نتایج جستجو برای: push over and nonlinear time history analyses
تعداد نتایج: 17163788 فیلتر نتایج به سال:
From this perspective, one can see the recent history of complex systems as two sides of the same coin. The first side was the discovery that simple systems can appear random (and high dimensional), even when consisting only of low-dimensional, but nonlinear coupled components (aka “deterministic chaos”). Despite our intuitively negative reaction to unpredictability, deterministic chaos was gre...
this study attempted to explore if teaching english collocations through two different modes of awareness-raising and input flooding has any possible differential effect on immediate retention as well as retention in a delayed assessment. it also compared the possible differential effect of teaching english collocations implicitly and explicitly on actively using the items in writing. m...
abstract this study aimed at investigating the possible relationship between self-assessment in writing and self-regulation of iranian efl learners. the main purpose of the study was not only to report and inform about this relationship, but also to investigate and find practical outcomes of the incorporation of self-assessment in writing, such as improving writing skill. the research was carr...
In drilling of composite laminates, it is important to minimize or reduce occurrences of delaminations. In particular, a peel-up delamination at entrance and push-out delamination at exit are common. Delaminations may be avoided by regulating the drill thrust force can be controlled by adjusting the feedrate of the drill. Dynamics involved in drilling of composite laminates is time varying and ...
In the present paper, the focus is on the evaluation of steel dual-system frame buildings using four main types of structural analysis (Linear Static, Linear Dynamic, Nonlinear Static and Nonlinear Dynamic Analyses) with regard to "Seismic Rehabilitation Code for Existing Buildings in Iran" (based on FEMA 273 and 356) where the first two authors of the article tend to follow the previous work (...
foreign policy takes root from complicated matters. however, this issue may be more truth about armenia. although the new government of armenia is less than 20 years, people of this territory are the first ones who officially accepted christianity. in very past times, these people were a part of great emperors like iran, rome, and byzantium.armenia is regarded as a nation with a privileged hist...
in this study, the relationship between teachers’ creative and critical thinking skills and their reflectivity in teaching was investigated. to this end, three questions were raised. these questions were intended to determine whether there was a significant relationship between teachers’ creative thinking skills and their reflectivity in teaching; whether there was a significant relationship be...
Abstract Two models of the 10-story reinforced concrete building tested at E-Defense laboratory in 2015 are built: F model, which nonlinear behavior is distributed over element length, and H lumped plastic hinges with a moment-chord rotation response assigned based on empirical formulations proposed literature. Nonlinear time–history analyses performed to reproduce experimental shaking-table te...
in this study, the effects of oleothermal modification on physical and mechanical peroperties of fir wood (abeis sp.) blocks were examined. at first, some blocks of fir wood with 5 × 20 × 120 cm dimensions were prepared. the blocks were treated in soybean oil. the effects of 3 factors such as treatments temperature (180and 200 °c), holding time (12 and 15 h) and initial moisture content of wood...
BACKGROUND Although the recently developed Pressure Ulcer Scale for Healing (PUSH) was created to monitor healing over time, prospective evidence of its validity in measuring healing is lacking. The purpose of this study was to assess the validity of PUSH (version 3.0) when used to assess pressure ulcers in clinical practice. METHODS The authors chose a prospective research design using a con...
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