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Hi everyone. I am new to finite element. So, sorry if my question is trivial. I want to implement the problem in MATLAB.
I have a meshed design domain consisting of elements that each contain two distinct materials: material A and material B. I want to calculate a specific property of material A for each element, denoted as element i.
This property is related to the stiffness of material A within that element (K_Ai) and is also related to the nodal displacement of the element (U_i). I can easily calculate K_Ai. But for U_i, is it correct to consider K=K_A+K_B (where K, K_A,and K_B represent the global stiffness matrices) and subsequently calculate U_i from U using the equation F=KU? I mean is it correct to consider both materials A and B to determine U_i?
It should be noted that there is no rule governing the distribution of these two materials within the same element and their distribution patterns differ across various elements.
I would be grateful if anyone could help me.
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