Material Property Checks for MAT2
MAT2 only applied to 2D elements.
| Material Requirements | MAT2 | 
|---|---|
| Mathematical | None | 
| Semi-stability | If any eigenvalues of [G]
                                < 0, an error termination will
                                        occur. PARAM,CHECKMAT, NO will disable this error.  | 
                        
| Not all zeros | If all eigenvalues of [G]
                                = 0, an error termination will occur. If any eigenvalue of [G] = 0, a warning is provided.  | 
                        
| Consistency | none | 
| Mathematical for composites | After homogenization, if Det[G] = 0, an error termination will occur. |