Articles with "wave propagation" as a keyword



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Peculiarities of VLF wave propagation in the Earth's magnetosphere in the presence of artificial large‐scale inhomogeneity

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Published in 2017 at "Journal of Geophysical Research"

DOI: 10.1002/2017ja024118

Abstract: We study specific features of VLF waves propagation in the Earth's ionosphere and magnetosphere in the presence of large-scale field-aligned plasma inhomogeneities (ducts). These inhomogeneities can, e.g., be formed during the ionosphere heating by high-power… read more here.

Keywords: large scale; presence; propagation earth; vlf wave ... See more keywords
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Anomalous Wave Propagation in Topological Transition Metasurfaces

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Published in 2019 at "Advanced Optical Materials"

DOI: 10.1002/adom.201801483

Abstract: Metasurfaces become an effective route to the control of not only free‐space waves but also surface plasmon polaritons (SPPs). SPPs, propagating along the interface between a metal and a dielectric, show properties of strong enhancement… read more here.

Keywords: propagation; topological transition; propagation topological; wave propagation ... See more keywords
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Electromagnetic wave propagation in a fast pulse line ion accelerator.

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Published in 2019 at "Medical physics"

DOI: 10.1002/mp.13875

Abstract: PURPOSE The pulse line ion accelerator (PLIA) is a low-cost accelerator concept originally designed to accelerate heavy ions. Our group has been investigating the use of PLIA to accelerate light ions and believe a multi-stage… read more here.

Keywords: voltage; accelerator; ion; wave propagation ... See more keywords
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Numerical and experimental evaluation of low‐intensity transcranial focused ultrasound wave propagation using human skulls for brain neuromodulation

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Published in 2022 at "Medical Physics"

DOI: 10.1002/mp.16090

Abstract: Abstract Background Low‐intensity transcranial focused ultrasound (tFUS) has gained considerable attention as a promising noninvasive neuromodulatory technique for human brains. However, the complex morphology of the skull hinders scholars from precisely predicting the acoustic energy… read more here.

Keywords: focused ultrasound; wave propagation; skull; human skulls ... See more keywords
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A macro‐element strategy based upon spectral finite elements and mortar elements for transient wave propagation modeling. Application to ultrasonic testing of laminate composite materials

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Published in 2019 at "International Journal for Numerical Methods in Engineering"

DOI: 10.1002/nme.6080

Abstract: Proposing efficient numerical modeling tools for high‐frequency wave propagation in realistic configurations, such as the one appearing in ultrasonic testing experiments, is a major challenge, especially in the perspective of inversion loops or parametric studies.… read more here.

Keywords: propagation; based upon; ultrasonic testing; strategy ... See more keywords
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Numerical modeling of wave propagation in anisotropic viscoelastic laminated materials in transient regime: Application to modeling ultrasonic testing of composite structures

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Published in 2020 at "International Journal for Numerical Methods in Engineering"

DOI: 10.1002/nme.6359

Abstract: Composite laminate structures remain an important family of materials used in cutting‐edge industrial areas. Building efficient numerical modeling tools for high‐frequency wave propagation in order to represent ultrasonic testing experiments of these materials remains a… read more here.

Keywords: modeling wave; ultrasonic testing; wave propagation; numerical modeling ... See more keywords
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Seismic wave propagation in floating ice sheets – a comparison of numerical approaches and forward modelling

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Published in 2018 at "Near Surface Geophysics"

DOI: 10.1002/nsg.12013

Abstract: Seismic data processing collected from arctic sea ice is often challenging. Large amplitudes of coherent surface waves interfere with the reflected seismic waves and can make the reflection data virtually unusable. In order to understand… read more here.

Keywords: forward modelling; wave propagation; modelling results; approaches forward ... See more keywords
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The influence of wood polymer composite (WPC) specimen composition and dimensions on wave propagation

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Published in 2018 at "European Journal of Wood and Wood Products"

DOI: 10.1007/s00107-018-1309-9

Abstract: Wave propagation velocity has been used to characterize and classify different types of materials. Proper use of this parameter means, it is necessary to know which variables affect it. This study therefore aims to evaluate… read more here.

Keywords: propagation; polymer; wave propagation; propagation velocity ... See more keywords
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Determination of the thermal stress wave propagation in orthotropic hollow cylinder based on classical theory of thermoelasticity

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Published in 2018 at "Continuum Mechanics and Thermodynamics"

DOI: 10.1007/s00161-017-0618-2

Abstract: The thermoelasticity problem in a thick-walled orthotropic hollow cylinder is solved analytically using finite Hankel transform and Laplace transform. Time-dependent thermal and mechanical boundary conditions are applied on the inner and the outer surfaces of… read more here.

Keywords: hollow cylinder; stress wave; wave propagation; stress ... See more keywords
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Wave propagation effects induced in transmission pipelines by EMI from power lines

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Published in 2018 at "Electrical Engineering"

DOI: 10.1007/s00202-017-0646-8

Abstract: Pipelines collocated in close proximity to high voltage alternating current transmission lines may be subjected to electrical interference from inductive effects. If these effects are high enough, they may pose a safety hazard to personnel… read more here.

Keywords: transmission; transmission pipelines; wave propagation; effects induced ... See more keywords
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Evaluation of dynamic behaviour of porous media including micro-cracks by ordinary state-based peridynamics

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Published in 2021 at "Engineering with Computers"

DOI: 10.1007/s00366-021-01506-4

Abstract: Reliable evaluation of mechanical response in a porous solid might be challenging without any simplified assumptions. Peridynamics (PD) perform very well on a medium including pores owing to its definition, which is valid for entire… read more here.

Keywords: evaluation dynamic; porous media; micro cracks; wave propagation ... See more keywords