NDLI: Immersed boundary method for Boltzmann model kinetic equations

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Immersed boundary method for Boltzmann model kinetic equations

Content Provider	Semantic Scholar
Author	Pekardan, Cem Sruti Chigullapalli Sun, Lin Alexeenko, Alina
Copyright Year	2016
Abstract	Three different immersed boundary method formulations are presented for Boltzmann model kinetic equations such as Bhatnagar-Gross-Krook (BGK) and Ellipsoidal statistical Bhatnagar-Gross-Krook (ESBGK) model equations. 1D unsteady IBM solution for a moving piston is compared with the DSMC results and 2D quasi-steady microscale gas damping solutions are verified by a conformal finite volume method solver. Transient analysis for a sinusoidally moving beam is also carried out for the different pressure conditions (1 atm, 0.1 atm and 0.01 atm) corresponding to Kn=0.05,0.5 and 5. Interrelaxation method (Method 2) is shown to provide a faster convergence as compared to the traditional interpolation scheme used in continuum IBM formulations. Unsteady damping in rarefied regime is characterized by a significant phase-lag which is not captured by quasi-steady approximations.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://docs.lib.purdue.edu/cgi/viewcontent.cgi?article=1042&context=aaepubs
Language	English
Access Restriction	Open
Subject Keyword	Approximation Bhatnagar–Gross–Krook operator Convergence (action) Data Interpretation, Statistical Direct simulation Monte Carlo Finite volume method Gross motor development delay Horner's method Immersed boundary method Inclusion Body Myositis (disorder) Interpolation Kinetics STMN1 gene Solutions Solver Triune continuum paradigm
Content Type	Text
Resource Type	Article

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