常用的计算方法有双压法和压力温度法等，可以采用直接折叠法或初始矩阵法建立气囊的有限元模型。
The common calculation methods include dual pressure method and pressure temperature method in which the air bag FEM model can be created using the direct folding method or initial matrix method.
此方法有十分广泛的用途，并易于在位移法有限元程序中实现。
The method has a very wide field of application, and is easily implemented in displacement-based finite element program.
斜拉索静力分析的常用的方法有：解析法、二力杆法和有限元法。
Three methods often used in analyzing stayed cable are analytic method, equivalent two force members method and finite element method.
常用的数值计算方法有有限差分法和有限元法，但用标准的有限差分方法求解数学模型时常常失效，根本原因在于对流项的存在。
The basic numerical simulation method is FDM and FEM, but the traditional FDM are not efficient for some models with convection term.
常用的数值计算方法有有限差分法和有限元法，但用标准的有限差分方法求解数学模型时常常失效，根本原因在于对流项的存在。
The basic numerical simulation method is FDM and FEM, but the traditional FDM are not efficient for some models with convection term.
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