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A Hybrid MacCormack-type Scheme for ComputationalAeroacoustics

by Soroush Yazdani

Institution:	University of Toledo
Year:	2017
Keywords:	Mechanical Engineering; Aerospace Engineering
Posted:	02/01/2018
Record ID:	2162618
Full text PDF:	http://rave.ohiolink.edu/etdc/view?acc_num=toledo1461921601

Abstract

A new type of MacCormack scheme, using a modified LowDissipation and DispersionRunge-Kutta time marching method, ispresented. This scheme is using two stages in every stepwhichimplements biased spatial differencing stencils and for theremaining stages uses non-dissipative centraldifferencingstencils.Because of using the MacCormack-type scheme in thismethod, the new scheme carries an inherentartificial dissipationwhich uses the ease of implementing boundary conditionspecificationsof a two-stage MacCormack scheme.Advisors/Committee Members: Hixon, Ray (Committee Chair).