Some end value condition derived by variational method in accordance with the least energy loss principle and their mechanical background are also dealt with.
同时从能量最小原理出发，用变分的方法推导出几种端值条件，说明它们的力学背景。
The strength degradation ratio and strain energy loss were selected as damage indexes to analyze the deterioration law of the mechanical properties of concrete in different co.
采用强度退化率和应变能损失率为损伤指标，对不同腐蚀程度混凝土力学性能的退化进行分析。
The results show that the loss of mechanical energy, the loss angle and the accumulation of the large elastic strain energy can be used to evaluate covering properties of carpets.
结果表明，机械能量损耗、损耗角及累积最大弹性应变等指标能评定地毯的铺地性能。
应用推荐