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|Title:||Parallel-multigrid computation of prosthetic heart valves under physiological conditions using an immersed object method with overlapping grids||Authors:||Tai, Chin Hoe||Keywords:||DRNTU::Engineering::Bioengineering||Issue Date:||2004||Abstract:||This thesis presents the development of a high performance computational flow solver for numerical simulation of blood flows in prosthetic heart valves under physiological conditions and blood-leaflet interaction. A novel and efficient immersed object method (IOM) with overlapping grids (OG) incorporating the parallel-multigrid (MG) method is proposed in the present work. The three-dimensional finite-volume Navier-Stokes solver on unstructured tetrahedral grids using artificial compressibility approach and a higher-resolution upwind characteristics-based scheme is extended to implement the proposed numerical methods. Both unsteady flow and fluid-structure interaction are calculated with a matrix-free implicit dual time-stepping scheme.||URI:||http://hdl.handle.net/10356/6426||Rights:||Nanyang Technological University||Fulltext Permission:||restricted||Fulltext Availability:||With Fulltext|
|Appears in Collections:||MAE Theses|
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