نتایج جستجو برای: generalized kelvin model

تعداد نتایج: 2234194  

1999
J. Soares I. Wainer N. C. Wells

The e€ect of viscosity, non linearities, incident wave period and realistic eastern coastline geometry on energy ̄uxes are investigated using a shallow water model with a spatial resolution of 1/4 degree in both meridional and zonal directions. Equatorial and mid-latitude responses are considered. It is found that (1) the in ̄uence of the coastline geometry and the incident wave period is more i...

Journal: :Applied Mathematical Modelling 2022

In the present study, mechanical behavior of tricuspid valve (TV) chordae tendineae tissue is investigated experimentally and theoretically. A series uniaxial testing experiments TV conducted its viscoelastic model developed by taking into account initial condition displacement tissue. Our experimental result shows typical J-shaped force-displacement curve corresponding established via a nonlin...

1997
DMITRY BELETSKY WILLIAM P. O’CONNOR DAVID J. SCHWAB DAVID E. DIETRICH

Two three-dimensional primitive equation numerical ocean models are applied to the problem of internal Kelvin waves and coastal upwelling in the Great Lakes. One is the Princeton Ocean Model (POM) with a terrain-following (sigma) vertical coordinate, and the other is the Dietrich/Center for Air Sea Technology (DIECAST) model with constant z-level coordinates. The sigma coordinate system is part...

2004
F. L. Waelbroeck P. J. Morrison

A Hamiltonian formulation is constructed for a finite ion Larmor radius fluid model describing ion temperature-gradient driven and drift Kelvin-Hemholtz modes. The Hamiltonian formulation reveals the existence of three invariants obeying detailed conservation properties, corresponding roughly to generalized potential vorticity, internal energy, and ion momentum parallel to the magnetic field. T...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده ریاضی 1390

abstract: in the paper of black and scholes (1973) a closed form solution for the price of a european option is derived . as extension to the black and scholes model with constant volatility, option pricing model with time varying volatility have been suggested within the frame work of generalized autoregressive conditional heteroskedasticity (garch) . these processes can explain a number of em...

2008
Sergey Nazarenko

Reconnections of quantum vortex filaments create sharp bends which degenerate into propagating Kelvin waves. These waves cascade their energy down-scale and their waveaction up-scale via weakly nonlinear interactions, and this is the main mechanism of turbulence at the scales less than the inter-vortex distance. In case of an idealised forcing concentrated around a single scale k0, the turbulen...

1999
J. Soares I. Wainer N. C. Wells

A baroclinic shallow-water model is developed to investigate the e€ect of the orientation of the eastern ocean boundary on the behavior of equatorial Kelvin waves. The model is formulated in a spherical polar coordinate system and includes dissipation and nonlinear terms, e€ects which have not been previously included in analytical approaches to the problem. Both equatorial and middle latitude ...

Journal: :Energies 2022

The creep and stress relaxation behaviors of coal are common in mining. unified constitutive model is suitable to describe predict both the evolution characteristics rocks. generalized Kelvin core element for traditional improved component models reflect nonlinear relaxation. In this paper, an damage model, which could relation evolution, was established based on a comparison models, responding...

Journal: :international journal of data envelopment analysis 2014
e. najafi m. fallah s. hamed

measuring the performance of a production system has been an important task in management for purposes of control, planning, etc. lord kelvin said :“when you can measure what you are speaking about, and express it in numbers, you know something about it; but when you cannot measure it, when you cannot express it in numbers, your knowledge is of a meager and unsatisfactory kind.” hence, manageme...

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