Alleviation of cancellation problem of preconditioned Navier–Stokes equations |
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Authors: | Sang-Hyeon Lee |
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Institution: | Department of Aerospace Engineering, University of Ulsan, Mugeo-Dong, Nam-Gu, Ulsan 680-749, Republic of Korea |
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Abstract: | An approach to alleviate the cancellation problem of preconditioned Navier-Stokes equations is proposed. Adiabatic laminar viscous flows around a circular cylinder are calculated at different Mach numbers. It is shown that a redefinition of total enthalpy to reduce the magnitude of total enthalpy can alleviate the cancellation problem for adiabatic laminar flows at low Mach numbers. |
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Keywords: | Cancellation problem Preconditioning Navier-Stokes equations |
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