Search Results for author: Alexander D. Kaiser

Found 7 papers, 4 papers with code

Modeling the Mitral Valve

no code implementations29 Aug 2022 Alexander D. Kaiser

We incorporate information from the dissections to specify the fiber topology of this model.

Anatomy

Comparison of Immersed Boundary Simulations of Heart Valve Hemodynamics against In Vitro 4D Flow MRI Data

1 code implementation1 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).

Controlled Comparison of Simulated Hemodynamics across Tricuspid and Bicuspid Aortic Valves

1 code implementation17 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.

A Design-Based Model of the Aortic Valve for Fluid-Structure Interaction

no code implementations5 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.

Modeling the Mitral Valve

2 code implementations31 Jan 2019 Alexander D. Kaiser, David M. McQueen, Charles S. Peskin

These display the gross anatomy and information on fiber structure of the mitral valve.

Anatomy Stress-Strain Relation

Gaussian-Like Immersed Boundary Kernels with Three Continuous Derivatives and Improved Translational Invariance

1 code implementation28 May 2015 Yuanxun Bao, Alexander D. Kaiser, Jason Kaye, Charles S. Peskin

The immersed boundary (IB) method is a general mathematical framework for studying problems involving fluid-structure interactions in which an elastic structure is immersed in a viscous incompressible fluid.

Numerical Analysis Numerical Analysis Fluid Dynamics 74F10, 76D05

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