Results 21 to 30 of about 11,684,150 (395)

The Immediate Effect of Swedish Relaxation Massage and Meditation After Mental Fatigue on Dynamic and Semi-dynamic Balance and Lower Extremity Function in Collegiate Female Athletes [PDF]

open access: yesṬibb-i Tavānbakhshī, 2023
Background and Aims Nowadays, Participating in sports activities along with mental fatigue causes musculoskeletal injuries and one of the most important factors in reducing the rate of these injuries is having proper recovery.
Faezeh Gholami   +2 more
doaj   +1 more source

Effect of thermal modification on the stress relaxation behavior and microstructure of the cell wall

open access: yesJournal of Wood Science, 2023
The stress relaxation behavior and cell wall microstructure of sugi were evaluated after thermal modification. Stress relaxation is observed and has a broad relaxation spectrum, implying various relaxation mechanisms.
Koji Murata   +3 more
doaj   +1 more source

Tuning of the Dielectric Relaxation and Complex Susceptibility in a System of Polar Molecules: A Generalised Model Based on Rotational Diffusion with Resetting

open access: yesFractal and Fractional, 2022
The application of the fractional calculus in the mathematical modelling of relaxation processes in complex heterogeneous media has attracted a considerable amount of interest lately.
Irina Petreska   +4 more
doaj   +1 more source

Revisiting the modeling of quasielastic neutron scattering from bulk water [PDF]

open access: yesEPJ Web of Conferences, 2022
Quasi-elastic neutron scattering (QENS) from bulk-water at 300 K, measured on the IRIS backscattering neutron spectrometer (ISIS, UK), is interpreted using the jump diffusion model (JDM), a “minimalistic” multi-timescale relaxation model (MRM) and ...
Petersen Martin H.   +3 more
doaj   +1 more source

Improved Estimation of Long-Term Relaxation Function from Compliance Function of Aging Concrete

open access: yes, 2013
Based on asymptotic considerations, this paper develops an improved approximate formula for estimating the relaxation function from the given compliance function of concrete, which is considered as aging, linearly viscoelastic material. Compared with the
Z. Bažant, M. Hubler, M. Jirásek
semanticscholar   +1 more source

Stretched-exponential decay functions from a self-consistent model of dielectric relaxation [PDF]

open access: yes, 2007
There are many materials whose dielectric properties are described by a stretched exponential, the so-called Kohlrausch-Williams-Watts (KWW) relaxation function.
A.V. Milovanov   +43 more
core   +2 more sources

Jonscher indices for dielectric materials [PDF]

open access: yesJournal of Advanced Dielectrics, 2019
Two parameters are proposed as Jonscher indices, named after A. K. Jonscher for his pioneering contribution to the universal dielectric relaxation law.
C. L. Wang
doaj   +1 more source

Density dependence of the stress relaxation function of a simple fluid

open access: yes, 2013
We present accurate molecular dynamics calculations of the shear stress relaxation modulus of a simple atomic fluid over a wide range of densities. The high accuracy of the data enables us to study changes in the functional form of the shear relaxation ...
R. Hartkamp, P. Daivis, B. D. Todd
semanticscholar   +1 more source

Recent Advances in the Calculation of Dynamical Correlation Functions

open access: yesFrontiers in Physics, 2020
We review various theoretical methods that have been used in recent years to calculate dynamical correlation functions of many-body systems. Time-dependent correlation functions and their associated frequency spectral densities are the quantities of ...
J. Florencio, O. F. de Alcantara Bonfim
doaj   +1 more source

The relaxation of functionals with surface energies [PDF]

open access: yesAsymptotic Analysis, 1989
The relaxation of a variational principle is determined when a superficial term is present. Lower semicontinuity of the functional may fail even when both integrands are convex. Generalized solutions, in terms of parametrized measures or Young measures, are introduced and analyzed. Several examples are given.
Giorgio Vergara-Caffarelli   +1 more
openaire   +2 more sources

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