Journal of engineering mechanics, Vol. 136 N° 9. Journal of engineering mechanics - Septembre 2010
| Titre : | Journal of engineering mechanics, Vol. 136 N° 9. Journal of engineering mechanics - Septembre 2010 |
| Type de document : | Bulletin |
| Paru le : | 06/10/2010 |
Dépouillements
Article : texte imprimé
Jaeseung Kim, Auteur ;
Hyung Suk Lee, Auteur ;
Namho Kim, Auteur
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Because of its efficiency in analyzing complex viscoelastic problems, the finite-element (FE) analysis has been widely used to identify the time- and rate-dependent effects of viscoelastic materials on various structural conditions. When perform[...]
Article : texte imprimé
Huang Hsing Pan, Auteur ;
George J. Weng, Auteur
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In this study, we conduct a combined experimental and micromechanical investigation into the strain-rate sensitivity of concretes, with a special reference to the effect of aggregate concentration. We first measured the stress-strain relations o[...]
Article : texte imprimé
Josip Brnic, Auteur ;
Marko Canadija, Auteur ;
Goran Turkalj, Auteur
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This paper presents the temperature dependence of the mechanical properties of structural high-strength low-alloy (HSLA) ASTM A709 Gr50 steel (En10025: S355 JO; DIN: ST 52-3U). Engineering stress-strain diagrams at lowered and elevated temperatu[...]
Article : texte imprimé
Stochastic wind velocity fields are usually simulated as N-variate stationary Gaussian processes by using the spectral representation method (SRM). However, the temporal statistics estimated from one SRM-simulated sample wind process cannot coin[...]
Article : texte imprimé
J. Enrique Herencia, Auteur ;
Paul M. Weaver, Auteur ;
Michael I. Friswell, Auteur
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Closed-form solutions for buckling of long plates with flexural/twist anisotropy with the short edges simply supported and with the longitudinal edges simply supported, clamped, or elastically restrained in rotation under axial compression are p[...]
Article : texte imprimé
A finite-element method considering the interaction of the bending and shear-lag deformation of a box girder was established. Meanwhile a shear-lag-induced stiffness matrix was defined. The stiffness matrices considering the effect of the shear [...]
Article : texte imprimé
Current models to determine the local buckling stress of inelastic plates under in-plane loading are based on plastic deformation theory and semirational or empirical relationships. A successful J2 flow theory describing inelastic local buckling[...]
Article : texte imprimé
Linear response surface (RS) models are used to represent the relationship between samples of response time histories measured by sensors placed across a structure. Different structural states of a general time-variant system are considered for [...]
Article : texte imprimé
Biswajit Basu, Auteur ;
Satish Nagarajaiah, Auteur
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This paper proposes a multiresolution based wavelet controller for the control of linear time varying systems consisting of a time invariant component and a component with zero mean slowly time varying parameters. The real time discrete wavelet [...]
Article : texte imprimé
J. Hu, Auteur ;
D. I. Garagash, Auteur
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A solution to the problem of a plane-strain fluid-driven crack propagation in elastic permeable rock with resistance to fracture is presented. The fracture is driven by injection of an incompressible Newtonian fluid at a constant rate. The solut[...]
Article : texte imprimé
C. H. Wang, Auteur ;
L. H. Huang, Auteur ;
M. Y. Lin, Auteur
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This study elucidates the water well resonance induced by preearthquake signals using an analytic approach. Weak pressure waves passing through a confined aquifer are considered as the incoming preearthquake signal. Owing to the hardness of the [...]
Article : texte imprimé
In this note it is shown that the combination of conventional laminas (possessing positive Poisson's ratio) and auxetic laminas (possessing negative Poisson's ratio) gives rise to effective in-plane composite laminate Young's modulus that surpas[...]
Article : texte imprimé
Jianan Cai, Auteur ;
Neil Hall, Auteur ;
Mohammed Elenany, Auteur
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This note presents the results of an experimental study of circular sand jets in air from three nozzles of diameter of 19.2, 31.1 and 63.8 mm. It was found that the frontal speeds of the sand jets and the steady sand jet velocity accelerate due [...]
Article : texte imprimé
Nebojsa Sebastijanovic, Auteur ;
Henry T. Y. Yang, Auteur ;
Tian-Wei Ma, Auteur
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This technical note presents an extension of a previous study where two methods for detecting structural damage have been developed by using displacement and velocity measurements. In this study, acceleration feedback is used in detecting change[...]
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