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principle of virtual work
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expl.
虚功原理
假设弹性体在虚位移发生之前处于平衡状态,当弹性体产生约束许可的微小虚位移并同时在弹性体内产生虚应变时,外力在虚位移上所作的虚功等于整个弹性体内各点内力在虚应变上所作的虚功的总和
hydroel.st.
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虚功原理
phys.
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又称
虚位移原理
(principle of virtual displacement)
principle of virtual work
:
6 phrases
in 2 subjects
Bridge construction
3
Technology
3
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