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作者:Vinay Kumar , Atul Sharma , R.K. Singh
来源:[J].Computers and Fluids(IF 1.467), 2020, Vol.196
摘要:Abstract(#br)The present work combines easy to implement high resolution central upwind scheme (CUS) with a ghost cell based discrete forcing immersed boundary method (IBM) and proposes a novel CUS-IBM finite volume solver to simulate high-speed compressible inviscid/viscous flows...
作者:Z. Jibben , J. Velechovsky , T. Masser ...
来源:[J].Computers and Mathematics with Applications(IF 2.069), 2019, Vol.78 (2), pp.504-516
摘要:Abstract(#br)We present a numerical approach to model surface tension between immiscible materials within an inviscid compressible flow solver. The material interface is represented using the volume of fluid technique with piecewise-linear interface reconstructions. We emplo...
作者:Linhai Qiu , Wenlong Lu , Ronald Fedkiw
来源:[J].Journal of Computational Physics(IF 2.138), 2016, Vol.305, pp.75-110
摘要:Abstract(#br)We present a novel method for simulating compressible flow on a multitude of Cartesian grids that can rotate and translate. Following previous work, we split the time integration into an explicit step for advection followed by an implicit solve for the pressure. ...
作者:J. Pérez-García , E. Sanmiguel-Rojas , A. Viedma
来源:[J].Applied Mathematical Modelling(IF 1.706), 2010, Vol.34 (12), pp.4289-4305
摘要:Abstract(#br)A new coefficient to characterize the global behaviour of adiabatic compressible flow at T-junctions is proposed. The new coefficient is defined according to the conclusions derived from the uncertainty propagation analysis of the total pressure loss coefficient de...
作者:Ronald N. Kostoff , Russell M. Cummings
来源:[J].Aerospace Science and Technology(IF 0.873), 2013, Vol.26 (1), pp.216-234
摘要:Abstract(#br)High-speed flow research has been sponsored and performed at differing levels of effort since the late 1800s. For example, hypersonic research has experienced numerous cycles since the 1950s, with various periods of high research activity, followed by equally long ...
作者:Debanjana Mitra , M. Renardy
来源:[J].Nonlinear Analysis: Real World Applications(IF 2.201), 2017, Vol.37, pp.94-136
摘要:Abstract(#br)We consider compressible flow with periodic boundary conditions. In a neighborhood of a state of constant density and nonzero velocity, we prove exact null controllability of the system with a control localized in space and acting only on the momentum equation.
作者:Kun Luo , Zhenya Zhuang , Jianren Fan ...
来源:[J].International Journal of Heat and Mass Transfer(IF 2.315), 2016, Vol.92, pp.708-717
摘要:Abstract(#br)In this paper we describe the implementation of a ghost-cell immersed boundary method for compressible flow with Dirichlet, Neumann and Robin boundary conditions. A general second-order reconstruction scheme is proposed to enforce the boundary conditions via ghost po...
作者:Renato V. Linn , Armando M. Awruch
来源:[J].Engineering with Computers(IF 0.6), 2017, Vol.33 (4), pp.1007-1025
摘要:An adaptation procedure using refinement, coarsening and smoothing with anisotropic considerations for unstructured meshes and its coupling with a compressible flow solver is presented in this work. The developed refinement strategy combines a Riemannian centred split of the edge...
作者:Enrique Ortega , Roberto Flores , Eugenio Oñate ...
来源:[J].Computational Mechanics(IF 2.432), 2017, Vol.60 (2), pp.219-233
摘要:An a-posteriori error estimate with application to inviscid compressible flow problems is presented. The estimate is a surrogate measure of the discretization error, obtained from an approximation to the truncation terms of the governing equations. This approximation is calculate...
作者:Fei Xu , George Moutsanidis , David Kamensky ...
来源:[J].Computers and Fluids(IF 1.467), 2017, Vol.158, pp.201-220
摘要:Abstract(#br)A novel stabilized formulation for 3D compressible viscous flows on moving domains is developed. New weak imposition of essential boundary conditions and sliding-interface formulations are also proposed in the context of moving-domain compressible flows. The new form...

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