疲劳寿命的计算采用断裂力学方法,建立疲劳裂纹扩展模型和失效模式的极限状态方程。
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.
首先讨论了海洋结构含裂纹构件的失效准则及修复构件疲劳性能的评价模型。
The failure criteria of the cracked structural components for offshore structures and the fatigue model for repaired structural member are discussed.
对数累积损伤模型作为—个失效判据,已在某中口径自动舰炮输弹簧的疲劳寿命预测中得到较满意的应用。
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.
本文采用概率断裂力学方法和可靠性分析方法,针对压力容器焊接接头的组织不均匀特点,研究了焊缝区疲劳失效概率模型。
The paper studies the fatigue failure probabilistic model of the weld zone in welded joint using probabilistic fracture mechanics and reliabilitistic analysis methods.
在某些情况下,如进行复杂应力条件下的疲劳素损伤分布分析,疲劳失效寿命和应力幅水平的连续分布模型更有意义。
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.
根据起重机钢丝绳失效主要是金属疲劳的原理,采用应力-强度干涉模型,对起重机钢丝绳进行了疲劳可靠性设计。
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.
本文建立随机疲劳失效的多维概率模型。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.
本文建立随机疲劳失效的多维概率模型。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.
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