Results 11 to 20 of about 157,916 (266)

A Hydrodynamic Analog of the Casimir Effect in Wave-Driven Turbulent Flows

open access: yesFluids, 2022
We present experimental results on a fluctuation-induced force observed in Faraday wave-driven turbulence. As recently reported, a long-range attraction force arises between two walls that confine the wave-driven turbulent flow.
Mahdi Davoodianidalik   +2 more
doaj   +1 more source

Experimental and numerical simulation on dynamics of a moored semi-submersible in various wave directions

open access: yesScience Progress, 2021
A moored floating platform has great potential in ocean engineering applications because the mooring system is necessary to keep a floating platform in the station. It relates directly to operational efficiency and safety of a floating platform.
Thi Thanh Diep Nguyen   +2 more
doaj   +1 more source

Verification of elastically supported beam model for growth mechanism analysis of rail corrugation

open access: yesNihon Kikai Gakkai ronbunshu, 2020
Rail corrugation that causes the vibration and the noise is a phenomenon in which roughness patterns of approximately regular wavelengths are formed on the rail running surface by trains running.
Mitsuo ABOSHI, Hirofumi TANAKA
doaj   +1 more source

Feasibility of Wave Measurement by Using a Sailing Buoy and the Artificial Neural Network Technique

open access: yesShanghai Jiaotong Daxue xuebao, 2022
Ocean waves have adverse effects on the operation and safety of ships. Real-time and accurate onboard wave monitoring is essential for green smart ships and navigational safety.
QIN Yichao, HUANG Limin, WANG Xiao, MA Xuewen, DUAN Wenyang, HAO Wei
doaj   +1 more source

Theoretical analyses of growth mechanism of rail corrugation

open access: yesNihon Kikai Gakkai ronbunshu, 2019
Rail corrugation is a phenomenon in which roughness patterns of approximately regular wavelengths are formed on the rail running surface by trains running, and causes the vibration and the noise.
Mitsuo ABOSHI, Hirofumi TANAKA
doaj   +1 more source

Wave (Current)-Induced Pore Pressure in Offshore Deposits: A Coupled Finite Element Model

open access: yesJournal of Marine Science and Engineering, 2018
The interaction between wave and offshore deposits is of great importance for the foundation design of marine installations. However, most previous investigations have been limited to connecting separated wave and seabed sub-models with an individual ...
Chencong Liao   +4 more
doaj   +1 more source

Stress formulation of elastic wave motion [PDF]

open access: yesJASA Express Letters, 2021
Propagation of elastic waves in anisotropic solids is solved through a pure stress formalism. The stress solutions lead to the three wave solutions expected from the displacement formulation plus three non-propagating stresses with zero wave speed which ...
Christopher M. Kube, Andrew N. Norris
doaj   +1 more source

Pancake sea ice kinematics and dynamics using shipboard stereo video

open access: yesAnnals of Glaciology, 2020
In the marginal ice zone, surface waves drive motion of sea ice floes. The motion of floes relative to each other can cause periodic collisions, and drives the formation of pancake sea ice.
Madison Smith, Jim Thomson
doaj   +1 more source

Simulation analyses of progress process of rail corrugation

open access: yesNihon Kikai Gakkai ronbunshu, 2019
Rail corrugation is such phenomenon that roughness patterns of approximately regular wavelengths are formed on the rail running surface by trains running, and cause the vibration and the noise.
Mitsuo ABOSHI, Hirofumi TANAKA
doaj   +1 more source

Extraction of the significant wave height from synthetic HF radar data acquired on a floating platform

open access: yesIET Radar, Sonar & Navigation, 2023
The usual procedure for extracting ocean surface information from data acquired from a high‐frequency surface wave radar transmitting from a floating platform is to first compensate for the motion of the antenna in the acquired motion‐contaminated ...
Sepideh Hashemi   +2 more
doaj   +1 more source

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