Abstract
The Residual Distribution (RD) schemes for unsteady computations are subject of on-going intensive research [1]. Until recently, the RD schemes for unsteady transonic flow simulations had modest success due to difficulties to deal with large time-steps. As the solution, a new Bx scheme was introduced in [3]. The scheme is based on a blend of the non-oscillatory first order lumped mass matrix formulation of the N scheme and the second order full mass matrix formulation of the LDA scheme using a simple pressure switch. In smooth parts of the flow linear stability is sufficient and the LDA scheme is active. In shocks, the N scheme is activated to prevent oscillations in the solution. The blending parameter is smooth, giving superior iterative convergence properties and scaled such that second order of accuracy is achieved. The topic of this paper is the extension of the Bx scheme for the computation on moving meshes with application to transonic flutter computations.
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Dobes, J., Deconinck, H. (2009). An ALE Formulation of the Multidimensional Residual Distribution Scheme for Computations on Moving Meshes. In: Deconinck, H., Dick, E. (eds) Computational Fluid Dynamics 2006. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-92779-2_12
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DOI: https://doi.org/10.1007/978-3-540-92779-2_12
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