comet-fenics issues
https://gitlab.enpc.fr/jeremy.bleyer/comet-fenics/-/issues
2021-07-13T11:50:06Z
https://gitlab.enpc.fr/jeremy.bleyer/comet-fenics/-/issues/4
Tips and tricks
2021-07-13T11:50:06Z
Jeremy BLEYER
Tips and tricks
- PETSc to scipy matrix
- form lhs and rhs
- dofmap, location
- "Real" function spaces
- project Quadrature functions
- project Lagrange Trace functions
- write DG1 for Paraview viz
- mesh adaptation
- PETSc to scipy matrix
- form lhs and rhs
- dofmap, location
- "Real" function spaces
- project Quadrature functions
- project Lagrange Trace functions
- write DG1 for Paraview viz
- mesh adaptation
https://gitlab.enpc.fr/jeremy.bleyer/comet-fenics/-/issues/2
Workflow
2019-01-10T16:39:09Z
Jeremy BLEYER
Workflow
Gmsh -> dolfin-convert for standard triangle/tetra mesh
Use Gmsh -> meshio -> xdmf for quads
Specify facets marking
Gmsh -> dolfin-convert for standard triangle/tetra mesh
Use Gmsh -> meshio -> xdmf for quads
Specify facets marking
https://gitlab.enpc.fr/jeremy.bleyer/comet-fenics/-/issues/1
List of topics
2022-03-17T07:46:59Z
Jeremy BLEYER
List of topics
# Introduction
Workflow : geometry with Gmsh, dolfin-convert, export Paraview
# Linear problems
## Elastostatics :
### standard continuous galerkin
- [x] 2D plane stress/strain
- [x] orthotropic
- [x] axisymmetric
### Mixed methods
...
# Introduction
Workflow : geometry with Gmsh, dolfin-convert, export Paraview
# Linear problems
## Elastostatics :
### standard continuous galerkin
- [x] 2D plane stress/strain
- [x] orthotropic
- [x] axisymmetric
### Mixed methods
Approach of https://doi.org/10.1016/j.cma.2020.113381
### discontinous galerkin : volumetric locking
### mixed formulation using Hu-Washizu : volumetric locking
### Problems with initial stresses : thermoelasticity
## Elastodynamics
- [x] modal analysis
- [x] time integration Newmark scheme, theta (lumped mass matrix, efficient solving)
## Poroelasticity
## Mixing continuum and interfaces
- [ ] elastic interfaces/supports (beam on elastic foundation)
## Linear Fracture Mechanics
- [ ] G-theta method to compute J-integral and stress intensity factors
## Homogenization in elasticity
(treatment of rigid particles with Lagrange multipliers)
## Linear Buckling
## Cosserat
## Strain gradient
# Nonlinear problems
## Hyperelasticity :
- [ ] compressible neo-hookean
- [ ] incompressible neo-hookean
## Viscoelasticity
- [x] Maxwell model
- [x] Kelvin-Voigt model
## Elasto-plasticity
- [x] radial return for von Mises 2D
- [ ] 3D with locking
- [ ] limit analysis
## Viscoplasticity
- [ ] yield stress fluids
## Nonlinear problems with MFront
- [ ] elastoplastic plates with plane stress behaviour and/or additional dof
- [ ] implementation of Marc François concrete plasticity criterion
## Contact
- [ ] resolution of normal contact with TAO
- [ ] contact with AL and penalization: membrane with rigid indenter
- [ ] impact dynamics of rigid indenter
- [ ] contact with multimesh between deformable bodies (Nitsche's method)
## Damage
- [ ] phase field approach
- [ ] damage with viscous regularization
## Von-Karman plates
# Beams and Plates
## Membrane
## Shells
Robust flat-facet triangular shell finite element https://doi.org/10.1002/nme.6944
## Love-Kirchhoff plates with DG
## Reissner-Mindlin plates
- [x] quads
- [x] DG
## Higher-order plate models (warping, Bending-Gradient)
# Misc
## Topology Optimization (undocumented example)
## Linear Matching Method
# Tips and Tricks