multi-physics methods, modeling, simulation & analysis
TRANSCRIPT
Mahdi EsmailyStanford University
Center for Turbulence Research
HPC meeting, Feb 7-8, 2017
Multi-Physics Methods, Modeling, Simulation & Analysis
From application to new solutions
Application
Physical modeling
Governing equations HPC
Optimization analysis
New solutions
Systemic oxygen delivery:
𝐽"(𝑑) = 𝑂𝐷(𝑑)𝑉+,
=𝐶.𝑉+,
−1
𝑄. 𝑑𝑄"(𝑑)
Coronary oxygen delivery:
𝐽2(𝑑) = 𝑂𝐷2(𝑑)𝑉+,
=𝐶.𝑉+,
−1
𝑄. 𝑑𝑄2(𝑑)
Optimization results
1%Improvement in oxygen delivery
0.5%Improvement in coronary OD
Standard3.5 mm BT-shunt
Soleil-MPI
• Variable density incompressible formulation
• Discrete-ordinate method for radiation transport
• Lagrangian point-particles with collison modeling • Non-uniform structured rectilinear mesh
• Internal geometric multigrid solver
• Object oriented Fortran 2003
• Parallel (distributed memory)
• Tested with over a billion grid cells and particles
• Scales to Titan full capacity
Fluid flowRadiation transport
Lagrangianparticles