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A Novel Level Set-Based Immersed-Boundary Method for CFD Simulation of Moving-Boundary Problems

DSpace at IIT Bombay

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Title A Novel Level Set-Based Immersed-Boundary Method for CFD Simulation of Moving-Boundary Problems
 
Creator SHRIVASTAVA, M
AGRAWAL, A
SHARMA, A
 
Subject CARTESIAN GRID METHOD
OSCILLATING CIRCULAR-CYLINDER
INCOMPRESSIBLE FLOWS
2-PHASE FLOW
NUMERICAL-SIMULATION
EQUATIONS
 
Description A novel level set-based immersed-boundary method (LSIBM) is proposed for a transient computational fluid dynamics (CFD) simulation of flow across a moving immersed boundary. At various time instants, the level set method (LSM) is used to capture the moving boundary accurately, and its value is used for proper numerical implementation of boundary conditions and conservation laws in the fluid region. The method is validated on flow across a pitching airfoil and four different problems on flow across an oscillating cylinder. The boundary conditions on the moving body are applied directly in the discrete equations: The method is more physics-based as well as easier to implement numerically.
 
Publisher TAYLOR & FRANCIS INC
 
Date 2014-10-15T08:21:39Z
2014-10-15T08:21:39Z
2013
 
Type Article
 
Identifier NUMERICAL HEAT TRANSFER PART B-FUNDAMENTALS, 63(4)304-326
http://dx.doi.org/10.1080/10407790.2013.756258
http://dspace.library.iitb.ac.in/jspui/handle/100/14670
 
Language en