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FEniCSx 教程

引言

项目概览
项目日志

基本使用

Poisson方程
- Implementation
复数值Poisson方程
Weak imposition of Dirichlet conditions for the Poisson problem
Deflection of a membrane
- Implementation
- Using Paraview for visualization

有限元求解器概览

A Gallery of finite element solvers
The heat equation
- Diffusion of a Gaussian function
- A known analytical solution
A nonlinear Poisson equation
- Implementation
The equations of linear elasticity
- Implementation
- Scaling
The Navier-Stokes equations
- Test problem 1: Channel flow (Poiseuille flow)
- Test problem 2: Flow past a cylinder (DFG 2D-3 benchmark)
Hyperelasticity

子区域和边界条件

Combining Dirichlet and Neumann conditions
Setting multiple Dirichlet condition
Defining subdomains for different materials
Setting multiple Dirichlet, Neumann, and Robin conditions
Component-wise Dirichlet BC
Electromagnetics example

代码的改进

Solver configuration
JIT options and visualization using Pandas
Error control: Computing convergence rates
Custom Newton solvers

Repository
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By Jørgen S. Dokken

This webpage is an adaptation of FEniCS 教程 and is distributed under the terms of the Creative Commons Attribution 4.0 International License which permits use, duplication, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.