Element control card

1-5 Element type number (NTYPE=3 )


6-10		  Maximum number of the present local node (NEN   ) 

11-15		 Number of stress/strain time histories (NSOUT )


16-20		      Body force load-time function number (LFBODY)


21-25		     Number of integration points (NINT  )


EQ.0, Ignore the element 

26-30		     Mass matrix type code (IMASS )


EQ.0, Consistent mass matrix  

EQ.1, Lumped mass matrix        

EQ.2, No mass matrix              

31-35		      Material model number  (NUMAT ) 

36-40		   Geometric nonlinear flag (NNFLAG) 

EQ.0, Deactivate geometric nonlinearity             

EQ.1, Activate geometric nonlinearity               

41-45		  Element stress/strain output flag (IOUTFL) 

EQ.0, Global stress at the integration points


EQ.1, Global strain at the integration points


EQ.2, Both stress and strain at the integration point


46-50		   Element system number  (ISYSTM) 

51-55 		2-D Elements type flag, ignored if NSD.EQ.3 (ITFLAG)


EQ.0, Plane stress  

EQ.1, Plane Strain  

EQ.2, Axisymmetric 

56-60 		 Stiffness matrix integration rule 

GT.0,   Gauss integration is used for stiffness matrix


LT.0,   Lobbato integration is used for stiffness matrix


61-65		  Mass Matrix integration rule, zero forces the full integration rule             

GT.0,   Gauss integration is used for mass matrix


LT.0,   Lobbato integration is used for mass matrix