نتایج جستجو برای: dem sph coupling

تعداد نتایج: 175330  

2014
Guillaume Laibe Daniel J. Price

In a companion paper we have shown how the equations describing gas and dust as two fluids coupled by a drag term can be re-formulated to describe the system as a single fluid mixture. Here we present a numerical implementation of the one-fluid dusty gas algorithm using Smoothed Particle Hydrodynamics (SPH). The algorithm preserves the conservation properties of the SPH formalism. In particular...

2005
Tiew S. Ting Mahesh Prakash

Except as may be otherwise specifically indicated or acknowledged herein, the data and information contained herein is the property of the Commonwealth Scientific and Industrial Research Organisation (CSIRO) Australia. The content of this document is only to be used for the purpose for which it is specifically supplied and must not be used, reproduced or disclosed to third parties, in whole or ...

Journal: :Computer Methods in Applied Mechanics and Engineering 2021

In this work, we propose a two-way coupling technique between total Lagrangian smoothed particle hydrodynamics (SPH) method for Solid Mechanics and the explicit incompressible SPH (EISPH) to simulate fluid–structure interaction problems. solid part, framework guarantees that distribution keep stable correctly calculate deformation gradient thus elastic forces. The constitutive model follows hyp...

Journal: :Medical principles and practice : international journal of the Kuwait University, Health Science Centre 2012
Li Wang Gui-Jie Liu Yan-Xin Chen Huai-Ping Dong Le-Xin Wang

OBJECTIVE Sinistral, or left-sided, portal hypertension (SPH) is a rare cause of upper gastrointestinal hemorrhage. This retrospective analysis summarizes the clinical features of SPH and the results of surgical treatment. SUBJECTS AND METHODS Between 2000 and 2009, patients from our hospital diagnosed with SPH were identified. Diagnosis of SPH was based on evidence of isolated splenic vein t...

Journal: :Biomedical materials 2012
Esha S Desai Mary Y Tang Amy E Ross Richard A Gemeinhart

We recently showed that superporous hydrogel (SPH) scaffolds promote long-term stem cell viability and cell driven mineralization when cells were seeded within the pores of pre-fabricated SPH scaffolds. The possibility of cell encapsulation within the SPH matrix during its fabrication was further explored in this study. The impact of each chemical component used in SPH fabrication and each step...

Journal: :J. Comput. Physics 2012
Daniel J. Price

This paper presents an overview and introduction to Smoothed Particle Hydrodynamics and Magnetohydrodynamics in theory and in practice. Firstly, we give a basic grounding in the fundamentals of SPH, showing how the equations of motion and energy can be self-consistently derived from the density estimate. We then show how to interpret these equations using the basic SPH interpolation formulae an...

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