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fekinesb.m
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fekinesb.m
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function [kinmtsb]=fekinesb(nnel,dhdx,dhdy)
%--------------------------------------------------------------------------
% Purpose:
% determine the kinematic matrix expression relating bending curvatures
% to rotations and displacements for shear deformable plate bending
%
% Synopsis:
% [kinmtsb]=fekinesb(nnel,dhdx,dhdy)
%
% Variable Description:
% nnel - number of nodes per element
% dhdx - derivatives of shape functions with respect to x
% dhdy - derivatives of shape functions with respect to y
%--------------------------------------------------------------------------
for i=1:nnel
i1=(i-1)*6+1;
i2=i1+1;
i3=i2+1;
i4=i3+1;
i5=i4+1;
i6=i5+1;
kinmtsb(1,i5)=dhdx(i);
kinmtsb(2,i4)=-dhdy(i);
kinmtsb(3,i5)=dhdy(i);
kinmtsb(3,i4)=-dhdx(i);
kinmtsb(3,i6)=0;
end