Journal of engineering mechanics, Vol. 138 N° 6. Journal of engineering mechanics - Juin 2012
| Titre : | Journal of engineering mechanics, Vol. 138 N° 6. Journal of engineering mechanics - Juin 2012 |
| Type de document : | Bulletin |
| Paru le : | 18/07/2012 |
Dépouillements
Article : texte imprimé
A numerical study of the problem of heat transfer to the non-Newtonian power-law fluid over a vertical cone embedded in a porous medium has been investigated, taking into consideration the viscous dissipation effect. The governing equations desc[...]
Article : texte imprimé
Guobin Gong, Auteur ;
Colin Thornton, Auteur ;
Andrew H. C. Chan, Auteur
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The paper presents results of three-dimensional discrete element method (DEM) simulations of axisymmetric undrained tests on loose assemblies of polydisperse spheres using a periodic cell. In the work reported, undrained tests were modeled by de[...]
Article : texte imprimé
This paper presents some of the interesting effects arising from the nonlinear motion of the liquid-free surface, due to sloshing, in a partially filled rigid container subjected to forced excitation. A two-dimensional meshless local Petrov-Gale[...]
Article : texte imprimé
C. E. Majorana, Auteur ;
B. Pomaro, Auteur
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The phenomenon of dynamic instability is investigated in this paper for a beam constrained at its end sections by viscoelastic (Kelvin-Voigt) translational and rotational supports, additionally affected by a certain degree of damage, to understa[...]
Article : texte imprimé
Z. Li, Auteur ;
C. C. Chang, Auteur
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Identifying dynamic characteristics for structures under ambient condition is a very important task for the design verification, model updating, health monitoring, and damage detection of these structures. Among many techniques developed for thi[...]
Article : texte imprimé
J. H. Ye, Auteur ;
D.-S. Jeng, Auteur
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In real ocean environments, currents generally exist simultaneously with ocean waves. However, the most previous investigations for the seabed response have only considered wave loading, ignoring currents. In this study, unlike previous studies,[...]
Article : texte imprimé
A. Hasani Baferani, Auteur ;
A. R. Saidi, Auteur
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In this paper, stability analysis of thick annular sector plates under mechanical and thermal loads based on third-order shear deformation theory (TSDT) is investigated. The equilibrium and stability equations based on TSDT are obtained and solv[...]
Article : texte imprimé
Zuocai Wang, Auteur ;
Genda Chen, Auteur
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This paper presents a recursive Hilbert-Huang transform method for the time-varying property identification of shear-type buildings under base excitations. To overcome nonorthogonality and modal perturbation issues, all significant intrinsic mod[...]
Article : texte imprimé
Jiazhu Hu, Auteur ;
P. Frank Pai, Auteur
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This paper presents the results of an experimental study of regular resonant vibrations of steel cables using a camera-based three-dimensional (3D) motion analysis system. The cable had one fixed end, and the other end was subjected to harmonic [...]
Article : texte imprimé
A hole inside a rectangular thin plate is optimized for maximization of an eigenfrequency of the structure. The shape of the hole is represented by an ellipse parametrization to guarantee a smooth curve along the boundary; and the hole’s center [...]
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The mathematical models governing the dynamics of various engineering systems, such as airplane wings and bridge decks subjected to aerodynamic forces, mechanical and civil structures interacting with fluid or soil, or systems with time delays, [...]
Article : texte imprimé
Hongki Jo, Auteur ;
Sung-Han Sim, Auteur ;
Tomonori Nagayama, Auteur
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State-of-the-art smart sensor technology enables deployment of dense arrays of sensors, which is critical for structural health monitoring (SHM) of complicated and large-scale civil structures. Despite recent successful implementation of various[...]
Article : texte imprimé
Sara Ghazizadeh, Auteur ;
Michele Barbato, Auteur ;
Enrico Tubaldi, Auteur
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The classical first-passage reliability problem for linear elastic single-degree-of-freedom (SDOF) oscillators subjected to stationary and nonstationary Gaussian excitations is explored. Several analytical approximations are available in the lit[...]
Article : texte imprimé
This study considers an air-filled heavy geomembrane tube section on a rigid horizontal foundation. All quantities are normalized to obtain similarity solutions. Integral terms of the semianalytic solutions are evaluated analytically, resulting [...]
Article : texte imprimé
Yufeng Gao, Auteur ;
Yongxin Wu, Auteur ;
Yuanqiang Cai, Auteur
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Random fields, such as the wind velocity field and the seismic ground motion field, are usually simulated by the spectral representation method (SRM). The SRM mainly relies on two methods: the random amplitudes method and the random phases metho[...]
Article : texte imprimé
This paper describes a numerical method for calculation of the sensitivity and Hessian matrix of the response evolutionary power spectral density (PSD) functions of structures subjected to uniformly modulated evolutionary random seismic excitati[...]
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