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Delta Voronoi Smoothed Particle Hydrodynamics, delta-VSPH

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자료유형	E-Book
개인저자	Gutierrez, David Fernandez.
단체저자명	University of California, Berkeley. Mechanical Engineering.
서명/저자사항	Delta Voronoi Smoothed Particle Hydrodynamics, delta-VSPH.
발행사항	[S.l.] : University of California, Berkeley., 2018
발행사항	Ann Arbor : ProQuest Dissertations & Theses, 2018
형태사항	173 p.
소장본 주기	School code: 0028.
ISBN	9780438324275
일반주기	Source: Dissertation Abstracts International, Volume: 80-01(E), Section: B. Adviser: Tarek I. Zohdi.
요약	A Lagrangian scheme that combines Voronoi diagrams with smoothed particle hydrodynamics (SPH) for incompressible flows has been developed. Within the Voronoi tessellation, the differential operators are discretized by adding contributions from n
요약	The Voronoi cells allow enforcing the boundary conditions directly on the portion of their perimeter in contact with the boundary. Two sub-domains are then defined based on the proximity to the boundaries. The VPH formulation is used in those pa
요약	The unbounded nature of Voronoi tessellations requires further treatment close to boundaries and free-surfaces to ensure that the Voronoi cells associated with the particles do not extend beyond the fluid domain. Boundaries are discretized as se
요약	The delta-SPH correction proposed by Cercos-Pita et al., Applied Math. Modelling, 40(19), 2016, is extended to the VPH formulation. In addition, the density field is reinitialized every certain number of time steps following the scheme proposed
요약	The code key subroutines are written in C++, and the main time-stepping program is implemented in Matlab. A leap-frog numerical scheme is used to iterate forward in time. The program architecture is summarized graphically, with a detailed analys
요약	The method presented in this thesis is suitable for free-surface flows with moving solid boundaries within the fluid domain. However, prior to extending it to such complicate problems, the accuracy of the coupled scheme is discussed by means of
일반주제명	Mechanical engineering. Ocean engineering. Fluid mechanics.
언어	영어
기본자료 저록	Dissertation Abstracts International80-01B(E). Dissertation Abstract International
대출바로가기	http://www.riss.kr/pdu/ddodLink.do?id=T14998031