نتایج جستجو برای: energy dissipation

تعداد نتایج: 682739  

Journal: :international journal of civil engineering 0
m. c. yılmaz gazi university, engineering faculty, civil engineering department, turkey ö. anıl gazi university, engineering faculty, civil engineering department, turkey b. alyavuz gazi university, engineering faculty, civil engineering department, turkey e. kantar celal bayar university, engineering faculty, civil engineering department, turkey

experiments were carried out to observe the influence of loading type on concrete beam specimens. beam specimens made of similar concrete mixture with the same geometry were tested under three point static loading and low velocity drop weight impact loading. load – displacement behavior, absorbed energy dissipation capacity, stiffnesses, failure modes of beam specimens were obtained and discuss...

Journal: :civil engineering infrastructures journal 0
asghar vatani oskouei department of civil engineering, shahid rajaee teacher training university, p.o.box 16785-136, tehran, iran foad kiakojouri department of structural engineering, islamic azad university, takestan branch, iran.

in this paper, the non-linear dynamic response of novel steel sandwich panel with hollow i-core subjected to blast loading was studied. special emphasis is placed on the evaluation of midpoint displacements and energy dissipation of the models. several parameters such as boundary conditions, strain rate, mesh dependency and asymmetrical loading are considered in this study. the material and geo...

ژورنال: علوم آب و خاک 2020

Lopac gates, with the benefits of easy installation, automation and the ability to pass sediments and floating objects, are among the new structures considered for water level regulation and flow control in the irrigation canals. Converting the shape of the gate from a rectangular one to an elliptical one allows the flow rate to be increased by the same water level. In the present study, the ef...

2016
Jeongmin Hong Brian Lambson Scott Dhuey Jeffrey Bokor

Minimizing energy dissipation has emerged as the key challenge in continuing to scale the performance of digital computers. The question of whether there exists a fundamental lower limit to the energy required for digital operations is therefore of great interest. A well-known theoretical result put forward by Landauer states that any irreversible single-bit operation on a physical memory eleme...

2017
Sudeok Shon Mina Yoo Seungjae Lee

The steel frame reinforced with steel shear wall is a lateral load resisting system and has higher strength and shear performance than the concrete shear wall system. Especially, using corrugated steel plates in these shear wall systems improves out-of-plane stiffness and flexibility in the deformation along the corrugation. In this paper, a cyclic loading test of this steel frame reinforced wi...

Journal: :Nuclear Instruments and Methods 1969

1996
Gerrit Burgers

It is noted that the results of recent experiments on the enhancement of turbulent kinetic energy (TKE) dissipation below surface waves can be stated as follows. TKE dissipation is enhanced by a factor 15Hws/z at depths 0.5Hws < z < 20Hws with respect to the wall-layer result ǫ = u ∗w/κz, where u∗w is the friction velocity in water and Hws is the significant windsea wave height. For open ocean ...

M Kaur, R Kumar, S.C Rajvanshi

In the present article, the reflection and transmission of plane waves at the boundary of thermally conducting micropolar elastic media with two temperatures is studied. The theory of thermoelasticity with and without energy dissipation is used to investigate the problem. The expressions for amplitudes ratios of reflected and transmitted waves at different angles of incident wave are obtained. ...

Journal: :journal of modern processes in manufacturing and production 2014
mehdi jahangiri

wear is a complicated phenomenon caused by the relative movement of two contacting surfaces compressed together by a normal force. prediction of the wear, in most cases, requires various experiments and microstructural characterization of the contacting surfaces. mathematical models based on physical concepts could provide considerable help in understanding the physical behavior and hence the p...

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