نتایج جستجو برای: diffusion to thermal wave propagation

تعداد نتایج: 10844535  

Journal: :Bulletin of mathematical biology 1993
J Sneyd S Girard D Clapham

We discuss in detail the behaviour of a model, proposed by Goldbeter et al. (1990. Proc. natn. Acad. Sci. 87, 1461-1465), for intracellular calcium wave propagation by calcium-induced calcium release, focusing our attention on excitability and the propagation of waves in one spatial dimension. The model with no diffusion behaves like a generic excitable system, and threshold behaviour, excitabi...

ژورنال: آبخیزداری ایران 2020

By numerical simulation of the phenomenon of failure of dams and the flow of their flow, it is possible to design more precisely the structures and their location. The purpose of this study was to investigate the wave propagation phenomenon due to the failure of the rocky mortar-watering dam in the Marivan sub-basin of Zarivar in two-dimensional and three-dimensional models using the Fluent mod...

Journal: :international journal of civil engineering 0
jafar najafizadeh no. 21, arghavan st., north dibajee, farmanieh, tehran, islamic republic of iran mohsen kamalian no. 21, arghavan st., north dibajee, farmanieh, tehran, islamic republic of iran mohammad kazem jafari no. 21, arghavan st., north dibajee, farmanieh, tehran, islamic republic of iran naser khaji faculty of civil and environmental engineering, tarbiat modares university

in this paper, an advanced formulation of the spectral finite element method (sfem) is presented and applied in order to carry out site response analysis of 2d topographic structures subjected to vertically propagating incident in-plane waves in time-domain. the accuracy, efficiency and applicability of the formulation are demonstrated by solving some wave scattering examples. a numerical param...

Journal: :civil engineering infrastructures journal 0
a. ardeshir-behrestaghi faculty of civil engineering, babol noshirvani university of technology, babol, iran. m. eskandari-ghadi school of civil engineering, college of engineering, university of tehran, p.o.box: 11155-4563, tehran, iran. j. vaseghi-amiri faculty of civil engineering, babol noshirvani university of technology, babol, iran.

the dynamic response of a transversely isotropic, linearly elastic layer bonded to the surface of a half-space of a different transversely isotropic material under arbitrary shape surface loads is considered. with the help of displacements and stresses green’s functions, an analytical formulation is presented for the determination of the displacements and stresses at any point in both surface l...

S Karmakar S.A Sahu,

A Mathematical model has been considered to study the reflection and refraction phenomenon of plane wave at the interface of an isotropic liquid medium and a triclinic (anisotropic) half-space. The incident plane qP wave generates three types of reflected waves namely quasi-P (qP), quasi-SV (qSV) and quasi-SH (qSH) waves in the tric...

Journal: :Journal of Applied Physics 2022

This contribution intends to convince readers that by virtue of the rich physics involved, optical excitation, thermal diffusion, expansion, and acoustic wave propagation, nature involved excitation detection, photoacoustic photothermal methods offer a unique combination features makes them very attractive for exploitation in wide area scientific technological fields involve material property e...

P Alam, S Kundu

In the present paper, we are contemplating the influences of heterogeneities and pre-stresses on the propagation of Love-type waves in an initially stressed heterogeneous transversely isotropic layer of finite thickness lying over an inhomogeneous half space. The material constants and pre-stress have been taken as space dependent and arbitrary functions of depth in the respective media. To sim...

An approximation technique is considered for computing transmission and reflection coefficients for propagation of an elastic pulse through a planar slab of finite width. The propagation of elastic pulse through a planar slab is derived from first principles using straightforward time-dependent method. The paper ends with calculations of enhancement factor for the elastic plane wave and it is s...

2013

The effect of gravity and thermal expansion on the propagation of a triple flame in a horizontal channel. Combustion and Flame Submitted (2013). [3] Al-Malki, F and Daou, J. Triple-flame propagation against a Poiseuille flow in a channel with porous walls. Submitted (2013). [4] Daou, J. Strained premixed flames: effect of heat-loss, preferential diffusion, and the reversibility of the chemical ...

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