نتایج جستجو برای: dynamic analyses

تعداد نتایج: 779255  

Journal: :Clean technologies 2022

This paper presents an adsorption cooler (AC) driven by the surplus heat of a solar thermal domestic hot water system to provide cooling residential buildings. A cylindrical tube adsorber using granular silica gel as adsorbent and adsorbate was considered. The AC modelled two-dimensional distributed parameter model implemented in previous heating studies. performance coefficients resultant ther...

The determination of structural and nonstructural damage under earthquake excitations is usually considered as a key factor in performance-based seismic design (PBSD) methods is In this regard, various damage indices have been developed in recent years to quantitatively estimate structural damage. The aim of this study is to develop a simple method to evaluate performance levels of zipper-brace...

Journal: :computational methods in civil engineering 2011
a.r. khoei m. h. pourmatin

in this paper, the mechanical behavior of three-phase inhomogeneous materials is modeled using the meso-scale model with lattice beams for static and dynamic analyses. the timoshenko beam theory is applied instead of the classical euler-bernoulli beam theory and the mechanical properties of lattice beam connection are derived based on the continuum medium using the non-local continuum theory. t...

Journal: :asian journal of sports medicine 0
elahe faraji department of sport medicine and corrective exercise, ferdowsi university of mashhad, mashhad, iran; department of sport medicine and corrective exercise, ferdowsi university of mashhad, mashhad, iran. hassan daneshmandi department of sport medicine and corrective exercise, university of guilan, rasht, iran ahmad ebrahimi atri department of sport medicine and corrective exercise, ferdowsi university of mashhad, mashhad, iran vahid onvani azad university, mashhad branch, mashhad, iran faride rezaee namjoo department of sport medicine and corrective exercise, ferdowsi university of mashhad, mashhad, iran

purpose ankle sprain is one of the most common injuries among athletes and instability and injury to this joint is responsible for long time loss of physical and recreational activity. also, it can impose high costs to sport teams. prevention of this injury is an important concern of practice and rehabilitation. one way of reducing the possibility of ankle joint injury is using an ankle orthosi...

Journal: :NeuroImage 2010
Christian H. Kasess Klaas E. Stephan Andreas Weissenbacher Lukas Pezawas Ewald Moser Christian Windischberger

Currently, most studies that employ dynamic causal modeling (DCM) use random-effects (RFX) analysis to make group inferences, applying a second-level frequentist test to subjects' parameter estimates. In some instances, however, fixed-effects (FFX) analysis can be more appropriate. Such analyses can be implemented by combining the subjects' posterior densities according to Bayes' theorem either...

2007
Gurvan Le Guernic

With the intensification of communication in information systems, interest in security has increased. The notion of noninterference is typically used as a baseline security policy to formalize confidentiality of secret information manipulated by a program. This notion, based on ideas from classical information theory, has first been introduced by Goguen and Meseguer (1982) as the absence of str...

F. Khayyer, M. Esmaeili M. Gharouni Nik

Construction of railway embankments on loose beds without using any methods of soil improvement (e.g. stone columns in silt and clay beds, deep soil mixing method, jet grouting and also using micropiles individually or in groups form) leads to  reduction of embankment slope gradient, which significantly increases the volume of soil operation. Generally, micropile as a reinforcing element with t...

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