Research

Overview of my current projects across fundamental biomedicine, clinical applications, high-performance computing, and exploratory work.

Fundamental Biomedicine

Mechanics of blood, cells, and thrombus formation at clinically relevant scales.

Digital Twin of cellular blood

Digital Twin of cellular blood

High-performance microscale simulations with HemoCell

  • Lattice Boltzmann
  • Cell-resolved simulation
  • Parallel HPC
Vascular injury

Vascular injury

Predicting the effects of microneedles and mosquito bites

  • In silico and in vitro
  • Cell-resolved flow
  • Injury modeling
Initial stages of thrombus formation

Initial stages of thrombus formation

Combining experimental imaging with flow and structural simulations

  • Image-based modeling
  • Porous media flow
  • Microfluidic data
Flow mechanics of arterial thrombosis

Flow mechanics of arterial thrombosis

Investigating the role of the micro-mechanical environment

  • Hemodynamic analysis
  • Platelet mechanobiology
  • Elongational flow
Computational model credibility

Computational model credibility

Inverse Uncertainty Quantification of RBC mechanics in HemoCell

  • Inverse UQ
  • Gaussian process surrogate
  • Sensitivity analysis

Clinical Applications

Patient-specific simulations that support diagnosis, treatment planning, and implant design.

Virtual treatment of brain aneurysms

Virtual treatment of brain aneurysms

Virtual flow diverter deployment for treatment planning

  • Spring-mass modeling
  • Device mechanics
  • Treatment planning
Vascular graft design

Vascular graft design

Design optimization of a new medical graft that is able to follow patient growth

  • Implant design
  • Auxetic structures
  • Flow simulation
Risk of thrombosis in patient vessels

Risk of thrombosis in patient vessels

Computational study of thrombotic risk in a Fontan vasculature.

  • Patient-specific CFD
  • Lagrangian analysis
  • Thrombosis indicators
Micro-aneurysms in the retina

Micro-aneurysms in the retina

Cellular flow in 3D reconstructed retinal micro-aneurysm

  • Image-based geometry
  • Cell-resolved simulation
  • Retinal hemodynamics
Flow prediction in treated brain aneurysms

Flow prediction in treated brain aneurysms

Blood flow simulation in patient brain arteries with virtual treatment.

  • Lattice Boltzmann
  • Experimental validation
  • Cerebral hemodynamics
Turbulence in blood

Turbulence in blood

Transient turbulence in a Fontan patient's circulation.

  • DNS
  • Lattice Boltzmann
  • LES comparison
Chaotic flows

Chaotic flows

Chaotic flow patterns in diseased arteries

  • Patient-specific CFD
  • Chaotic advection
  • Fractal analysis

High-Performance Computing

Algorithms and models that make large-scale blood flow simulation fast, robust, and efficient.

Performance modeling

Performance modeling

Predicting large-scale simulation performance and energy use

  • Analytical modeling
  • Performance calibration
  • Scalability prediction
Heterogeneous multi-scale model

Heterogeneous multi-scale model

Dynamic coupling of high-performance computing models

  • Multiscale modeling
  • Surrogate modeling
  • HPC coupling
Load-balancing

Load-balancing

Dynamic load-balancing of large-scale cellular simulations

  • Performance modeling
  • Dynamic load balancing
  • Parallel overhead analysis

Exploratory Projects

Cross-domain simulation work, prototypes, and educational tools beyond the main tracks.

Quantum gravity simulation

Quantum gravity simulation

Causal Dynamical Triangulations

  • Monte Carlo
  • Causal triangulation
  • Statistical physics
2D LBM code

2D LBM code

2D open-source lattice Boltzmann simulation (C/Python)

  • Lattice Boltzmann
  • Porous flow
  • OpenMP
webLBM

webLBM

External

(opens new page) webGL-based interactive 2D lattice Boltzmann simulation

  • WebGL
  • Interactive simulation
  • Lattice Boltzmann