波浪方程 的英文怎麼說

中文拼音 [làngfāngchéng]
波浪方程 英文
wave equating
  • : 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名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
  • 波浪 : wave
  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階湍封閉混合層模式,根據參數化法對破碎導致的能量耗散率進行了估計,通過改變湍動能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) 。
  2. This method applies the extended strip theory to establish the nonlinear ship motion equations in regular head seas, obtains stable time course by resolving in time domain, and then pressure vectors will be available. the pressure includes static pressure, incident waves pressure, diffraction pressure, radiation pressure, and wave impact pressure, and changed with instantaneous draft of each intersection

    法應用擴展的切片理論建立迎規則中船舶非線性運動,通過時域步進求解獲得船舶剛體運動的穩定時歷,進而給出與船體各橫剖面瞬時吃水相對應的靜水壓力變化、入射壓力、繞射壓力、輻射壓力和沖擊壓力諸分量。
  3. A preliminary calculating analysis of the wave forces on a submerged floating tunnel by applying the morison equation

    計算分析懸浮隧道所受力初探
  4. The wave is subscribed by regular and stochastic wave theory. the wave force acting on the offshore platform is calculated by the morison equation

    分別採用規則理論和隨機理論描述海模型,通過線性化的morison計算平臺承受的力。
  5. 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化為等價的控制組,採用crank - nicolson格式離散組,建立了適宜於大范圍水域內傳播的數學模型。
  6. The theoretic calculating method of the maximum and the minimum water level in the differential surge tank has been derived firstly. also the explicit method of calculating surges in the differential surge tank has been deduced firstly by use of thaler series expansion. the calculating method of section of the well and the effective impedance hole in the surge tank has been gived

    根據差動式調壓室的基本微分,首次推導出了差動式調壓室涌幅值的理論計算公式;並同樣利用泰勒級數展開法推導出了差動式調壓室水位動的顯式計算式;導出了差動式調壓室大井面積和有效阻抗孔面積的計算法。
  7. 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模擬的發展概況,其中包括淺水動力學的常用理論和法,並詳細比較了目前使用較多的boussinesq模型和緩坡模型,其目的是選擇其中較為適合港區工計算的模式,並將其作為優化模型的驗證或用於適應度計算。
  8. 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情況;半潛船的特點以及用半潛船運輸海洋平臺的載運工的過。探討了半潛船運輸鉆井平臺可行性分析的法和內容,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。
  9. In order to obtain a complete and quantity evaluation for navigation and fishing operation in stormy weather, the paper gives a practical method for eveluating and sets up a evaluated equation in which many factors are considered

    摘要通過對我國主要海洋漁場東、黃海的統計分析,選出適用於我國海區的風譜,並以此為基礎給出漁船在不同狀態下的運動響應
  10. 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況,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個面綜述了日本海岸工研究的進展情況。
  11. 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

    推導給出計算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,在預設的計算精度下,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計算的數值模式。
  12. This paper founds mathematical model of twin - floater ocean wave generate electricity device, and analyzes primary parameters on the base of mathematical model for searching the optimal solution during designing this electricity device. it presents the method calculating the ocean wave forces on the several ideal floaters such as cube, vertical cylinder, horizontal cylinder, sphere by the theory that froude - krylow presupposition calculates a big diving body

    在研究浮子幾何形狀與浮子所受力的關系的過中,本文利用弗汝德-克雷洛夫假定法計算大尺度潛體上的力的思想理論來推導作用在幾種常見理想浮體:長體、垂直圓柱體、水平圓柱體和球體上的垂直力。
  13. 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力作用下考慮結構與相互作用時運動中非經典阻尼的解耦問題,獲得了結構響應的解析解。
  14. In the analysis of the frequent spectrum and the reflection coefficients, based on goda ' s two - points method which fit to the normal incident wave, a modified two - points method is derived that can be used to calculate the frequent spectrum and reflection coefficient of the oblique waves from which the frequent spectra of incident waves and reflected waves incoming in arbitrary angular, the bulk reflection coefficient and the frequent spectrum of reflection coefficient could be computed, also from which in theory the waves could be measured in two wave gauges which is disposed at any direction

    為了分析單向不規則入射的頻率譜和反射系數,本文在goda用於分析正向不規則的兩點法的基礎上,提出了可用於斜向不規則頻譜分離及其反射系數計算的改進兩點法,該法可用於計算任意入射角的入、反射譜、總體反射系數和反射系數的頻率譜,並且測量的兩高儀可在較廣的向范圍內布置。
  15. In this paper, the physical experiment and numerical simulation based on the volume of fluid ( vof ) method to solve turbulent governing equations in the numerical wave tank are conducted to investigate the interaction between surface waves and sandbars on the seabed

    本論文通過物理模型試驗和基於vof法求解湍流控制所建立的數值水槽模型,對與海底沙壩地形之間的相互作用進行了研究。
  16. We analyze the energy balance equations for mean flow, turbulence and wave motion in the ocean surface mixed layer, and discuss the wave - turbulence interaction involved. the observed phenomena, in which vertical turbulence mixing and turbulence dissipation are enhanced by the action of breaking wave, are explained

    以現有的理論研究為基礎,通過分析海洋上混合層中考慮運動的能量平衡,探討了混合層中?湍相互作用的物理機制,並對破碎導致混合層內湍流混合加強和耗散增加的現象進行了分析。
  17. Boussinesq - type equations, which include the effect of the lowest order effects of nonlinear and frequency, has been shown to provide an accurate description of wave transformation in coastal regions

    Boussinesq型包含了非線性和色散性,能夠模擬近岸淺水中的各種傳播變形。
  18. In this paper, based on summarizing previous numerical studies on wave transformations, several works are documented : based on the mass conservation equation and euler ' s equation, the extended form of boussinesq equations is derived by using the velocity at an arbitrary water depth as the independent variable, and several terms are added into governing equations to model the effects of bottom friction, wave breaking and subgrid turbulent mixing

    本文在總結概述前人關于boussinesq數學模型研究進展的基礎上,主要做了以下幾點工作:從質量守恆和euler出發,以某一水層處水平速度矢量作為獨立變量,推導出包含底摩擦耗能、破碎效應和子網格湍流效應的改進型boussinesq
  19. Solution of nonlinear ship motion equations in oblique regular seas. in this thesis, a new method is presented about calculating nonlinear ship motion responses in oblique seas based on minimized theory

    哈爾濱工大學博士學位論文關于斜中非線性船舶運動的求解:本文提出了按極小化原理確定斜規則中船舶非線性運動響應的新法。
  20. The steady solution of nonlinear ship motions in oblique seas can be gained by adopting the new technique presented in this thesis. this work promotes the application of theoretical prediction methods of nonlinear ship motions and wave loads

    本文提出的新法可以保證獲得斜中船舶非線性運動的穩定的周期解,從而進一步完善了斜中船舶非線性運動預報和載荷計算的工實用法。
分享友人