Results 11 to 20 of about 5,059 (262)

Bending of a Stepped Sandwich Beam: The Shear Effect

open access: yesEngineering Transactions, 2022
This paper is devoted to the stepped sandwich beam with clamped ends subjected to a uniformly distributed load. The bending problem of the beam is formulated and solved with consideration of the classical sandwich beam of constant face thickness.
Joanna KUSTOSZ   +2 more
doaj   +1 more source

Bending of a Seven Layer Beam with Foam Cores

open access: yesEngineering Transactions, 2018
The subject of the paper is a seven layer beam with foam cores. The structure of the beam is symmetrical. The beam is composed of the main core, two inner sheets, two second cores and two outer sheets.
Krzysztof MAGNUCKI   +3 more
doaj   +1 more source

Amplification Factors in the Case of Beam Under Moving Force – Theoretical Analysis

open access: yesArchives of Civil Engineering, 2019
The impact of a moving load speed on the dynamic overload of beams, assuming that the track of the load has no unevenness, is examined. First the problem of a visco-elastic beam on a Winkler foundation subjected to a force moving at a constant speed will
Ataman M.
doaj   +1 more source

Sharper existence and uniqueness results for solutions to fourth-order boundary value problems and elastic beam analysis

open access: yesOpen Mathematics, 2020
We examine the existence and uniqueness of solutions to two-point boundary value problems involving fourth-order, ordinary differential equations. Such problems have interesting applications to modelling the deflections of beams.
Almuthaybiri Saleh S.   +1 more
doaj   +1 more source

Comparison of theoretical calculated deflections according to the Euler-Bernoulli andЕymoshenko beam models with experimentally obtained

open access: yesБудівельні конструкції. Теорія і практика
The article presents the results of an experimental and theoretical study of the prediction of deflections of timber beams made of three types of wood: massive, glued laminated, and cross-laminated timber.
Дмитро Бітюков
doaj   +1 more source

A study of the deflections of metal road guardrail elements [PDF]

open access: yesTransport, 2009
Statistical data on traffic accidents in 2008 in Lithuania is presented. Referring to statistical data, ‘grounding on an obstacle’ makes one-tenth of all registered traffic accidents – 9.4% (an obstacle may be a road guardrail, a lamp post, a tree, a bar,
O. Prentkovskis   +4 more
doaj   +2 more sources

ПРОГИБ И ОСЕВАЯ СИЛА В СВОБОДНО-ОПЕРТОЙ ГЕОМЕТРИЧЕСКИ-НЕЛИНЕЙНОЙ БАЛКЕ

open access: yesInternational Journal for Computational Civil and Structural Engineering
The problem of beam bending for large deflections is described in general. The nonlinear beam theory is considered for a simply-supported beam subjected to uniform load. The governing equations for displacements of this beam are derived.
Александр Суворов   +1 more
doaj   +1 more source

Static and dynamic analyses of free-hinged-hinged-hinged-free beam in non-homogeneous gravitational field: application to gravity gradiometry

open access: yesScientific Reports, 2022
The first analytical evaluation of a free-hinged-hinged-hinged-free beam proposed for use as the primary sensing element of a new gravity gradiometer is presented.
Alexey V. Veryaskin, Thomas J. Meyer
doaj   +1 more source

Optimizing photoexcitation conditions for time‐resolved X‐ray solution scattering experiments

open access: yesFEBS Open Bio, EarlyView.
Time‐resolved X‐ray solution scattering (TR‐XSS) is a powerful technique to visualize how proteins change their structure in real time after light activation. Selecting the right laser photoexcitation conditions—fluence, excitation geometry, and sample refresh rate—is critical to maximize the experimental signal while avoiding unwanted side effects ...
Matteo Levantino
wiley   +1 more source

Purification and preparation of Marchantia polymorpha Auxin Response Factor 2 for phase separation studies

open access: yesFEBS Open Bio, EarlyView.
We describe detailed protocols for the purification and preparation of Marchantia polymorpha Auxin Response Factor 2 (MpARF2). This protein is fused to an MBP solubility tag and an mNG fluorescent tag and is purified from Escherichia coli. The presented procedures make it possible to study MpARF2 assemblies, which could arise from phase separation ...
Bas Janssen   +5 more
wiley   +1 more source

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