波浪計算模式 的英文怎麼說

中文拼音 [làngsuànshì]
波浪計算模式 英文
swan
  • : 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...
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
  • 波浪 : wave
  • 計算 : 1 (求得未知數) count; compute; calculate; reckon; enumerate 2 (考慮; 籌劃) consideration; pla...
  • 模式 : model; mode; pattern; type; schema
  1. 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,根據參數化方法對破碎導致的能量耗散率進行了估,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,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) 。
  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;中引進的一些假設,也會使與實際情況有所偏離等等。
  3. So, optimization of breakwater planning is of great practical value and should be resolved immediately. at first, the paper narrates the development of numerical modeling, which includes shallow water dynamics theory and method, and compares the boussinesq model and mild - slope equation model. the purpose is to select one model that best fit for wave calculation in harbor engineering

    本文首先綜述了數值擬的發展概況,其中包括淺水動力學的常用理論和方法,並詳細比較了目前使用較多的boussinesq型和緩坡方程型,其目的是選擇其中較為適合港區工程,並將其作為優化型的驗證或用於適應度
  4. Finally a set of equations with initiate values for boundary value problem is established where the velocity potential and its normal derivative are unknowns. because the model includes the effects of both the time and space to the velocity potential of free surface, it can be applied to strong nonlinear wave. as examples, solitary wave is computed in the numerical flume

    推導給出域內以所有節點勢函數和面位置高度的時間增量為未知量的線性方程組,並同時考慮時間因素和空間變位對面勢函數的影響,在預設的精度下,通過時步內的循環迭代逐一確定每個時步上的面運動位置,從而建立了一種可適于求解強非線性變形的數值
  5. 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型,進行了荷載工況和地震工況的數值擬,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,運用復態理論研究了位於較深水位的固定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。
  6. We have made a full theoretical analysis of the wave property and the wave parameters of the flap - type wave generator in the towing tank of our school, and confirmed that should make the factor that the performance of the wave generator give play to normally to influence. in allusion to that the old wave generator can not simulate sea wave, upgrade and transform to this system change the control computer system and install additional d / a change card, redesign the wave control interface and transmission means of control signal, give up the disk machine that can not be used, make the wave - making control voltage signal that has translated direct input the wave controller, make wave controller to make waves through servo system

    對我校船水池原有的搖板系統的性能進行了理論分析,針對水池原有造機系統擬海的不足,對該系統進行升級與改造,更換了主控機並加裝d a轉換卡,重新設了造控制信號的介面與傳輸方,捨去了原系統中現已淘汰的磁盤機,使轉換后的造控制電壓信號直接輸入到造控制器中,再由造控制器通過液壓伺服系統驅動造板進行造
  7. 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導引的滑動控制器是以操舵控制的方,使船隻在中的航跡能維持在既定航線並降低橫搖量,而控制器的設參數是以基因演演法來求得最佳化。
  8. This paper presents the experimental investigation of random wave impact on piled wharves with different shore connecting structures, also the certification analysis by the numerical simulation results

    本文應用物理型試驗和機數值擬相結合的手段,對不同接岸型碼頭面板底部受到的隨機沖擊作用進行了研究。
  9. The effect of the change of surface elevation on the wave development and elimination is pointed out for the first time, which provides the necessary theoretical basis for the development of united current - wave - tide model ; hi the discussion of the effects of waves on currents, a variety of wave - induced forces on the geostrophic and viscous condition and their producing mechanism are introduced systematically, their corresponding wave - induced currents are also analyzed qualitatively. moreover, a complete expression of wave - induced reynolds stresses tensor is presented for the first time

    對流作用的討論中,系統的闡述了海在地轉作用和粘性條件下所產生的各種作用力,詳述了它們的生成機制,並定性的分析了相應的生流,同時,首次提供了地轉條件下致雷諾應力張量的完整表達,為實現海流與海的并行數值提供了一種簡便的途徑。
  10. Abstract : on the basis of the space structure model, the behavio r of natural oscillation of open pile - supported beam - slab wharf and its dynamic response to wave forces were calculated and analyzed. it is pointed out that dyna mic analysis should be made when an open pile - supported wharf is designed

    文摘:本文在空間結構型的基礎上,對開敞樁基梁板碼頭結構的自振特性及其在力作用下的動力響應進行了分析,指出開敞樁基碼頭設應進行動力分析。
  11. Several verifications are performed to examine the accuracy of the numerical model of the extended mild - slope equation at simulating wave refraction, diffraction and reflection on some representative topographies and good agreement has been achieved

    針對多個典型地形按本文研製出的數學進行了折射、繞射和反射的驗證,數學結果和理論解或實驗值吻合程度良好,說明本文的能很好地反映的折射、繞射和反射現象。
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