Through progress in medical imaging, image analysis and finite element (FE) meshing tools it is now possible to extract patient-specific geometries from medical images of, e.g., abdominal aortic aneurysms (AAAs), and thus to study clinically relevant problems via FE simulations. Medical imaging is most often performed in vivo, and hence the reconstructed model geometry in the problem of interest will represent the in vivo state, e.g., the AAA at physiological blood pressure. However, classical continuum mechanics and FE methods assume that constitutive models and the corresponding simulations start from an unloaded, stress-free reference condition.
- Bioengineering Division
Method for Incorporating Three-Dimensional Residual Stresses Into Patient-Specific Simulations of Arteries
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Pierce, DM, Fastl, TE, Weisbecker, H, Holzapfel, GA, Rodriguez-Vila, B, Gómez, EJ, Verbrugghe, P, Fourneau, I, Maleux, G, & Herijgers, P. "Method for Incorporating Three-Dimensional Residual Stresses Into Patient-Specific Simulations of Arteries." Proceedings of the ASME 2013 Summer Bioengineering Conference. Volume 1B: Extremity; Fluid Mechanics; Gait; Growth, Remodeling, and Repair; Heart Valves; Injury Biomechanics; Mechanotransduction and Sub-Cellular Biophysics; MultiScale Biotransport; Muscle, Tendon and Ligament; Musculoskeletal Devices; Multiscale Mechanics; Thermal Medicine; Ocular Biomechanics; Pediatric Hemodynamics; Pericellular Phenomena; Tissue Mechanics; Biotransport Design and Devices; Spine; Stent Device Hemodynamics; Vascular Solid Mechanics; Student Paper and Design Competitions. Sunriver, Oregon, USA. June 26–29, 2013. V01BT65A001. ASME. https://doi.org/10.1115/SBC2013-14232
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