波浪參數 的英文怎麼說

中文拼音 [làngshēnshǔ]
波浪參數 英文
wave parameters
  • : 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...
  • : 參構詞成分。
  • : 數副詞(屢次) frequently; repeatedly
  • 波浪 : wave
  1. We look for the optimum alternative on the basis of analyzing the internal connection of the diffluent piers body style parameters and the wave

    在分析分流墩體型間的內在聯系的基礎上,尋找較優的分流墩方案,並在理論分析的基礎上提出一些經驗公式。
  2. A one - dimensional oceanic mixed layer model with the m - y level - 2. 5 turbulence closure schemes is employed. the rate of energy loss by breaking waves is estimated by parameterization and incorporated into the model as a source of turbulence kinetic energy ( tke ) by modifying the existing surface boundary condition of tke equation. the velocity field and turbulence energy budget are calculated under different forcing conditions ( the results given below are for a wind speed of 20 m / s. )

    採用一維2 . 5階湍封閉混合層模式,根據化方法對破碎導致的能量耗散率進行了估計,通過改變湍動能方程的上邊界條件引入破碎對湍動能生成的影響,計算了不同風應力強迫下的混合層流場結構和湍能量收支(下述給出的結果是取風速為20m s得到的) 。
  3. What ' s more, we put forward some experienced formulas on the basis of the cortical analysis. the result of the research show that by installing diffluent piers with low ridge, we can eliminate the root of oscillatiny water jump, perfect the energy dissipation effect of water jump, also, we can improve the flow condition of down - stream. the fact that the main flow of down - stream is in the middle, not only effectively lower the speed of the bottom flow in the ridge rear, alleviate the erosion to the river bed, but also avoid the heavy wave resulted from the main flow in the surface, thus improve the surface wave of down - stream obviously. we can work out the body style parameters of diffluent piers with low ridge according to the project flow condition and experience formulas, and then reckon the down - stream surface wave condition for the protected building of the down - stream bank

    研究結果表明:設置低坎分流墩后,消除了擺動水躍水舌擺動的根源,提高了水躍的消能效果,改善了下游水流流態。下游水體的主流在中部,既有效的降低了坎后水流底流速,減輕水流對河床的沖刷,又避免了主流位於表面導致過大的結果,下游的水面明顯得到削減。依據經驗公式,可根據工程水流條件設計出低坎分流墩的體型,進而估算出下游沿程的水面,為下游岸邊的砌護提供依據。
  4. In the study of directional spectrum and reflection coefficient of multidirectional wave, firstly the wave elevation trains overlapped by the incident wave and the reflected wave of multidirectional wave are simulated in the method of a frequency corresponding to a direction. then the composed wave trains are analyzed respectively by the mbdm and the mmlm. during the numerical study, the input factors include the various wave parameters, the different measuring wave system and the various reflect characteristic

    在多向不規則入射方向譜和反射系的分析研究中,利用方向頻率對應法模擬了多向不規則入射與反射疊加的面序列,將此合成列分別應用mbdm和mmlm進行分析,通過輸入各種量、不同測量系統和各種反射特性等因子,檢驗了mbdm和mmlm方法的適用條件,對兩種分析方法的性能進行了比較分析。
  5. As a newly developed high - performance ship, wave piercing catamaran ( wpc ) has been applied and investigated more and more extensively. in this paper, the theoretic calculation method of wave resistance of a kind of wave piercing passenger catamaran with 500 passengers has been researched, including the ship lines optimization ; the fast speed experiment research work and the research of the relation between the principal dimensions and the resistance. the relation between the wave piercing catamaran and the ship form parameters has been further researched, and also some useful theoretic basis and practical means have been provided for its practical engineering appliance

    本文以「 500客位穿雙體船」為研究對象,對穿雙體船興阻力理論計算和船型優化方法進行了研究,其主要研究內容如下:一、穿雙體船的線型優化二、穿雙體船快速性理論與試驗研究三、穿雙體船主尺度與快速性的關系通過以上內容,較深入的研究了穿雙體船船型與快速性的關系,為其在實際工程中的應用提供了理論依據和解決方法。
  6. This paper applies ittc single - parameter ocean wave spectrum to simulate a random long - crested ocean wave according to statistics superposition theory and real - time simulate disturbance on the ship by random wave. it simulates roll and pitch of the ship in random wave in the time domain and gains roll angle ( t ) and pitch angle ( t ) signal of ship rolling movement

    本文根據統計疊加理論,採用ittc單標準海譜模擬模擬實際的長峰隨機海,進而實時模擬長峰隨機海對船舶的隨機擾動,對船舶在海中的橫搖和縱搖運動進行了時域模擬,得到船舶搖蕩運動的橫搖角信號( t )和縱搖角信號( t ) 。
  7. Wave is one of the most important parameter of the numerous oceanic parameters, how to measure the wave is very important also

    在眾多的海洋中,是其中最重要的之一,測量海洋高也就特別重要了。
  8. 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,進行了荷載工況和地震工況的值模擬,研究了隔振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力作用下考慮結構與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。
  9. 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。
  10. The sliding mode controller with the line - of - sight ( los ) guidance is adopted for the rudder control to steer the ship in waves with the functions of track keeping and roll reduction, in which the design parameters are optimized from genetic algorithm

    配合los導引的滑動模式控制器是以操舵控制的方式,使船隻在中的航跡能維持在既定航線並降低橫搖量,而控制器的設計是以基因演演算法來求得最佳化。
  11. Based on the experimental results for different wave height, wave period and the relative clearance of underside of the wharf deck, the properties of wave impact pressure on wharf deck are studied. the distribution of impact pressure along the underside of the deck model is analyzed. the influence of different incident wave parameters, structure dimension and relative clearance s / h1 / 3 on the impact pressure is discussed

    通過對不同波浪參數、結構物尺度、結構物與靜水面的距離等情形的試驗結果的比較分析,研究隨機對不同接岸型式碼頭面板的沖擊壓力特性,分析沖擊壓力沿碼頭面板底面的分佈規律,討論入射要素、結構物尺度、結構物相對凈空等要素對碼頭面板底面所受的沖擊壓力的影響規律,給出便於工程應用的計算沖擊壓力的經驗公式。
  12. In this paper, we present the basic principle of dual flap wave - maker and the producing of driving signal firstly, and then the influence of two distinct fft methods with the same wave signal to the primary parameters of wave spectrum

    摘要敘述了採用雙搖板造系統的基本思想及雙搖板造信號的生成,並分析了同一信號用不同譜分析法對所得主要譜的影響。
  13. Applying the method studied in this thesis, theoretical calculation of certain container ship in regular wave has been done on ship motion and hydrodynamic pressure. it also has the results compared with those obtained under multipole conditions in the model tests. as a consequence, we abstract some characteristics of the distribution of instantaneous hydrodynamic pressure on ship wet surface, and the distribution changes with forward speed and wave parameters

    利用本文方法對某集裝箱船進行了規則中的船舶運動和水動壓力的理論計算,並與船模水池試驗所提供的多狀態的壓力分佈據相比較,得出船體表面瞬時壓力的分佈及其隨航速和波浪參數變化的某些規律。
  14. Design procedure of u - shaped anti - rolling tank system is established, and program of scale design for tank is summarized, and an innovation selecting the natural frequency of controlled passive anti - rolling tank is put forward according to variation range of wave frequency, the natural frequency of rolling of a ship and other influencing factors, and causes of formation of tank damping and motion state of water in tank are studied, calculation formula of the u - tube tank damping and design method of tank damping configuration are given, and the influence of tank vertical location within the ship on ship parameters, stabilization performance of tank and water motion in tank is studied

    建立了完整的u型減搖水艙系統設計程序;總結了u型減搖水艙尺度設計;提出了根據頻率變化范圍、船舶固有頻率變化范圍和其它影響因素,選取可控被動式減搖水艙固有頻率的新方法;分析了u型減搖水艙阻尼的形成原因,給出了估算水艙阻尼和設計水艙阻尼結構的方法;研究了減搖水艙在船舶中的垂直位置布置對船舶、水艙減搖性能和艙內流體運動性能的影響。
  15. 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,該地區的要素將是確定工程造價、建築物型式等最基本的,因此研究近岸地區的變化規律具有重要意義。
  16. Based on the potential theory, linear and fully nonlinear aerodynamic forces and motions of a wing flying above sea - waves are studied numerically. and the effects of the characteristic parameters of wing and sea waves on the aerodynamic forces are acting on the wig are analyzed systematically in this thesis

    本文基於勢流理論計算研究了二維和三維機翼在風擾動中的線性和全非線性氣動力及其運動響應,全面分析了機翼和的特徵對氣動力的影響,得出了很多有意義的結果。
  17. The results show that of the resolution of the directional distribution is higher the mbdm than the mmlm and while of the resolution of the reflection coefficient higher the mmlm than the mbdm. the two methods are sensitive to the array disposal of wave gauges and the resolution power of t he analyzing results by the polygon array is better, while the linear array worse. the wave gauge number of array and the distance between the array and the reflector can influence strongly the resolution power of the analyzing results

    結果表明,對于方向分佈的分析, mbdm的分辨力高於mmlm ,對于反射系方向分佈的估算, mmlm優于mbdm ;儀器陣列的布置、儀器個以及陣列與反射面的最近距離對兩種方法分析結果的分辨力影響較大; mmlm的收斂速度快于mbdm ,計算的穩定性優于mbdm ; mbdm的分辨力受超選擇的影響。
  18. 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情況作了值計算,分析得到, ( 1 )影響海床響應的控制因素:在波浪參數中,高,長是主要的控制量;在海床介質中,剪切模量是主要的控制量。
  19. The paper also utilized vb and visal fortran two kinds of programming languages and worked out waves of making and control the software again, this software is operated under windows operating system, way to operate through the menu, can be finished producing from the wave signal data file under a window, make wave control, spectrum analyse and wave machine initialize and parameter person who set up work to data that gather, it is simple and convenient to operate

    本文還利用vb與visualfortran兩種編程語言重新開發了造控制軟體,該軟體運行在windows操作系統下,通過菜單操作的方式,在一個窗口下就可以完成從信號據文件生成、造控制、對採集的據進行譜分析以及造機初始化及設置等全部工作,操作簡單方便。
  20. This paper contains a useful smmary of log normal distribution, weibull distribution and the k - distribution. the weibull distribution may well extend to phenomena other than radar including radiation scattered from turbulent or rough surface

    對雷達來說,海面是極其復雜的反射體,關鍵是找出一些合適的,以便建立一個描述海一回依從關系的學模型。
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