Regular cells
Shock front with periodic cellular patterns.
From DNS/LES/RANS comparisons to EVP flows around bluff bodies and porous media, here’s a compact look at my research and simulations.
Gaseous Detonation
Regular vs. irregular cell structures, unburnt pockets, and shock dynamics. See paper.
Irregular cells
Break-up of periodicity; transverse wave interactions.
Density contour
Evolution of the reaction front.
Temperature field
Thermal structure across the wave.
Unburnt pockets
Pocket formation and consumption.
Cellular structure
Cell growth and merging.
Kelvin–Helmholtz Instability
Roll‑up dynamics
Shear‑layer roll‑up and vortex pairing.
Compressible Multi‑Material Flow
2D hydrodynamic code with material interfaces (Level‑Set/VOF). Paper.
Algorithms
Single vs. multi‑material interface treatment.
Schlieren
Shock–bubble interaction over time.
Density contours
Compression/expansion phases.
Density field (video)
Bubble deformation under shock.
Gas fraction (video)
Interface topology evolution.
DNS · LES · RANS
Viscoelastic FENE‑P jet/mixing‑layer studies and subgrid modeling. Paper.
Comparisons
Accuracy vs. cost across models.
Instantaneous vorticity
Shear‑layer structures.
Shear‑layer thickness
Growth vs. model choice.
Non‑Newtonian & EVP Flows
Newtonian cylinder
Baseline bluff‑body flow.
EVP — shear‑thinning
Yield‑stress effects & drag.
EVP — shear‑thickening
Vortex shedding alteration.
Elastic turbulence
EuroHPC regular access results.
POD modes
Low‑rank structures.
DMD modes
Frequency‑resolved dynamics.
Porous media
Hydrodynamics in randomised structures.
Natural convection — velocity
Buoyancy‑driven circulation.
Natural convection — temperature
Thermal plumes & stratification.