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  • 1
    Electronic Resource
    Electronic Resource
    A constitutive equation for a non-Newtonian liquid (1992)
    Springer
    Rheologica acta 31 (1992), S. 3-13 
    Details
    ISSN: 1435-1528
    Keywords: Liquid ; non-Newtonian liquid ; constitutive equation ; principal stretches
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Abstract The K-BKZ constitutive equation for non-Newtonian liquids usually uses as invariants the coefficients of the characteristic equation of a certain finite strain tensor. We show that the use of the roots of this equation, the squares of the principal stretches, is more efficient. We use a product of the linear relaxation spectrum and a simple sum of powers of the principal stretches as the “energy function” in the K-BKZ theory. The predictions of this theory agree with Meissner's data to a good approximation over many decades.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00396462
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  • 2
    Electronic Resource
    Electronic Resource
    The free surface flow of Newtonian and non-Newtonian fluids trapped by surface tension (1988)
    Chichester : Wiley-Blackwell
    International Journal for Numerical Methods in Fluids 8 (1988), S. 1011-1027 
    Details
    ISSN: 0271-2091
    Keywords: Free Surface ; Finite Element Method ; Surface Tension ; Newtonian and Non-Newtonian 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: In this paper the position of the free surface of a swirling fluid held in by surface tension is calculated by the finite element method. A new locally mass-conserving quadratic velocity, linear pressure triangular element is used to overcome non-physical solutions produced by the well known Taylor-Hood element.
    Additional Material: 13 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/fld.1650080904
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    Paper (German National Licenses)
    Fulltext
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