56 citations · 216 across the 11 of their papers we have counts for
11 papers
Improving the robustness of the immersed interface method through regularized velocity reconstruction
Qi Sun, Ebrahim M. Kolahdouz, Boyce E. Griffith
Robust, broadly applicable fluid-structure interaction (FSI) algorithms remain a challenge for computational mechanics. In previous work, we introduced an immersed interface method…
A sharp interface Lagrangian-Eulerian method for flexible-body fluid-structure interaction
Ebrahim M. Kolahdouz, David R. Wells, Simone Rossi +3
This paper introduces a sharp-interface approach to simulating fluid-structure interaction involving flexible bodies described by general nonlinear material models and across a bro…
An immersed interface-lattice Boltzmann method for fluid-structure interaction
Jianhua Qin, Ebrahim M. Kolahdouz, Boyce E. Griffith
An immersed interface-lattice Boltzmann method (II-LBM) is developed for modelling fluid-structure systems. The key element of this approach is the determination of the jump condit…
A sharp interface Lagrangian-Eulerian method for rigid-body fluid-structure interaction
Ebrahim M. Kolahdouz, Amneet P. S. Bhalla, Lawrence N. Scotten +2
This paper introduces a sharp interface method to simulate fluid-structure interaction (FSI) involving rigid bodies immersed in viscous incompressible fluids. The capabilities of t…
An Immersed Interface Method for Discrete Surfaces
Ebrahim M. Kolahdouz, Amneet Pal Singh Bhalla, Brent A. Craven +1
Fluid-structure systems occur in a range of scientific and engineering applications. The immersed boundary(IB) method is a widely recognized and effective modeling paradigm for sim…
Image-based immersed boundary model of the aortic root
Ali Hasan, Ebrahim M. Kolahdouz, Andinet Enquobahrie +3
Each year, approximately 300,000 heart valve repair or replacement procedures are performed worldwide, including approximately 70,000 aortic valve replacement surgeries in the Unit…
Level Set Jet Schemes for Stiff Advection Equations: The SemiJet Method
Guhan Velmurugan, Ebrahim M. Kolahdouz, David Salac
Many interfacial phenomena in physical and biological systems are dominated by high order geometric quantities such as curvature. Here a semi-implicit method is combined with a lev…
Dynamics of Three-Dimensional Vesicles in DC Electric fields
Ebrahim M. Kolahdouz, David Salac
A numerical and systematic parameter study of three-dimensional vesicle electrohydrodynamics is presented to investigate the effects of different fluid and membrane properties. The…
Electrohydrodynamics of Three-Dimensional Vesicles: A Numerical Approach
Ebrahim M. Kolahdouz, David Salac
A three-dimensional numerical model of vesicle electrohydrodynamics in the presence of DC electric fields is presented. The vesicle membrane is modeled as a thin capacitive interfa…
A numerical model for the trans-membrane voltage of vesicles
Ebrahim M. Kolahdouz, David Salac
The Immersed Interface Method is employed to solve the time-varying electric field equations around a three-dimensional vesicle. To achieve second-order accuracy the implicit jump…
The Semi Implicit Gradient Augmented Level Set Method
Ebrahim M. Kolahdouz, David Salac
Here a semi-implicit formulation of the gradient augmented level set method is presented. By tracking both the level set and it's gradient accurate subgrid information is provided,…