Bio-Engineering (Current Studies)

• Physiology and mechanics of the human esophagus and esophageal muscle using combinations of mathematical modeling, computer simulations and analysis of high-resolution manometry, fluoroscopy and endoluminal ultrasound data.
• Mechanical function and mathematical modeling of the lower esophageal sphincter, and gastro-esophageal reflux using combinations of mathematical modeling, computer simulations and analysis of high-resolution manometry, fluoroscopy and endoluminal ultrasound data.
• Multi-scale modeling and computer simulation of nutrient transport and mixing in the small intestines using the lattice-Boltzmann method coupled with magnetic resonance imaging of the rat and rabbit guts.
• Numerical simulation of gastric fluid mixing and emptying and particle breakdown using the Lattice-Boltzmann method coupled with magnetic resonance imaging of the human stomach.
• Motility and mechanics of anal-rectal function and dysfunction from concurrent manometry-radiography-EMG.
  

Bio-Engineering (Past Studies)

• Upper esophageal sphincter function, modeling and computer simulation
• Peristaltic transport and disruption to peristalsis in the esophagus

Turbulence (Current Studies)

• The physics underlying polymer-turbulence interactions and drag reduction
• Large-eddy simulation of the atmospheric boundary layer
• Improvement of large-eddy simulation near surfaces, including subgrid modeling, boundary modeling, and numerics.

Turbulence (Past Studies)

• Time Dependent Scale Interactions at High Reynolds Numbers
• Measurement, Analysis and Prediction of Atmospheric Boundary Layer Turbulence
• Application of New Concepts in Scientific Analysis to Atmospheric Studies
• Acoustic Propagation through Synthesized and Simulated Atmospheric Turbulence