Material2D
All 2D material models support the following basic output types.
| variable label | physical meaning |
|---|---|
| S11 | \(\sigma_{11}\) |
| S12 | \(\sigma_{12}\) |
| S22 | \(\sigma_{22}\) |
| E11 | \(\varepsilon_{11}\) |
| E12 | \(\varepsilon_{12}\) |
| E22 | \(\varepsilon_{22}\) |
| SP | all principal stress components |
| EP | all principal strain components |
Depending on the specific material model, additional output types may be available.
The history vector is a vector of variadic length that stores the necessary history variables for the material model. Different material models may have different history variable storage layout.