Results 31 to 40 of about 29,989 (286)

SMOOTHED PARTICLE HYDRODYNAMICS SIMULATIONS USING GRAPHICS PROCESSING UNITS

open access: yesTASK Quarterly, 2014
Smoothed Particle Hydrodynamics (SPH) is a fully Lagrangian, particle-based technique for fluid-flow modeling. As a gridless method, it appears to be a natural approach to simulate multi-phase flow with complex geometries. Since SPH involves a large set
KAMIL SZEWC
doaj   +1 more source

A Local Semi-Fixed Ghost Particles Boundary Method for WCSPH

open access: yesJournal of Marine Science and Engineering, 2021
Due to the convenience and flexibility in modeling complex geometries and deformable objects, local ghost particles methods are becoming more and more popular.
Kaidong Tao, Xueqian Zhou, Huilong Ren
doaj   +1 more source

Application of meshless methods for pistol bullets modelling [PDF]

open access: yesBiuletyn Wojskowej Akademii Technicznej, 2021
The paper presents an analysis of applicability of two meshless methods for pistol bullets modelling based on an example of a 9 mm Parabellum. The studies included the following methods: Smoothed Particle Hydrodynamics (SPH) method and Smoothed Particle ...
Piotr Kędzierski, Julia Watorowska
doaj   +1 more source

Smoothed Particle Hydrodynamics Simulations of Apsidal and Nodal Superhumps [PDF]

open access: yes, 2000
In recent years a handful of systems have been observed to show "negative" (nodal) superhumps, with periods slightly shorter than the orbital period. It has been suggested that these modes are a consequence of the slow retrograde precession of the line ...
Barrett P.   +14 more
core   +2 more sources

Smoothed particle hydrodynamics simulation of underwater explosions with dynamic particle refinement

open access: yesAIP Advances, 2020
The underwater explosion is a very complex multiphase phenomenon that poses a threat to the safety of ocean structures. Numerical simulation is of great significance in understanding the underlying mechanisms of hydrodynamics and structural damages due ...
Tieshuan Zhuang, Xiangwei Dong
doaj   +1 more source

Effect of wettability on the water entry of spherical projectiles: Numerical analysis using smoothed particle hydrodynamics

open access: yesAIP Advances, 2022
The entry of projectiles into water has been of interest to many scientists and engineers, being crucial to a wide range of engineering applications. The water entry problem is a nonlinear and unsteady phenomenon involving complicated multi-phase flow ...
Hee Sang Yoo   +3 more
doaj   +1 more source

A derivation of the entropy-based relativistic smoothed particle hydrodynamics by variational principle

open access: yes, 2017
In this work, a second order smoothed particle hydrodynamics is derived for the study of relativistic heavy ion collisions. The hydrodynamical equation of motion is formulated in terms of the variational principle.
Chen, Weixian   +2 more
core   +1 more source

Smoothed Particle Interpolation [PDF]

open access: yes, 1994
Smoothed particle hydrodynamics (SPH) discretization techniques are generalized to develop a method, smoothed particle interpolation (SPI), for solving initial value problems of systems of non-hydrodynamical nature.
Laguna, Pablo
core   +1 more source

An improved form of smoothed particle hydrodynamics method for crack propagation simulation applied in rock mechanics

open access: yesInternational Journal of Mining Science and Technology, 2021
The simulation of crack propagation processes in rock engineering has been not only a research hot spot among scholars but also a challenge. Based on this background, a new numerical method named improved kernel of smoothed particle hydrodynamics (IKSPH)
Shuyang Yu   +4 more
doaj   +1 more source

NUMERICAL CONVERGENCE IN SMOOTHED PARTICLE HYDRODYNAMICS [PDF]

open access: yesThe Astrophysical Journal, 2015
We study the convergence properties of smoothed particle hydrodynamics (SPH) using numerical tests and simple analytic considerations. Our analysis shows that formal numerical convergence is possible in SPH only in the joint limit $N \rightarrow \infty$, $h \rightarrow 0$, and $N_{nb} \rightarrow \infty$, where $N$ is the total number of particles, $h$
Qirong Zhu, Lars Hernquist, Yuexing Li
openaire   +3 more sources

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