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MIRACLES: Building and Applying a High-Fidelity CFD Tool for Aerospace Engineering Problems

MIRACLES: Building and Applying a High-Fidelity CFD Tool for Aerospace Engineering Problems

Wednesday 24/10/2018
  • Dr. Yann Delorme
  • Classroom 165, ground floor, Library, Aerospace Eng.
  • Faculty of Mechanical Engineering
  • Technion – Israel Institute of Technology
  • The talk will be given in English

Over the past twenty years, the field of Computational Fluid Dynamics (CFD) has been evolving drastically, following the progress of computational resources and hardware. The past few years, Large Eddy Simulation (LES) has become more and more popular, solving for instantaneous large scales of the turbulent flow field while modeling the smallest scales, assumed to be universal. My research focus on the development and implementation of high order accurate numerical methods to solve filtered Navier-Stokes equations in the context of Large Eddy Simulation. It is generally accepted in the community that high order low dissipative numerical methods are needed to accurately capture and predict the large scales of turbulent flows. This presents a challenge when trying to simulate realistic complex geometries as high order numerical methods typically benefit from the use of structured Cartesian meshes.

In this seminar, I will present the latest developments of an in-house solver developed at the CFDLab at the Technion (MIRACLES). This solver combines the use of high order energy stable numerical methods with an Immersed Boundary Method to allow accurate simulations of complex practical problems. I will go over some details of the methods and present several examples related to the aerospace industry. I will then present how this solver was recently coupled to several modules to allow for noise prediction of impellers, and for the computation of high speed reacting flows in the context of designs of scramjets. Future developments of the solver are finally discussed.

Light refreshments will be served before the lecture
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