Application of the Godu11-Type Corrective Smoothed Particle Method to Impulsive Load Studies

doi:10.47176/jafm.15.06.1180

	Application of the Godu11-Type Corrective Smoothed Particle Method to Impulsive Load Studies
	Zhang M(张猛); Zhang, J. M.
刊名	JOURNAL OF APPLIED FLUID MECHANICS ; 6
	2022-11
卷号	15 页码:1889
关键词	Meshfree method SPH method Godu11-type corrective smoothed particle method (GSPM) 1D shock tube 1D detonation wave
ISSN号	1735-3572
DOI	10.47176/jafm.15.06.1180
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 Godu11-type corrective smoothed particle method (CSPM), was formulated by introducing Riemann decomposition. In this study, the traditional SPH method and Godu11-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 Godu11-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.
学科主题	Thermodynamics ; Mechanics
分类号	Q4
语种	英语
WOS记录号	WOS:000859034300020
资助机构	National Natural Science Foundation of China [11261026, 11532015, U1738119]
其他责任者	Zhang, M (corresponding author), Chinese Acad Sci, Inst Mech, Key Lab Micrograv, Natl Micrograv Lab, Beijing 100190, Peoples R China.
内容类型	期刊论文
源URL	[http://dspace.imech.ac.cn/handle/311007/90180]
专题	力学研究所_国家微重力实验室
作者单位	1.[Zhang, J. M.] Kunming Univ Sci & Technol, Sch Architectural Engn, Kunming 650500, Peoples R China 2.[Zhang, M.] 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.. Application of the Godu11-Type Corrective Smoothed Particle Method to Impulsive Load Studies[J]. JOURNAL OF APPLIED FLUID MECHANICS, 6,2022,15:1889.
APA	张猛,&Zhang, J. M..(2022).Application of the Godu11-Type Corrective Smoothed Particle Method to Impulsive Load Studies.JOURNAL OF APPLIED FLUID MECHANICS,15,1889.
MLA	张猛,et al."Application of the Godu11-Type Corrective Smoothed Particle Method to Impulsive Load Studies".JOURNAL OF APPLIED FLUID MECHANICS 15(2022):1889.