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Element_Library > Shell_Elements > shapeDKT

shapeDKT

Purpose

shape functions for 6-dof 3-node discrete Kirchhoff triangle

Synopsis

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

Description

SHAPEDKT shape functions for 6-dof 3-node discrete Kirchhoff triangle
  [N,dNdx,J] = SHAPEDKT (XI,XYZ) shape functions for 6-dof 3-node discrete Kirchhoff triangle

  Input Parameters
  ----------------
  nat  = [ xi(1:3 ] natural 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:

This function is called by:
  • 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
  • LEDKT discrete Kirchhoff 3-node triangle for plate bending with linear elastic material