Results 31 to 40 of about 4,690,414 (330)

Numerical Study to Evaluate Course-Keeping Ability in Regular Waves using Weather Vaning Simulation

open access: yes한국해양공학회지, 2021
Since the introduction of the mandatory energy efficiency design index (EEDI), several studies have been conducted on the maneuverability of waves owing to the decrease in engine power.
In-Tae Kim, Sang-Hyun Kim
doaj   +1 more source

Inspiration of marine sponges to design a structure for managing the coastal hydrodynamics and protection: numerical study

open access: yesFrontiers in Marine Science, 2023
Climate changes and sediment discharge within the oceans trigger many problems, such as coastline erosion and coral reef extinction hazards. Therefore, it is crucial to control wave hydrodynamics in the desired manner to protect marine environments.
Masoumeh Hashempour, Morteza Kolahdoozan
doaj   +1 more source

The regularity of geodesics in impulsive pp-waves [PDF]

open access: yesGeneral Relativity and Gravitation, 2013
We consider the geodesic equation in impulsive pp-wave space-times in Rosen form, where the metric is of Lipschitz regularity. We prove that the geodesics (in the sense of Caratheodory) are actually continuously differentiable, thereby rigorously justifying the $C^1$-matching procedure which has been used in the literature to explicitly derive the ...
Lecke, Alexander   +2 more
openaire   +4 more sources

Numerical Study on Regular Wave Shoaling, De-Shoaling and Decomposition of Free/Bound Waves on Gentle and Steep Foreshores

open access: yesJournal of Marine Science and Engineering, 2020
Numerical tests are performed to investigate wave transformations of nonlinear nonbreaking regular waves with normal incidence to the shore in decreasing and increasing water depth.
M. R. Eldrup, Thomas Lykke Andersen
semanticscholar   +1 more source

Sloshing Response of an Aquaculture Vessel: An Experimental Study

open access: yesJournal of Marine Science and Engineering, 2023
The sloshing response is crucial to the design and operation of aquaculture vessels and affects the safety of the culture equipment and the efficiency of the culture operation. A 1/50 scaled model was utilized to investigate the coupled sloshing response
Yanwu Tao   +7 more
doaj   +1 more source

A Remark on Regularity of Solutions to Wave Equations [PDF]

open access: yesTokyo Journal of Mathematics, 2015
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
SAEKI, Naoya, WADA, Takeshi
openaire   +2 more sources

Effects of Hull Shape on Primary Conversion Characteristics of a Floating OWC ”Backward Bent Duct Buoy”

open access: yesJournal of Fluid Science and Technology, 2008
Backward Bent Duct Buoy (BBDB) is a type of oscillating water column (OWC) wave energy converter invented by Masuda. BBDB is said to have superior primary conversion efficiency with maintaining small mooring costs.
Kazutaka TOYOTA   +3 more
doaj   +1 more source

Generalized wave-front reconstruction algorithm applied in a Shack-Hartmann test [PDF]

open access: yes, 2000
A generalized numerical wave-front reconstruction method is proposed that is suitable for diversified irregular pupil shapes of optical systems to be measured. That is, to make a generalized and regular normal equation set, the test domain is extended to
Zhang, Zhenchao, Zou, Weiyao
core   +1 more source

Thrust Enhancement of DTMB 5415 with Elastic Flapping Foil in Regular Head Waves

open access: yesJournal of Marine Science and Engineering, 2023
Recent studies indicate that bow foil biomimetic systems can significantly improve ship propulsion in waves. In this paper, the DTMB 5415 ship model is taken as the object and a semi-active elastic flapping foil is proposed to install at its bow ...
Lei Mei   +3 more
doaj   +1 more source

Experimental Study of the Morphological Evolution of a Reef Island under Regular Waves

open access: yesRedai dili, 2023
Reef islands are composed of unconsolidated carbonate sediment from the reef that has been organized and deposited on an atoll and platform reef by ocean hydrodynamics.
Zhang Xinyi   +3 more
doaj   +1 more source

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