First step toward numerical hydrodynamics: SPH and Finite Differences with artificial dissipative terms

被引：0

作者：

Cruz-Perez, J. P. ^{[1
]}

Gonzalez, J. A. ^{[1
]}

Guzman, F. S. ^{[1
]}

Lora-Clavijo, F. D. ^{[1
]}

机构：

[1] Univ Michoacana, Inst Fis & Matemat, Morelia 58040, Michoacan, Mexico

来源：

GRAVITATIONAL PHYSICS: TESTING GRAVITY FROM SUBMILLIMETER TO COSMIC SCALE | 2010年 / 1256卷

关键词：

Computational methods in fluid dynamics;

D O I：

暂无

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

In this academic work, we present a comparison between the Smoothed Particles Hydrodynamics (SPH) method and the standard finite differences (FD). As the test case for this comparison we use the Sod shock tube. In order to deal with the shock waves without using Riemann solvers, we add artificial viscosity to SPH and dissipation to the finite differences. We compare the numerical results with the exact solution and show the convergence of both methods.

引用

页码：318 / 325

页数：8

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