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  • 1
    Electronic Resource
    Electronic Resource
    Thermoelastic Stress Analysis of a GRP Tee Joint (1997)
    Springer
    Applied composite materials 4 (1997), S. 283-303 
    Details
    ISSN: 1573-4897
    Keywords: thermoelastic stress analysis ; calibration ; tee joints ; marine structures ; glass fibre reinforced plastics ; SPATE ; non-destructive testing ; finite element modelling
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract A detailed study of the stresses that are developed in a glass reinforced plastic (GRP) tee joint under service loads is described. The joints are fabricated by laminating a boundary angle over a radiused fillet on either side of the ‘tee’. Full-field stress characterisation data is provided by a thermoelastic analysis of the tee joint. Calibration procedures that allow the thermoelastic data to be compared with the results of a finite element analysis are detailed. The results of the thermoelastic analysis are compared with values obtained from the finite element analysis. The applicability of thermoelastic analysis as a validation tool for finite element models of composite materials is assessed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008847922113
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Flumazenil blockade of anxiety following ethanol withdrawal in rats (1997)
    Springer
    Psychopharmacology 131 (1997), S. 354-360 
    Details
    ISSN: 1432-2072
    Keywords: Key words Anxiety ; Benzodiazepines ; Corticotropin-releasing factor ; Elevated plus maze ; Stress
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In previous research, the drug flumazenil has been categorized both as a pure benzodiazepine antagonist and as a benzodiazepine partial agonist. The following studies used an elevated plus maze to test whether flumazenil would exert any antianxiety action in rats. While chlordiazepoxide (3.0 mg/kg), ethanol (0.75 g/kg), and the atypical benzodiazepine zolpidem (1.0 mg/kg) all significantly increased time spent on the open arms and percent open arm entries, flumazenil (1–10 mg/kg) alone did not produce any anxiolytic effects on the maze. Withdrawal from chronic ethanol treatment led to a decrease in open arm time and percent open arm entries. Flumazenil (3.0 mg/kg) blocked these changes, suggesting that the effects of flumazenil are at least partially dependent upon the levels of stress or anxiety in the subjects. An anxiolytic action of flumazenil was not seen following the central administration of the neuropeptide corticotropin-releasing factor (CRF), which reduced open arm time on the elevated plus maze. These results support the hypothesis that the mechanism of action for flumazenil effects on the anxiety observed during ethanol withdrawal involves antagonism of an endogenous benzodiazepine inverse agonist, rather than activity as a partial agonist or blockade of CRF-mediated effects.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002130050303
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    A new formulation for plate and shell finite elements (1990)
    New York, NY [u.a.] : Wiley-Blackwell
    Communications in Applied Numerical Methods 6 (1990), S. 457-470 
    Details
    ISSN: 0748-8025
    Keywords: Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mathematics , Technology
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cnm.1630060606
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Geometrically non-linear analysis of shell structures (1991)
    New York, NY [u.a.] : Wiley-Blackwell
    Communications in Applied Numerical Methods 7 (1991), S. 377-391 
    Details
    ISSN: 0748-8025
    Keywords: Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mathematics , Technology
    Notes: The paper presents a finite element formulation for the geometrically non-linear analysis of shells. The formulation is based on the Hellinger - Reissner approach and uses internal transverse shear stress unknowns to alleviate the problem of shear locking. A ring and a quadrilateral element are presented, together with three examples which demonstrate the accuracy of the elements.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cnm.1630070505
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    Paper (German National Licenses)
    Fulltext
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