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Results tagged with solid-mechanics
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user 13205
Studies the behavior of solid materials, and deformation under the action of forces
3
votes
Accepted
Initialize arc length control in Riks' method
It depends on the control which you have, if your control function is linear, for example crack mouth opening control, it will work with zero initial step. For spherical control you need kick-start a …
- 906
2
votes
Accepted
Second Piola-Kirchoff Stress Tensor of Neo-Hookean solid at "zero deformation"
The second Piola Stress for incompressible hyperelastic material is expressed as
\begin{equation}
\mathbf{S}=2 \frac{\partial W(\mathbf{C})}{\partial C}+pJ\mathbf{C}^{-1}=\mathbf{S}^{'}+pJ\mathbf{C}^{ …
- 906
1
vote
Finite Element Analysis for Laminated Plates with Holes or Patches
The strength of the FE method is its ability to represent complex geometries. That way is it preferred method by engineers. Thus representation of holes or other geometrical features is for it natural …
- 906
1
vote
Can we simulate rigid body motion using finite element analysis?
Finite element method is used to change the boundary value problem, with an infinite number of unknowns, into a system of algebraic equations with a finite number of degrees of freedom (DOFs).
For e …
- 906
4
votes
How does one calculate reaction force in FEA?
Once the solution of the problem is known, i.e. you know displacement vector, to calculate reaction/internal forces an integral is evaluated
\begin{equation}
\mathbf{f}^\textrm{int} = \sum_{e=1}^{ …
- 906