Tag: Computational Fluid Dynamics (CFD)
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04-11-2017 | David Del Rey Fernández: A Brief Introduction to Summation-By-Parts Methods and Their Various Flavors
Topic: 85th CFD Seminar: A Brief Introduction to Summation-By-Parts Methods and Their Various Flavors Date: Tuesday, April 11, 2017 Time: 11:00am-noon (EST) Room: NIA, Rm137 Speaker: David Del Rey Fernández, Postdoctoral Fellow, NIA Webcast Link: http://nia-mediasite.nianet.org/NIAMediasite100/Play/0ce49de984ab40a29bf5a402adaa45691d Abstract: The concept of matrix difference operators having the summation-by-parts (SBP) property has its origin in the finite-difference (FD) community with the goal of…
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03-28-2017 | Philippe Spalart: RANS and LES: Our Allies in the Quest for Turbulence
Title: “RANS and LES: Our Allies in the Quest for Turbulence” Speaker: Philippe Spalart, Boeing Date: Tuesday, March 28, 2017 Time: 2:00pm Location: NASA/LaRC, IESB Bldg. 2102, Reid 2 Sponsor/Hosts: Mujeeb Malik/Christopher Rumsey Abstract: We again take stock of the avenues for durable improvement in the prediction of turbulence in CFD, in the next two decades, with…
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03-21-2017 | Ali Uzun: Wall-Resolved Large Eddy Simulations of Separated Flows Part Two
Topic: 84th NIA CFD Seminar: Wall-Resolved Large Eddy Simulations of Separated Flows: Part Two Date: Tuesday, March 21, 2017 Time: 11:00am-noon (EST) Room: NIA, Rm137 Speaker: Ali Uzun Webcast link: http://nia-mediasite.nianet.org/NIAMediasite100/Play/5e697dac8df14bc9af39cbc17fe530841d?catalog=fe540232-73ef-4460-8462-0d8a1a25ea58 Abstract: This talk will discuss our ongoing work on the wall-resolved large eddy simulations (WRLES) of complex high Reynolds number separated flows. Such flows are…
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03-07-2017 | Hiroaki Nishikawa: Hyperbolic Navier-Stokes Method for High-Reynolds-Number Boundary-Layer Flows
Topic: 83rd NIA CFD Seminar: Hyperbolic Navier-Stokes Method for High-Reynolds-Number Boundary-Layer Flows Date: Tuesday, March 7, 2017 Time: 11:00am-noon (EST) Room: NIA, Rm 137 Speaker: Hiro Nishikawa, Associate Research Fellow, NIA Weblink: http://nia-mediasite.nianet.org/NIAMediasite100/Catalog/Full/d374119e838c48bc9e3126aea146ffa321 Abstract: This talk will discuss serious accuracy and stability problems in hyperbolic schemes for high-Reynolds-number boundary-layer calculations. For a model one-dimensional problem, a simple fix…
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02-21-2017 | Yi Liu: Third-Order Inviscid and Second-Order Hyperbolic Navier-Stokes Solvers for Three-Dimensional Unsteady Inviscid and Viscous Flows
Title: 82nd NIA CFD Seminar: Third-Order Inviscid and Second-Order Hyperbolic Navier-Stokes Solvers for Three-Dimensional Unsteady Inviscid and Viscous Flows Date: Tuesday, February 21, 2017 Time: 11:00am-noon (EST) Room: NIA, Rm101 Speaker: Yi Liu, Senior Research Engineer, NIA Link to view seminars: http://nia-mediasite.nianet.org/NIAMediasite100/Catalog/Full/d374119e838c48bc9e3126aea146ffa321 Abstract: We present third-order-inviscid implicit edge-based solvers for unsteady inviscid and viscous flows on unstructured tetrahedral grids. Steady…
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02-14-2017 | Hiroaki Nishikawa: Accuracy-Preserving Source Term Quadrature for Third-Order Edge-Based Discretization
Title: 81st NIA CFD Seminar: Accuracy-Preserving Source Term Quadrature for Third-Order Edge-Based Discretization Speaker: Hiro Nishikawa, Associate Research Fellow, NIA Date: Tuesday, February 14, 2017 Time: 11:00am-noon (EST) Room: NIA, Rm137 Link to view seminars: http://nia-mediasite.nianet.org/NIAMediasite100/Catalog/Full/d374119e838c48bc9e3126aea146ffa321 Abstract: This talk will present new source term quadrature formulas for preserving third-order accuracy of the edge-based discretization for conservation laws with…
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12-13-2016 | Venkat Raman: Understanding the Role of Thermal Non-equilibrium in Scramjet Flows
Topic: 80th NIA CFD Seminar: Understanding the Role of Thermal Nonequilibrium in Scramjet Flows Date: Tuesday, December 13, 2016 Time: 11:00am-noon (EST) Room: NIA, Rm137 Speaker: Venkat Raman Web Link: http://nia-mediasite.nianet.org/NIAMediasite100/Play/d89f0e59799746d781080ef2b56cf9ee1d Bio: Venkat Raman received his Ph.D. from Iowa State University in 2003 in the department of chemical engineering. He was a NASA/Center for Turbulence Research Postdoctoral…
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10-17-2016 | Yi Liu: Implementation of Third-Order Edge-Based Scheme into FUN3D for Steady and Unsteady Flows, Part I: Third-order Inviscid and Second-order Hyperbolic Navier-Stokes Schemes
Title: Â 79th NIA CFD Seminar:Â Implementation of Third-Order Edge-Based Scheme into FUN3D for Steady and Unsteady Flows, Part I: Third-order Inviscid and Second-order Hyperbolic Navier-Stokes Schemes Date:Â Monday, October 17, 2016 Time:Â 11:00am-noon (EST) Room: NIA, Rm137 Speaker: Yi Liu Media Site Link: http://nia-mediasite.nianet.org/NIAMediasite100/Play/a5b45fe5c96342e899df58b33cafba8d1d Abstract:Â This talk is to present the implementation of third-order-inviscid implicit edge-based solvers for three-dimensional…
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09-27-2016 | Juliette Pardue: Parallel Two-Dimensional Unstructured Anisotropic Delaunay Mesh Generation of Complex Domains for Aerospace Applications
Title: 78th NIA CFD Seminar: Parallel Two-Dimensional Unstructured Anisotropic Delaunay Mesh Generation of Complex Domains for Aerospace Applications Speaker: Juliette Pardue, PhD Candidate, ODU Date: September 27, 2016 Location: NIA, Room 137 Time: 11:00am Weblink: http://nia-mediasite.nianet.org/NIAMediasite100/Play/95bef094a88843178d3fdf09922a9bdb1d Abstract: In this paper, we present a bottom-up approach to parallel anisotropic mesh generation by building a mesh generator from…
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05-18-2016 | Alireza Mazaheri: High-Order Discontinuous-Galerkin Schemes using Hyperbolic First-Order System Approach
Topic: 76th NIA CFD Seminar: High-Order Discontinuous-Galerkin Schemes using Hyperbolic First-Order System Approach; same DoF as conventional but more accurate Date: Wednesday, May 18, 2016 Time: 11:00am – 12:00pm (EST) Room: NIA, Room 137 Speaker: Alireza Mazaheri Abstract: We propose arbitrary high-order discontinuous Galerkin (DG) schemes that are designed based on a first-order hyperbolic advection-diffusion formulation of the target governing…