Title: Axisymmetric smoothed particle hydrodynamics method for solid impact simulation
Abstract: To improve the calculation efficiency of axisymmetric solid impact using Smoothed Particle Hydrodynamics( SPH) method,the 3D model is simplified to a 2D symmetric plane; to avoid the circumferential integration of smooth function during building axisymmetric SPH method,the approximate equations with symmetry form under axisymmetric cylindrical coordinates are built by the direct discretizaion based on the traditional SPH method and the approximate properties between the derivative relationship and the SPH method. The Taylor bar impact is taken as an example. The stability and precision of the new axisymmetric SPH method are verified by the numerical results which are compared with the experiment results and the results obtained by commercial software.
Publication Year: 2013
Publication Date: 2013-01-01
Language: en
Type: article
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