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DTSTART;TZID=America/Los_Angeles:20190301T121000
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DTSTAMP:20260427T021359
CREATED:20190226T215531Z
LAST-MODIFIED:20190226T215639Z
UID:64409-1551442200-1551445200@tricities.wsu.edu
SUMMARY:MME Seminar Series: The Dynamics and Thermodynamics of Gas Dynamic Shock Waves
DESCRIPTION:This seminar presents a computational investigation of shock-wave structures through a novel\nimplicit high-order Galerkin finite element Runge–Kutta algorithm. The algorithm induces no spatial\ndiscretization artificial diffusion\, relies on cubic and higher-degree elements for an accurate resolution\nof the steep shock gradients\, uses an implicit time integration for swift convergence to steady states\,\nand employs original Neumann-type outlet boundary conditions in the form of generalized Rankine\nHugoniot conditions on normal stress and balance of heat flux and deviatoric-stress work per unit time.\nThrough an innovative approach\, the formulation also calculates the shock extent\, which is an additional\nunknown\, and employs the single non dimensional (0\, 1) computational domain for the determination\nof any shock structure. The algorithm rapidly generates steady shock structures\, in at most 150 time\nsteps for any upstream Mach number considered in this study\, in the range 1.05 < M < 10.0. The finite\nelement discretization is shown to be asymptotically convergent under progressive grid refinements\, in\nrespect of both the H0 and H1 error norms\, with an H0 accuracy order as high as 6 and reduction of the\ndiscretization error to the round-off-error threshold of 1 x10-9 with just 420 computational cells and\n5th-degree elements. For any upstream Mach number\, the computational results are shown to satisfy the\nRankine–Hugoniot conditions\, an established requirement for solution reliability. \nMME Seminar_Flyer_Iannelli_03.01.2019 \n 
URL:https://tricities.wsu.edu/event/mme-seminar-series-the-dynamics-and-thermodynamics-of-gas-dynamic-shock-waves/
LOCATION:BSEL 102
CATEGORIES:academic,Calendar,student,university
ORGANIZER;CN="Changki Mo":MAILTO:changki.mo@wsu.edu
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