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Ami2D - 2D finite element analysis for the Amiga
Copyright © 1992,1993 by Russell Leighton
date: July 16, 1993
version: 1.0
Abstract
Ami2D forms the core of a collection of codes developed to perform
various analyses on structures using the finite element technique.
Specifically, Ami2D is a pre/post-processor used to create two dimensional
finite element models and to interpret the results from subsequent
solutions. It was developed to handle both "plane" and axisymmetric two
dimensional finite element analysis problems. It is a fairly general
capability in the sense that a wide variety of two dimensional problems can
be modeled by Ami2D. Other codes are included to provide a fairly complete
analysis capability. These codes include the solvers (Lin2D and Nln2D), a
node equivilence code (Equ2D), a node order optimizer (Opt2D), and a couple
of ancillary codes (Rexxcon and Rexxbar). Of course, the user is free to
utilize other utility codes to enhance the operation and functionality of
this collection.
The main features of the Ami2D collection are as follows:
* may be run in the background or interactively
* two-dimensional plane or axisymmetric problems
* cartesian or polar coordinate systems
* uses `ARexx' macro language
* linear and quadratic isoparametric elements available
* no limit on number of nodes, elements, materials, or boundary
conditions (only limited by memory)
* no need to specify problem size (determined at run time)
* choice of Dirchlet (constraint) or Neumann (flux), point or
distributed boundary conditions
* graphical interface for pre/post-processor
* definable post-processing functions
* command aliases for customized uses
* linear and nonlinear (geometric) solvers provided
* solvers use a symmetric banded matrix storage format
* solvers can handle coupled analyses
* node order optimizer for bandwidth reduction
* node equivilence code for part "welding"
* ancillary codes provided for integrated, interactive environment