Truss

A toy FEM solver written in C++20.

Features

• [x] Ability to solve 3D problems.
• [x] Multiple elements:
  • [x] Truss
  • [x] Beam
  • [x] Constant Strain/Stress Triangle
  • [x] Quad4
  • [ ] More...
• [x] Multiple materials:
  • [x] Linear elastic
  • [ ] More...

Project Structure

Truss
├──LibTrussDocument: Parser for parsing truss documents.
├──LibTrussSolver: The implementation of the solver.
├──TrussCLI: An executable program for loading truss document files and solving for the result.
└──Tools: Some useful tools.(Input file converter, Post-processing python scripts, etc.)

Dependencies

1. Eigen: Liner algebra library. (vcpkg)
2. magic_enum: Useful library for enum. (vcpkg)
3. Catch2: For unit testing. (vcpkg)
4. backward-cpp: For printing stack trace. (CMake FetchContent)

How to use it?

In progress...

Download and Compilation

...

Examples

Check out the files in the TrussCLI/example_truss directory.

License

MPL-2.0 license.