نتایج جستجو برای: euler bernoulli beam theory

تعداد نتایج: 900715  

2012
Dongming Wei Yu Liu

In this paper, we use Hermite cubic finite elements to approximate the solutions of a nonlinear Euler– Bernoulli beam equation. The equation is derived from Hollomon’s generalized Hooke’s law for work hardening materials with the assumptions of the Euler–Bernoulli beam theory. The Ritz–Galerkin finite element procedure is used to form a finite dimensional nonlinear program problem, and a nonlin...

2012
Shi-Rong Li Romesh C. Batra

Analytical relations between the critical buckling load of a functionally graded material (FGM) Timoshenko beam and that of the corresponding homogeneous Euler–Bernoulli beam subjected to axial compressive load have been derived for clamped–clamped (C–C), simply supported–simply supported (S–S) and clamped–free (C–F) edges. However, no such relation is found for clamped–simply supported (C–S) b...

2013
Xiao-Chuan Liu

1 First Lecture on Entropy Example 1.1 Consider the unilateral shifts f : {1, 2}N → {1, 2}N and g : {1, 2, 3}N → {1, 2, 3}N equipped with the Bernoulli measures μ and ν, respectively. Show that, for any set X ⊂ {1, 2}N satisfying f−1(X) = X and μ(X) = 1, there exists x ∈ X such that #(X ∩ f−1(x)) = 2. Conclude that if k 6= l then (f, μ) and (g, ν) can not be ergodically equivalent. Proof. Denot...

Journal: :Discrete Mathematics 2009
Taekyun Kim

Abstract. In [18], the new q-extension of Bernoulli polynomials and generalized Bernoulli numbers attached to χ were constructed by using p-adic invariant integral on Zp. In this paper we construct the new q-extension of generalized Bernoulli polynomials attached to χ due to author and derive the existence of a specific p-adic interpolation function which interpolate the q-extension of generali...

Journal: :Romanian Journal of Transport Infrastructure 2019

2006
T. C. Manjunath

This paper features the modeling and design of a Fast Output Sampling (FOS) Feedback control technique for the Active Vibration Control (AVC) of a smart flexible aluminium cantilever beam for a Single Input Single Output (SISO) case. Controllers are designed for the beam by bonding patches of piezoelectric layer as sensor / actuator to the master structure at different locations along the lengt...

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...

In this article thermoelastic damping in nano-beam resonators is investigated based on nonlocal theory of elasticity and the Euler-Bernoulli beam assumptions. The governing equation of deflection of the beam is obtained from shear and moment resultants and stress–strain relationship of the nonlocal elasticity model and also the governing equations of thermoelastic damping are established by usi...

Journal: :Random Struct. Algorithms 2010
Geoffrey R. Grimmett Thomas M. Liggett Thomas Richthammer

We consider a type of long-range percolation problem on the positive integers, motivated by earlier work of others on the appearance of (in)finite words within a site percolation model. The main issue is whether a given infinite binary word appears within an iid Bernoulli sequence at locations that satisfy certain constraints. We settle the issue in some cases, and provide partial results in ot...

2012
Safa Bozkurt Coşkun Mehmet Tarik Atay Baki Öztürk

The vibration problems of uniform and nonuniform Euler-Bernoulli beams have been solved analytically or approximately [1-5] for various end conditions. In order to calculate fundamental natural frequencies and related mode shapes, well known variational techniques such as Rayleigh_Ritz and Galerkin methods have been applied in the past. Besides these techniques, some discretized numerical metho...

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