Results 51 to 60 of about 21,564,977 (361)

Computational Modeling of Dislocation Slip Mechanisms in Crystal Plasticity: A Short Review

open access: yesCrystals, 2021
The bridge between classical continuum plasticity and crystal plasticity is becoming narrower with continuously improved computational power and with engineers’ desire to obtain more information and better accuracy from their simulations, incorporating ...
Khanh Nguyen   +4 more
doaj   +1 more source

VIV Control Strategies Using Displacement-Based ‎Phenomenological Model [PDF]

open access: yesJournal of Applied and Computational Mechanics, 2021
Linear and nonlinear feedback control of vortex-induced vibrations are assessed using a single degree-of-freedom phenomenological model of the uncontrolled response.
Muhammad Hajj   +3 more
doaj   +1 more source

Phenomenological model for inflationary quintessence [PDF]

open access: yesPhysical Review D, 2005
We present a phenomenologically motivated model which is able to give rise both to an inflationary epoch and to the present day cosmic acceleration. We introduce an approach where the energy density depends on the scale factor $a$ in such a way that a smooth transition from the inflation to the matter dominated era and then to the current accelerated ...
CARDONE V. F.   +2 more
openaire   +3 more sources

Phenomenology of the little Higgs model [PDF]

open access: yesPhysical Review D, 2003
We study the low energy phenomenology of the little Higgs model. We first discuss the linearized effective theory of the "littlest Higgs model" and study the low energy constraints on the model parameters. We identify sources of the corrections to low energy observables, discuss model-dependent arbitrariness, and outline some possible directions of ...
Heather E. Logan   +3 more
openaire   +2 more sources

Hybrid Modeling of Machine Learning and Phenomenological Model for Predicting the Biomass Gasification Process in Supercritical Water for Hydrogen Production

open access: yesEng, 2023
Process monitoring and forecasting are essential to ensure the efficiency of industrial processes. Although it is possible to model processes using phenomenological approaches, these are not always easy to apply and generalize due to the complexity of ...
Julles Mitoura dos Santos Junior   +2 more
doaj   +1 more source

Exploring the Influence of pH on the Dynamics of Acetone–Butanol–Ethanol Fermentation

open access: yesMicroorganisms, 2023
Clostridium acetobutylicum is an anaerobic bacterium that is extensively studied for its ability to produce butanol. Over the past two decades, various genetic and metabolic engineering approaches have been used to investigate the physiology and ...
Manish Kumar   +2 more
doaj   +1 more source

Phenomenological Quark Mass Matrix Model with Two Adjustable Parameters [PDF]

open access: yesPhys.Rev.D49:2638-2641,1994, 1993
A phenomenological quark mass matrix model which includes only two adjustable parameters is proposed from the point of view of the unification of quark and lepton mass matrices. The model can provide reasonable values of quark mass ratios and Kobayashi-Maskawa matrix parameters.
arxiv   +1 more source

Феноменологическая модель генерации землетрясений сейсмического режима «drumbeats», сопровождавших извержение вулкана Кизимен в 2011–2012 гг

open access: yesVestnik KRAUNC: Fiziko-Matematičeskie Nauki, 2020
Извержение вулкана Кизимен в 2011-2012 гг. характеризовалось устойчивым, почти равномерным выжиманием вязкого лавового потока объемом 0.3 км³. Формирование лавового потока сопровождалось возникновением квазипериодических землетрясений режима «drumbeats ...
Шакирова, А.А.   +2 more
doaj   +1 more source

The cold mode: a phenomenological model for the evolution of density perturbations in the intracluster medium [PDF]

open access: yes, 2014
Cool cluster cores are in global thermal equilibrium but are locally thermally unstable. We study a non-linear phenomenological model for the evolution of density perturbations in the intracluster medium (ICM) due to local thermal instability and gravity.
Ashmeet Singh, P. Sharma
semanticscholar   +1 more source

MODELS AND PHENOMENOLOGY

open access: yesInternational Journal of Modern Physics A, 2005
It is evident that models of the knee should match the observational phenomenology. In this talk I discuss a few aspects of phenomenology, which are important not only for the understanding of the knee origin, but also for the general problem of the origin of cosmic rays. Among them are the shape of the energy spectrum, its irregularity, the sharpness
openaire   +3 more sources

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