波浪運動理論 的英文怎麼說
中文拼音 [bōlàngyùndònglǐlún]
波浪運動理論
英文
theory of wave motion- 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...
- 運 : Ⅰ動詞1 (物體位置不斷變化) move; revolve 2 (搬運; 運輸) carry; transport 3 (運用) use; wield...
- 理 : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
- 論 : 論名詞(記錄孔子及其門徒的言行的「論語」) the analects of confucius
- 波浪 : wave
- 運動 : 運動[舊時用語] arrange things or get things done through pull
- 理論 : theory
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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
該方法應用擴展的切片理論建立迎浪規則波中船舶非線性運動方程,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、入射波壓力、繞射壓力、輻射壓力和波浪沖擊壓力諸分量。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。Under the assumption of linear ocean waves, and in the light of the theoretical framework about the probabilistic distribution of wave characteristics ( sun fu 1988 ), several probabilistic distributions of wave characteristics that is necessary for the estimation of breaking probability and whitecap coverage are derived. afterwards, the models of breaking probability and whitecap coverage are set up with these distributions in addition to the kinematical criterion
在線性海浪假設下,基於孫孚( 1988 )關於三維海浪要素統計分佈的理論框架,具體給出二維海浪波峰處質點水平速度和表觀相速的聯合分佈等分佈函數,在此基礎上,根據運動學判據,分別建立起風浪破碎率和白浪覆蓋率的理論模式。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單參數標準海浪譜模擬模擬實際的長峰波隨機海浪,進而實時模擬長峰波隨機海浪對船舶的隨機擾動,對船舶在海浪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 ) 。In this paper, management entropy theory and its integrated evaluation system was introduced into enterprises ’ human resource and its management evaluation process, and we revealed the law of the decrease in the efficiency of human resources management systematically when enterprises ’ human resource and its management were under a closed system ; but in an open system, because of the exit of management dissipation and dissipation structure, human resource management system exchange materials, energy and information with the outside world constantly, the rule makes negative management entropy and management entropy showed shiftily in an enterprise
本文將管理熵理論的企業綜合集成評價體系引入到企業人力資源及其管理的評價中,系統地揭示企業人力資源及其管理在封閉系統地狀態下,人力資源管理效率遞減的規律;而在開放系統中,由於管理耗散、耗散結構的存在,人力資源管理系統通過不斷與外界進行物質、能量和信息的交換過程,使得管理負熵和熵處于交替運動的狀態,人力資源及其管理效率呈現波浪式運動的特徵。There is nearly no research on using active control method to reduce ship structural vibration stirred by slamming. this thesis studied theoretically on active cable and active tuned mass damper which were designed on the base of lqr theory. then the thesis studied concretely on the validity of active cable by an example
本論文對船舶結構波浪砰擊響應的主動控制方法進行了研究,主要對基於線性二次型最優控制原理設計出來的主動纜作動器和主動式調諧阻尼器兩種控制器做了理論原理和作動器構成上的探討,並進一步研究了主動纜作動器運用於船舶因波浪砰擊引起的結構振動控制的有效性。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,進行了波浪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波浪力作用下考慮結構與波浪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。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波浪運動的能量平衡方程,探討了混合層中波?湍相互作用的物理機制,並對波浪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。In the last chapter, the submarine motion tendencies under first order and second order wave force actions are illustrated through theory analysis and simulations, which established the foundation for studying the design of autopilot control system under wave force disturbances
最後本文從理論、模擬兩個方面分析和顯示了艇體在一階、二階波浪力作用下的運動趨勢,從而為研究潛艇近水面波浪力干擾下的潛艇自動舵設計奠定了基礎。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
哈爾濱工程大學博士學位論文關于斜浪中非線性船舶運動方程的求解:本文提出了按極小化原理確定斜浪規則波中船舶非線性運動響應的新方法。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波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數據相比較,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。Based on the commonly used strip theory with the extension of taking into account the instantaneous variation of the wetted hull surface during the motion and its effects on the ship hydrodynamic characteristics, this dissertation mainly calculates the ship motions and loads in waves in time domain and elementarily investigates some nonlinear characteristic of ship motion and hydrodynamic coefficient. it is hoped that the research had an engineering value for the predication and evaluation of seakeeping performance in the concept ship design stage
本文基於擴展的切片理論,計入船體運動時濕表面的變化及其對船體流體動力性能的影響,在時域內計算了船舶在波浪中的運動和載荷,並對船舶水動力系數及運動中的一些非線性因素進行了初步的探討,本文的研究對船舶設計階段的耐波性能評估具有工程實用價值。Subsequently, the waves induced forces and their driven effects on currents are studied in detail. in the discussion of the effects of currents on waves, according to the wave radiation theory and the law of wave action conservation, the equivalence of none vorticity condition of the vector of wave number in constant wave field and fermat theory is testified. the dynamic and kinematics effects of background currents on waves are introduced concisely
在流對浪的作用討論中,依據波動的射線理論和由變分原理導出的波作用量守恆定律,闡明了穩定波場波數矢量的無旋條件與費馬原理的等價性,扼要討論了背景流場影響海浪的運動學效應和動力學效應,首次指出水位(包括天文潮位與風暴潮位)變化對海浪成長與消衰的影響,為流浪潮聯合數值模式的發展提供必要的理論依據。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浪擾動中的線性和全非線性氣動力及其運動響應,全面分析了機翼和波浪的特徵參數對氣動力的影響,得出了很多有意義的結果。Theory of ship motion in waves
船舶在波浪中運動理論A new viewpoint to the albatross ' s high performance of flight near wave surface is presented in this paper. how the albatross can realize it high performance flight above waves by taking advantage of wavy effect and boundary effect is illustrated in details
研究了信天翁在波浪上飛行時的氣動力和運動,對信天翁在風浪中高效飛行的機理提出了新的見解,詳細論證了信天翁利用波動效應和壁面效應在風浪場中實現低能耗飛行的原因。Theory of wave motion
波浪運動理論Presently, the strip theory has become an ordinary and utility method for the calculation and prediction of ship motions and loads in waves, because of its virtues that other methods are beyond compare
切片理論具有其它方法無法比擬的優點,目前已成為船舶在波浪上運動和載荷計算和預報的一種常規的實用手段。分享友人