Abstract
This paper describes a finite volume discretization method to compute steady, two-dimensional incompressible viscous recirculating flows using hybrid unstructured meshes, composed of triangles and quadrilaterals. However, the proposed formulation is not restricted to these topologies.The new method includes a second-order least squares scheme for convection discretization, and a fractional step projection method based on a staggered grid arrangement for pressure velocity coupling. Numerical results are reported to demonstrate the robustness, second-order accuracy, and flexibility of the proposed method.To the authors' knowledge, this paper represents the first general unstructured grid finite volume method to achieve full second-order accuracy for the steady incompressible 2D version of Navier–Stokes equations.
Published Version
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