By G. R. Liu, M. B. Liu
Книга Smoothed Particle Hydrodynamics: A Meshfree Particle strategy Smoothed Particle Hydrodynamics: A Meshfree Particle MethodКниги Физика Автор: G. R. Liu, M. B. Liu Год издания: 2003 Формат: pdf Издат.:World clinical Publishing corporation Страниц: 472 Размер: 20,9 Mb ISBN: 9812384561 Язык: Английский0 (голосов: zero) Оценка:ReviewsComputational MechanicsOne of the original function of the ebook is its emphasis at the machine implementation and coding of SPH technique. Zentralblatt MATH… can function a very good begin to successfully research, try out, instruction and boost such new equipment.
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Extra info for Smoothed Particle Hydrodynamics: A Meshfree Particle Method
Thirdly, most of the particle methods are basically meshfree methods, in which the particles form the computational frame for the field variable approximation. g. ) for background interpolation, or for other purposes. Lastly, in using particles to represent a continuum domain, some kind of mesh may be needed to generate the initial distribution of particles. The advantages of the MPMs over conventional grid-based numerical methods can be roughly summarized as follows: 1. 2. 3. 4. 5 In the MPMs, the problem domain is discretized with particles without a fixed connectivity.
A typical atomistic MPM is the molecular dynamics (MD) method, either ab inito or classic that uses force potential functions. Mesoscopic MPMs include dissipative particle dynamics (DPD) (Hoogerbrugge and Koelman, 1992; Espanol, 1998), lattice gas Cellular Automata (CA) (Wolfram, 1983; Kandanoff et al. 1989) etc. , 1966), MPS The differential operator is know as a harshening operator that can magnify the errors contained in the function been operated on. , Chapter 2 of a monograph by Liu and Han (2003)).
Benz and Asphaug (1993; 1994; 1995) extended SPH to the simulation of the fracture of brittle solids. Bonet and Kulasegaram (2000) applied SPH to the simulation of metal forming. The SPH method has been very attractive in simulating large deformation and impulsive loading events. One significant application area is high (or hyper) velocity impact (HVI) problems concerning the effects of projectiles impacting upon space assets (satellites, space stations, shuttles). In HVI problems, shock waves propagate through the colliding bodies, which behave like fluids (Zukas, 1982, 1990).