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Results tagged with solid-mechanics
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user 33756
Studies the behavior of solid materials, and deformation under the action of forces
0
votes
2
answers
93
views
Uniaxial stretching solution not uniform in FEM code
I am trapped here for a long time. I wrote a toy Matlab FEM code. I want to run the follow simulation.
Mesh
Suppose we have a cube, and we divide it into subcube along $x,y,z$ axis, then each subcube …
- 323
4
votes
1
answer
112
views
Why the solid FEM problem can not be solved after constraining 3 degrees of freedom?
I write a simple MATLAB code for solving solid FEM problem.
The problem looks like that
(1) (2)
x-------x
| / |
| / |
| / |
x-------x
(3) (4)
Each node has two degrees of free …
- 323
1
vote
3
answers
597
views
How to determine global stiffness matrix is constrained or not
Background
In solid fem, we often solve $$\mathbf{Ku}=\mathbf{p}$$
where $\mathbf{K}$ is global stiffness matrix, $\mathbf{u}$ is displacement, $\mathbf{p}$ is global load vector.
If displacement not …
- 323