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Autor:
S S Rezvani, M.S. Kiasat
Publikováno v:
International Journal of Maritime Engineering. 160
The approach developed in this paper applies to vibration analysis of rectangular stiffened plate coupled with fluid. It is obvious that the natural frequencies of a submerged structure are less than those of in vacuum and these are due to the effect
Publikováno v:
Metallurgical & Materials Engineering, Vol 27, Iss 2, Pp 137-160 (2021)
Ships are always prone to fatigue through high periodic loads, usually caused by waves and changing load conditions. So, fatigue is an important factor in design. One of the reasons for fatigue in welding parts is variable bending loads. In this pape
Autor:
Seyed Saed Rezvani, M.S. Kiasat
Publikováno v:
Archives of Civil and Mechanical Engineering. 18:1241-1258
This paper focuses on the free vibration analytical solution of a composite sandwich plate consisting of woven carbon laminated faces and a viscoelastic foam core. In addition to the dry condition, a case of floating on bounded water is considered fo
Long-term viscoelastic properties of an adhesive and molding compound, characterization and modeling
Autor:
M.S. Kiasat, Mohammad Rezai Sangtabi
Publikováno v:
Polymer. 116:204-217
Experimental characterization and theoretical modeling of the viscoelastic behaviors of two epoxy compounds are aimed in the present work. Through bending and torsion dynamic analysis, long-term master curves are obtained for the materials moduli ove
Autor:
Ehsan Shafiei, M.S. Kiasat
Publikováno v:
Polymer Testing. 84:106389
Resins as matrix materials for structural composites show nonlinear rate-dependent mechanical behaviors. In the present work, a new viscoplastic constitutive equation based on a potential function is proposed to predict the mechanical response of an
Autor:
Mohammad Rezai Sangtabi, M.S. Kiasat
Publikováno v:
Composites Science and Technology. 111:23-31
The mechanical behavior of twill-weave carbon fabric laminates under tensile loading is experimentally studied in this work. The focus is on the effect of the fiber bundle size and weave density of the fabric. The twill-weave carbon fabrics are woven
Publikováno v:
International Journal of Mechanical Sciences. 83:133-145
In the present study, free vibration of isotropic viscoelastic beams and plates on viscoelastic medium is investigated. The Boltzmann superposition integral model with Dynamic Mechanical Analysis (DMA) results is considered for viscoelastic material
Publikováno v:
Journal of Zhejiang University SCIENCE A. 11:97-105
Though the bumper of a vehicle plays a major role in protecting the vehicle body against damage in low speed impacts, many bumpers, particularly in large vehicles, are too stiff for pedestrian protection. In designing a bumper for an automobile, pede
Autor:
H.J.L. Bressers, A. W. J. den Boer, J. Janssen, L.J. Ernst, J.F.J.M. Caers, Guoqi Zhang, C. van 't Hof, M.S. Kiasat, Daoguo Yang
Publikováno v:
Journal of Electronic Packaging. 124:97-105
Thermo-setting polymers are widely used as underfill materials to improve the reliability of electronic packages. In the design phase, the influence of underfill applications on reliability is often judged through thermal and mechanical simulations,