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Computation of feed-paths for casting solidification using level-set-method

DSpace at IIT Bombay

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Title Computation of feed-paths for casting solidification using level-set-method
 
Creator SUTARIA, M
GADA, VH
SHARMA, A
RAVI, B
 
Subject Feed-path
Hot-spot
Level-set
Liquid-solid interface
Shrinkage
Solidification
2-PHASE FLOW
PHASE-CHANGE
NUMERICAL-SIMULATION
DISTANCE RULES
EQUATIONS
SHAPE
 
Description The aim of the present work is to compute feed-paths and hot-spots by combining level-set-method based sharp interface and feed-path model. The model is based on the solution of energy and level-set equations in solid and liquid, with Stefan condition on the interface. The energy and level-set equation are discretized using finite-volume and finite-difference method, respectively. Feed-path is computed by tracking mass-less particles along the liquid-solid interface during solidification using combined Eulerian-Lagrangian framework. The proposed model is benchmarked on six test cases, where temperature contours and solidification time are compared with a finite-element-method based commercial software. The capability to predict the temporal evolution of interface and to identify multiple hot-spots is validated with an industrial aluminum-alloy lug casting. The numerical as well as experimental validations demonstrate the effectiveness of level-set-method for feed-path calculation. (C) 2012 Elsevier B.V. All rights reserved.
 
Publisher ELSEVIER SCIENCE SA
 
Date 2014-10-14T17:16:27Z
2014-10-14T17:16:27Z
2012
 
Type Article
 
Identifier JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, 212(6)1236-1249
http://dx.doi.org/10.1016/j.jmatprotec.2012.01.019
http://dspace.library.iitb.ac.in/jspui/handle/100/14545
 
Language en