波浪推算 的英文怎麼說
中文拼音 [bōlàngtuīsuàn]
波浪推算
英文
wave estimation- 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...
- 推 : 動詞1 (向外用力使物體移動) push; shove 2 (磨或碾) turn a mill or grindstone; grind 3 (剪或削...
- 算 : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
- 波浪 : wave
- 推算 : calculate; reckon; reckoning; prediction; calcu-lating
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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方程,首次推導出了差動式調壓室涌浪幅值的理論計算公式;並同樣利用泰勒級數展開方法推導出了差動式調壓室水位波動的顯式計算式;導出了差動式調壓室大井面積和有效阻抗孔面積的計算方法。Hirayama t, et al. directional ocean wave measurement utilizing running ship motion and radar images [ j ]. 1997, omae - volume, safety and reliability asme 1997
由航行中的船體運動實時推算海浪譜- -方向波譜的推算[ j ] .關西造船協會志, 1987 ,第204號.李俊興譯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波勢函數和波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波面勢函數的影響,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波面運動位置,從而建立了一種可適于求解強非線性波浪變形計算的數值模式。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波浪力的關系的過程中,本文利用弗汝德-克雷洛夫假定法計算大尺度潛體上的波浪力的思想理論來推導作用在幾種常見理想浮體:長方體、垂直圓柱體、水平圓柱體和球體上的垂直波浪力。According to the theories of the energy dissipation of wave - water and sediment movement and based on the bottom sediment load formula developed by dou guoren, a formula to calculate the transport of the bottom sediment, which includes the bed load and part of suspended load, under the joint action of waves, tidal currents and wind - currents is derived
摘要根據波動水流能量及泥沙運動原理,參考了竇國仁推導底沙輸沙量的方法,推導出波浪、潮流和風吹流共同作用下的底沙輸沙量(包括推移質和部分懸移質輸沙)計算式。As the values of wave factors in period of reoccurrence were deduced for many significant propagating direction in the yangtse river estuary, the wave reflection - refraction modeling is employed in terms of the equations with the slowly varying topography, and the influence on the effects of the channel and shoaling is included in this model. at the same times, the effects of the bottom friction and wave breaking are also considered, but the local wind field and background flow are ignored
在推算長江口深水航道幾個主要波向的重現期波浪要素值時,採用了基於緩坡方程的波浪折射?繞射模式,該模式考慮了航槽和淺灘對波浪的影響,同時也考慮了底摩擦和波浪破碎對波浪的作用,但未能考慮局地風場和流場的作用。Abstract : the reflective characteristics of sea and sky background radiation, which have important effect on the infrared signature from flight vehicle above sea, are studied in the paper. the statistical distribution of wave facet directions is discussed, the effects of randomly riging and falling sea wave on the sea surface radiation and on the sun light reflection are also discussed. calculation methods of irradiance from sea surface radiation and reflected sun light on observation point are derived in the paper. finally a computation example is given, which shows the sea and sky background radiation has important effect on infrared characteristic especially in the front area of a flight vehicle
文摘:研究了對近海飛行體的紅外特性有重要影響的海空背景輻射的反射特性.討論了波浪面起伏隨機規律,隨機起伏對海面自身輻射及對陽光反射的影響,推演了此種隨機起伏波浪面的自身輻射及反射的陽光在觀測點形成的輻照度的計算方法.給出的算例結果表明,海空背景對飛行體的紅外特性尤其對其前半球的紅外特性有重要的意義Furthermore, the values of wind velocities obtained from the situ - observation data of the ship - stations ( 50, 25 ) are used to denote the wind velocities on the costal zone in the east of the yangtse river estuary and they are as the values of the wind velocities to deduce the wave factors in 20 meters deep
此外,應用引水船測站實測風資料推算得到的50年一遇、 25年一遇和一年一遇的風速值來代表長江口以東大面積水域上風速並作為推算水深- 20m波浪要素的風速值。Abstract : in this paper, dynamic loads caused by driving on und ulate pavement are analyzed and a theoretical relation between dynamic loads of automobile and undulate pavement is developed. at given automobile mechanism para meter 、 moving velocity and undulate pavement parameter dynamic loads of automobi le are analyzed through an example
文摘:筆者理論分析了汽車行駛在波浪形路面上時汽車對路面的動荷載作用,推導了汽車動荷載與路面波形的理論計算公式,實例計算了在給定汽車結構參數、行駛速度、波形路面的波長、振幅時的汽車動荷載分享友人