波浪模型 的英文怎麼說
中文拼音 [bōlàngmóxíng]
波浪模型
英文
wave model- 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...
- 模 : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
- 波浪 : wave
- 模型 : 1 (仿製實物) model; pattern 2 (制砂型的工具) mould; pattern3 (模子) model set; mould patter...
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Based on the study of sediment transport under the actions of tidal currents and wind waves, a mathematical model of suspended load and bed load for yangtze estuary is developed
摘要通過對長江口徑流、潮流和波浪共同作用下的泥沙運動規律的研究,開發並建立了長江口全沙(懸沙和底沙)數學模型。The wave is subscribed by regular and stochastic wave theory. the wave force acting on the offshore platform is calculated by the morison equation
分別採用規則波理論和隨機波理論描述海浪模型,通過線性化的morison方程計算平臺承受的波浪力。Secondly, a mathematical model suitable to large coastal region is developed, whose governing equations are deduced from the mild slope equation with dissipation terms and discretized with crank - nicolson scheme. this model is accurate and easy to be applied
其次,將包含底摩阻耗散項的緩坡方程化為等價的控制方程組,採用crank - nicolson格式離散方程組,建立了適宜於大范圍水域內波浪傳播的數學模型。Second, the imaging model built here has taken into account the tilt modulation, the hydrodynamic modulation, and current modulations of radar cross section. consequently, it has realized the imaging simulation of four kinds of wakes with the same imaging model. third, the orbital velocity of ocean wave was considered as the basic dynamic factor, and the imaging model calculates the influence on raw data by the wave m ovement according to the orbital velocity
該模型的主要特點是: ( 1 )它採用了三尺度復合表面模型的思想來計算海面的電磁散射,考慮了中等尺度波對紋波的進一步調製作用,彌補了傳統雙尺度模型的不足; ( 1 )它考慮了海浪的傾斜調製作用、流體動力調製作用和流場對雷達截面的調製作用,實現了用統一的模擬模型對四種艦船尾跡特徵進行成像模擬; ( 3 )它把海面長波的軌道速度作為基本的動態成分,並依此來考慮海面運動對sar回波信號的影響。Super - resolution spatial spectrum estimation is applied in this dissertation to realize bearing resolution by utilizing the different bearings between targets and first - order sea echoes. the simulation of radar echoes in one resolution cell is presented based on the theoretically analyzing hf sea clutter sea clutter reflection characteristic and sea echo spectrum stretching mechanics
本文從分析高頻海雜波反射特性以及平臺運動引起海浪展寬機理入手,建立便於理論研究的一階展寬的海雜波和二階海雜波模型;在分辨單元上對雷達回波信號進行了模擬。In this paper, the numerical harbor should include following contents : 1. database of wave field, tidal current field, sediment field in researched area ; 2. database of ship styles. 3. numerical model used to analysis data. 4. plans of outer dike, utilities of sea line, and selections of waterway, which based on the above databases
本文認為,對于港區而言,數值化的內容應包括以下幾個方面: ( l )所研究港區的波浪場、潮流場及泥沙場等自然條件數據庫的建立; ( 2 )船型數據庫的建立; ( 3 )數值分析模式的建立; ( 4 )提出建立在自然條件基礎之上的外堤布置、碼頭岸線利用策略及航道的擬定方案(即優化模式的建立) ; ( 5 )按照經濟最優原理快速準確地提出碼頭裝卸的策略及當前方案。This paper done deepgoing theoretical studies on the nonlinear dynamical analysis of tension leg platform ( tlp ) in waves based on reasonable mathematical model, revealed some important phenomenon, and gave out integral analysis theories and computational method. the main parts of the paper are as follows : 1
本文針對深海張力腿平臺本體在波浪作用下的非線性動力分析問題進行了深入的理論研究,建立了合理的數學模型描述了相關的問題,揭示了一些重要現象,提出了完整的張力腿平臺本體非線性動力分析理論和計算方法。Firstly, a representative wind and wave model, which could both simulate the main characteristics of wig over sea waves and be suitable for numerical calculation, is presented. the model completely considers the fully nonlinear effect of wave surface on the wavy air flow, separates the disturbance of wave surface from the wing - air wave interaction flow, and overcomes the numerical calculation difficulties due to the large difference of dimensions between wing and water waves
首先針對機翼在風浪中的非定常非線性氣動力問題,提出了一個既能夠反映風浪場主要特徵又適合於數值計算的風浪場模型,該模型完整地考慮了波浪表面對氣流場的全非線性影響,使波面對流場的擾動分離出來,消除了機翼和波浪幾何尺度上的巨大差異帶來的數值計算上的困難。Observed tidal harmonic constants in many stations are used to verify the astronomical tides in the compound fluid model. the wave model is tested by a set of wave flume data at first. then the results are compared by the actual processes of significant wave height in gauging stations
其中復合流場模型中的天文潮利用眾多測站的實測調和常數進行驗證;波浪模型首先進行了水槽實驗的檢驗,然後在臺風過程中,進行了測站有效波高過程線的比較。The computer speed is speeded up. the numerical results of the present models are in agreement with the theoretical solution and those of physical models. systematical numerical tests show that the present models can reasonably simulate the wave transformation, such as shoaling, refraction, diffraction, reflection, effect of currents and so on
比較詳細的模型驗證與應用表明,模型的數值模擬結果與解析解、物模實驗值吻合良好;可以較好地模擬波浪傳播過程中的淺水變形、折射、繞射和反射等多種現象;能正確合理地反映水流對波浪傳播的影響。This paper introduces the calculation of the loads of different waves and the combination of sine wave and cosine wave. furthermore, stressing on discussing the corresponding problems of the fem of the whole structure and putting forward the basic principles of building a fleet. taking a fleet for example, the paper discusses the whole response of the fleet and the local response of it according to different load cases
本文介紹了船舶的波浪載荷計算及按動態載荷法進行載荷分量組合,而且研究了結構有限元模型的有關問題,給出了結構的模型化原則;本文以一條051艦為例,討論了不同的工況下整船艦艇結構應力的響應以及局部結構的響應。Time - domain model for wave forces on a ship moored against a quay in a harbor
港口內靠碼頭系泊船波浪力時域模型In order to calculate depth - averaged two - dimensional ( 2 - d ) suspended sediment transport under waves and currents in the yangtze estuary, a numerical model system is developed. four models, a 2 - d compound fluid model including wind, waves, tides and river runoff, a swan wave model, a wave - current bottom boundary layer model and a 2 - d suspended sediment transport model are integrated
本文建立了一個用於波?流共同作用下長江口平面二維懸沙計算的數值模型系統,主要由四部分組成,即考慮風、浪、潮、徑流的二維復合流場模型、 swan海浪模型、波?流相互作用的底邊界層模型以及二維懸沙輸運模型。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,採用線性海浪模型設計了一個h _海浪濾波器,並分三種情況對該濾波器進行了詳細的模擬。Abstract : it was introduced in the paper on the basis of the famous tide model of s21hd, the sediment calulation for the design proposal of the reservoir of dandong power plant had been given by the newly setup generalized model of overall sediment which relying upon the data of original observation, and the relative wave model test conclusions and the forecast results of sediment by the joint action of wave and current were quoted
文摘:簡要介紹以著名的潮流模型s21hd為基礎,用新建的依賴于原觀資料的全沙沖淤概化模型,對丹東電廠蓄水庫設計方案進行的回淤計算;引述了相應的波浪模型試驗結論和浪、流聯合作用淤積預報結果。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情況下進行的,此時h _濾波器的濾波效果很好;其次,我們在系統模型具有攝動的情況下進行模擬,此時經h _濾波器濾波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浪模型代替線性海浪模型進行模擬, h _濾波器的濾波效果也是比較穩定的,並且估計精度較高。By means of wave model experiments, measure the wave ' s reflection coefficients in front of breakwater, the pressure sizes and distributions inside of breakwater, and the wave weights behind breakwater
通過波浪模型試驗量測了模型樣本的堤前反射系數、堤心內的壓強大小及其分佈、堤后的透射波高。The expression of the improved boussinesq equations in curvilinear orthogonal coordinate system is derived. on the basis of poission equation conversion, the methods to generate curvilinear orthogonal grids are introduced, and then the two - dimensional numerical wave model under curvilinear orthogonal coordinate system is established
推導了正交曲線坐標系下的改進型boussinesq方程,以poission方程變換為基礎,建立擬合正交曲線坐標系下正交曲線網格的生成方法,進而建立正交曲線坐標系下的二維波浪模型,提高了模型對復雜地形的適用性。Wave model test regulation
波浪模型試驗規程In this paper, a quasi - 3d model of nearshore wave - induced currents and long waves is established based on the combination of an averaged integration of surface wave - induced currents equation along water depth, a 2d equation for the solution of vertical structures of the currents and a nonlinear parabolic approximate wave reflection - diffraction equation of mild slope
本文建立了將沿水深積分平均的平面波生流方程和求解波生流垂向結構的二維方程與非線性拋物型近似緩坡波浪折射-繞射傳播方程相結合的完整的準三維的近岸波浪引起的水流及其長波的模型。分享友人