Compared with first-order perturbation, second-order perturbation stochastic finite element has the advantage of higher accuracy.
与一阶摄动随机有限元相比，二阶摄动随机有限元具有较高的计算精度。
This study calculated the statistical moments of settlement for shallow foundation by using second-order perturbation stochastic finite element method.
笔者探讨了这一方法，考虑土性分布参数和荷载变异性，用二阶摄动随机有限元法进行了浅地基沉降的概率分析。
The process in which the reliability of rock bedding slope is analyzed by applying the perturbation stochastic finite element method (PSFEM) is formulated.
介绍运用摄动随机有限元法（PSFEM）分析顺层岩质边坡可靠性的推导过程。
Based on the second-order perturbation technique, the stochastic finite element method (SFEM) of the strength analysis of the turbine blade is introduced in this paper.
本文基于二阶摄动技术研究叶片强度分析的随机有限元方法。
The effects of WOB fluctuation of drill string on the wellbore trajectory are analyzed by using stochastic finite element method and perturbation equation.
借助随机有限元方法和摄动方程初步分析了钻压波动对井眼轨迹的影响。
In this paper, the component mode synthesis, combined with the perturbation and stochastic finite element, is used to study the random eigen problem of large and complicated structures.
采用子结构模态综合和摄动随机有限元相结合求解工程结构的随机特征问题。
The perturbation-based stochastic finite element analysis incorporating structural optimization techniques is employed in the structural robust design problem.
研究了考虑参数随机性的结构静动态特性稳健性优化设计问题的数学模型和数值求解。
The perturbation-based stochastic finite element analysis incorporating structural optimization techniques is employed in the structural robust design problem.
研究了考虑参数随机性的结构静动态特性稳健性优化设计问题的数学模型和数值求解。
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