Results 61 to 70 of about 21,691 (213)

Optimal profile design for acoustic black holes using Timoshenko beam theory

open access: yesThe Journal of the Acoustical Society of America, 2023
We revisit the problem of constructing one-dimensional acoustic black holes. Instead of considering the Euler–Bernoulli beam theory, we use Timoshenko's approach, which is known to be more realistic at higher frequencies. Our goal is to minimize the reflection coefficient under a constraint imposed on the normalized wavenumber variation.
Kasper S. Sørensen   +2 more
openaire   +3 more sources

Finite Element Modelling of Rocking and Hybrid Precast Walls under Seismic Loading

open access: yesEarthquake Engineering &Structural Dynamics, EarlyView.
ABSTRACT In recent years, self‐centring systems have received considerable research interest in the seismic design of precast concrete structures for their ability to limit damage and satisfy resilience requirements. Rocking and hybrid structural walls, characterised by the formation of a single gap at the wall–foundation interface, mitigate damage by ...
Andrea Belleri   +3 more
wiley   +1 more source

Bending of geometrically nonlinear cantilever beam. Results obtained by Cosserat – Timoshenko and Kirchhoff’s rod theories

open access: yesИнженерно-строительный журнал, 2015
The problem of verification of different program suites for structural analysis has recently become an important component of the construction science. One of the most extensively used benchmark problem is a classical geometrically nonlinear problem of ...
V.V. Lalin, M.O. Beliaev
doaj   +1 more source

Who developed the so-called Timoshenko beam theory? [PDF]

open access: yesMathematics and Mechanics of Solids, 2019
The use of the Google Scholar produces about 78,000 hits on the term “Timoshenko beam.” The question of priority is of great importance for this celebrated theory. For the first time in the world literature, this study is devoted to the question of priority. It is that Stephen Prokofievich Timoshenko had a co-author, Paul Ehrenfest.
openaire   +3 more sources

Characteristics of Deformation and Damage of Multi‐Thin Composite Oil Shale Top Plate Under the Influence of Different Factors

open access: yesEnergy Science &Engineering, EarlyView.
In this study, the key control mechanism of surrounding rock stability is revealed by theoretical analysis and UDEC‐Trigon numerical simulation method, aiming at the problem that oil shale roof is prone to separation and slip deformation under complex stress.
Jiang Xiao   +5 more
wiley   +1 more source

Experimental Modal Analysis‐Driven Gaussian Process Regression Modeling of Rectangular Steel Beams With Various Hole Geometries

open access: yesInternational Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT Understanding the dynamic behavior of structural components is crucial for optimizing performance and ensuring structural integrity. This study presents a new method that combines a systematic experimental investigation of four distinct hole geometries (circular, square, compact rectangular, and long rectangular) with varying hole counts, all ...
Amir Hossein Rabiee   +3 more
wiley   +1 more source

Dynamic Analysis of a Fiber-Reinforced Composite Beam under a Moving Load by the Ritz Method

open access: yesMathematics, 2021
This paper presents the dynamic responses of a fiber-reinforced composite beam under a moving load. The Timoshenko beam theory was employed to analyze the kinematics of the composite beam.
Şeref D. Akbaş   +3 more
doaj   +1 more source

Nonlinear Vibration Characteristic Analysis of Electric Vehicle–Road Coupling System

open access: yesInternational Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT In‐wheel motor drive is the developing direction of automobile electrification and intelligence. However, the increased unsprung mass in in‐wheel motor‐driven electric vehicles (IWMEVs) leads to higher dynamic tire loads, thereby intensifying vehicle–road coupling interactions. To address this problem, an 11‐degree‐of‐freedom nonlinear dynamic
Guizhen Feng, Shaohua Li, Xuewei Wang
wiley   +1 more source

FE2 Method to Model Rod‐ and Beam‐Like Atomic Based Nanostructures

open access: yesProceedings in Applied Mathematics and Mechanics, Volume 26, Issue 2, June 2026.
ABSTRACT The mechanical behaviour of rod‐ and beam‐like atomistic nanostructures is analysed using the FE2${\rm FE}^2$ method. At the macroscopic scale, the system is described by a two‐dimensional Timoshenko beam model. On the microscopic level, molecular mechanics is used.
Julian Ochs, Jens Wackerfuß
wiley   +1 more source

Free vibration of axially loaded thin-walled composite Timoshenko beams [PDF]

open access: yes, 2011
Based on shear-deformable beam theory, free vibration of thin-walled composite Timoshenko beams with arbitrary layups under a constant axial force is presented.
Lee, Jaehong, Vo, Thuc
core   +1 more source

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