نتایج جستجو برای: relative displacement
تعداد نتایج: 440002 فیلتر نتایج به سال:
This study examines the relationship between shear force and horizontal relative displacement of Lshape shear connector by means of beam type test method. An equation for maximum shear force of the specimen which takes into account the effects of size of the shear connector and the concrete strength was proposed. It was found that shear force-horizontal relative displacement relationship can be...
in this paper, multi-objective uniform-diversity genetic algorithm (muga) with a diversity preserving mechanism called the ε-elimination algorithm is used for pareto optimization of 5-degree of freedom vehicle vibration model considering the five conflicting functions simultaneously. the important conflicting objective functions that have been considered in this work are, namely, vertical accel...
We propose a novel sensor system for monitoring the structural health of a building. The system optically measures the relative-story displacement during earthquakes for detecting any deformations of building elements. The sensor unit is composed of three position sensitive detectors (PSDs) and lenses capable of measuring the relative-story displacement precisely, even if the PSD unit was incli...
This analysis of data from the Displaced Workers Surveys suggests that between the periods 1983–87 and 1993–97, although the likelihood of involuntary job loss declined among most age groups, including older workers, it rose for middle-aged and older workers relative to younger workers. Three potential explanations for this shift the authors investigate are changes in educational attainment, ch...
BACKGROUND Few studies have been conducted to investigate the impact of extreme cold events on mortality in subtropical regions. OBJECTIVE In the present study we aimed to investigate the effects of the 2008 cold spell on mortality and the possibility of mortality displacement in three subtropical cities in China. METHODS Daily mortality, air pollution, and weather data were collected from ...
In this paper, multi-objective uniform-diversity genetic algorithm (MUGA) with a diversity preserving mechanism called the ε-elimination algorithm is used for Pareto optimization of 5-degree of freedom vehicle vibration model considering the five conflicting functions simultaneously. The important conflicting objective functions that have been considered in this work are, namely, vertical accel...
In this paper, we revisit the displacement theory of three-phase flow and provide conditions for a relative permeability model to be physical anywhere in the saturation triangle. When capillarity is ignored, most relative permeability functions used today yield regions in the saturation space where the system of equations is locally elliptic, instead of hyperbolic. We are of the opinion that th...
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