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。
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。
The results showed that the statistical characteristic for static strength and residual fatigue strength of carbon epoxy laminates could be properly described by this distribution model.
结果表明,这一分布模型能够更全面地描述复合材料层板静态强度和疲劳剩余强度的统计特性。
Based on residual strength interference model and life interference model, a sensitivity analysis method on reliability was proposed for the fatigue crack growth life of powder metallurgy materials.
结合粉末冶金材料含有非金属夹杂裂纹的特点,以裂纹扩展寿命可靠性分析的剩余强度模型与寿命干涉模型为基础,建立了多夹杂裂纹扩展的可靠性敏度分析模型。
Based on residual strength interference model and life interference model, a sensitivity analysis method on reliability was proposed for the fatigue crack growth life of powder metallurgy materials.
结合粉末冶金材料含有非金属夹杂裂纹的特点,以裂纹扩展寿命可靠性分析的剩余强度模型与寿命干涉模型为基础,建立了多夹杂裂纹扩展的可靠性敏度分析模型。
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