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62nd NIA CFD Seminar Webcast: Is Curved-Element a Necessity for all High-Order Schemes? by Alireza Mazaheri

Posted By: HN
Date:Mon, 7 Sep 2015, 4:30 p.m.

62nd NIA CFD Seminar

Topic: Is Curved-Element a Necessity for all High-Order Schemes?

Date: Tuesday, September 08, 2015

Time: 11:00am-noon (EST)

Room: NIA, Rm137

Speaker: Alireza Mazaheri

Speaker Bio: Dr. Alireza Mazaheri is a Computational Aerothermodynamicist at NASA Langley Research center. He earned his BS from Guilan University in Fluid Mechanics, MS from Shiraz University in Thermo-Fluid Engineering, and PhD from Clarkson University in Mechanical Engineering. He then worked as a National Research Academies (NRC) postdoctoral research fellow at the US Dept. of Energy before working in academies and industries (e.g., McGowan Inst. for Regenerative Medicine, Pittsburgh University, and Parsons Inc.). Alireza then joined NASA in 2006 and has been involved in several NASA programs/projects since then, including the Space Shuttle, Orion Multi-Purpose Crew Vehicle (MPCV), Dream Chaser, Hypersonic Inflatable Aerodynamic Decelerator (HIAD), High Energy Atmospheric Reentry Test (HEART), etc. He is currently focusing on advancing the state of the art CFD technology by developing schemes that are capable in producing accurate solution gradients (e.g., heat flux, shear stresses, etc.) on purely tetrahedral elements.

Abstract: In this talk, which covers part of a recent JCP paper we published , we present a new efficient third-order scheme that is capable in producing accurate and smooth solution gradients on irregular triangular elements. We discuss, in depth, how this scheme is constructed and why this scheme produces truly third-order solution and solution gradients on linear (straight-sided) elements even for geometries containing curved boundaries that are represented with straight edges. At the end we also show a (universal) technique in evaluating high-order integrated quantities (using high-order data) on curved boundaries.

Additional information, including the webcast link, can be found at the NIA CFD Seminar website, which is temporarily located at

NIA CFD Seminar Website

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