对所测试件选取适当的模型，应用弹性力学理论，推导出微小位移与焊接残余应力的关系式。
On the basis of model selection from the pieces tested and according to elastic mechanics, the relation between minute displacement and welding residual stress is deduced.
本文应用弹性力学理论，对地壳中重力诱导的应力进行了分析，得出了垂直应力和水平应力与重力和半径的关系式。
The distribution of stresses in the earth's crust induced by gravity has beenanalyzed with the theory of elastic mechanics.
运用模态综合技术和弹性力学理论，研究了由路面不平度引起的车身动应力的形成机理及其仿真计算方法。
By utilizing modal synthesis technique and theory of elastic mechanics, the formation mechanism and simulation method of vehicle body dynamic stress caused by road unevenness are studied.
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