Journal of engineering mechanics, Vol. 130 N°3. Journal of Engineering Mechanics - Mars 2004
| Titre : | Journal of engineering mechanics, Vol. 130 N°3. Journal of Engineering Mechanics - Mars 2004 |
| Type de document : | Bulletin |
| Paru le : | 11/11/2006 |
Dépouillements
Article : texte imprimé
Doolin, David M., Auteur ;
Sitar, Nicholas, Auteur ;
Ooi, J. Y., Éditeur scientifique
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Discontinuous deformation analysis (DDA) is a discrete element method that was developed for computing large deformation in fractured rock masses. In this paper we present details of the DDA time integration scheme, where the acceleration is tak[...]
Article : texte imprimé
Prunty, Lyle, Auteur ;
Cheng, Alexander H.-D., Éditeur scientifique
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Two energy balance equations widely used to describe simultaneous transfer of heat and mass in porous media are inconsistent with control volume energy conservation. Potential energy, enthalpy, and internal energy terms are involved in the discr[...]
Article : texte imprimé
Yang, Xiao-Li, Auteur ;
Yin, Jian-Hua, Auteur ;
Victor N. Kaliakin, Éditeur scientifique
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A linear failure criterion is widely used in slope stability analyses. However, the strength envelope of almost all geomaterials has the nature of nonlinearity. This paper computes rigorous upper bounds on slope stability factors under the condi[...]
Article : texte imprimé
Aristizábal-Ochoa, Darío J., Auteur ;
Hahn, Guillermo D., Éditeur scientifique
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The Large-deflection elastic analysis of slender beam-columns of symmetrical cross sections with semirigid connections under end loads (forces and moments) including the effects of out-of-plumbness is developed in a classical manner. The classic[...]
Article : texte imprimé
Suiker, Akke S. j., Auteur ;
Chang, Ching S., Auteur ;
Ooi, J. Y., Éditeur scientifique
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A Novel mesoscale granular continuum model is derived by homogenizing the mechanical behavior of six particles in contact forming an octahedron structure. The elastic behavior at the particle contacts is simulated in accordance with Hertz theory[...]
Article : texte imprimé
Liaw, Chih-Young, Auteur ;
Zheng, Xiang Yuan, Auteur ;
Keh - Han Wang, Éditeur scientifique
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In order to carry out nonlinear dynamic analyses of fixed offshore structures in the frequency domain, polynomial approximations of the distributed drag term, u¦u¦, and inundation drag term, ηu¦u¦, of the Morison forces are studied. The methods [...]
Article : texte imprimé
S. K. Au, Auteur ;
George Deodatis, Éditeur scientifique
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A Probabilistic approach for failure analysis is presented in this paper, which investigates the probable scenarios that occur in case of failure of engineering systems with uncertainties. Failure analysis can be carried out by studying the stat[...]
Article : texte imprimé
MacBain, Keith, Auteur ;
Spillers, William R., Auteur ;
Ghanem, Roger G., Éditeur scientifique
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This paper explores the use of mass/stiffness eccentricity in simple buildings to damp the response to excitation due to base motion. Examples include one- and two-story buildings when discussing low-rise structures and shear beams when discussi[...]
Article : texte imprimé
Tsai, Christina W., Auteur ;
Keh - Han Wang, Éditeur scientifique ;
Yen, Ben C., Auteur ;
Chow, V. T., Auteur
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Propagation of shallow water waves in viscous open-channel flows that are convectively accelerating or decelerating under gradually varying water surface profiles is theoretically investigated. Issues related to the hydrodynamics of wave propaga[...]
Article : texte imprimé
Wang, Sheng-Guo, Auteur ;
Roschke, Paul N., Auteur ;
Yeh, H. Y. ;
Ghanem, Roger G., Éditeur scientifique
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Natural hazards, such as earthquakes and strong wind events, place large forces on tall, slender structures and on long-span bridges. In view of the numerous uncertainties due to model errors, stress calculations, material properties, and enviro[...]
Article : texte imprimé
Austin, Mark A., Auteur ;
Lin, Wane-Jang, Auteur
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This paper explores the use of energy concepts in the analysis of base-isolated structures subject to severe earthquake ground motions. We formulate the energy balance equations in moving- and fixed-base coordinate frames and provide new physica[...]
Article : texte imprimé
Effects of Prescribed End Motion on the Dynamic Stability of a Shallow Arch on an Elastic Foundation
Jen-San Chen, Auteur ;
Lin, Jian-San, Auteur ;
Dewey H. Hodges, Éditeur scientifique
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The Emphasis of this note is placed on finding out whether dynamic snap-through will occur when a shallow arch resting on an elastic foundation with elastic constant β is stretched or compressed with constant speed. It is found that for β> 8/7 n[...]
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