133.5\n",
"Distributor Order: 4\n",
"Distributor Effective Inventory: 12\n",
"Factory Cost: 133.5\n",
"Factory Order: 4\n",
"Factory Effective Inventory: 12\n",
"\n",
" -------------------------------------------------\n",
" Week 5\n",
"-------------------------------------------------\n",
"Retailer Cost: 143.5\n",
"Retailer Order: 4.0\n",
"Retailer Effective Inventory: 8\n",
"Wholesaler Cost: 139.5\n",
"Wholesaler Order: 0.0\n",
"Wholesaler Effective Inventory: 12\n",
"Distributor Cost: 139.5\n",
"Distributor Order: 0.0\n",
"Distributor Effective Inventory: 12\n",
"Factory Cost: 139.5\n",
"Factory Order: 0.0\n",
"Factory Effective Inventory: 12\n",
"\n",
" -------------------------------------------------\n",
" Week 6\n",
"-------------------------------------------------\n",
"Retailer Cost: 145.0\n",
"Retailer Order: 9.0\n",
"Retailer Effective Inventory: 3\n",
"Wholesaler Cost: 145.5\n",
"Wholesaler Order: 0.0\n",
"Wholesaler Effective Inventory: 12.0\n",
"Distributor Cost: 147.5\n",
"Distributor Order: 0.0\n",
"Distributor Effective Inventory: 16\n",
"Factory Cost: 147.5\n",
"Factory Order: 0.0\n",
"Factory Effective Inventory: 16\n",
"\n",
" -------------------------------------------------\n",
" Week 7\n",
"-------------------------------------------------\n",
"Retailer Cost: 155.0\n",
"Retailer Order: 0.0\n",
"Retailer Effective Inventory: 20\n",
"Wholesaler Cost: 160.0\n",
"Wholesaler Order: 0.0\n",
"Wholesaler Effective Inventory: 29.0\n",
"Distributor Cost: 168.5\n",
"Distributor Order: 0.0\n",
"Distributor Effective Inventory: 42\n",
"Factory Cost: 155.5\n",
"Factory Order: 0.0\n",
"Factory Effective Inventory: 16\n",
"\n",
" -------------------------------------------------\n",
" Week 8\n",
"-------------------------------------------------\n",
"Retailer Cost: 162.5\n",
"Retailer Order: 0.0\n",
"Retailer Effective Inventory: 15.0\n",
"Wholesaler Cost: 174.5\n",
"Wholesaler Order: 0.0\n",
"Wholesaler Effective Inventory: 29.0\n",
"Distributor Cost: 189.5\n",
"Distributor Order: 0.0\n",
"Distributor Effective Inventory: 42\n",
"Factory Cost: 163.5\n",
"Factory Order: 0.0\n",
"Factory Effective Inventory: 16\n",
"\n",
" -------------------------------------------------\n",
" Week 9\n",
"-------------------------------------------------\n",
"Retailer Cost: 170.0\n",
"Retailer Order: 0.0\n",
"Retailer Effective Inventory: 15.0\n",
"Wholesaler Cost: 189.0\n",
"Wholesaler Order: 0.0\n",
"Wholesaler Effective Inventory: 29.0\n",
"Distributor Cost: 210.5\n",
"Distributor Order: 0.0\n",
"Distributor Effective Inventory: 42\n",
"Factory Cost: 171.5\n",
"Factory Order: 0.0\n",
"Factory Effective Inventory: 16\n",
"\n",
" -------------------------------------------------\n",
" Week 10\n",
"-------------------------------------------------\n",
"Retailer Cost: 173.0\n",
"Retailer Order: 6.0\n",
"Retailer Effective Inventory: 6.0\n",
"Wholesaler Cost: 203.5\n",
"Wholesaler Order: 0.0\n",
"Wholesaler Effective Inventory: 29.0\n",
"Distributor Cost: 231.5\n",
"Distributor Order: 0.0\n",
"Distributor Effective Inventory: 42\n",
"Factory Cost: 179.5\n",
"Factory Order: 0.0\n",
"Factory Effective Inventory: 16\n",
"\n",
" -------------------------------------------------\n",
" Week 11\n",
"-------------------------------------------------\n",
"Retailer Cost: 176.0\n",
"Retailer Order: 13.5\n",
"Retailer Effective Inventory: -3.0\n",
"Wholesaler Cost: 215.0\n",
"Wholesaler Order: 0.0\n",
"Wholesaler Effective Inventory: 23.0\n",
"Distributor Cost: 252.5\n",
"Distributor Order: 0.0\n",
"Distributor Effective Inventory: 42\n",
"Factory Cost: 187.5\n",
"Factory Order: 0.0\n",
"Factory Effective Inventory: 16\n",
"\n",
" -------------------------------------------------\n",
" Week 12\n",
"-------------------------------------------------\n",
"Retailer Cost: 188.0\n",
"Retailer Order: 18.0\n",
"Retailer Effective Inventory: -12.0\n",
"Wholesaler Cost: 219.75\n",
"Wholesaler Order: 2.5\n",
"Wholesaler Effective Inventory: 9.5\n",
"Distributor Cost: 273.5\n",
"Distributor Order: 0.0\n",
"Distributor Effective Inventory: 42\n",
"Factory Cost: 195.5\n",
"Factory Order: 0.0\n",
"Factory Effective Inventory: 16\n",
"\n",
" -------------------------------------------------\n",
" Week 13\n",
"-------------------------------------------------\n",
"Retailer Cost: 203.0\n",
"Retailer Order: 19.5\n",
"Retailer Effective Inventory: -15.0\n",
"Wholesaler Cost: 228.25\n",
"Wholesaler Order: 16.25\n",
"Wholesaler Effective Inventory: -8.5\n",
"Distributor Cost: 293.25\n",
"Distributor Order: 0.0\n",
"Distributor Effective Inventory: 39.5\n",
"Factory Cost: 203.5\n",
"Factory Order: 0.0\n",
"Factory Effective Inventory: 16\n",
"\n",
" -------------------------------------------------\n",
" Week 14\n",
"-------------------------------------------------\n",
"Retailer Cost: 213.5\n",
"Retailer Order: 17.25\n",
"Retailer Effective Inventory: -10.5\n",
"Wholesaler Cost: 256.25\n",
"Wholesaler Order: 26.0\n",
"Wholesaler Effective Inventory: -28.0\n",
"Distributor Cost: 304.875\n",
"Distributor Order: 0.0\n",
"Distributor Effective Inventory: 23.25\n",
"Factory Cost: 211.5\n",
"Factory Order: 0.0\n",
"Factory Effective Inventory: 16\n",
"\n",
" -------------------------------------------------\n",
" Week 15\n",
"-------------------------------------------------\n",
"Retailer Cost: 223.5\n",
"Retailer Order: 17.0\n",
"Retailer Effective Inventory: -10.0\n",
"Wholesaler Cost: 299.0\n",
"Wholesaler Order: 33.375\n",
"Wholesaler Effective Inventory: -42.75\n",
"Distributor Cost: 307.625\n",
"Distributor Order: 13.375\n",
"Distributor Effective Inventory: -2.75\n",
"Factory Cost: 219.5\n",
"Factory Order: 0.0\n",
"Factory Effective Inventory: 16\n",
"\n",
" -------------------------------------------------\n",
" Week 16\n",
"-------------------------------------------------\n",
"Retailer Cost: 242.5\n",
"Retailer Order: 21.5\n",
"Retailer Effective Inventory: -19.0\n",
"Wholesaler Cost: 342.5\n",
"Wholesaler Order: 33.75\n",
"Wholesaler Effective Inventory: -43.5\n",
"Distributor Cost: 343.75\n",
"Distributor Order: 30.0625\n",
"Distributor Effective Inventory: -36.125\n",
"Factory Cost: 220.8125\n",
"Factory Order: 9.375\n",
"Factory Effective Inventory: 2.625\n",
"\n",
" -------------------------------------------------\n",
" Week 17\n",
"-------------------------------------------------\n",
"Retailer Cost: 268.0\n",
"Retailer Order: 24.75\n",
"Retailer Effective Inventory: -25.5\n",
"Wholesaler Cost: 384.25\n",
"Wholesaler Order: 32.875\n",
"Wholesaler Effective Inventory: -41.75\n",
"Distributor Cost: 413.625\n",
"Distributor Order: 46.9375\n",
"Distributor Effective Inventory: -69.875\n",
"Factory Cost: 248.25\n",
"Factory Order: 25.71875\n",
"Factory Effective Inventory: -27.4375\n",
"\n",
" -------------------------------------------------\n",
" Week 18\n",
"-------------------------------------------------\n",
"Retailer Cost: 286.25\n",
"Retailer Order: 21.125\n",
"Retailer Effective Inventory: -18.25\n",
"Wholesaler Cost: 450.75\n",
"Wholesaler Order: 45.25\n",
"Wholesaler Effective Inventory: -66.5\n",
"Distributor Cost: 503.0\n",
"Distributor Order: 56.6875\n",
"Distributor Effective Inventory: -89.375\n",
"Factory Cost: 313.25\n",
"Factory Order: 44.5\n",
"Factory Effective Inventory: -65.0\n",
"\n",
" -------------------------------------------------\n",
" Week 19\n",
"-------------------------------------------------\n",
"Retailer Cost: 290.25\n",
"Retailer Order: 14.0\n",
"Retailer Effective Inventory: -4.0\n",
"Wholesaler Cost: 538.375\n",
"Wholesaler Order: 55.8125\n",
"Wholesaler Effective Inventory: -87.625\n",
"Distributor Cost: 635.0\n",
"Distributor Order: 78.0\n",
"Distributor Effective Inventory: -132.0\n",
"Factory Cost: 409.21875\n",
"Factory Order: 59.984375\n",
"Factory Effective Inventory: -95.96875\n",
"\n",
" -------------------------------------------------\n",
" Week 20\n",
"-------------------------------------------------\n",
"Retailer Cost: 303.25\n",
"Retailer Order: 18.5\n",
"Retailer Effective Inventory: -13.0\n",
"Wholesaler Cost: 626.625\n",
"Wholesaler Order: 56.125\n",
"Wholesaler Effective Inventory: -88.25\n",
"Distributor Cost: 813.4375\n",
"Distributor Order: 101.21875\n",
"Distributor Effective Inventory: -178.4375\n",
"Factory Cost: 538.6875\n",
"Factory Order: 76.734375\n",
"Factory Effective Inventory: -129.46875\n",
"\n",
" -------------------------------------------------\n",
" Week 21\n",
"-------------------------------------------------\n",
"Retailer Cost: 325.25\n",
"Retailer Order: 23.0\n",
"Retailer Effective Inventory: -22.0\n",
"Wholesaler Cost: 730.75\n",
"Wholesaler Order: 64.0625\n",
"Wholesaler Effective Inventory: -104.125\n",
"Distributor Cost: 1022.28125\n",
"Distributor Order: 116.421875\n",
"Distributor Effective Inventory: -208.84375\n",
"Factory Cost: 709.390625\n",
"Factory Order: 97.3515625\n",
"Factory Effective Inventory: -170.703125\n",
"\n",
" -------------------------------------------------\n",
" Week 22\n",
"-------------------------------------------------\n",
"Retailer Cost: 342.875\n",
"Retailer Order: 20.8125\n",
"Retailer Effective Inventory: -17.625\n",
"Wholesaler Cost: 848.5\n",
"Wholesaler Order: 70.875\n",
"Wholesaler Effective Inventory: -117.75\n",
"Distributor Cost: 1250.6875\n",
"Distributor Order: 126.203125\n",
"Distributor Effective Inventory: -228.40625\n",
"Factory Cost: 919.78125\n",
"Factory Order: 117.1953125\n",
"Factory Effective Inventory: -210.390625\n",
"\n",
" -------------------------------------------------\n",
" Week 23\n",
"-------------------------------------------------\n",
"Retailer Cost: 366.875\n",
"Retailer Order: 24.0\n",
"Retailer Effective Inventory: -24.0\n",
"Wholesaler Cost: 961.34375\n",
"Wholesaler Order: 68.421875\n",
"Wholesaler Effective Inventory: -112.84375\n",
"Distributor Cost: 1489.984375\n",
"Distributor Order: 131.6484375\n",
"Distributor Effective Inventory: -239.296875\n",
"Factory Cost: 1159.0234375\n",
"Factory Order: 131.62109375\n",
"Factory Effective Inventory: -239.2421875\n",
"\n",
" -------------------------------------------------\n",
" Week 24\n",
"-------------------------------------------------\n",
"Retailer Cost: 390.5\n",
"Retailer Order: 23.8125\n",
"Retailer Effective Inventory: -23.625\n",
"Wholesaler Cost: 1053.6875\n",
"Wholesaler Order: 58.171875\n",
"Wholesaler Effective Inventory: -92.34375\n",
"Distributor Cost: 1720.96875\n",
"Distributor Order: 127.4921875\n",
"Distributor Effective Inventory: -230.984375\n",
"Factory Cost: 1412.71875\n",
"Factory Order: 138.84765625\n",
"Factory Effective Inventory: -253.6953125\n",
"\n",
" -------------------------------------------------\n",
" Week 25\n",
"-------------------------------------------------\n",
"Retailer Cost: 397.40625\n",
"Retailer Order: 15.453125\n",
"Retailer Effective Inventory: -6.90625\n",
"Wholesaler Cost: 1109.859375\n",
"Wholesaler Order: 40.0859375\n",
"Wholesaler Effective Inventory: -56.171875\n",
"Distributor Cost: 1912.7734375\n",
"Distributor Order: 107.90234375\n",
"Distributor Effective Inventory: -191.8046875\n",
"Factory Cost: 1662.28515625\n",
"Factory Order: 136.783203125\n",
"Factory Effective Inventory: -249.56640625\n",
"\n",
" -------------------------------------------------\n",
" Week 26\n",
"-------------------------------------------------\n",
"Retailer Cost: 411.703125\n",
"Retailer Order: 0.0\n",
"Retailer Effective Inventory: 28.59375\n",
"Wholesaler Cost: 1112.4140625\n",
"Wholesaler Order: 6.890625\n",
"Wholesaler Effective Inventory: 5.109375\n",
"Distributor Cost: 2027.46875\n",
"Distributor Order: 69.34765625\n",
"Distributor Effective Inventory: -114.6953125\n",
"Factory Cost: 1880.90625\n",
"Factory Order: 121.310546875\n",
"Factory Effective Inventory: -218.62109375\n",
"\n",
" -------------------------------------------------\n",
" Week 27\n",
"-------------------------------------------------\n",
"Retailer Cost: 451.4921875\n",
"Retailer Order: 0.0\n",
"Retailer Effective Inventory: 79.578125\n",
"Wholesaler Cost: 1163.64453125\n",
"Wholesaler Order: 0.0\n",
"Wholesaler Effective Inventory: 102.4609375\n",
"Distributor Cost: 2032.486328125\n",
"Distributor Order: 1.96484375\n",
"Distributor Effective Inventory: 10.03515625\n",
"Factory Cost: 2032.091796875\n",
"Factory Order: 87.5927734375\n",
"Factory Effective Inventory: -151.185546875\n",
"\n",
" -------------------------------------------------\n",
" Week 28\n",
"-------------------------------------------------\n",
"Retailer Cost: 522.59375\n",
"Retailer Order: 0.0\n",
"Retailer Effective Inventory: 142.203125\n",
"Wholesaler Cost: 1273.47265625\n",
"Wholesaler Order: 0.0\n",
"Wholesaler Effective Inventory: 219.65625\n",
"Distributor Cost: 2106.927734375\n",
"Distributor Order: 0.0\n",
"Distributor Effective Inventory: 148.8828125\n",
"Factory Cost: 2063.931640625\n",
"Factory Order: 27.919921875\n",
"Factory Effective Inventory: -31.83984375\n",
"\n",
" -------------------------------------------------\n",
" Week 29\n",
"-------------------------------------------------\n",
"Retailer Cost: 589.1953125\n",
"Retailer Order: 0.0\n",
"Retailer Effective Inventory: 133.203125\n",
"Wholesaler Cost: 1444.09375\n",
"Wholesaler Order: 0.0\n",
"Wholesaler Effective Inventory: 341.2421875\n",
"Distributor Cost: 2249.7607421875\n",
"Distributor Order: 0.0\n",
"Distributor Effective Inventory: 285.666015625\n",
"Factory Cost: 2091.80810546875\n",
"Factory Order: 0.0\n",
"Factory Effective Inventory: 55.7529296875\n",
"\n",
" -------------------------------------------------\n",
" Week 30\n",
"-------------------------------------------------\n",
"Retailer Cost: 651.296875\n",
"Retailer Order: 0.0\n",
"Retailer Effective Inventory: 124.203125\n",
"Wholesaler Cost: 1614.71484375\n",
"Wholesaler Order: 0.0\n",
"Wholesaler Effective Inventory: 341.2421875\n",
"Distributor Cost: 2453.2490234375\n",
"Distributor Order: 0.0\n",
"Distributor Effective Inventory: 406.9765625\n",
"Factory Cost: 2133.64453125\n",
"Factory Order: 0.0\n",
"Factory Effective Inventory: 83.6728515625\n",
"\n",
" -------------------------------------------------\n",
" Week 31\n",
"-------------------------------------------------\n",
"Retailer Cost: 708.8984375\n",
"Retailer Order: 0.0\n",
"Retailer Effective Inventory: 115.203125\n",
"Wholesaler Cost: 1785.3359375\n",
"Wholesaler Order: 0.0\n",
"Wholesaler Effective Inventory: 341.2421875\n",
"Distributor Cost: 2672.6572265625\n",
"Distributor Order: 0.0\n",
"Distributor Effective Inventory: 438.81640625\n",
"Factory Cost: 2175.48095703125\n",
"Factory Order: 0.0\n",
"Factory Effective Inventory: 83.6728515625\n",
"\n",
" -------------------------------------------------\n",
" Week 32\n",
"-------------------------------------------------\n",
"Retailer Cost: 762.0\n",
"Retailer Order: 0.0\n",
"Retailer Effective Inventory: 106.203125\n",
"Wholesaler Cost: 1955.95703125\n",
"Wholesaler Order: 0.0\n",
"Wholesaler Effective Inventory: 341.2421875\n",
"Distributor Cost: 2892.0654296875\n",
"Distributor Order: 0.0\n",
"Distributor Effective Inventory: 438.81640625\n",
"Factory Cost: 2217.3173828125\n",
"Factory Order: 0.0\n",
"Factory Effective Inventory: 83.6728515625\n",
"\n",
" -------------------------------------------------\n",
" Week 33\n",
"-------------------------------------------------\n",
"Retailer Cost: 810.6015625\n",
"Retailer Order: 0.0\n",
"Retailer Effective Inventory: 97.203125\n",
"Wholesaler Cost: 2126.578125\n",
"Wholesaler Order: 0.0\n",
"Wholesaler Effective Inventory: 341.2421875\n",
"Distributor Cost: 3111.4736328125\n",
"Distributor Order: 0.0\n",
"Distributor Effective Inventory: 438.81640625\n",
"Factory Cost: 2259.15380859375\n",
"Factory Order: 0.0\n",
"Factory Effective Inventory: 83.6728515625\n",
"\n",
" -------------------------------------------------\n",
" Week 34\n",
"-------------------------------------------------\n",
"Retailer Cost: 854.703125\n",
"Retailer Order: 0.0\n",
"Retailer Effective Inventory: 88.203125\n",
"Wholesaler Cost: 2297.19921875\n",
"Wholesaler Order: 0.0\n",
"Wholesaler Effective Inventory: 341.2421875\n",
"Distributor Cost: 3330.8818359375\n",
"Distributor Order: 0.0\n",
"Distributor Effective Inventory: 438.81640625\n",
"Factory Cost: 2300.990234375\n",
"Factory Order: 0.0\n",
"Factory Effective Inventory: 83.6728515625\n",
"\n",
" -------------------------------------------------\n",
" Week 35\n",
"-------------------------------------------------\n",
"Retailer Cost: 894.3046875\n",
"Retailer Order: 0.0\n",
"Retailer Effective Inventory: 79.203125\n",
"Wholesaler Cost: 2467.8203125\n",
"Wholesaler Order: 0.0\n",
"Wholesaler Effective Inventory: 341.2421875\n",
"Distributor Cost: 3550.2900390625\n",
"Distributor Order: 0.0\n",
"Distributor Effective Inventory: 438.81640625\n",
"Factory Cost: 2342.82666015625\n",
"Factory Order: 0.0\n",
"Factory Effective Inventory: 83.6728515625\n",
"\n",
" -------------------------------------------------\n",
" Week 36\n",
"-------------------------------------------------\n",
"Retailer Cost: 929.40625\n",
"Retailer Order: 0.0\n",
"Retailer Effective Inventory: 70.203125\n",
"Wholesaler Cost: 2638.44140625\n",
"Wholesaler Order: 0.0\n",
"Wholesaler Effective Inventory: 341.2421875\n",
"Distributor Cost: 3769.6982421875\n",
"Distributor Order: 0.0\n",
"Distributor Effective Inventory: 438.81640625\n",
"Factory Cost: 2384.6630859375\n",
"Factory Order: 0.0\n",
"Factory Effective Inventory: 83.6728515625\n",
"\n",
" -------------------------------------------------\n",
" Week 37\n",
"-------------------------------------------------\n",
"Retailer Cost: 960.0078125\n",
"Retailer Order: 0.0\n",
"Retailer Effective Inventory: 61.203125\n",
"Wholesaler Cost: 2809.0625\n",
"Wholesaler Order: 0.0\n",
"Wholesaler Effective Inventory: 341.2421875\n",
"Distributor Cost: 3989.1064453125\n",
"Distributor Order: 0.0\n",
"Distributor Effective Inventory: 438.81640625\n",
"Factory Cost: 2426.49951171875\n",
"Factory Order: 0.0\n",
"Factory Effective Inventory: 83.6728515625\n",
"\n",
" -------------------------------------------------\n",
" Week 38\n",
"-------------------------------------------------\n",
"Retailer Cost: 986.109375\n",
"Retailer Order: 0.0\n",
"Retailer Effective Inventory: 52.203125\n",
"Wholesaler Cost: 2979.68359375\n",
"Wholesaler Order: 0.0\n",
"Wholesaler Effective Inventory: 341.2421875\n",
"Distributor Cost: 4208.5146484375\n",
"Distributor Order: 0.0\n",
"Distributor Effective Inventory: 438.81640625\n",
"Factory Cost: 2468.3359375\n",
"Factory Order: 0.0\n",
"Factory Effective Inventory: 83.6728515625\n",
"\n",
" -------------------------------------------------\n",
" Week 39\n",
"-------------------------------------------------\n",
"Retailer Cost: 1007.7109375\n",
"Retailer Order: 0.0\n",
"Retailer Effective Inventory: 43.203125\n",
"Wholesaler Cost: 3150.3046875\n",
"Wholesaler Order: 0.0\n",
"Wholesaler Effective Inventory: 341.2421875\n",
"Distributor Cost: 4427.9228515625\n",
"Distributor Order: 0.0\n",
"Distributor Effective Inventory: 438.81640625\n",
"Factory Cost: 2510.17236328125\n",
"Factory Order: 0.0\n",
"Factory Effective Inventory: 83.6728515625\n",
"\n",
" -------------------------------------------------\n",
" Week 40\n",
"-------------------------------------------------\n",
"Retailer Cost: 1024.8125\n",
"Retailer Order: 0.0\n",
"Retailer Effective Inventory: 34.203125\n",
"Wholesaler Cost: 3320.92578125\n",
"Wholesaler Order: 0.0\n",
"Wholesaler Effective Inventory: 341.2421875\n",
"Distributor Cost: 4647.3310546875\n",
"Distributor Order: 0.0\n",
"Distributor Effective Inventory: 438.81640625\n",
"Factory Cost: 2552.0087890625\n",
"Factory Order: 0.0\n",
"Factory Effective Inventory: 83.6728515625\n",
"\n",
"--- Final Statistics ----\n",
"Beer received by customer: 365.0\n"
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"# Initialize queues between each actor in the supply chain\n",
"# Top and bottom queues simulate order (top) and delivery (bottom) flows between actors\n",
"wholesalerRetailerTopQueue = SupplyChainQueue(QUEUE_DELAY_WEEKS)\n",
"wholesalerRetailerBottomQueue = SupplyChainQueue(QUEUE_DELAY_WEEKS)\n",
"\n",
"distributorWholesalerTopQueue = SupplyChainQueue(QUEUE_DELAY_WEEKS)\n",
"distributorWholesalerBottomQueue = SupplyChainQueue(QUEUE_DELAY_WEEKS)\n",
"\n",
"factoryDistributorTopQueue = SupplyChainQueue(QUEUE_DELAY_WEEKS)\n",
"factoryDistributorBottomQueue = SupplyChainQueue(QUEUE_DELAY_WEEKS)\n",
"\n",
"# Populate queues with initial orders to stabilize early weeks of the game\n",
"# Each actor's order and delivery queues are initialized with CUSTOMER_INITIAL_ORDERS\n",
"for i in range(0, 2):\n",
" wholesalerRetailerTopQueue.PushEnvelope(CUSTOMER_INITIAL_ORDERS)\n",
" wholesalerRetailerBottomQueue.PushEnvelope(CUSTOMER_INITIAL_ORDERS)\n",
" distributorWholesalerTopQueue.PushEnvelope(CUSTOMER_INITIAL_ORDERS)\n",
" distributorWholesalerBottomQueue.PushEnvelope(CUSTOMER_INITIAL_ORDERS)\n",
" factoryDistributorTopQueue.PushEnvelope(CUSTOMER_INITIAL_ORDERS)\n",
" factoryDistributorBottomQueue.PushEnvelope(CUSTOMER_INITIAL_ORDERS)\n",
"\n",
"# Instantiate the customer\n",
"theCustomer = Customer()\n",
"\n",
"# Create Retailer, connected to the customer and wholesaler via queues\n",
"myRetailer = Retailer(None, wholesalerRetailerTopQueue, wholesalerRetailerBottomQueue, None, theCustomer)\n",
"\n",
"# Create Wholesaler, connected to the retailer and distributor via queues\n",
"myWholesaler = Wholesaler(wholesalerRetailerTopQueue, distributorWholesalerTopQueue,\n",
" distributorWholesalerBottomQueue, wholesalerRetailerBottomQueue)\n",
"\n",
"# Create Distributor, connected to the wholesaler and factory via queues\n",
"myDistributor = Distributor(distributorWholesalerTopQueue, factoryDistributorTopQueue,\n",
" factoryDistributorBottomQueue, distributorWholesalerBottomQueue)\n",
"\n",
"# Create Factory, connected to the distributor via queues, with a production delay\n",
"myFactory = Factory(factoryDistributorTopQueue, None, None, factoryDistributorBottomQueue, QUEUE_DELAY_WEEKS)\n",
"\n",
"# Initialize an object to track and record statistics across the simulation\n",
"myStats = SupplyChainStatistics()\n",
"\n",
"# Simulation loop: Iterate over each week\n",
"for thisWeek in range(0, WEEKS_TO_PLAY):\n",
"\n",
" print(\"\\n\", \"-\" * 49)\n",
" print(f\" Week {thisWeek}\") # Print current week number\n",
" print(\"-\" * 49)\n",
"\n",
" # Retailer's turn: process orders, calculate costs, and update inventory and statistics\n",
" myRetailer.TakeTurn(thisWeek)\n",
" myStats.RecordRetailerCost(myRetailer.GetCostIncurred())\n",
" myStats.RecordRetailerOrders(myRetailer.GetLastOrderQuantity())\n",
" myStats.RecordRetailerEffectiveInventory(myRetailer.CalcEffectiveInventory())\n",
"\n",
" # Wholesaler's turn: process orders, calculate costs, and update inventory and statistics\n",
" myWholesaler.TakeTurn(thisWeek)\n",
" myStats.RecordWholesalerCost(myWholesaler.GetCostIncurred())\n",
" myStats.RecordWholesalerOrders(myWholesaler.GetLastOrderQuantity())\n",
" myStats.RecordWholesalerEffectiveInventory(myWholesaler.CalcEffectiveInventory())\n",
"\n",
" # Distributor's turn: process orders, calculate costs, and update inventory and statistics\n",
" myDistributor.TakeTurn(thisWeek)\n",
" myStats.RecordDistributorCost(myDistributor.GetCostIncurred())\n",
" myStats.RecordDistributorOrders(myDistributor.GetLastOrderQuantity())\n",
" myStats.RecordDistributorEffectiveInventory(myDistributor.CalcEffectiveInventory())\n",
"\n",
" # Factory's turn: process orders, produce beer, calculate costs, and update statistics\n",
" myFactory.TakeTurn(thisWeek)\n",
" myStats.RecordFactoryCost(myFactory.GetCostIncurred())\n",
" myStats.RecordFactoryOrders(myFactory.GetLastOrderQuantity())\n",
" myStats.RecordFactoryEffectiveInventory(myFactory.CalcEffectiveInventory())\n",
"\n",
"# Output final results after simulation\n",
"print(\"\\n--- Final Statistics ----\")\n",
"print(\"Beer received by customer: {0}\".format(theCustomer.GetBeerReceived()))\n",
"\n",
"# Plot time-series data for orders, inventory, and costs over the weeks of simulation\n",
"myStats.PlotOrders()\n",
"myStats.PlotEffectiveInventory()\n",
"myStats.PlotCosts()"
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