波浪情況 的英文怎麼說

中文拼音 [làngqíngkuàng]
波浪情況 英文
wave conditions
  • : 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...
  • : Ⅰ名詞1 (波浪)wave; swell; billow; breaker 2 (像波浪起伏的東西) things undulating like waves 3...
  • : 名詞1 (感情) feeling; affection; sentiment 2 (情分; 情面) favour; kindness; sensibilities; fe...
  • : Ⅰ名詞1 (情形) condition; situation 2 (姓氏) a surname Ⅱ動詞(比方) compare Ⅲ連詞[書面語] (...
  • 波浪 : wave
  1. The rps tin coating presented a typical wavy multi - layered structure, and the adhesive state among the layers is in good condition, without distinct interfaces

    Tin塗層呈狀多層組織,塗層組織緻密,層間結合良好。
  2. Especially for ship and ocean - platform structure, there are a lot of stochastic factors affecting their design, for example, wave, tidewater and wind which act on the ship surface are indeterminate ; material data and dimension data provided may be not completely consistent with that of real structure ; some hypothesis, for convenience and simplification, make the calculation model is not the same as the real structure

    特別對船舶與海洋平臺等結構,影響結構設計的隨機因素很多,例如作用在船舶上的、潮水和風荷載都是不確定的;結構中用的材料物理性能數據可能與提供的有所差異;名義尺寸也可能與實際結構不完全一致;計算中引進的一些假設,也會使計算模式與實際有所偏離等等。
  3. Finally, the paper introduces the test of wave simulation by wave - making system that has improved. the test data indicate that it is able to competent at wave simulation of sea wave spectrum for shipmodel test, we have changed the situation that the wave - making system ca n ' t simulated sea waves. and have established the foundation for the quality of improving the scientific research of our school and experiment teaching further

    最後,本文介紹了對改造后的造系統進行模擬測試,試驗數據表明,該造機經過升級改造,完全可以勝任對船模耐性試驗所要求的海譜的模擬,並且還可以根據需要模擬任意的海譜,模擬精度達到試驗要求。
  4. In this paper the characters of rig and heavy lift vessel, the transportation market of rig and heavy - lift vessel operation are introduced ; the process and content of the feasibility analysis of rig transportation using heavy - lift vessel are described ; the metocean database imdss and the strip theory used in feasibility analysis are introduced and evaluated

    本文介紹了海洋平臺的特點和海洋平臺運輸市場的;半潛船的特點以及用半潛船運輸海洋平臺的載運工程的過程。探討了半潛船運輸鉆井平臺可行性分析的方法和內容,提出並評價了可行性分析中用到的遭遇風數據庫imdss 、理論、切片法等技術。
  5. The results show that the physical and chemical conditions of the corn belt phaeozem have significant different in different profile morphological characteristics. in another way, soil composition of three phases, content of available water, nutrient content and composition of humus have significant different in different profile morphological characteristics. among three groups of profile morphological characteristics, corn yields of phaeozem in " flat type " boundary soil ( depth = 30cm ) were the most, reached 8. 22t / hm2on average. corn yields of phaeozem in " wave type " boundary soil ( depth = 15cm ) reached 7. 55t / hm2 on average

    這兩種界面構造對玉米產量影響差異顯著, 「平面型」界面土壤抗逆性較強,產量最高,平均產量達8 . 23t / hm ~ 2 ,而「型」界面土壤抗逆性較差,它可以分為兩種:當耕層厚度15cm時,產量處于中等水平,平均產量為7 . 55t / hm ~ 2 ;當耕層厚度15cm時,產量最低,平均產量為6 . 65t / hm ~ 2 ,此種土壤處于丘陵漫崗區,產量受水土流失影響較大。
  6. Based on the ship course control system, h wave filter using the linear wave model is designed and simulated through three aspects

    3我們以船舶航向控制系統為基礎,採用線性海模型設計了一個h _海器,並分三種對該濾器進行了詳細的模擬。
  7. The selection and determination of the mode of operation or profit making are the perpetual subjects of an enterprise. when the value chain concept was raised and introduced into the business circle and the management area, it has gained wider and wider application, but more in - depth research is still lacking. even the initiator of this concept michael porter has no further systematic continuation

    由邁克爾?特在1985年提出價值鏈概念至今雖已歷經20年有餘,但在我國卻並未得到很好的理解和應用,誤讀誤釋和誤用甚至濫用的屢見不鮮,其中尤以一股腦兒的把erp 、 tqm 、 bpr 、 crm 、 5s 、 6 、 jit 、 scm 、 amt以及其他的「快速修理工具」當成價值鏈構件的做法貽害最甚,殊不知在企業/戰略事業的價值鏈底層作業及其作業間的連接缺乏內在有效性的條件下,採用這些所謂的先進方法的後果只能是更加重復無效、費甚至錯誤。
  8. The advances in the research on coastal disasters, coastal ecological environments, waves and currents, coastal sediments and morphological changes, and coastal structures in japan are introduced by summarizing the papers which were presented in the annual conference on coastal engineering in japan

    摘要介紹了日本第52回海岸工學講演會的概,從海岸災害、海岸生態環境、與水流、海岸泥沙運動與地形變化、海岸建築物等5個方面綜述了日本海岸工程研究的進展
  9. The problem of non - classically damp, after the structure ' s damp and linear water ' s damp are added up, are solved by way of complex mode transformation, and the dynamic responses of a offshore platform are studied under the circumstances of thinking about the mutual effect or not

    復模態變換解決結構阻尼與線性化后的水阻尼迭加后不具有經典阻尼的特點而產生的計算問題,針對某典型鋼質海洋平臺在考慮和不考慮力與平臺結構相互作用的兩種下,進行了動力響應數值分析和研究。
  10. Through analyzing bed ' s response to wave, in the condition that super - stratum is more hard and second - stratum is more soft in region of interest, super static interstitial hydraulic pressure amplitude die away rapidly between stratums, before in sight of boundary between hard and soft stratum, plane effective pressure increase to max. shear stress reach peak value when bed thickness is approximately 2. 7 meters, then it will decrease to the minimum on the place where the flexible soil has a common boundary with the rigidity, so the boundary is the most destroy plane on engineering. on the basis of reconnaissance in situ, in normal situation of sea, the structure slides to the basin along the boundary

    通過對底床在下的響應分析,對于研究區底床上層較硬而第二層較軟的,超靜孔隙水壓力幅值在層間交界處迅速衰減,在臨近硬、軟地層交界處前,水平有效應力增至最大,剪切應力在底床厚度大約2 . 7米左右達到峰值,然後減小,到硬、軟層土交界位置,達到最小,因此這個界面就是最容易發生破壞的工程軟弱面,現場勘查證明,即使在正常海下,構築物也會沿坡以此交界面為滑動面,緩慢向「盆」底滑動。
  11. Firstly, while the nominal model is used, the filtering effect is very good. secondly, when the system model is n ' t definite, the filtered heading angle and rudder angle are steady in the error range. finally, when the complicated nonlinear wave model replaces the linear wave model, the filtering effect is also steady, and the estimate precision is high

    首先,模擬是在名義模型的下進行的,此時h _濾器的濾效果很好;其次,我們在系統模型具有攝動的下進行模擬,此時經h _濾器濾后的航向輸出和舵令輸出基本能夠達到穩定;最後,我們採用較復雜的非線性海模型代替線性海模型進行模擬, h _濾器的濾效果也是比較穩定的,並且估計精度較高。
  12. 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傳播數學模型水流中依賴時間變量並考慮能耗的「緩坡方程」及其等價的控制方程組,分析比較了無水流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傳播數值計算
  13. Based on biot ' s consolidation and simplified sea - bed to two dimensional sea - bed, numerical simulation about the response of sea bed to waves is developed. the assumption was wielding, such as linear wave loading, linear elastic skeleton of soil and darcy ' s law flow

    本文選用了基於biot固結理論,將海床進行二維簡化的下海床對響應的數學模型,在模型中採用下列假定:線性作用,線彈性土骨架,孔隙流體的流動滿足達西定律。
  14. A numerical calculation is developed about the response of sea - bed to wave loading on the yellow river delta. we find that : ( 1 ) the effects of wave parameters and soil characteristics on the response of sea - bed to waves are obvious : wave height and wave length are important parameters among wave parameters ; shear modulus is dominating parameter among soil parameters

    並針對黃河口海域的實際作了數值計算,分析得到, ( 1 )影響海床響應的控制因素:在參數中,高,長是主要的控制參量;在海床介質參數中,剪切模量是主要的控制參量。
  15. This paper describes the application of semi - circular breakwater at home and abroad and the design innovation and optimization of semi - circular jetty in yangtze estuary deepwater channel regulation project, esp. the design of estuary jetty structure using semi - circular floating caissons ; a new calculation method for wave forces acting on the submerged semi - circular estuary jetty and the optimization design method for semi - circular structures are recommended

    摘要介紹半圓型防堤和河口導堤在國內外的應用概及在長江口深水航道治理工程中對半圓型導堤的設計創新和優化半圓型浮式沉箱的導堤結構型式,提出堤頂淹沒下半圓型導堤力的計算方法以及半圓型結構的優化設計方法等。
  16. The water - exit movement of the submarine - based powerless missile which is horizontally or vertically launched is solved. the change trend of force and moment which are put on the missile is given. the effects of ocean current and wave that affect the missile is studied based on the front work

    本文建立了導彈出水運動數學模型,採用定步長四階龍格-庫塔( runge - kutta )法求解了潛載無動力導彈水平發射和垂直發射的出水運動過程;給出了導彈出水過程中所受力和力矩載荷的變化,並在此基礎上分別研究了海流和對導彈的影響。
  17. There was no wind stirring to help me, and all i could do with my paddlers signify d nothing, and now i began to give my self over for lost ; for as the current was on both sides the island, i knew in a few leagues distance they must joyn again, and then i was irrecoverably gone ; nor did i see any possibility of avoiding it ; so that i had no prospect before me but of perishing ; not by the sea, for that was calm enough, but of starving for hunger

    我在這兒把船停了兩天,因為那兩天一直刮東南風,風向偏東,而且風也不校風向正好與我上面提到的那股急流的方向相反,因而在岬角附近的海面濤洶涌。在這種下,如果我靠近海岸航行,就會碰到大,如果我遠離海岸航行,又會碰到急流,所以怎麼走都不安全。
  18. The results based on the experiments under steady current and under current - wave interaction show that it is necessary to analyze the dynamic conditions of wave and current in calculation of scour depth around practical bridge piers

    同時,通過單向水流和水流兩種沖深結果比較,指出在預測流共同作用下的大型橋墩局部沖深時,不應將兩種動力條件進行簡單的迭加,而應具體問題具體分析。
  19. At present, many fields remain to further research, especially the profound combination of gis technique with ece ( estuarine and coastal engineering ), which should be developed for the purposes as follows : ( 1 ) to serve the huge comprehensive work in changeable natural conditions and difficult construction conditions which takes a long period and covers a large region, e. g. the regulation work of deepwater channel in the yre ( yangtze river estuary ) ( 2 ) to combine the gis with applied numerical model ( 3 ) to study the hydrodynamic processes and characteristics of waves, tidal currents and sediment transport, as well as the affection carried by the regulation work in an estuary ( 4 ) to monitor and to analyze ees ( evolution of erosion and sedimentation ) and the variation of riverbed ( 5 ) to play a role of dynamic supervising of a engineering project

    目前尚有許多有待進一步研究的領域,尤其是以服務于長江口深水航道治理這樣規模大、周期長、影響區域廣、自然條件復雜、施工多變的國家重點工程為目的,將gis與專業應用數學模型結合,對河口海岸、潮流、泥沙運動的動力機制,以及整治工程建築物對其影響的研究,對入海航道沖淤和河勢演變的監測分析,對施工進展和工程效果實現「動態」監控和管理,尚缺乏同gis技術的深入有效結合。
  20. By the simulation results, it is verified to have excellent performance. a class of uncertain nonlinear systems which can be transformed into strict feedback nonlinear systems is investigated based on feedback linearization approach of differential geometry. an adaptive robust controller with l2 - gain is proposed by using backstepping technique. the numerical method is given and it is proved to be practical by simulation results. lt is a more practical method to solve hji for a special nonlinear system because the problem to solve hji is very difficult in general case, and only get the approximate solution when it can be solved. an effective method to solve hji is presented for a class of nonlinear system which is ordinary

    考慮到一般下,求解hji是非常困難的,並且也只能得到近似解,因此,在系統設計時,針對具體非線性系統的特殊結構以求解hfl是系統設計的一種行之有效的方法,基於以上考慮,對一類具有廣泛工程背景的非線性系統,提出了一種求解hfl的有效方法,便於實際應用。最後,從能譜的角度,研究隨機海的模擬問題,給出了船舶橫搖模擬中需要的隨機海有效傾角的模擬方法。
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