https://www.mystran.com/forums/showthread.php?tid=46&pid=181
CQUAD4 in bending test
bendingtest
https://help.altair.com/hwsolvers/os/topics/solvers/os/cquad4_bulk_r.htm
CQUAD4
Bulk Data Entry Defines a quadrilateral plate element (QUAD4) of the structural model. This element uses a 6 degree-of-freedom per node formulation.