Please use this identifier to cite or link to this item: https://doi.org/10.1007/s00193-005-0002-1
Title: Adaptive smoothed particle hydrodynamics for high strain hydrodynamics with material strength
Authors: Liu, M.B.
Liu, G.R. 
Lam, K.Y.
Keywords: Adaptive smoothed particle hydrodynamics
Anisotropic kernel
High strain hydrodynamics
Isotropic kernel
Smoothed particle hydrodynamics
Issue Date: Mar-2006
Citation: Liu, M.B., Liu, G.R., Lam, K.Y. (2006-03). Adaptive smoothed particle hydrodynamics for high strain hydrodynamics with material strength. Shock Waves 15 (1) : 21-29. ScholarBank@NUS Repository. https://doi.org/10.1007/s00193-005-0002-1
Abstract: This paper presents the implementation of an adaptive smoothed particle hydrodynamics (ASPH) method for high strain Lagrangian hydrodynamics with material strength. In ASPH, the isotropic kernel in the standard SPH is replaced with an anisotropic kernel whose axes evolve automatically to follow the mean particle spacing as it varies in time, space, and direction around each particle. Except for the features inherited from the standard SPH, ASPH can capture dimension-dependent features such as anisotropic deformations with a more generalized elliptical or ellipsoidal influence domain. Two numerical examples, the impact of a plate against a rigid surface and the penetration of a cylinder through a plate, are investigated using both SPH and ASPH. The comparative studies show that ASPH has better accuracy than the standard SPH when being used for high strain hydrodynamic problems with inherent anisotropic deformations.
Source Title: Shock Waves
URI: http://scholarbank.nus.edu.sg/handle/10635/59370
ISSN: 09381287
DOI: 10.1007/s00193-005-0002-1
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