Application of the Godunov-Type Corrective Smoothed Particle Method to Impulsive Load Studies
文献类型：期刊论文
| 作者 | Zhang, M.2 ; Zhang, J. M.1; Zhang M
|
| 刊名 | JOURNAL OF APPLIED FLUID MECHANICS
 |
| 出版日期 | 2022-11-01 |
| 卷号 | 15期号:6页码:1889-1899 |
| 关键词 | Meshfree method SPH method Godunov-type corrective smoothed particle method (GSPM) 1D shock tube 1D detonation wave |
| ISSN号 | 1735-3572 |
| DOI | 10.47176/jafm.15.06.1180 |
| 通讯作者 | Zhang, M.(m_zhang_imcas@163.com) |
| 英文摘要 | The smoothed particle hydrodynamics (SPH) method is based on the kernel particle approximation, which is sensitive to the uniformity of the SPH particle distribution in the computational domain; that is, all SPH particles must be distributed evenly in the computational domain. These factors significantly influence the practical application of the SPH method. Meanwhile, calculating the sum near the boundaries of the computational domain may cause boundary defect problems since there are insufficient particles in the support domain, thus often resulting in relatively high errors in numerical simulation results near boundaries. To address these problems, the kernel particle approximation discrete process was corrected based on the traditional SPH method, and the corrected SPH method, the Godunov-type corrective smoothed particle method (CSPM), was formulated by introducing Riemann decomposition. In this study, the traditional SPH method and Godunov-type CSPM method were applied in a comparative study of discontinuous function problems, 1D shock tubes and 1D detonation waves. According to the analysis results, the Godunov-type CSPM method can not only effectively improve the calculation accuracy and compatibility of the traditional SPH method in discontinuous shock wave problems but also increase the accuracy of the traditional SPH method in capturing strong discontinuities. |
| WOS关键词 | SPH ; HYDRODYNAMICS ; DEM ; SIMULATION |
| 资助项目 | National Natural Science Foundation of China[11261026] ; National Natural Science Foundation of China[11532015] ; National Natural Science Foundation of China[U1738119] |
| WOS研究方向 | Thermodynamics ; Mechanics |
| 语种 | 英语 |
| WOS记录号 | WOS:000859034300020 |
| 资助机构 | National Natural Science Foundation of China |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/90346]  |
| 专题 | 力学研究所_国家微重力实验室 |
| 通讯作者 | Zhang, M. |
| 作者单位 | 1.Kunming Univ Sci & Technol, Sch Architectural Engn, Kunming 650500, Peoples R China 2.Chinese Acad Sci, Inst Mech, Key Lab Micrograv, Natl Micrograv Lab, Beijing 100190, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhang, M.,Zhang, J. M.,Zhang M. Application of the Godunov-Type Corrective Smoothed Particle Method to Impulsive Load Studies[J]. JOURNAL OF APPLIED FLUID MECHANICS,2022,15(6):1889-1899. |
| APA | Zhang, M.,Zhang, J. M.,&Zhang M.(2022).Application of the Godunov-Type Corrective Smoothed Particle Method to Impulsive Load Studies.JOURNAL OF APPLIED FLUID MECHANICS,15(6),1889-1899. |
| MLA | Zhang, M.,et al."Application of the Godunov-Type Corrective Smoothed Particle Method to Impulsive Load Studies".JOURNAL OF APPLIED FLUID MECHANICS 15.6(2022):1889-1899. |
入库方式： OAI收割
来源：力学研究所
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