نتایج جستجو برای: berm seawall

تعداد نتایج: 511  

Journal: :international journal of marine science and engineering 2013
a. r. bakhtiari m. fathi moghadam

this paper presents an experimental study the influence of wave parameter on the damage of reshaping seawall, model tests have been performed in several water level conditions. the experiments of physical modeling of this research have been done in the flume of the soil conservation and watershed management research institute (scwmri). the waves applied to the structure model are irregular and ...

Journal: :Journal of Marine Science and Engineering 2022

The present study reports on a series of laboratory experiments aiming to understand and optimize the deployment seawall defences over low-lying coral reef flats. is performed in purely cross-shore configuration, with varying wave forcing, water depth, shapes positions along flat. observations reveal individual combined effects external parameters. A higher efficiency reached for low waves, sha...

A. R. Bakhtiari, M. Fathi Moghadam

This paper presents an experimental study the influence of wave parameter on the damage of reshaping seawall, model tests have been performed in several water level conditions. The experiments of physical modeling of this research have been done in the flume of the Soil Conservation and Watershed Management Research Institute (SCWMRI). The waves applied to the structure model are irregular and ...

2011
Alan Shieh Srikanth Kandula Albert G. Greenberg Changhoon Kim Bikas Saha

While today’s data centers are multiplexed across many non-cooperating applications, they lack effective means to share their network. Relying on TCP’s congestion control, as we show from experiments in production data centers, opens up the network to denial of service attacks and performance interference. We present Seawall, a network bandwidth allocation scheme that divides network capacity b...

2017
Rebecca L Morris M Gee Chapman Louise B Firth Ross A Coleman

The construction of artificial structures in the marine environment is increasing globally. Eco-engineering aims to mitigate the negative ecological impacts of built infrastructure through designing structures to be multifunctional, benefiting both humans and nature. To date, the focus of eco-engineering has largely been on benefits for benthic invertebrates and algae. Here, the potential effec...

2006
Shichang Yan Qibo Liu Weiguo Chen Guoping Chen

This paper discusses the effect of berm width and elevation of coastal levees with steep slopes on irregular wave run-up. Based on the model tests, effect of the berm width and elevation on composite slopes is analyzed. The formula for reduction coefficient of wave run-up is obtained.

ژورنال: مهندسی دریا 2012

The predominant principle included in the design of reshaping berm breakwaters is the supply of a wide berm at or nearby the water level with less armor stone size than that used in conventional design, which are allowed to reshape until an equilibrium slope is attained. In the present study, the recession of the berm due to wave and structure parameters has been investigated based on two dimen...

ژورنال: مهندسی دریا 2009
آق تومان, پیمان, شفیعی فر, مهدی, مقیم, محمد نوید, چگینی, وحید,

The berm recession of a reshaping berm breakwater has a very important role in the stability and reshaping of this structure. In this research, the recession of the berm due to wave parameters has been studied based on 2D experimental modeling method in a wave flume. Irregular waves with JONSWAP spectrum were used. A total of 60 tests have been performed to cover the impact of wave parameters s...

2011
Michael J. Anderson Bryan Catanzaro Jike Chong Ekaterina Gonina Kurt Keutzer Chao-Yue Lai Mark Murphy David Sheffield Bor-Yiing Su Narayanan Sundaram

Himanshu Raj of Microsoft asked about the difference between Gatekeeper and Seawall. The primary difference is that Gatekeeper divides available bandwidth between different tenants (where each tenant has multiple VMs), whereas Seawall only allocates available bandwidth between different flows. Wenji Wu of Fermilab asked how one knows to set the limits to the minimum bandwidth required by each s...

ژورنال: مهندسی دریا 2019

Breakwaters have changed a lot during their design history. Overtopping is an important parameter that its evaluation and reduction has always been noticed. In this study, the wave overtopping of composite berm breakwater as a new conceptual structure has been investigated numerical modeling was performed using FLOW-3D software. Then, based on  a laboratory model conducted by Losada et al, cali...

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