Preconditioning Based on a Partially Implicit Implementation of Momentum Interpolation for Coupled Solvers
作者： Ana Cubero , Norberto Fueyo
DOI: 10.1080/10407790802035281
关键词: Momentum 、 Laminar flow 、 Vortex shedding 、 Continuity equation 、 Constant (mathematics) 、 Mathematics 、 Mathematical analysis 、 Discretization 、 Interpolation 、 Reynolds number
摘要: A new implicit and coupled algorithm for solving the Navier-Stokes equations is presented. discretized Poisson-like equation pressure derived from continuity by using expressions face velocities corrected with momentum interpolation approach. partially implementation of this proposed in order to achieve coupling velocity without increasing size computational molecule. The ability solve both constant- variable-density flows shown presenting numerical results lid-driven cavity flow at moderate high Reynolds numbers, buoyancy-driven large temperature differences. fully scheme used discretizing transient terms, efficiency accuracy unsteady laminar vortex shedding over a square cylinder.
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