虚位移原理与最小耗能原理的等价关系

The Equality Between Principles of Virtual Work and Minimum Energy Consumption

论述了文献 [1 ]提出的最小耗能原理与虚位移原理的等价关系 .得出在一般力学中作为耗能过程的特例的平衡状态 ,亦服从“在耗能过程的任意时刻 ,耗能率都取当时所有耗能率的最小值” .这是对虚位移原理的新认识 ,也是从另一方面对该最小耗能原理的验证 .

The equality between the principle of virtual work and the minimum energy consumption principle suggested by reference has been derived.We dsicover that as a typical example of process of energy consumption the state of equilibrium also conformas to 'the mininum energy consumption can be obtained at any moment in process of energy consumption'.From this we have the new view to the virtual work principle.On the other hand,the minimum energy consumption principle has been proved from the principle of virtual work.