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  • unstructured mesh generation  (2)
  • Aspergillus ochraceus  (1)
  • CFD (computational fluid dynamics)  (1)
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Material
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Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Effect of inoculum density, nitrogen source and saprophytic fungi on Fusarium wilt of Mexican lime (1984)
    Springer
    Plant and soil 79 (1984), S. 203-210 
    Details
    ISSN: 1573-5036
    Keywords: Aspergillus ochraceus ; Citrus ; Fungal antagonism ; Pencillium funiculosum ; pH effect ; Trichoderma harzianum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Mexican lime seedlings were inoculated with 0, 500, 1000, 2000, 4000 and 8000 microconidia ofFusarium oxysporum f. sp.citri per gram of potting media. The percent infection and mean disease severity rating increased with increasing inoculum density of the pathogen. In potting mix infested withAspergillus ochraceus, Penicillium funiculosum andTrichoderma harzianum at 5000 conidia per gram 2 weeks prior to infestation withF. oxysporum f. sp.citri at 0, 1000, 4000, and 8000 microconidia per gram,A. ochraceus reduced,P. funiculosum increased andT. harzianum had no effect on disease severity or pathogen population. OnlyP. funiculosum showed antagonistic activityin vitro against the pathogen. Disease severity and pathogen propagule densitites were greater and pH was lower in potting media fertilized with NH4−N than in media fertilized with NO3−N.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02182342
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Mesh generation and adaptivity for the solution of compressible viscous high speed flowsBased upon papers originally presented at the 11th AIAA Computational Fluid Dynamics Conference, 6-9 July 1993, Orlando, Florida, U.S.A. and at the Royal Aeronautical Society European Forum on Recent Developments and Applications in Aeronautical CFD, 1-3 September 1993, Bristol. U.K. (1995)
    Chichester [u.a.] : Wiley-Blackwell
    International Journal for Numerical Methods in Engineering 38 (1995), S. 1123-1148 
    Details
    ISSN: 0029-5981
    Keywords: line relaxation ; unstructured mesh generation ; adaptivity ; compressible Navier-Stokes equations ; Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mathematics , Technology
    Notes: An implicit-explicit procedure for the solution of the compressible Navier-Stokes equations on unstructured triangular and tetrahedral meshes is outlined. A procedure for constructing continuous lines, made up of edges in the mesh, is employed and the implicit equation system is solved via line relaxation. The problem of generating, and adapting, unstructured meshes for viscous flow simulations is addressed. A number of examples are included which demonstrate the numerical performance of the proposed procedures.
    Additional Material: 26 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/nme.1620380704
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    UNSTRUCTURED TETRAHEDRAL MESH GENERATION FOR THREE-DIMENSIONAL VISCOUS FLOWS (1996)
    Chichester [u.a.] : Wiley-Blackwell
    International Journal for Numerical Methods in Engineering 39 (1996), S. 549-567 
    Details
    ISSN: 0029-5981
    Keywords: unstructured mesh generation ; viscous compressible flows ; Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mathematics , Technology
    Notes: A method of generating general tetrahedral meshes suitable for use in viscous flow simulations is proposed. The approach which is followed consists of the initial generation of a number of unstructured layers of highly stretched elements, in the vicinity of solid walls, followed by the discretisation of the remainder of the domain, by a standard advancing front procedure. The numerical performance of the proposed methodology is demonstrated by the generation of meshes suitable for viscous flow analysis over a number of three-dimensional aerodynamic configurations of current practical interest.
    Additional Material: 18 Ill.
    Type of Medium: Electronic Resource
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    Paper (German National Licenses)
  • 4
    Electronic Resource
    Electronic Resource
    A general algorithm for compressible and incompressible flow - Part II. tests on the explicit form (1995)
    Chichester : Wiley-Blackwell
    International Journal for Numerical Methods in Fluids 20 (1995), S. 887-913 
    Details
    ISSN: 0271-2091
    Keywords: compressible flow ; CFD (computational fluid dynamics) ; finite elements in fluids ; 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 algorithm introduced in Part I of this paper is applied in its explicit form to a variety of problems in order to demonstrate its wide range of applicability and excellent performance. Examples range from nearly incompressible, viscous, flows through transonic applications to high speed flows with shocks. In most examples linear triangular elements are used in the finite element approximation, but some use of quadratic approximation, again in triangles, indicates satisfactory performance even in the case of severe shocks.
    Additional Material: 23 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/fld.1650200813
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    Paper (German National Licenses)
    Fulltext
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