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题目内容
(信阳师范弹性力学及有限元分析)
轴对称三角形环形单元的位移模式可以取为 :
A.u=a1+a2r+a3z
B.u=a1+a2r+a3z+a4z2
C.=a1+a2r+a3z 2
D.u=a1+a2r2+a3z2
A.u=a1+a2r+a3z
B.u=a1+a2r+a3z+a4z2
C.=a1+a2r+a3z 2
D.u=a1+a2r2+a3z2
参考答案
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