@Article{cmes.2009.042.131,
AUTHOR = {Yongjie  Zhang, Wenyan  Wang, Xinghua  Liang, Yuri  Bazilevs, Ming-Chen Hsu, Trond  Kvamsdal, Reidar  Brekken, Jørgen  Isaksen},
TITLE = {High-Fidelity Tetrahedral Mesh Generation from Medical Imaging Data for Fluid-Structure Interaction Analysis of Cerebral Aneurysms},
JOURNAL = {Computer Modeling in Engineering \& Sciences},
VOLUME = {42},
YEAR = {2009},
NUMBER = {2},
PAGES = {131--150},
URL = {http://www.techscience.com/CMES/v42n2/25299},
ISSN = {1526-1506},
ABSTRACT = {This paper describes a comprehensive and high-fidelity finite element meshing approach for patient-specific arterial geometries from medical imaging data, with emphasis on cerebral aneurysm configurations. The meshes contain both the blood volume and solid arterial wall, and are compatible at the fluid-solid interface. There are four main stages for this meshing method: 1) Image segmentation and geometric model construction; 2) Tetrahedral mesh generation for the fluid volume using the octree-based method; 3) Mesh quality improvement stage, in which edge-contraction, pillowing, optimization, geometric flow smoothing, and mesh cutting are applied to the fluid mesh; and 4) Mesh generation for the blood vessel wall based on the boundary layer generation technique. The constructed meshes are extensively employed in a fully-coupled fluid-structure interaction analysis of vascular blood flow. This paper presents several case studies of hemodynamics in patient-specific cerebral aneurysms.},
DOI = {10.3970/cmes.2009.042.131}
}