نتایج جستجو برای: wave celerity

تعداد نتایج: 218203  

1999
John Willis

THIS PAPER SEEKS TO EXAMINE THE MANNER IN WHICH DRINK-DRIVING and certain speeding offences are dealt with in the criminal justice system. This analysis will use Victorian legislation; however many of the features of Victorian legislation have equivalents in other jurisdictions. The focus will be on interference with driving licences. This is one of the most common sanctions employed and one wh...

Journal: :iranian journal of oil & gas science and technology 2014
parastoo bagheri sina sodagar gholamreza rashed amin yaghootian

time-of-flight diffraction method (tofd) is an amplitude-independent sizing method which is based on the measurement of time-of-flight of defect tip diffracted waves. although tofd can measure through-wall length of defect accurately, this method is not capable of measuring horizontal defect size. in this paper, a new tofd method for evaluating horizontal planar defects is presented. the finite...

Journal: :journal of agricultural science and technology 2010
m. r. najafi shahri s. m. r. behbahani

this paper describes a simple, physically-based conceptual model utilizing watershed drainage characteristics for rainfall-runoff simulation. this conceptual physiographic model is essentially based on the work of najafi (2003), which has led to a model compris-ing the main tributary subwatersheds and a single main channel subwatershed. the ki-nematic wave (kw) theory is used to describe flow o...

Journal: :فیزیک زمین و فضا 0
مهدی قربانی طالقانی دانشجوی کارشناسی ارشد فیزیک دریا، دانشکده منابع طبیعی و علوم دریایی، دانشگاه تربیت مدرس، نور، ایران علی اصغر گلشنی استادیار، گروه فیزیک دریا، مرکز ملی اقیانوس شناسی، تهران، ایران

wave prediction is useful for safety and effective management of vessel navigation or construction of offshore structures. since human activity mainly takes place in nearshore regions, accurate wave prediction is necessary there. however, nearshore waves are not easy to predict compared with ocean waves, because not only the waves but also the wind, which is the energy source of the waves, chan...

Journal: :Wave Motion 2021

This manuscript describes the derivation of systems equations for weakly nonlinear gravity waves in shallow water presence constant vorticity. The is based on a multi-layer generalization traditional columnar Ansatz. A perturbative development parameter and dispersive allow us to obtain sets equations, horizontal fluid velocity free surface, able describe propagation surface moving with some pr...

Journal: :Applied Numerical Mathematics 2022

We present a novel staggered semi-implicit hybrid finite volume / element method for the numerical solution of shallow water equations at all Froude numbers on unstructured meshes. A semi-discretization in time conservative Saint-Venant with bottom friction terms leads to its decomposition into first order hyperbolic subsystem containing nonlinear convective term and second wave equation pressu...

2015

This work presents a solution for teleoperation of unmanned vehicles in unknown scenarios with increased transparency and safety. The proposed solution includes the implementation of a novel vibration feedback, resulting in an increased awareness of the vehicle surroundings and operators comfort. Furthermore, two newly developed anti-collision methods that take into account both vehicle and env...

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