نتایج جستجو برای: dqm
تعداد نتایج: 233 فیلتر نتایج به سال:
در این پژوهش ناپایداری pull-in نانو سوئیچ یکسر درگیر و دوسر درگیر تحت تاثیر اثر اندازه و نیرو¬های درون مولکولی شامل نیروی واندروالس و نیروی کازیمیر با استفاده از روش حل تفاضلات مربعی (dqm) بررسی می¬گردد. در این نانوعملگر، نیروی الکترواستاتیک به عنوان نیروی محرک بکار رفته و برای بررسی اثرات غیرخطی هندسی از جابجایی¬های غیر خطی وون-کارمن استفاده شده است. به منظور استخراج معادله¬¬ی غیر خطی حاکم به ...
In this paper, we have presented the Differential Quadrature Method (DQM) for finding the numerical solution of boundary-value problems for a singularly perturbed differential-difference equation of mixed type, i.e., containing both terms having a negative shift and terms having a positive shift. Such problems are associated with expected first exit time problems of the membrane potential in mo...
A Large Ion Collider Experiment (ALICE) is the heavy-ion detector designed to study the physics of strongly interacting matter and the quark-gluon plasma at the CERN Large Hadron Collider (LHC). The online Data Quality Monitoring (DQM) plays an essential role in the experiment operation by providing shifters with immediate feedback on the data being recorded in order to quickly identify and ove...
Data cleaning, whether manual or algorithmic, is rarely perfect leaving a dataset with an unknown number of false positives and false negatives after cleaning. In many scenarios, quantifying the number of remaining errors is challenging because our data integrity rules themselves may be incomplete, or the available gold-standard datasets may be too small to extrapolate. As the use of inherently...
The present work aims to study the free vibration, buckling and post-buckling behaviors of bidirectional functionally graded (BDFG) microbeams. material properties a BDFG microbeam were varied continuously in both thickness axial directions. Furthermore, four different kinds distribution function taken into consideration, two which symmetrical direction, remaining asymmetrical. Employing Timosh...
Using differential quadrature method (DQM), this study investigated pull-in instability of beam-type nano-switches under the effects of small-scale and intermolecular forces including the van der Waals (vdW) and the Casimir forces. In these nano-switches, electrostatic forces served as the driving force, and von-Karman type nonlinear strain was used to examine nonlinear geometric effects. To de...
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