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laws:llien
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LLIEN
Description
Penalty law for shell/solids link element LIEN3
The model
This law is only used for mechanical analysis of shell models, using shell elements linked to solid elements with the link element LIEN3.
Files
Prepro: LLIEN.F
Availability
| Plane stress state | NO |
| Plane strain state | NO |
| Axisymmetric state | NO |
| 3D state | YES |
| Generalized plane state | NO |
Input file
Parameters defining the type of constitutive law
| Line 1 (2I5, 60A1) | |
|---|---|
| IL | Law number |
| ITYPE | = 33 |
| COMMENT | Any comment (up to 60 characters) that will be reproduced on the output listing |
Integer parameters
None
Real parameters
| Line 1 (1G10.0) | |
|---|---|
| RIGK | Penalty coefficient $K$ (link-spring stiffness) |
Stresses
Number of stresses
1
Meaning
| SIG(1) | = Mean elongation of the different springs used in LIEN3 link element |
\[ = \frac{1}{N+1} \sum_{k=0}^N \sqrt{\Delta X_k^2 + \Delta Y_k^2 + \Delta Z_k^2} \]
State variables
Number of state variables
3
List of state variables
| Q(1) | $n_1$ |
| Q(2) | $n_2$ director vector components. |
| Q(3) | $n_3$ |
laws/llien.txt · Last modified: 2020/08/25 15:46 (external edit)
