A HEAVISIDE-FUNCTION APPROACH FOR THE INTERACTION OF TWO-PHASE FLUID AND NON-DEFORMABLE SOLID

한국수학교육학회지시리즈B:순수및응용수학 / Journal of the Korean Society of Mathematical Education Series B: The Pure and Applied Mathematics, (P)1226-0657; (E)2287-6081

2012, v.19 no.2, pp.147-169

https://doi.org/10.7468/jksmeb.2012.19.2.147

Kang, Myung-Joo (Department of Mathematical Sciences, Seoul National University)
Min, Cho-Hong (Department of Mathematics, Ewha Womans University)

Kang, Myung-Joo, & Min, Cho-Hong. (2012). A HEAVISIDE-FUNCTION APPROACH FOR THE INTERACTION OF TWO-PHASE FLUID AND NON-DEFORMABLE SOLID. 한국수학교육학회지시리즈B:순수및응용수학, 19(2), 147-169, https://doi.org/10.7468/jksmeb.2012.19.2.147

복사

Abstract

We introduce a Heaviside-function formulation of the interaction between incompressible two-phase fluid and a non-deformable solid. Fluid and solid interact in two ways : fluid satises the Dirichlet boundary condition imposed by the velocity field of solid, and solid is accelerated by the surface traction exerted by fluid. The two-way couplings are formulated by the Heaviside function to the interface between solid and fluid. The cumbersome treatment of interface is taken care of by the Heaviside function, and the interaction is discretized in a simple manner. The discretization results in a stable and accurate projection method.

keywords: incompressible fluid, Navier-Stokes equations, fluid-solid interaction, Heaviside function

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논문 상세

Vol.19 No.2

A HEAVISIDE-FUNCTION APPROACH FOR THE INTERACTION OF TWO-PHASE FLUID AND NON-DEFORMABLE SOLID

A HEAVISIDE-FUNCTION APPROACH FOR THE INTERACTION OF TWO-PHASE FLUID AND NON-DEFORMABLE SOLID

Abstract

참고문헌

한국수학교육학회지시리즈B:순수및응용수학