Penalty law for shell/solids link element LIEN3
This law is only used for mechanical analysis of shell models, using shell elements linked to solid elements with the link element LIEN3.
Prepro: LLIEN.F
| Plane stress state | NO |
| Plane strain state | NO |
| Axisymmetric state | NO |
| 3D state | YES |
| Generalized plane state | NO |
| Line 1 (2I5, 60A1) | |
|---|---|
| IL | Law number |
| ITYPE | = 33 |
| COMMENT | Any comment (up to 60 characters) that will be reproduced on the output listing |
None
| Line 1 (1G10.0) | |
|---|---|
| RIGK | Penalty coefficient $K$ (link-spring stiffness) |
1
| SIG(1) | = Mean elongation of the different springs used in LIEN3 link element |
\[ = \frac{1}{N+1} \sum_{k=0}^N \sqrt{\Delta X_k^2 + \Delta Y_k^2 + \Delta Z_k^2} \]
3
| Q(1) | $n_1$ |
| Q(2) | $n_2$ director vector components. |
| Q(3) | $n_3$ |