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  • 1
    Monograph available for loan
    Monograph available for loan
    An introduction to soil dynamics (2010)
    Dordrecht [u.a.] : Springer
    Associated volumes
    Details Availability
    Call number: 11/M 16.89756
    In: Theory and applications of transport in porous media
    Description / Table of Contents: This book presents the basic principles of soil dynamics, and a variety of solutions of practical interest for geotechnical engineering, geophysics and earthquake engineering. Emphasis is on analytical solutions, often including the full derivation of the solution, and giving the main parts of computer programs that can be used to calculate numerical data. Reference is also made to a website from which complete computer programs can be downloaded. Soil behaviour is usually assumed to be linear elastic, but in many cases the effect of viscous damping or hysteretic damping, due to plastic deformations, is also considered. Special features are: the analysis of wave propagation in saturated compressible porous media, approximate analysis of the generation of Rayleigh waves, the analysis of the response of soil layers to earthquakes in the deep rock, with a theoretical foundation of such problems by the propagation of Love waves, and the solution of such basic problems as the response of an elastic half space to point loads, line loads, strip loads and moving loads.
    Type of Medium: Monograph available for loan
    Pages: XIV, 433 S. , 195 schw.-w. Ill., 6 schw.-w. Tab , 1 CD-ROM , 235 mm x 155 mm
    ISBN: 9789048134403 (Book with DVD.) , 9789048134410
    Series Statement: Theory and applications of transport in porous media 24
    URL: Inhaltsverzeichnis
    URL: Inhaltsverzeichnis
    Language: English
    Location: Reading room
    Branch Library: GFZ Library
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  • 2
    Monograph available for loan
    Monograph available for loan
    Computational geomechanics (1995)
    Dordrecht [u.a.] : Kluwer
    Associated volumes
    Details Availability
    Call number: 11/M 95.0444
    In: Theory and applications of transport in porous media
    Type of Medium: Monograph available for loan
    Pages: viii, 383 S. + 1 Disc.
    ISBN: 0792334078
    Series Statement: Theory and applications of transport in porous media 7
    Classification:
    C.3.6.
    Language: English
    Location: Reading room
    Branch Library: GFZ Library
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  • 3
    Electronic Resource
    Electronic Resource
    Displacement functions in the theory of consolidation or in thermoelasticity (1971)
    Springer
    Zeitschrift für angewandte Mathematik und Physik 22 (1971), S. 891-898 
    Details
    ISSN: 1420-9039
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Physics
    Notes: Zusammenfassung In dieser Arbeit wird eine Übersicht gegeben von Lösungsmethoden für Probleme der Konsolidierung eines elastischen Bodens mittels Verschiebungspotentialen. Durch eine Verallgemeinerung der üblichen Funktionen sind jetzt auch Lösungen möglich für einige Klassen von Thermoelastizitätsproblemen oder Konsolidierungsproblemen bei zusammendrückbarem Porenwasser.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01591816
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  • 4
    Electronic Resource
    Electronic Resource
    Stresses due to gravity in a notched elastic half-plane (1969)
    Springer
    Archive of applied mechanics 38 (1969), S. 107-118 
    Details
    ISSN: 1432-0681
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Übersicht In der vorliegenden Arbeit werden die Spannungen berechnet, die durch das Gewicht des Materials in einem elastischen, im Unendlichen einer Halbebene ähnlichen Gebiet verursacht werden. Die Berechnungsmethode ist eine Verallgemeinerung bekannter funktionentheoretischer Verfahren. Die Methode ist ihrem Prinzip nach nicht für Gebiete mit Ecken anwendbar. Es wird jedoch angegeben, wie man in solchen Fällen eine Näherungslösung mit Hilfe einer näherungsweisen, konformen Abbildung auf den Einheitskreis finden kann. Für ein spezielles Beispiel werden Ergebnisse angegeben.
    Notes: Summary A method for the calculation of elastic stresses due to gravity in regions approximating a lower half-plane at infinity is presented. The method is based on an extension of familiar complex variable techniques. In principle the method fails for the case of a contour with corner points. However it is shown that an approximate solution for such regions can be obtained utilizing an approximate conformai transformation onto a unit circle. For a special case, results are given.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00542574
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  • 5
    Electronic Resource
    Electronic Resource
    Finite element modeling of transport in porous media (1994)
    Springer
    Flow, turbulence and combustion 48 (1994), S. 129-139 
    Details
    ISSN: 1573-1987
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Modern computational techniques enable, in principle, the modeling of transport in porous media, involving convection, adsorption and dispersion. Implementation of the techniques for practical problems leads to various difficulties, however. One of these is the difference in horizontal and vertical scales in natural situations; other difficulties encountered are numerical dispersion and the flow near singularities. In order to overcome these difficulties a two-dimensional flow model has been adapted to incorporate three-dimensional velocity components. This procedure takes into account that in regional flow fields the horizontal flow components in aquifers are much larger than the vertical components, and yet it enables to observe transport in vertical direction. Numerical dispersion is suppressed by particle tracking.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02027963
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  • 6
    Electronic Resource
    Electronic Resource
    Advective transport in a multilayered system of aquifers (1993)
    Springer
    Transport in porous media 12 (1993), S. 31-42 
    Details
    ISSN: 1573-1634
    Keywords: Finite elements ; advection ; adsorption ; pollution transport
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Technology
    Notes: Abstract A three-dimensional model of transport in porous media, consisting of several aquifers and aquitards, is presented. In the solution procedure a two-dimensional flow model has been adapted to incorporate three-dimensional velocity components. This procedure enables to observe the way particles of a pollutant are being transported through the system of aquifers and aquitards, while maintaining the Dupuit assumption of zero vertical gradients of the hydraulic head in the aquifers. The governing equations are solved using a finite element technique. The transport of pollutants is restricted to advective transport and linear adsorption.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00616360
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  • 7
    Electronic Resource
    Electronic Resource
    An accuracy condition for consolidation by finite elements (1981)
    New York, NY [u.a.] : Wiley-Blackwell
    International Journal for Numerical and Analytical Methods in Geomechanics 5 (1981), S. 1-14 
    Details
    ISSN: 0363-9061
    Keywords: Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Architecture, Civil Engineering, Surveying , Geosciences
    Notes: Finite element solutions of consolidation problems often exhibit oscillating pore pressures, which tend to increase when the time steps are reduced. This phenomenon is investigated and a lower limit for the time steps is derived, in terms of the mesh size and the coefficient of consolidation near the draining boundary.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/nag.1610050103
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  • 8
    Electronic Resource
    Electronic Resource
    Finite element calculations on a micro-computer (1980)
    Chichester [u.a.] : Wiley-Blackwell
    International Journal for Numerical Methods in Engineering 15 (1980), S. 1570-1574 
    Details
    ISSN: 0029-5981
    Keywords: Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mathematics , Technology
    Notes: A method is presented for solving field problems using a finite element formulation, to be executed with the aid of a micro-computer. In order to reduce the requirements regarding memory space, the coefficients of the matrix defining the system of equations are not stored, but calculated when they are needed, in a modification of the usual finite element procedure. The method is applicable to all problems for which Gauss-Seidel iteration converges, and can handle problems involving more than 100 degrees-of-freedom on a computer with 8,000 bytes memory. Computing time may run up to several minutes per cycle of iteration, but on a small, personal computer, this is still acceptable.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/nme.1620151013
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  • 9
    Electronic Resource
    Electronic Resource
    Letters to the editor (1983)
    New York, NY [u.a.] : Wiley-Blackwell
    International Journal for Numerical and Analytical Methods in Geomechanics 7 (1983), S. 385-393 
    Details
    ISSN: 0363-9061
    Keywords: Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Architecture, Civil Engineering, Surveying , Geosciences
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/nag.1610070309
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  • 10
    Electronic Resource
    Electronic Resource
    A COMPLEX VARIABLE SOLUTION FOR A DEFORMING CIRCULAR TUNNEL IN AN ELASTIC HALF-PLANE (1997)
    New York, NY [u.a.] : Wiley-Blackwell
    International Journal for Numerical and Analytical Methods in Geomechanics 21 (1997), S. 77-89 
    Details
    ISSN: 0363-9061
    Keywords: elasticity ; tunnel ; complex variables ; Engineering ; Civil and Mechanical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Architecture, Civil Engineering, Surveying , Geosciences
    Notes: An analytical solution is presented of problems for an elastic half-plane with a circular tunnel, which undergoes a certain given deformation. The solution uses complex variables, with a conformal mapping onto a circular ring. The coefficients in the Laurent series expansion of the stress functions are determined by a combination of analytical and numerical computations. As an example the case of a uniform radial displacement of the tunnel boundary is considered in some detail. It appears that a uniform radial displacement is accompanied by a downward displacement of the tunnel as a whole. This phenomenon also means that the distribution of the apparent spring constant is strongly non-uniform. © 1997 by John Wiley & Sons, Ltd.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
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