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  • 1
    Electronic Resource
    Electronic Resource
    UNSTEADY TWO-DIMENSIONAL TURBULENT VISCOUS FLOW PAST AEROFOILS (1997)
    Chichester : Wiley-Blackwell
    International Journal for Numerical Methods in Fluids 25 (1997), S. 315-366 
    Details
    ISSN: 0271-2091
    Keywords: viscous flow ; dynamic stall ; turbulent flow ; aerofoils ; Engineering ; Numerical Methods and Modeling
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: The so-called CPI finite volume method is applied to the computation of the deep dynamic stall of a pitching NACA 0012 aerofoil. The evolution of flow sequences is analysed for two turbulence models, the so-called Baldwin-Barth and K-ω SST models, and compared with available data of McAlister et al. The hysteresis loops for the force coefficients are presented for three different reduced frequencies of the pitching motion and compared with experimental data. The agreement with available data is good during the upstroke phase and it is found that the level of disagreement during the downstroke phase can be attributed to the overestimation of the pressure minima within shed vortices. © 1997 John Wiley & Sons, Ltd.
    Additional Material: 10 Ill.
    Type of Medium: Electronic Resource
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    Paper (German National Licenses)
  • 2
    Electronic Resource
    Electronic Resource
    Three-dimensional full Navier-Stokes solvers for incompressible flows past arbitrary geometries (1991)
    Chichester [u.a.] : Wiley-Blackwell
    International Journal for Numerical Methods in Engineering 31 (1991), S. 1427-1451 
    Details
    ISSN: 0029-5981
    Keywords: Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mathematics , Technology
    Notes: The computation of the three-dimensional viscous flow past several geometries is investigated. An iterative technique resting on the fully elliptic mode is applied to the Reynolds-Averaged Navier-Stokes Equations written in a non-orthogonal curvilinear body-fitted co-ordinate system. Results of the computation are compared with available experiments.
    Additional Material: 16 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/nme.1620310713
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Navier-Stokes computations past a prolate spheroid at incidence. II: High incidence case (1993)
    Chichester : Wiley-Blackwell
    International Journal for Numerical Methods in Fluids 16 (1993), S. 1-27 
    Details
    ISSN: 0271-2091
    Keywords: Finite volume ; Navier-Stokes equations ; Collocative methods ; Prolate spheroid ; Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: The computation of incompressible three-dimensional viscous flow is investigated. An iterative fully decoupled technique based on the fully elliptic mode is applied to the Reynolds-averaged-Navier-Stokes equations (RANSE) written down in a non-orthogonal curvilinear body-fitted co-ordinate system. Results of the computations are compared with experimental data past a prolate spheroid at 30° incidence.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/fld.1650160102
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  • 4
    Electronic Resource
    Electronic Resource
    A new fully coupled solution of the Navier-Stokes equations (1994)
    Chichester : Wiley-Blackwell
    International Journal for Numerical Methods in Fluids 19 (1994), S. 605-639 
    Details
    ISSN: 0271-2091
    Keywords: Laminar flow ; Numerical simulation ; Fully coupled methods ; Physical Interpolation ; Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: A fully coupled method for the solution of incompressible Navier-Stokes equations is investigated here. It uses a fully implicit time discretization of momentum equations, the standard linearization of convective terms, a cell-centred colocated grid approach and a block-nanodiagonal structure of the matrix of nodal unknowns. The Method is specific in the interpolation used for the flux reconstruction problem, in the basis iterative method for the fully coupled system and in the acceleration means that control the global efficiency of the procedure. The performance of the method is discussed using lid-driven cavity problems, both for two and three-dimensional geometries, for steady and unsteady flows.
    Additional Material: 12 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/fld.1650190705
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Computation of unsteady laminar viscous flow past an aerofoil using the CPI method (1994)
    Chichester : Wiley-Blackwell
    International Journal for Numerical Methods in Fluids 19 (1994), S. 765-794 
    Details
    ISSN: 0271-2091
    Keywords: Laminar viscous flow ; CPI method ; Aerofoil ; Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: The present work is a discussion of the computation of unsteady laminar incompressible two-dimensional viscous flow past complex geometries. A new physically consistent method is presented for the reconstruction of velocity fluxes which arise from the mass and momentum balance discrete equations. This closure method for fluxes makes possible the use of a cell-centred grid in which velocity and pressure unknowns share the same location while circumventing the occurrence of spurious pressure modes. The method is validated using the impulsively started cylinder problem for circular or aerofoil-like shapes at several Reynolds numbers of the order of 103-104.
    Additional Material: 31 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/fld.1650190903
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    Paper (German National Licenses)
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