Topology Optimization - How the element matrix is constructed from line 86-99.?

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THIS IS THE CODE FOR ELEMENT MATRIX . HOW THE SMALL k i.e. row matrix is constructed. HOW IT IS ONLY DEPEND ONLY ON nu(POISSION RATIO).
function [KE]=lk
E = 1.;
nu = 0.3;
k=[ 1/2-nu/6 1/8+nu/8 -1/4-nu/12 -1/8+3*nu/8 -1/4+nu/12 -1/8-nu/8 nu/6 1/8-3*nu/8]
KE = E/(1-nu^2)*[ k(1) k(2) k(3) k(4) k(5) k(6) k(7) k(8)
k(2) k(1) k(8) k(7) k(6) k(5) k(4) k(3)
k(3) k(8) k(1) k(6) k(7) k(4) k(5) k(2)
k(4) k(7) k(6) k(1) k(8) k(3) k(2) k(5)
k(5) k(6) k(7) k(8) k(1) k(2) k(3) k(4)
k(6) k(5) k(4) k(3) k(2) k(1) k(8) k(7)
k(7) k(4) k(5) k(2) k(3) k(8) k(1) k(6)
k(8) k(3) k(2) k(5) k(4) k(7) k(6) k(1)]
end

Antworten (1)

SaiDileep Kola
SaiDileep Kola am 25 Feb. 2021
I don't get the specific issue you are facing problem with, still it may be solved by going through article attached here.

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