GRIDS
TOMS866 / IFISS Domain Geometry and Grid Generation Functions

GRIDS is a directory of MATLAB M-files which can be used to define the geometry of the problem domain, and to generate a grid for that domain, for the problems handled by IFISS.

Author:

• Howard Elman,
  Department of Computer Science,
  University of Maryland,
  College Park, Maryland 20742,
  USA,
  elman@cs.umd.edu
• Alison Ramage,
  Department of Mathematics,
  University of Strathclyde,
  26 Richmond Street,
  Glasgow G1 1XH,
  United Kingdom,
  a.ramage@strath.ac.uk
• David Silvester,
  School of Mathematics,
  University of Manchester,
  Sackville Street,
  Manchester M60 1QD,
  United Kingdom,
  na.silvester@na-net.ornl.gov

Licensing:

The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.

Source Code:

• cavity_domain.m square cavity Q2 grid generator.
• ell_domain.m L-shape domain Q2 grid generator.
• fint.m subdivision function.
• fitint.m computes contraction/expansion ratio.
• forwardstep_domain.m forward step domain Q2 grid generator.
• gridplot.m quadrilateral grid verification.
• longstep_domain.m extended L-shaped domain Q2 grid generator.
• macrogridplot.m quadrilateral macroelement grid verification.
• perturb_grid.m perturbed bilinear element grid generator.
• pipe_domain.m standard square shaped domain Q2 grid generator.
• plate_domain.m slit shaped domain Q2 grid generator.
• q1grid.m bilinear element grid generator.
• q1p0grid.m Q1-P0 element grid generator.
• q1q1grid.m Q1-Q1 element grid generator.
• q2grid.m biquadratic element grid generator.
• q2p1grid.m Q2-P1 element grid generator.
• q2q1grid.m Q2-Q1 element grid generator.
• quad_domain.m quadrilateral domain Q2 grid generator.
• ref_domain.m reference square domain Q2 grid generator.
• shish_grid.m Shishkin grid generator on unit domain.
• square_domain.m square domain Q2 grid generator.
• step_domain.m standard L-shaped domain Q2 grid generator.
• subint.m geometrically stretched subdivision generator.

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