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http://dx.doi.org/10.5139/JKSAS.2014.42.3.191

The study of data transfer method non-matching meshes interface using common-refinement method for fluid-structure interface  

Han, Sangho (Department of Mechanical and Aerospace Engineering, Seoul National University)
Kim, Donghyun (Continental Automotive Systems)
Lee, Changsoo (Department of Mechanical and Aerospace Engineering, Seoul National University)
Kim, Chongam (Department of Mechanical and Aerospace Engineering, Seoul National University)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.42, no.3, 2014 , pp. 191-198 More about this Journal
Abstract
During multi-physics or multi-phase simulations accompanying fluid- structure- thermal interaction, data transfer problems always arise along non- matching interfaces caused by different computational meshes for each physical domain. Common- refinement scheme, among many available methods, is attractive since it is known to yield conservative and accurate data transfer for non- matching interface cases. This is particularly important in simulating compressible unsteady fluid- structure- thermal interaction inside solid propellant rockets, where grid size along solid- fluid interfaces is substantially different. From this perspective, we examine performances of common- refinement- based data transfer scheme between structured quadrilateral (structure part) and unstructured triangular (fluid part) meshes by comparing computed results with other data transfer methods.
Keywords
fluid- structure interaction; data transfer scheme; common- refinement method; non- matching interface;
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