It is based on physical component and body-fitted coordinate ( PCBFC ), and applies arbitrary Lagrangian Eulerian ( ALE ) method to realize the grid moving. 程序基于物理组成贴体坐标系(PCBFC),结合任意拉格朗日欧拉(ALE)坐标法(ALE)实现网格的移动。
Research progress in arbitrary Lagrangian Eulerian method 任意拉格朗日-欧拉描述法研究进展
Then the validity and accuracy of the two numerical algorithms are researched by comparing with Finite Element method, Arbitrary Lagrangian Eulerian(ALE) method and experimental results. 然后对这两种方法在聚能射流及其侵彻问题的数值模拟中的有效性进行研究,并与有限元方法FEM和流固耦合方法ALE相比较探讨其优越性,与实验比较分析其精确性。
The Arbitrary Lagrangian Eulerian(ALE) ( ALE ) finite element method with ANSYS / CFD was used to solve the Navier-Stokes equations numerically. 利用任意拉格朗日欧拉(ALE)(ALE)有限元方法求解出N-S方程的数值解,将流场仿真结果与实验进行了对比,并分析了扑翼运动产生的前缘漩涡对升力的作用。
Consideration large deformation of material in explosive test, apply LS-dyna's multi-material arbitrary lagrangian Eulerian finite method and fluid-structure couple, investigate dynamic response characteristic of steel concrete encapsulation structure under explosive load inside it by use a numerical simulation method. 根据内爆炸现象涉及材料大变形的特点,采用多物质的ALE算法,并采用流固耦合的方法,对混凝土加固钢壳结构在爆炸载荷作用下的动力响应进行了数值模拟。