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   Articles with "beam model" as a keyword



Commissioning of the RefleXion X1 Linear Accelerator and Development of a Consensus Reference Beam Model.

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recommendations! Published in 2025 at "Medical physics"

DOI: 10.1002/mp.70173

Abstract: Consistent commissioning of novel radiation therapy systems remains a critical step to ensure safety and accuracy of radiation delivery. The initial installations of the Reflexion X1 linear accelerator (linac) and Treatment Planning System (TPS) allowed… read more here.

Keywords: beam; reflexion linear; linear accelerator; consensus reference ... See more keywords

A projection‐based quaternion discretization of the geometrically exact beam model

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recommendations! Published in 2024 at "International Journal for Numerical Methods in Engineering"

DOI: 10.1002/nme.7538

Abstract: In the present work the geometrically exact beam model is formulated in terms of unit quaternions. A projection‐based discretization approach is proposed which is based on a normalization of the quaternion approximation. The discretization relies… read more here.

Keywords: exact beam; geometrically exact; beam; projection based ... See more keywords

Civil engineering applications of the Asymptotic Expansion Load Decomposition beam model: an overview

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recommendations! Published in 2021 at "Continuum Mechanics and Thermodynamics"

DOI: 10.1007/s00161-021-01027-x

Abstract: The Asymptotic Expansion Load Decomposition higher-order beam model is based on the classical two-scale asymptotic expansion in the linear elasticity framework.It was successively extended to eigenstrains and to plasticity in small deformations in different papers.… read more here.

Keywords: asymptotic expansion; expansion load; load decomposition; beam model ... See more keywords
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Internal Force of the Anti-slide Pile in Soil Based on the Deep Beam Model

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recommendations! Published in 2021 at "Ksce Journal of Civil Engineering"

DOI: 10.1007/s12205-021-0161-3

Abstract: According to the deep beam model, the bury conditions, the geometry characteristics and the load condition, we established a load transfer model based on the tie rod arch and an internal force model for the… read more here.

Keywords: force; model; deep beam; beam model ... See more keywords

Analytic laws for direct calibration of discrete element modeling of brittle elastic media using cohesive beam model

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recommendations! Published in 2019 at "Computational Particle Mechanics"

DOI: 10.1007/s40571-018-00221-0

Abstract: In this study, a new methodology for the calibration of microscopic parameters for the cohesive beam model of discrete element method (DEM) applied to elastic brittle material is presented. This method enables the entry of… read more here.

Keywords: calibration; analytic laws; cohesive beam; discrete element ... See more keywords
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On the application of the beam model for linear dynamic analysis of pile and suction caisson foundations for offshore wind turbines

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recommendations! Published in 2021 at "Computers and Geotechnics"

DOI: 10.1016/j.compgeo.2021.104107

Abstract: Abstract Piles and suction caissons are the most common foundation solutions for fixed Offshore Wind Turbines at intermediate water depths. They are generally used as a single element, presenting large diameters and short aspect ratios.… read more here.

Keywords: wind turbines; suction; soil; beam model ... See more keywords
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A thick bondline beam model for the adhesively bonded 3-point bending specimen

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recommendations! Published in 2020 at "International Journal of Adhesion and Adhesives"

DOI: 10.1016/j.ijadhadh.2019.102465

Abstract: Abstract The adhesively bonded 3-point bending specimen has been recently considered for evaluating the adhesive shear stress-strain behaviour. Its main advantage is avoiding the spurious end effects typical of lap-joints. A previous beam model proved… read more here.

Keywords: adhesively bonded; point bending; bending specimen; beam model ... See more keywords

Equivalent micropolar beam model for spatial vibration analysis of planar repetitive truss structure with flexible joints

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recommendations! Published in 2020 at "International Journal of Mechanical Sciences"

DOI: 10.1016/j.ijmecsci.2019.105202

Abstract: Abstract An equivalent micropolar beam modeling method for spatial vibration analysis of planar repetitive truss structures with flexible joints was presented. Firstly, by modeling each joint as a connection element comprising spring-dampers in six axes,… read more here.

Keywords: micropolar beam; beam model; truss structure; model ... See more keywords

An improved Reddy beam model accounting for Poisson effect

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recommendations! Published in 2025 at "Mechanics of Advanced Materials and Structures"

DOI: 10.1080/15376494.2025.2512460

Abstract: Abstract We propose an enriched version of the classical Reddy beam model, obtained by introducing additional kinematic terms that account for transverse contraction effects. While preserving the structure and simplicity of the original theory, the… read more here.

Keywords: model accounting; model; reddy beam; beam model ... See more keywords

Limitations of the paraxial beam model in the study of quantum vacuum signals

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recommendations! Published in 2025 at "Physical Review D"

DOI: 10.1103/bmxl-776l

Abstract: Studies of nonlinear quantum vacuum signals often model the driving laser fields as paraxial beams. This in particular holds for analytic approaches. While this allows for reliable predictions in most situations, there are also notable… read more here.

Keywords: beam model; vacuum signals; quantum vacuum; paraxial beam ... See more keywords

Dynamic Analysis of Vehicle Track Coupling Based on Double Beam Track Model

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recommendations! Published in 2018 at "Shock and Vibration"

DOI: 10.1155/2018/7469894

Abstract: The rail was considered as double Timoshenko beam in this paper, applied to the vehicle track coupling dynamics model; the Hertz nonlinear method is used to calculate the wheel rail contact force. Wheel rail vertical… read more here.

Keywords: beam model; double beam; model; wheel rail ... See more keywords