What kind of component is 0 that caused by a symmetric load on a symmetric plane?()
A. Symmetrical stress
B. Antisymmetrical stress
C. Symmetrical displacement
D. Antisymmetrical displacement
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Isoparametric transformation refers to that unit coordinate transformation and founction interpolation adopt the()nodes and()interpolation function.
A. different,different
B. same,same
C. same,different
D. different,same
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
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