Abstract
A NURBS (non-uniform rational B-splines)-based isogeometric fluid-structure interaction formulation, coupling incompressible fluids with non-linear elastic solids, and allowing for large structural displacements, is developed. This methodology, encompassing a very general class of applications, is applied to problems of arterial blood flow modeling and simulation. In addition, a set of procedures enabling the construction of analysis-suitable NURBS geometries directly from patient-specific imaging data is outlined. The approach is compared with representative benchmark problems, yielding very good results. Computation of a patient-specific abdominal aorta is also performed, giving qualitative agreement with computations by other researchers using similar models.
Original language | English (US) |
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Pages (from-to) | 310-322 |
Number of pages | 13 |
Journal | Computational Mechanics |
Volume | 38 |
Issue number | 4-5 |
DOIs | |
State | Published - Sep 2006 |
Externally published | Yes |
Keywords
- Blood flow
- Elastic arterial wall
- Fluid-structure interaction
- Isogeometric analysis
- Mesh movement
- NURBS
- Navier-Stokes equations
- Vascular modeling
ASJC Scopus subject areas
- Computational Mechanics
- Ocean Engineering
- Mechanical Engineering
- Computational Theory and Mathematics
- Computational Mathematics
- Applied Mathematics