*HEADING This is a test of angular acceleration loading for M3D3 elements. *NODE,NSET=ALL 1,9.,-1 2,11.,-1 3,9.,1. 4,10.,-1. 5,10.,0. 6,9.,0. 7,11.,1. 8,11.,0. 9,10.,1. *ELEMENT,TYPE=M3D3,ELSET=EALL 1,1,2,3 2,2,7,3 *MEMBRANE SECTION,MATERIAL=STEEL,ELSET=EALL 1., *MATERIAL,NAME=STEEL *ELASTIC 30.E6,.33 *DENSITY 2000., *BOUNDARY ALL,1,3 *STEP *STATIC *DLOAD EALL,ROTA,10.,0.,0.,0.,0,0,1 *NODE PRINT,TOTALS=YES RF, *EL PRINT EVOL, *OUTPUT,FIELD *NODE OUTPUT RF, *OUTPUT,FIELD,FREQ=0 *ELEMENT OUTPUT *END STEP