نتایج جستجو برای: winkler spring
تعداد نتایج: 53308 فیلتر نتایج به سال:
In this study the effect of thermal stress on the torsional buckling of double walled carbon nanotubes is investigated. Moreover based on nonlocal continuum mechanic the buckling governing equations are obtained and equilibrium of Equations is generalized to double wall nanotubes. Also in this study the elastic medium, small scale effect and van der Walls force are considered. Also for simulati...
The dynamic response of the railway under accelerated moving load using Dynamic Green Function is presented in this paper. For this purpose, an exact and direct modeling technique is introduced for the railway modeling as the damped Euler-Bernoulli beam on the partial Winkler foundation with arbitrary boundary conditions subjected to the moving load. The effects of the elastic coefficient of Wi...
Big data processing is attracting the interest of many researchers to process large-scale datasets and extract useful information for supporting providing decisions. One biggest challenges problem querying large datasets. It becomes even more complicated with similarity queries instead exact match queries. A fuzzy join operation a typical frequently used in big analysis. Currently, there very l...
Many linguistic and textual processes involve transduction of strings. We show how to learn a stochastic transducer from an unorganized collection of strings (rather than string pairs). The role of the transducer is to organize the collection. Our generative model explains similarities among the strings by supposing that some strings in the collection were not generated ab initio, but were inst...
81st (Spring) Meeting of Ulster Society of Internal Medicine, Friday 15th May 2009 Medical Education Centre, Craigavon Hospital, Portadown
We describe the locomotion dynamics of a biomimetic robot and compare them with those of its exemplar: the cockroach. The robot is a small (0.275kg) hexapod created using a layered manufacturing technique that allows us to tailor the compliance and damping of the limbs to achieve passive stabilization similar to that observed in insects. The robot runs at over 3 body-lengths per second (55 cm/s...
In this study, it is theorized that party websites play a distinctive role in two regards: (i) they function as a pluralistic civic forum by facilitating the voice of oppositional challengers and increasing the visibility of minor and fringe parties, so that attentive citizens can learn more about the range of electoral choices; (ii) in addition, party websites function as a channel for politic...
Abstract A singular rail or wheel surface irregularity, such as a squat, insulation joint flat, can cause large wheel-rail impact force. Both the magnitude and frequency content of force need to be correctly modelled because they are closely related formation, deterioration detection irregularities. In this paper, we compare two types commonly used wheel-track interaction models for problems, i...
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