Results 41 to 50 of about 183,010 (330)
Fast and Accurate Seismic Computations in Laterally Varying Environments
IEEE Access, 2021 The parabolic equation method provides an unrivaled combination of computational efficiency and accuracy for wave propagation problems in the geosciences in which the environment has strong vertical variations and gradual horizontal variations.
Michael D. Collins +2 more
doaj +1 more source
Cellulose‐Nanofiber‐Based Layered Sub‐Terahertz Absorbing Sheets for B5G/6G Applications
Advanced Materials Technologies, EarlyView.We report a sub‐terahertz absorber made of biodegradable cellulose‐nanofiber (CNF), potentially useful for B5G/6G devices to achieve electromagnetic compatibility in an eco‐friendly way. The absorber is 120 µm thick and consists of two carbon‐nanotube‐dispersed CNF layers and one pure CNF layer.
Kosaku Kato +11 more
wiley +1 more source
On the backward heat problem: evaluation of the norm of ∂u∂t
International Journal of Mathematics and Mathematical Sciences, 1980 We show in this paper that ‖Δu‖=‖ut‖ is bounded ∀t≤T(0)
Yves Biollay
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Lewy-Stampacchia inequality for noncoercive parabolic obstacle problems
Mathematics in Engineering, 2023 We investigate the obstacle problem for a class of nonlinear and noncoercive parabolic variational inequalities whose model is a Leray–Lions type operator having singularities in the coefficients of the lower order terms.
Fernando Farroni +2 more
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Terahertz Volume Plasmon‐Polariton Modulation in All‐Dielectric Hyperbolic Metamaterials
Advanced Optical Materials, EarlyView.THz volume plasmon‐polariton (VPP) propagation through plasmon‐based hyperbolic metamaterials, made of alternating layers of doped and undoped III‐V semiconductors. Abstract The development of plasmonics and related applications in the terahertz range faces limitations due to the intrinsic high electron density of the standard metals.
Stefano Campanaro +3 more
wiley +1 more source
Maximal regular boundary value problems in Banach-valued function spaces and applications
International Journal of Mathematics and Mathematical Sciences, 2006 The nonlocal boundary value problems for differential operator equations of second order with dependent coefficients are studied. The principal parts of the differential operators generated by these problems are non-selfadjoint.
Veli B. Shakhmurov
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Karpatsʹkì Matematičnì Publìkacìï, 2022 The aim of the present paper is to investigate of some properties of periodic solutions of a nonlinear autonomous parabolic systems with a periodic condition.
I.I. Klevchuk
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Functional a posteriori error estimates for parabolic time-periodic boundary value problems [PDF]
, 2014 The paper is concerned with parabolic time-periodic boundary value problems which are of theoretical interest and arise in different practical applications. The multiharmonic finite element method is well adapted to this class of parabolic problems.
Langer, Ulrich +2 more
core
Flux form Semi-Lagrangian methods for parabolic problems [PDF]
, 2015 A semi-Lagrangian method for parabolic problems is proposed, that extends previous work by the authors to achieve a fully conservative, flux-form discretization of linear and nonlinear diffusion equations. A basic consistency and convergence analysis are
Bonaventura, Luca, Ferretti, Roberto
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Terahertz Chiral Recognition Based on Metasurfaces
Advanced Photonics Research, EarlyView.A novel terahertz chiral sensing method based on a multilayer metallic metasurface is proposed. The left‐handed circularly polarized and right‐handed circularly polarized components in the linearly polarized illuminating light into two focal points and convert them back into linear polarization for convenient measurement.
Xuyang Ji +5 more
wiley +1 more source