Results 31 to 40 of about 3,335,801 (328)

Optical Zener-Bloch oscillations in binary waveguide arrays [PDF]

open access: yes, 2006
Zener tunneling in a binary array of coupled optical waveguides with transverse index gradient is shown to produce a sequence of regular or irregular beam splitting and beam recombination events superimposed to Bloch oscillations.
Callaway J.   +3 more
core   +3 more sources

Experimental analyses of two‐body wave energy converters with hydraulic power take‐off damping in regular and irregular waves

open access: yesIET Renewable Power Generation, 2021
A flume experimental study of a two‐body wave energy converter (WEC) with a hydraulic power take‐off (PTO) was conducted under the conditions of both regular and irregular waves.
Shuang Wu, Yanjun Liu, Jian Qin
doaj   +1 more source

Numerical Study of a Proposed Semi-Submersible Floating Platform with Different Numbers of Offset Columns Based on the DeepCwind Prototype for Improving the Wave-Resistance Ability

open access: yesApplied Sciences, 2019
DeepCwind semi-submersible floating offshore wind turbines have been widely examined, and in some countries this type of floating offshore wind turbine has been adopted in the construction of floating wind farms.
Zhenqing Liu   +3 more
doaj   +1 more source

The decay law can have an irregular character [PDF]

open access: yes, 2006
Within a well-known decay model describing a particle confined initially within a spherical $\delta$ potential shell, we consider the situation when the undecayed state has an unusual energy distribution decaying slowly as $k\to\infty$; the simplest ...
Albeverio S   +13 more
core   +1 more source

Directional Irregular Wave Kinematics [PDF]

open access: yes, 1998
Abstract : Coastal and ocean processes are heavily influenced by the kinematics of waves. In order to understand these processes, researchers place a variety of instruments in the sea in an attempt to measure the waves. These instruments all measure a small set of physical quantities at a small number of locations. The balance of the kinematics must be
Rodney J. Sobey, Christopher H. Barker
openaire   +3 more sources

Laboratory simulations of wave attenuation by an emergent vegetation of artificial Phragmites australis: an experimental study of an open-channel wave flume

open access: yesJournal of Environmental Engineering and Landscape Management, 2015
This paper presents a well-controlled laboratory experimental study to evaluate wave attenuation by artificial emergent plants (Phragmites australis) under different wave conditions and plant stem densities.
Li Yiping   +8 more
doaj   +1 more source

Fractional Fourier approximations for potential gravity waves on deep water [PDF]

open access: yes, 2003
In the framework of the canonical model of hydrodynamics, where fluid is assumed to be ideal and incompressible, waves are potential, two-dimensional, and symmetric, the authors have recently reported the existence of a new type of gravity waves on deep ...
Gandzha, Ivan S., Lukomsky, Vasyl P.
core   +5 more sources

Investigations on Irregular Waves in Hydraulic Models

open access: yesCoastal Engineering 1980, 1980
The first part of the paper deals with some aspects of wave generation by mechanical wave-generators, especially with hydraulic transfer functions for pusher movement of the paddle, and the influences of signal characteristics and analysis methods. In the second part, results of measurements of orbital velocities and pressures in irregular waves are ...
Karl-Friedrich Daemrich   +2 more
openaire   +2 more sources

MOORED SHIP RESPONSE IN IRREGULAR WAVES

open access: yesCoastal Engineering Proceedings, 1982
The traditional concept of representing a "random" sea state by just a variance spectral density has been found to be insufficient for modelling the slow drift oscillations of large moored ships. This paper illustrates, through experimental investigations, the importance of including wave grouping as an additional design parameter.
E.P.D. Mansard, B.D. Pratte
openaire   +2 more sources

Experimental Investigation of Wave Propagation and Overtopping over Seawalls on a Reef Flat

open access: yesJournal of Marine Science and Engineering, 2023
A series of physical model tests were performed to investigate the wave propagation, pressure, and wave overtopping processes for vertical and sloped seawalls on the reef flat.
Yangyang Gao, Linguang Ren, Lizhong Wang
doaj   +1 more source

Home - About - Disclaimer - Privacy