The Patch Test of Numerical Manifold Schemes with Mixed Cover Coupled Velocity and Pressure for Steady N-S Equations

Shu Ping Chen; Zheng Rong Zhang; Jin Hua Yan

doi:10.4028/www.scientific.net/AMR.378-379.68

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 378-379The Patch Test of Numerical Manifold Schemes with...

The Patch Test of Numerical Manifold Schemes with Mixed Cover Coupled Velocity and Pressure for Steady N-S Equations

Abstract:

In numerical manifold schemes for direct solution of steady Navier-Stokes equations, mixed cover for velocity and pressure was adopted in finite element cover system. The patch test of numerical schemes was investigated, mixed cover manifold element has been proved to meet the stability conditions, and can be applied to directly solve Navier-Stokes equations coupled velocity and pressure. As an application, the numerical manifold schemes were used to simulate the steady flow past a step. Numerical solutions illustrate the stability of numerical manifold schemes, and it indicates that manifold method is an effective numerical method for steady Navier-Stokes equations.

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Periodical:

Advanced Materials Research (Volumes 378-379)

Pages:

68-71

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.378-379.68

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Online since:

October 2011

Authors:

Shu Ping Chen, Zheng Rong Zhang, Jin Hua Yan

Keywords:

N-S Equations, Numerical Manifold Schemes, Numerical Stability, Patch Test

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