Predicting natural-convection-dominated phase change problems by control volume unstructured triangular grid: Applications to the melting of pure metal

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Title:	Predicting natural-convection-dominated phase change problems by control volume unstructured triangular grid: Applications to the melting of pure metal
Authors:	Hong,ZC;Liou,JH
Contributors:	機械工程研究所
Keywords:	NAVIER-STOKES EQUATIONS;FINITE-ELEMENT METHOD;ENTHALPY METHOD;HEAT-TRANSFER;SOLIDIFICATION;LIQUID;FLOWS;WALL
Date:	1998
Issue Date:	2010-06-29 18:04:32 (UTC+8)
Publisher:	中央大學
Abstract:	Control volume methods have recently been developed for fluid flow and heat transfer on unstructured meshes. In this study, we extend these methods to implement the solution of natural-convection-dominated melting of gallium by a fixed-grid method. A simple, robust, and reliable explicit numerical method (MAC method) is applied for an unstructured triangular grid. This investigation also applies the implicit SIMPLER method for an unstructured triangular grid. Results obtained from the unstructured triangular grid correlate well with the structured mesh computations and experimental data. Also, the feasibility of applying the triangular grid to complex geometric problems is demonstrated by calculating two different triangular domains.
Relation:	NUMERICAL HEAT TRANSFER PART A-APPLICATIONS
Appears in Collections:	[Graduate Institute of Mechanical Engineering] journal & Dissertation

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