Ditemukan 5 dokumen yang sesuai dengan query
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This paper presents a methods for estimating permeability of porous media based on lettice gas automata (LGA) methods. LGA is a relatively recent methods developed to perform hydrodynamic calculations. The methods , in its simplest form consists of a regular lattice populated with particles that hop from site to site in discrete time steps in a process, called prppagation. After propagation , the particles in each site interact with each other in a process ...
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Artikel Jurnal Universitas Indonesia Library
Chen, Zhangxin, 1962-
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This book offers a fundamental and practical introduction to the use of computational methods, particularly finite element methods, in the simulation of fluid flows in porous media. It is the first book to cover a wide variety of flows, including single-phase, two-phase, black oil, volatile, compositional, nonisothermal, and chemical compositional flows in both ordinary porous and fractured porous media. In addition, a range of computational methods are used, and benchmark problems of nine comparative solution ...
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Philadelphia: Society for Industrial and Applied Mathematics, 2006
e20450203
eBooks Universitas Indonesia Library
A. Mahdy
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ABSTRACT
Our present investigation aimed to examine the natural convection boundary layer flow of nanofluids over a vertical flat plate embedded in a saturated Darcy porous medium containing gyrotactic microorganisms. For carrying out the numerical solution, two steps are performed. The governing partial differential equations are firstly simplified into a set of highly coupled nonlinear ordinary differential equations by suitable similarity variables, and then numerically solved by applying the cubic spline collocation technique. The obtained similarity ...
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Pathum Thani: Thammasat University, 2017
607 STA 22:4 (2017)
Artikel Jurnal Universitas Indonesia Library
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Many problems in mechanics involve deformable domains with moving boundaries, including fluid-structure interaction, multiphase flows, flows over soft tissues and textiles, or flows involving accretion/erosion to name but a few. The presence of a moving boundary presents considerable challenges when it comes to modelling and understanding the underlying system dynamics. This proceedings volume collects contributions made at the IUTAM Symposium on Recent Advances in Moving Boundary Problems in Mechanics held in Christchurch, New Zealand in ...
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Switzerland: Springer Nature, 2019
e20509134
eBooks Universitas Indonesia Library
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This book comprises selected papers from the International Conference on Numerical Heat Transfer and Fluid Flow (NHTFF 2018), and presents the latest developments in computational methods in heat and mass transfer. It also discusses numerical methods such as finite element, finite difference, and finite volume applied to fluid flow problems. Providing a good balance between computational methods and analytical results applied to a wide variety of problems in heat transfer, transport and fluid mechanics, the ...
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Singapore: Springer Nature, 2019
e20509322
eBooks Universitas Indonesia Library
