An efficient numerical method is proposed for calculation of the first crossing reliability of non stationary process linear combination.
给出了非平稳过程线性组合的首次超越动力可靠度的一个有效数值计算方法。
Based on the theory of cylindrical particle diffraction, a numerical calculation method that can be used to measure non spherical particles is presented.
以柱形颗粒的衍射理论为基础，提出了适用于非球形颗粒衍射模型的数值计算方法。
Ground settlement of roadbed widening project in highway extension construction is analyzed by non-linear FEM numerical calculation.
通过非线性有限元数值计算，分析了高速公路改扩建路基加宽工程中的沉降问题。
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