نتایج جستجو برای: energy dissipation

تعداد نتایج: 682739  

S. M. Zahrai and B. Rad,

In recent years, destructive earthquakes have shown the deficiencies of the existing buildings. One of the most effective mechanisms for dissipating the earthquake energy is inelastic deformation of the steel components. The objective of this research is to study the application of metallic dampers for dissipation of the earthquake energy and to investigate the behavior of concrete structures i...

Journal: :Journal of physics communications 2021

Abstract The effect of anharmonicity (coupling) in the field theory generally results dissipation plane waves. It has been appreciated that and ensuing waves can be accompanied by emergence gapped momentum state. Here, we show same lead to a energy state dispersion relation where frequency (energy) gap emerges explicitly. We discuss several notable properties states connections between them.

The indispensable vital structure in any harbor is a breakwater in order to make available calm water region inshore. Pile breakwater can be employed as a small coastal protection structure where tranquility required is low. This study is concerned with CFD study on the performance of perforated hollow pile to dissipate wave energy and the novelty of this investigation is the role of perforatio...

Laminar two dimensional forced convective heat transfer of Al2O3 –water nanofluid in a horizontal microchannel has been studied numerically, considering axial conduction, viscous dissipation and variable properties effects. The existing criteria in the literature for considering viscous dissipation in energy equation are compared for different cases and the most proper one is applied for the re...

Journal: مهندسی دریا 2005
Vahid Chegini,

Liu et al. (1987) proposed a theoretical solution for scattering of waves through a permeable dissipation region. On the basis of bulk dissipation of the incident wave energy, this method is extended to evaluate the reflection and transmission coefficients of waves through a wave filter composed of rows of perforated sheets aligned normally to the direction of wave propagation. The results of t...

Journal: :international journal of civil engineering 0
m.h. sebt amirkabir university of technology,hafez ave.,tehran,iran a. yousefzadeh amirkabir university of technology,hafez ave.,tehran,iran m. tehranizadeh amirkabir university of technology,hafez ave.,tehran,iran

in this paper, the optimal location and characteristics of tadas dampers in moment resisting steel structures, considering the application of minimum number of tadas dampers in a building as an objective function and the restriction for destruction of main members is studied. genetic algorithm in first generation randomly produces different chromosomes representing unique tadas dampers distribu...

Journal: :Journal of biomechanics 2008
Lakshmi P Dasi Kerem Pekkan Hiroumi D Katajima Ajit P Yoganathan

We formalize the hydrodynamic energy dissipation in the total cavopulmonary connection (TCPC) using dimensional analysis and examine the effect of governing flow variables; namely, cardiac output, flow split, body surface area, Reynolds number, and certain geometric characteristics. A simplistic and clinically useful mathematical model of the dependence of energy dissipation on the governing va...

2017
Ali Newaz Bahar Mohammad Maksudur Rahman Nur Mohammad Nahid Md. Kamrul Hassan

This paper presents an energy dissipation dataset of different reversible logic gates in quantum-dot cellular automata. The proposed circuits have been designed and verified using QCADesigner simulator. Besides, the energy dissipation has been calculated under three different tunneling energy level at temperature T=2 K. For estimating the energy dissipation of proposed gates; QCAPro tool has be...

and M. Karimi, F. Nateghi-Elahi, M. Motamedi, M. Ziaeefar,

Energy absorber systems like metallic dampers for controlling the structural vibrations due to earthquake have witnessed considerable development in the past few decades. Also there are some studies on the energy absorption of thin-walled tubes due to impact load. Thin-walled tubes have a large deformation capacity and are suitable energy absorbers in the structure during an earthquake provided...

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