Articles with "modeling nonlinear" as a keyword



Some remarks on load modeling in nonlinear structural analysis–Statics with large deformations–Consistent treatment of follower load effects and load control

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

DOI: 10.1002/nme.7442

Abstract: Load modeling in nonlinear statics, particularly incorporating large deformations differs significantly from the treatment in linear analysis. As in structural dynamics masses in a gravity field generate the loading, their location, and their modifications within… read more here.

Keywords: load modeling; load; modeling nonlinear; load control ... See more keywords

Modeling nonlinear dynamics from videos

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Published in 2024 at "Nonlinear Dynamics"

DOI: 10.1007/s11071-024-10687-8

Abstract: We introduce a method for constructing reduced-order models directly from videos of dynamical systems. The method uses non-intrusive tracking to isolate the motion of a user-selected part in the video of an autonomous dynamical system.… read more here.

Keywords: nonlinear dynamics; system; modeling nonlinear; dynamics videos ... See more keywords

Modeling of nonlinear hydrogen diffusion in titanium hydrides TiHx

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Published in 2017 at "International Journal of Hydrogen Energy"

DOI: 10.1016/j.ijhydene.2017.04.085

Abstract: Abstract Behavior of hydrogen H in titanium hydride TiH x is studied with the help of macrokinetic modeling by the free hydrodynamic package OpenFOAM. Modeling of hydrogen in the δ -TiH x is performed taking… read more here.

Keywords: hydrogen; hydrogen diffusion; nonlinear hydrogen; titanium ... See more keywords

Modeling and nonlinear dynamics of thermomechanically coupled composite plates

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Published in 2020 at "International Journal of Mechanical Sciences"

DOI: 10.1016/j.ijmecsci.2020.106106

Abstract: Abstract An overview of extended research recently pursued on unified continuous/reduced-order modeling and nonlinear dynamics of thermomechanical composite plates of interest in aerospace, mechanical and civil engineering is presented. Reduced models exhibit the fundamental features… read more here.

Keywords: composite plates; nonlinear dynamics; dynamics thermomechanically; thermomechanically coupled ... See more keywords

Analytical modeling of nonlinear flexural-extensional vibration of flexure beams with an interconnected compliant element

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Published in 2018 at "Mechanics Research Communications"

DOI: 10.1016/j.mechrescom.2018.03.002

Abstract: Abstract The constraint behavior of compliant mechanisms can be improved via strengthening the stiffness of their constitutive beams using intermediate elements. This interior element may be assumed to be perfectly rigid or one can consider… read more here.

Keywords: vibration; modeling nonlinear; flexure; analytical modeling ... See more keywords

Modeling nonlinear tidal evolution in an energetic estuary

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Published in 2019 at "Ocean Modelling"

DOI: 10.1016/j.ocemod.2019.02.009

Abstract: Abstract Three-dimensional numerical simulations of a tidally dominated estuary within the Gulf of Maine are performed using the Regional Ocean Modeling System (ROMS) and validated with observations of sea surface elevation and velocity time series… read more here.

Keywords: model; modeling nonlinear; evolution; nonlinear tidal ... See more keywords

Modeling a Nonlinear Harvester for Low Energy Vibrations

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Published in 2019 at "IEEE Transactions on Instrumentation and Measurement"

DOI: 10.1109/tim.2018.2882901

Abstract: The availability of reliable analytical models is essential to the optimal design of energy harvesters and for the prediction of the system behavior. In this paper, we consider a low-input nonlinear system based on a… read more here.

Keywords: tex math; inline formula; modeling nonlinear; energy ... See more keywords

Modeling and Nonlinear Dynamic Analysis of a Photovoltaic System With Multiple Parallel Branches Based on Simplified Discrete Time Model

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Published in 2024 at "IEEE Transactions on Power Electronics"

DOI: 10.1109/tpel.2024.3388577

Abstract: The widely used dc distribution system mainly based on new energy generation consists of multiple power electronic converters in series and parallel. The mutual coupling among these converters can lead to complex nonlinear behavior. It… read more here.

Keywords: system; modeling nonlinear; analysis; nonlinear dynamic ... See more keywords

Modeling nonlinear behavior of piezoelectric actuators using improved WT-GRU neural network

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Published in 2024 at "Journal of Intelligent Material Systems and Structures"

DOI: 10.1177/1045389x241297522

Abstract: The coupling of hysteresis and low damping vibration in a piezoelectric actuator results in low modeling accuracy and adversely affects output motion precision. To mitigate this problem, this paper proposes an improved wavelet transform gated… read more here.

Keywords: behavior piezoelectric; modeling nonlinear; nonlinear behavior; actuators using ... See more keywords

Numerical Modeling of Nonlinear Response of Seafloor Porous Saturated Soil Deposits to SH-Wave Propagation

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Published in 2021 at "Applied Sciences"

DOI: 10.3390/app11041854

Abstract: Numerical modeling of seismic response of soil deposits is usually conducted as part of seismic hazard assessment, preceding facility construction in any tectonically active regions, including offshore sites. A significant feature of subsea soils is… read more here.

Keywords: propagation; response; soil; modeling nonlinear ... See more keywords

Numerical Modeling and Nonlinear Finite Element Analysis of Conventional and 3D-Printed Spinal Braces

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Published in 2024 at "Applied Sciences"

DOI: 10.3390/app14051735

Abstract: This study aims to describe the numerical modeling and nonlinear finite element analysis of typical spinal braces as a first step towards optimizing their topology for 3D printing. Numerical simulation was carried out in Abaqus… read more here.

Keywords: modeling nonlinear; analysis; topology; numerical modeling ... See more keywords