Multi-Physics Methods, Modeling, Simulation & Analysis
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The document discusses multi-physics methods and applications in modeling, simulation, and analysis within the context of cardiovascular modeling and renewable energy solutions. It highlights specific modeling techniques used in patient-specific congenital heart disease simulations and innovative approaches in particle-based solar receiver design. Results indicate improvements in oxygen delivery metrics and provide insights on fluid flow and radiation transport in various scenarios.
Multi-Physics Methods, Modeling, Simulation & Analysis
- 1. Mahdi Esmaily Stanford University Center for Turbulence Research HPC meeting, Feb 7-8, 2017 Multi-Physics Methods, Modeling, Simulation & Analysis
- 2. From application to new solutions Application Physical modeling Governing equations HPC Optimization analysis New solutions
- 8. Systemic oxygen delivery: 𝐽"(𝑑) = 𝑂𝐷(𝑑) 𝑉+, = 𝐶. 𝑉+, − 1 𝑄. 𝑑 𝑄"(𝑑) Coronary oxygen delivery: 𝐽2(𝑑) = 𝑂𝐷2(𝑑) 𝑉+, = 𝐶. 𝑉+, − 1 𝑄. 𝑑 𝑄2(𝑑)
- 9. Optimization results 1% Improvement in oxygen delivery 0.5% Improvement in coronary OD Standard 3.5 mm BT-shunt
- 10. Going back to the basics
- 11. Ejector pump
- 12. New solutions: a novel surgery
- 16. 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 flow Radiation transport Lagrangian particles
- 19. Predicted near-wall temperature 8 m/s 4 m/s 2 m/s
- 20. Learned lessons With collision modeling Without collision modeling