Within the framework of lumped mass/upgraded beam theory in which rotatory and elastic shear deformation effects are considered, the title analysis is made for the case of large realistic lead-shielded, cylindrical stainless-steel shipping casks equipped with end impact limiters. A computerized study is first developed for the dynamic response analysis of elastic and elastic-viscoplastic beams and frames and subsequently used in the cask impact response analysis study. Three types of impact limiter reaction force pulses are considered and three simplified analysis techniques (i.e. quasi-static, dynamic amplification factor and elementary beam analysis techniques) used in shipping cask design are evaluated. In particular effects of shear deformation and rotatory inertia on elastic impact responses and strain rate sensitivity effects on inelastic dynamic cask response behavior are studied. Appropriate guidelines are formulated for: (1) general use of these techniques in impact design analysis and (2) treating strain rate sensitivity effects on material strength properties in conjunction with use of elastic, limit and elastic-plastic design analysis methods. (Peters)
Elastic and viscoplastic impact bending response analysis of nuclear shipping cask structures
Elastische und viskoplastische Untersuchung des Schlagbiegeverhaltens bei Frachttonnen zur Verschiffung von Kernbrennstoffen
ASME-Papers ; 1-11
1979
11 Seiten, 14 Bilder, 17 Quellen
Conference paper
English
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