深水波浪 的英文怎麼說
中文拼音 [shēnshuǐbōlàng]
深水波浪
英文
deep water wave- 深 : Ⅰ形容詞1 (從上到下或從外到里的距離大) deep 2 (深奧) difficult; profound 3 (深刻; 深入) thor...
- 水 : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
- 波 : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
- 浪 : Ⅰ名詞1 (波浪)wave; swell; billow; breaker 2 (像波浪起伏的東西) things undulating like waves 3...
- 深水 : deepwater
- 波浪 : wave
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On the basis of many related data from abroad, this thesis is an attempt to simulate the hydrodynamic characters of abyssal gravity cages under the action of currents and waves
本論文正是從這一點出發,根據國外有關抗風浪網箱資料,在試驗室中模擬深水重力式潛網在水流、波浪作用下的受力特性。The water scarcely reached my waist ; the sand was firm and covered with ripple marks, and i waded ashore in great spirits, leaving the hispaniola on her side, with her mainsail trailing wide upon the surface of the bay
水深僅及腰部,沙地堅實,有起伏的波浪。我神采奕奕地登上岸,撇下在海灣水面上張著主帆歪倒向一旁的伊斯班裊拉號。He said : " in my distress i called to the lord, and he answered me
你將我投下深淵,就是海的深處;大水環繞我,你的波浪洪濤都漫過我身。According to dou guoren ' s similarity theory of total sediment transport modeling for estuarine and coastal regions, a generalized physical model of the north - trough of the yangtze river estuary deep channel is designed
摘要根據竇國仁波浪潮流共同作用下的全沙模型相似理論,設計了長江口深水航道北槽概化物理模型。In this report, mathematical models for combined refraction - diffraction waves in water of slowly varying topography are presented
本報告主要沿著適宜於中、小尺度空間的緩變水深水域波浪傳播的數學模型這條主線,對近岸水域中波浪的傳播進行研究。At the same time, being compared with application of the model for non - linear long waves, the knowledge of characteristics of wave propagation models in near shore area is deepened further
並通過和非線性長波的數學模型在具體應用中的對比分析,進一步深化了對近岸水域波浪傳播數學模型特點的認識。Then a simplified computational modal of damping isolation systems is established for a platform structure, and the relationships between the parameters of isolation layer and structural damping ratio, including their vibration - suppressed effect on the whole structure and the relative displacement of isolation layer are studied, and the simulation analysis under several representative load case of random wave force and earthquake affairs is performed. under random wave force, using complex mode theories, non - classically damp problems considering the interaction between the structure and wave, lying in deepwater, are studied. and the resolution solution of structural response are achieved. the results of calculating and analysing show that adding damping isolation to a jacket is an effective way to reduce vibration for offshore platforms
針對某一典型平臺結構,建立了海洋平臺結構阻尼隔振體系簡化計算模型,進行了波浪荷載工況和地震工況的數值模擬,研究了隔振參數與結構阻尼比的關系以及它們對結構整體和隔振層層間相對位移的控制效果,運用復模態理論研究了位於較深水位的固定式導管架海洋平臺在隨機波浪力作用下考慮結構與波浪相互作用時運動方程中非經典阻尼的解耦問題,獲得了結構響應的解析解。From the situ - observation data of shallow and deep water regions at the coastal zone, it is shown statistically that the occurrency of the coupled ocean waves is more than those of the wind - induced waves and swell. the ratio of the coupled ocean waves at the yangtse river estuary ( especially at shallow sea region ) is nearby 70 % of all the ocean waves, for instance at the observation station dajishan
近岸(淺水)波浪測站和深水的波浪觀測資料統計表明,混合浪的出現均大於純風浪和純涌浪,特別在淺水區域,例如大戟山海洋站,混和浪所佔的比率接近70 。Based on the data on scour around large diameter cylinders exposed to waves and currents, effects of every kind of sea enviromental parameters on maximum scour depth are analyzed and guided by dimensional analysis and multidimensional linear regression, an equation is given to compute maximum scour depth around large diameter cylinders in combined waves and currents. compared with some other equations, this equation is more accrete, simpler and clearer and the compute d results are in good agreement with experimental ones
本論文主要是在總結國內外研究成果基礎上,從波浪與水流共同作用下海床上直立大直徑圓柱建築物周圍的局部沖刷機理出發,研究和探討了圓柱周圍的沖淤形態;分析各種海洋環境參數對最大沖刷深度的影響,並利用已取得的實驗資料,採用量綱分析原理和多元線性回歸分析方法,建立一個波流共同作用下海床上直立大直徑圓柱建築物周圍的最大沖刷深度計算公式。An ocean wave passing through deep water causes a particle on the surface to move in a roughly circular orbit, drawing the particle first towards the advancing wave, then up into the wave, then forward with it and then ? as the wave leaves the particles behind ? back to its starting point again
穿過深水的海浪使水面上的一個微粒按照一種近乎圓形的軌道移動,先把微粒拉向前移動的海浪,然後推上波浪,隨著波浪移動,然後? ?當波浪把微粒留在身後時? ?又回到出發點。This kind of instability bulk movement is induced by wave cyclic loading, as a result the slope of bottom bed decrease, water depth increase, and instability bulk movement has the character of subregion, regularity and head erosion, thus it will influence evolvement of region of interest landform, and change flow field and bottom stratum condition continually, so will lead to dynamic influence on structure foundation soil
這種不穩定塊體運動由波浪循環荷載誘發,其結果使底床整體坡度減緩,水深加大,而且不穩定的塊體運動具有小區域、多發性和溯源侵蝕的特點,將繼續影響著海域以後的水深地形的發展演化,並不斷改變著該區的流場與底床地層條件,對構築物地基土的穩定性產生著動態的影響。In period of the eighth five - year plan of china government, correlated and statistical analyses were carried out by nanjing hydraulic research institute in terms of the situ - observation data of winds and waves and historical synoptic chart in order to the dredge of the sea - route of the yangtse river estuary, and empirical relations between wave and wind velocity and between wave and wind region
進入「八五」期間,為整治長江口深水航道需要,南京水利科學研究院曾對引水船測站1960 - 1980年實測風與浪的資料進行過相關分析,結合歷史天氣圖進行的概率統計分析,得出了波浪與風速、風區的經驗關系。In the end, in view of the fact that boussinesq - type equations and the mild slope equations are deduced from different hypothesis conditions and behave differently in simulation of wave propagation, the numerical results of wave propagation effected by strong non - linearity are given by the nonlinear three - dimensional mathematical model which was established for the calculation of 3 - d wave particle velocity and wave pressure and suitable to small size waters of arbitrarily varying depth
最後,鑒于boussinesq型方程和緩坡方程是在不同的假設條件下推導而來,應用於描述近岸水域波浪的傳播變形時具有不同的特點。本報告根據作者所建立的可以對任意水深點流場與波動凈壓力場進行求解、適宜水深任意變化水域非線性波傳播的數學模型,提供了在較強非線性作用下波浪傳播的數值模擬結果。As the values of wave factors in period of reoccurrence were deduced for many significant propagating direction in the yangtse river estuary, the wave reflection - refraction modeling is employed in terms of the equations with the slowly varying topography, and the influence on the effects of the channel and shoaling is included in this model. at the same times, the effects of the bottom friction and wave breaking are also considered, but the local wind field and background flow are ignored
在推算長江口深水航道幾個主要波向的重現期波浪要素值時,採用了基於緩坡方程的波浪折射?繞射模式,該模式考慮了航槽和淺灘對波浪的影響,同時也考慮了底摩擦和波浪破碎對波浪的作用,但未能考慮局地風場和流場的作用。Abstract : the propagation of waves passing over the abrupt changing topograghy can be simplified as a wave passing over a step. this flow process can be reasonably simulated by a 2 - d numerical wave flume developed in this paper, especially for the nonlinear transformation of the wave on the step. numerical results have been verified by experimental data
文摘:波浪在水深劇變地形上的傳播,可以簡化為波浪在臺階地形上的傳播.利用二維數值波浪水槽可以很好地模擬這一過程,特別是對波浪在臺階上的非線性變形.數值計算結果與實驗測量進行了比較,結果吻合良好Firstly, under the curvilinear coordinates, mathematical model for wave propagation in water of slowly topography is presented. the model is suitable to arbitrary boundary shapes and overcomes the limitation of other models with algorithm transformation
首先,基於曲線坐標系,建立了緩變水深水域波浪傳播的數值模擬模型,模型適宜於任意變化的邊界形狀,克服了各種代數坐標變換的局限性。The effects of waves transformation, refraction, diffration, reflection and breaking are all due to the depth of water, varying topography, bottom friction, obstacles and current as waves proceed from offshore to near shore regions. some basic parameters which are relevant to the cost of buildings as well as the type of structures are determined by the wave factors since these projects are placed in near shore area, so it is of great importance to study the regularity of wave transforming
外海波浪傳入近岸淺水區受水深、地形、底摩擦、障礙物以及水流等因素的影響,會發生變形、折射、繞射、反射和破碎等各種現象,然而大部分海洋及海岸工程位於近岸地區,該地區的波浪要素將是確定工程造價、建築物型式等最基本的參數,因此研究近岸地區波浪的變化規律具有重要意義。Abstract : a numerical model for wave propagation in water of varying topography and current is proposed, and time - dependent wave mild - slope equation with a dissipation term and corresponding equivalent governing equations are presented. two different expressions of parabolic approximations for the case of the absence of current are also given and analyzed. examples of numerical simulation for wave transformation in large estuarine water areas are provided
文摘:提出了水深與流場緩變水域波浪傳播數學模型水流中依賴時間變量並考慮能耗的波浪「緩坡方程」及其等價的控制方程組,分析比較了無水流情況此理論模型與其相應的兩種拋物型近似的差別,提供了長江口波浪變形數值模擬計算工程實例.實例表明,該模型能適應河口三角洲大范圍水域波浪傳播數值計算As surface waves propagate from deep to shallow water, the wave will take series of transformation including shoaling, refraction, diffraction, reflection, breaking and energy dissipation due to the effect of topography and various hydraulic structures
波浪由深海向海岸傳播過程中,由於地形和水工建築物等因素的影響,將發生淺水變形、折射、繞射、反射、破碎以及能量耗散等波浪變形現象。Furthermore, the values of wind velocities obtained from the situ - observation data of the ship - stations ( 50, 25 ) are used to denote the wind velocities on the costal zone in the east of the yangtse river estuary and they are as the values of the wind velocities to deduce the wave factors in 20 meters deep
此外,應用引水船測站實測風資料推算得到的50年一遇、 25年一遇和一年一遇的風速值來代表長江口以東大面積水域上風速並作為推算水深- 20m波浪要素的風速值。分享友人