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A Python implementation of the spectral element method

Project Description

Note: This software is in a pre-alpha state.

The main documentation for this package is located at www.sempy.org , but this page offers a minimal set of information to get started using Sempy.

About

Sempy is a numerical software package designed to solve partial differential equations arising from the analysis of fluid flow and heat transfer. It is written in Python and carries the intuitive syntax of this language. Furthermore, computational meshes can be imported from the Gmsh mesh generator, making Sempy flexible towards handling complex geometries.

Getting started

The quickest way to get started using the Sempy package is to install it with easy_install This can be achieved by e.g. typing:

$ easy_install sempy

on the command line. This requires an internet connection to work. Another possibility is to download the latest version as a zip or tar.gz file and then install it with:

$ python setup.py install

It might be necessary to use super user privileges on the above commands. For instance:

$ sudo easy_install sempy

Aslo, it might be necessary to run:

$ sudo easy_install --upgrade sempy

on a regular basis to obtain updated versions.

An example script

Solve the Poisson problem with a simple script:

import sempy

X = sempy.Space( filename = 'square', n = 4, dim = 2 )
A = sempy.operators.Laplacian( X ).matrix

f = sempy.Function( X, basis_coeff = 1.0 )
b = sempy.operators.Mass( X ).action_local( f.basis_coeff )
u = sempy.Function( X, basis_coeff = 0.0 )

[v, flag] = sempy.linsolvers.Krylov().solve( A, b, u.glob() )
u.basis_coeff = X.mapping_q( v )
u.plot()

Release history Release notifications

This version
History Node

0.0.18

Download files

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Filename, size & hash SHA256 hash help File type Python version Upload date
sempy-0.0.18.tar.gz (605.6 kB) Copy SHA256 hash SHA256 Source None Jun 7, 2011

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