Which of the following options is equal to the number of generalized coordinates in finite element displacement mode?()
A. The number of element nodes
B. The number of degrees of freedom
C. The number of field variables
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In elasticity,there are()equations for the plane problems and ()unknowns.
A. 15,15
B. 8,8
C. 15,8
D. 8,15
The accuracy of Gauss Integral with n integral points can reach to()-order.
A. n-1
B. n
C. 2n-1
D. 2n
What relationship is the equilibrium equation studied?()
A. Strain and displacement
B. Stress and strength
C. Stress and displacement
D. Stress and strain
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