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  • ASTRONOMY  (1)
  • finite elements  (1)
  • internal shear strain  (1)
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  • 1
    Digitale Medien
    Digitale Medien
    Geometrically nonlinear analysis of mindlin plate using the incompatible bending elements with internal shear strain (1994)
    Springer
    Applied mathematics and mechanics 15 (1994), S. 507-516 
    Details
    ISSN: 1573-2754
    Schlagwort(e): internal shear strain ; geometrically nonlinear shear locking ; consistency condition
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Maschinenbau , Mathematik , Physik
    Notizen: Abstract An approach of the incompatible elements with additional internal shear strain is, in the present paper, suggested and applied to geometrically nonlinear analysis of Mindlin plate bending problem. It provides a quite covenient way to avoid the shear locking troubles. An energy consistency condition for this kind of C° elements is offered. The nonlinear element formulations and some numerical results are presented.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02450763
    Standort Signatur Erwartet Verfügbarkeit
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    Artikel (Nationallizenzen)
    Volltext
  • 2
    Digitale Medien
    Digitale Medien
    A NEW FORMULATION OF ISOPARAMETRIC FINITE ELEMENTS AND THE RELATIONSHIP BETWEEN HYBRID STRESS ELEMENT AND INCOMPATIBLE ELEMENT (1997)
    Chichester [u.a.] : Wiley-Blackwell
    International Journal for Numerical Methods in Engineering 40 (1997), S. 15-27 
    Details
    ISSN: 0029-5981
    Schlagwort(e): formulation ; finite elements ; isoparametric ; hybrid stress ; incompatible ; Engineering ; Numerical Methods and Modeling
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Mathematik , Technik allgemein
    Notizen: A new method of formulating isoparametric finite element is developed, and the element strains are proposed to be resolved into two parts, constant part and higher-order one. The new method indicates two important properties of isoparametric finite element, and the equivalent relationship between hybrid stress elements and incompatible elements. © 1997 by John Wiley & Sons, Ltd.
    Zusätzliches Material: 1 Ill.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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    Artikel (Nationallizenzen)
  • 3
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    Unbekannt
    Observations of the X-ray Nova GRO J0422+32. 1: Outburst and the decay to quiescence (1995)
    In:  Other Sources
    Details
    Publikationsdatum: 2019-07-13
    Beschreibung: We present optical photometry and spectroscopy and Burst and Transient Source Experiment (BATSE) observations of the X-ray nova GRO J0422+32, obtained during outburst and its subsequent decay to quiescence. Although the X-ray and optical properties of GRO J0422+32 are broadly similar to those of other X-ray novae, it is unique in several respects. The unusually protracted decay to quiescence of the optical light curve has been punctuated by at least two minioutbursts of approximately 4 mag. The BATSE and optical outbursts are each separated by approximately 120 days. We find that the optical luminosity of GRO J0422+32 during the primary outburst is dominated by reprocessing of E greater than 10 keV X-rays. In contrast, the optical minioutbursts are most likely generated by an intrinsically bright disk rather than X-ray reprocessing: they do not appear to have any X-ray counterparts. Extremely broad (up to 6000 km/s FWZI) absorption lines have also been observed during both primary outbursts and minioutbursts. During the second minioutburst, H-alpha and H-beta emission was observed superposed on redshifted absorption features. We find that the interoutburst light curve of GRO J0422+32 may be inconsistent with an accretion disk instability as the origin of the minioutbursts. Finally, a transient 5.1/10.2 hr modulation, which may be related to the orbital period, has been observed during roughly half of our observations. However, confirmation of the orbital period must await observations in quiescence.
    Schlagwort(e): ASTRONOMY
    Materialart: Astrophysical Journal, Part 1 (ISSN 0004-637X); 441; 2; p. 786-799
    Format: text
    Standort Signatur Erwartet Verfügbarkeit
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