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Results tagged with solid-mechanics
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user 24915
Studies the behavior of solid materials, and deformation under the action of forces
5
votes
Accepted
Why FEM for incompressible materials is ill-posed?
For incompressible materials, as the extent of incompressibility increases, the bulk modulus approaches infinity (for the isotropic case). This is what causes ill-conditioning.
Consider the case of li …
- 964
6
votes
Accepted
Finite Element Modelling of Hyperelastic Material under 2D Plane Strain Conditions
The plane-stress model is physically more meaningful for modelling thin structures. This is the reason for its popularity. It's rare to encounter problems with hyperelastic material models where the p …
- 964
1
vote
FEM with elastic inhomogeneous properties leads to mesh-induced anisotropy
I believe that the issue you are facing emanates from the type of triangular mesh you are using. This particular discretisation has in-built anisotropy; note the alignment of all of the longest edges …
- 964