• 疲劳寿命计算采用断裂力学方法建立疲劳裂纹扩展模型失效模式极限状态方程

    Fatigue damage estimation of the tendons was made using fracture mechanics approach, establishing the fracture crack growth rate model and limit state equations for failure modes.

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  • 首先讨论了海洋结构含裂纹构件失效准则修复构件疲劳性能评价模型

    The failure criteria of the cracked structural components for offshore structures and the fatigue model for repaired structural member are discussed.

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  • 对数累积损伤模型作为失效判据,已在某口径自动弹簧疲劳寿命预测得到满意应用

    Used as a fatigue failure criterion, application of the model to the fatigue life prediction for the feeding spring of a medium calibre automatic naval gun proved to be comparatively satisfactory.

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  • 本文采用概率断裂力学方法可靠性分析方法,针对压力容器焊接接头组织不均匀特点,研究焊缝疲劳失效概率模型

    The paper studies the fatigue failure probabilistic model of the weld zone in welded joint using probabilistic fracture mechanics and reliabilitistic analysis methods.

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  • 某些情况下,如进行复杂应力条件疲劳损伤分布分析疲劳失效寿命应力水平连续分布模型有意义

    In some cases, the continuous distribution model of fatigue failure life and stress amplitude level is more valuable in analyzing the damage of ponogena under complicated stress.

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  • 根据起重机钢丝绳失效主要金属疲劳原理,采用应力-强度干涉模型起重机钢丝绳进行疲劳可靠性设计

    Since the main failure reason of the steel rope is the fatigue of the metal, the fatigue reliability design of the crane steel rope can be executed by means of stress-strength interference model.

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  • 本文建立随机疲劳失效多维概率模型。论述推导机械零件疲劳失效分布的随机模拟公式

    In this paper, multidimensional probability model of random fatigue failure was established and the random simulating formula of failure distribution function was deduced.

    youdao

  • 本文建立随机疲劳失效多维概率模型。论述推导机械零件疲劳失效分布的随机模拟公式

    In this paper, multidimensional probability model of random fatigue failure was established and the random simulating formula of failure distribution function was deduced.

    youdao

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