What solution was first solved by the finite element method, from which both the element strain and stress can be derived?()
A. The node coordinate
B. The degree of freedom of nodes
C. The loads on nodes
D. The node displacement
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The position of the node depends on the form, not on the position of the load.()
Beam elements、 shell elements and solid elements can not be mixed together to make a model.()
Quadrilateral plane elements should be made as close to square as possible.()
Static analysis of the results of a moving object is not possible with finite element method.()