نتایج جستجو برای: dynamic equations

تعداد نتایج: 632524  

Journal: :Applied mechanics 2021

Traditionally dynamic analysis is done using Newton’s universal laws of the equation motion. According to Newtonian mechanics, x, y, z, space-time coordinate system does not include a term for energy loss, an empirical damping “C” used in equilibrium equation. Energy loss any governed by thermodynamics. Unified Mechanics Theory (UMT) unifies motion Newton and thermodynamics at ab-initio level. ...

ژورنال: Journal of Railway Research 2017
Khatibi, Fatemeh, Esmaeili, Morteza , Khalilian, Valiollah ,

Construction of railway track embankment over a soft subgrade will bring the necessity of using soil improvement methods for bearing capacity and settlement criteria satisfaction. As a practical improvement method, railway embankment filled with geofoam blocks is studied in this paper. First; a bilinear stress-strain model developed in FLAC2D to simulate geofoam embankment behavioral model. Sec...

A Ghorbanpour Arani, M Hashemian

In this paper, the nonlinear dynamic buckling of double-walled boron-nitride nanotube (DWBNNT) conveying viscous fluid is investigated based on Eringen's theory. BNNT is modeled as an Euler-Bernoulli beam and is subjected to combine mechanical, electrical and thermal loading. The effect of viscosity on fluid-BNNT interaction is considered based on Navier-Stokes relation. The van der Waals (vdW)...

Journal: :Computers & Mathematics with Applications 2009

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