shapeCST

Purpose

shape functions for 3 node constant strain triangle

Synopsis

[N, dNdx ,J] = shapeCST (xi,xyz)

Description

SHAPECST shape functions for 3 node constant strain triangle
  [N,dNdx,J] = SHAPECST (XI,XYZ) shape functions for 3 node constant strain triangle

  Input Parameters
  ----------------
  xi   = natural (area) coordinates of element
  xyz  = nodal coordinates for element (row i for node i)
  ----------------
  Return Variables
  ----------------
  N    = shape functions in natural coordinates
  dNdx = dNdx(i,j) = derivative of shape function j with respect to geometric coordinate x_i
  J    = Jacobian of transformation from geometric to natural coordinates

Cross-Reference Information

This function calls:

• InelCST constant strain triangle with inelastic material under plane stress/strain
• InelDKT inelastic discrete Kirchhoff triangle for plate bending
• LECMSDKTShell linear elastic 3-node triangle with constant mebrane strain + DK bending
• LECMSDKTShell_wDDOF linear elastic 3-node triangle with constant mebrane strain + DK bending with drill DOF
• LECST constant strain triangle with linear elastic material under plane stress/strain
• LEDKT discrete Kirchhoff 3-node triangle for plate bending with linear elastic material
• LELST linear strain triangle with linear elastic material under plane stress/strain