نتایج جستجو برای: transient structure analysis
تعداد نتایج: 4163717 فیلتر نتایج به سال:
This paper presents the complete algorithm of site response analysis of nonhomogeneous topographic structures using transient two-dimensional boundary element method (BEM). Seismic behaviour of various topographic features including canyon, half plane, sedimentary filled valley and ridge sections, subjected to incident SV and P waves are analysed. The analysis shows the efficiency of the propos...
introduction: asymptomatic diabetic patients are at increased risk of cardiovascular complications. myocardial perfusion scan may be effective in risk evaluation in this population. methods: 106 asymptomatic diabetic patients (age: min: 37, max: 82, mean: 57.73±8.88), including 56 females (52.8%) and 50 males (47.2%) were enrolled in the study. myocardial perfusion scintigraphy was performed by...
The transient response of the lateral photovoltaic effect (LPE) was observed when Ti–SiO2–Si structure irradiated by a 650 nm laser which is attributed to remarkable absorptivity. LPE linearly dependent on irradiation position. has high sensitivity 68.4 mV/mm and linearity 0.9853, respectively. This paper focuses process at different positions. mechanism time MOS caused diffusion electrons posi...
A new squirrel-cage rotor structure induction motor (IM) that has a auxiliary permanent magnet (PM) rotor and improved cage-rotor structure is presented to enhance the inherent power factor of the IM, and a prototype motor is fabricated by modifying the rotor of a conventional three-phase four-pole squirrel-cage induction motor. The flux linkage, flux distribution, power factor, core loss and e...
The structure matrix based on semi-tensor product can provide formulas for analyzing the characteristics of a Boolean network, such as the number of fixed points, the number of circles of different lengths, transient period for all points to enter the set of attractors and basin of each attractor. However, the conventional method of semi-tensor product gains the structure matrix through complex...
Lateral nozzle forces are known to cause severe structural damage to any new rocket engine in development during test. While three-dimensional, transient, turbulent, chemically reacting computational fluid dynamics methodology has been demonstrated to capture major side load physics with rigid nozzles, hot-fire tests often show nozzle structure deformation during major side load events, leading...
The topic of poverty has always been studied in the world. If we can break down poverty, we will have a better understanding of the changes in poverty .The purpose of this article is to show the status of poverty and its three dimensions in chronic and transient poverty in Iran using the raw data of the Iranian Statistical Center and drawing the three dimensional curve of poverty (TIP) using th...
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