Is Fenics the correct choice to handle the following?

1

Hello everybody,

I want to ask if it is possible to do using Fenics:

Starting with a Single Truss problem from point A to B. While point A is fixed an external loading F_x (vector) acts on point B. I want to calculate the strain-stress of the truss while the loading is increasing and after it reached its maximum, decreasing to 0 again. The material behaves elasto-plastic with isotropic hardening.

I have programmed something similiar in python not using fenics. Now I am wondering if it is possible to do it in Fenics.

2

You can use this from COMET. That should help you get started with implementing more general material models later on. As for the mesh, you can either use mshr or import an external mesh that you already have.

3

Thank you :slight_smile: But what I did not found so far is an example of a Truss problem (truss/bar elements). Can you help me with this?