• Residual strength model is a proper methodology to describe the dynamic fatigue behavior of mechanical component.

    剩余强度模型描述试件动态疲劳行为方面一种比较切合实际的方法

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  • 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力学模型通过有限元计算,得到残余应力石油套管抗压溃强度之间关系

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  • 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全面地描述复合材料层板静态强度疲劳剩余强度统计特性

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  • 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剩余强度模型寿命干涉模型基础,建立了多夹杂裂纹扩展的可靠性度分析模型。

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  • 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剩余强度模型寿命干涉模型基础,建立了多夹杂裂纹扩展的可靠性度分析模型。

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