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High-order mesh movement with Spring-Field and vector-adding

Liu, Tuo, C. Bruce Hilbert

Research Note, 25th International Meshing Roundtable, Sandia National Laboratories, September 26-30 2016


25th International Meshing Roundtable
Washington DC, U.S.A.
September 26-30, 2016

Tuo Liu, Simcenter, the University of Tennessee at Chattanooga, US,
C. Bruce Hilbert, Branch Technology, US,

Research Note Abstract
A new method for moving boundary problems with viscous mesh layers is presented. This method is extended from a former mesh generation approach, which is based on the advancing front method and spring model. This improved technique can not only be used for high-order mesh movement but also for high-order mesh generation. Based on the curved mesh deformation strategy, it can handle high-order mesh movement or regeneration with minimal extra computational time compared with linear mesh movement. Several 2D boundary motion cases are tested: boundary translations, boundary rotations, and boundary morphing. The results demonstrate that this approach can handle large boundary movements while preserving a good mesh quality.

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