A 2D Model With Fluid-Structure Interactions for Coarctated Arteries

High-order fluid-structure interaction in 2D and 3D application to blood flow in arteries

Accuracy is critical if we are to trust the simulation’s predictions. In settings such as fluid-structure interaction it is all the more important to obtain reliable results to understand, for example, the impact of pathologies on blood flows in the cardiovascular system. In [1] we have proposed a framework for high order (in space and time) fluid structure interaction in 2D using an efficient ...

Fluid Structure Interactions for Blast Wave Mitigation

Simplified Fluid-Structure Interactions for Hemodynamics

Computing blood flows in a closed vascular system by isolating one section for simulation creates difficulties due to the time-periodic structure of the flow and possible non-physical back flow in the simplified geometry. We propose some solutions in the context of a simplified fluid structure interaction on a fixed geometry but with pressure dependent normal velocities at the compliant walls. ...

A Dual 2D Model for the Quantum Hall Fluid

We present a dual 2D statistical model to describe the physical properties of a Quantum Hall Fluid. Such a model depends on a coupling constant g and an angular variable 0, which couples the electric and the magnetic charges. We show that it has topologically non trivial vacua (corresponding to rational values of the filling), which are infrared stable fixed points of the renormalization group....

Mesh Moving Techniques for Fluid-Structure Interactions With Large Displacements

In computation of fluid-structure interactions, we use mesh update methods consisting of mesh-moving and remeshing-as-needed. When the geometries are complex and the structural displacements are large, it becomes even more important that the mesh moving techniques are designed with the objective to reduce the frequency of remeshing. To that end, we present here mesh moving techniques where the ...