How can I arrange the global stiffness matrix of a 2D finite elements with each square or rectangle made of different materials?

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SAMUEL AYINDE
SAMUEL AYINDE 2017-3-1
回答： Areeb Siraj 2019-3-31
Each of the squares or rectangular elements is made of different materials with different Young's Modulus (see the picture below). I can compute the 8 x 8 stiffness matrix for each of the elements. But I need a MATLAB code I can use to compute the global stiffness matrix and calculate the displacements on each node if I apply force as boundary condition.

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Areeb Siraj
Areeb Siraj 2019-3-31
Can u link your code below. It help in better understanding it.

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