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Reliability analysis of mid-plane symmetric laminated plates using direct simulation method

机译：直接模拟法分析中平面对称层压板的可靠性

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Direct simulation method is used to perform the reliability analysis of mid-plane symmetric laminated plates. Applied uniform lateral pressure loads, material properties, geometric and ultimate strength values of the plates are treated as basic variables, and they are randomly generated in accordance with the corresponding probability distributions using statistical sampling techniques. Generated random values of the basic variables corresponding to the uniform lateral pressure loads, material properties and geometric values of the plates are used in a linear, elastic approach to assess the strength of the plates subjected to uniform pressure loads with both clamped and simply-supported edges. The limit state equations of the plates are developed by using anisotropic plate failure criteria such as maximum stress and Tsai--Hill. Calculated plate strengths and generated random values of the basic variables corresponding to the ultimate strength values of the plates are substituted into the limit state equations to define the failure or survival state of the plates under the given boundary and external loading conditions. Finally, statistical analysis of the results from the limit state equations is performed to estimate the probability of failure of the plates.
机译：采用直接仿真方法对中平面对称层压板进行了可靠性分析。将施加的均匀侧向压力载荷，材料特性，板的几何强度和极限强度值视为基本变量，并使用统计抽样技术根据相应的概率分布随机生成它们。对应于板的均匀侧向压力载荷，板的材料特性和几何值的基本变量的生成随机值，以线性，弹性方法使用，以评估在受压和简单支撑的情况下承受均匀压力载荷的板的强度边缘。板的极限状态方程是通过使用各向异性板破坏准则（例如最大应力和Tsai-Hill）开发的。将计算出的板强度和与板的极限强度值相对应的基本变量的生成随机值代入极限状态方程，以定义在给定边界和外部载荷条件下板的破坏或生存状态。最后，对极限状态方程的结果进行统计分析，以估计板的失效概率。

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