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Fusion Engineering and Design 81 (2006) 15351541 Validation strategies of HIMAG in interfacial flow

Summary: Fusion Engineering and Design 81 (2006) 1535­1541
Validation strategies of HIMAG in interfacial flow
computation for fusion applications
Ming-Jiu Nia,, Ramakanth Munipallib, Neil B. Morleya, Mohamed A. Abdoua
a Department Mechanical and Aerospace Engineering, University of California at Los Angeles, 43-133 Engineering IV, CA 90095, USA
b HyPerComp Inc., 31255 Cedar Valley Dr., Westlake Village, CA 91362-4014, USA
Received 5 February 2005; received in revised form 16 September 2005; accepted 16 September 2005
Available online 27 December 2005
HIMAG, a 3-D incompressible MHD free surface code developed by HyPerComp Inc., in a joint research project with UCLA
has been successfully applied for APEX [M.A. Abdou, A. Ying, N. Morley, et al., On the exploration of innovative concepts for
fusion chamber technology, APEX Interim Report Overview, Fusion Eng. Des. 54 (2001) 181­247] and fusion relevant cases
[R. Munipalli, V. Shankar, M.-J. Ni, N. Morley, et al., Development of a 3-D incompressible free surface MHD computational
environment for arbitrary geometries: HIMAG DOE phase-II SBIR, period of performance: June 2001­June 2003, Final Report,
June 2003; N. Morley, S. Smolentsev, N. Munipalli, M.-J. Ni, D. Gao, M. Abdou, Progress on the modeling of liquid metal, free
surface, MHD flows for fusion liquid walls, Fusion Eng. Des. 72 (2004) 3­34] including LIMITS and NSTX. This unique code
was developed to model multiple solid and liquid phase materials with arbitrary geometry. The inclusion of complex-geometry,
electrically conducting walls and nozzles are essential since electric current closure paths are typically through these solid
structures. In HIMAG, a second-order variable density projection method is used to simulate incompressible Navier­Stokes
equations and the level set method is used to capture free surfaces. HIMAG is developed on unstructured grids, and can be run
in parallel across multiple processors, and is thus able to efficiently solve large complex problems. HIMAG has already been


Source: Abdou, Mohamed - Fusion Science and Technology Center, University of California at Los Angeles


Collections: Plasma Physics and Fusion