Considering element connectivity, for example for element ψ=[ψ1, ψ2]n for element n, then the variational form is ______________
a) ψT(KQ–F)=0
b) ψ(KQ-F)=0
c) ψ(KQ)=F
d) ψ(F)=0
Answer: a
Explanation: Element connectivity means Assemble the element equations. To find the global equation system for the whole solution region we must assemble all the element equations. For formulation of a variational form for a system of differential equations. First method treats each equation independently as a scalar equation, while the other method views the total system as a vector equation with a vector function as a unknown.
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