Based upon the elasticity theory, a mechanical model for the casing pipe was built and the relationship between residual stress and compression strength was developed by FEM.
运用弹性力学理论，建立石油套管的力学模型，通过有限元计算，得到残余应力与石油套管抗压溃强度之间的关系。
Heat treatment methods, such as solid solution and quenching, have greatly enhanced its mechanical strength, which also leave a large internal residual stress in it.
固溶、淬火等热处理手段极大地提高了其机械强度，但同时使其内部产生了较大的残余应力。
Residual strength model is a proper methodology to describe the dynamic fatigue behavior of mechanical component.
剩余强度模型在描述试件的动态疲劳行为方面是一种比较切合实际的方法。
Residual strength model is a proper methodology to describe the dynamic fatigue behavior of mechanical component.
剩余强度模型在描述试件的动态疲劳行为方面是一种比较切合实际的方法。
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