no code implementations • 1 Dec 2023 • John D. Lee, Jakob Richter, Martin R. Pfaller, Jason M. Szafron, Karthik Menon, Andrea Zanoni, Michael R. Ma, Jeffrey A. Feinstein, Jacqueline Kreutzer, Alison L. Marsden, Daniele E. Schiavazzi
The substantial computational cost of high-fidelity models in numerical hemodynamics has, so far, relegated their use mainly to offline treatment planning.
no code implementations • 25 Sep 2023 • Alexander D. Kaiser, Moussa A. Haidar, Perry S. Choi, Amit Sharir, Alison L. Marsden, Michael R. Ma
The models were evaluated for primary targets of stenosis and regurgitation.
1 code implementation • 13 Mar 2023 • Luca Pegolotti, Martin R. Pfaller, Natalia L. Rubio, Ke Ding, Rita Brugarolas Brufau, Eric Darve, Alison L. Marsden
Our numerical results demonstrate the accuracy and generalizability of our method in physiological geometries comprising a variety of anatomies and boundary conditions.
1 code implementation • 1 Nov 2021 • Alexander D. Kaiser, Nicole K. Schiavone, Christopher J. Elkins, Doff B. McElhinney, John K. Eaton, Alison L. Marsden
In this work, we performed physical experiments of flow through a pulmonary valve in an in vitro pulse duplicator, and measured the corresponding velocity field using 4D flow MRI (4-dimensional flow magnetic resonance imaging).
1 code implementation • 17 Sep 2021 • Alexander D. Kaiser, Rohan Shad, Nicole Schiavone, William Hiesinger, Alison L. Marsden
The aortic geometry is based on a healthy patient with no known aortic or valvular disease, which allows us to isolate the hemodynamic consequences of changes to the valve alone.
no code implementations • 19 Feb 2021 • Ju Liu, Ingrid S. Lan, Alison L. Marsden
In this article, we review the mathematical modeling for the vascular system.
no code implementations • 25 Jan 2021 • Ju Liu, Marcos Latorre, Alison L. Marsden
Based on the consistent modeling framework, a provably energy stable numerical scheme is constructed for incompressible viscohyperelasticity using inf-sup stable elements.
Numerical Analysis Computational Engineering, Finance, and Science Numerical Analysis
no code implementations • 5 Oct 2020 • Alexander D. Kaiser, Rohan Shad, William Hiesinger, Alison L. Marsden
The solution to these differential equations is referred to as the predicted loaded configuration; it includes the loaded leaflet geometry, fiber orientations and tensions needed to support the prescribed load.
