攝動力 的英文怎麼說
中文拼音 [shèdònglì]
攝動力
英文
disturbing force-
This paper studies the perturbation action of celestial bodies ' movement on the earth from the view of celestial mechanics, and furthermore analyzes the effect of celestial bodies ' movement on the natural slope stability due to phosphorus ore mining in mountainous areas
摘要針對宜昌磷礦高陡山區地下開采對上部山體穩定性影響，從天體力學的角度探討天體運動對地球的攝動作用，並分析月球運動的引力對山區磷礦自然坡失穩的影響。Second, we discuss the influence of environmental referance potential temperture and thermal wind on mesoscale symmetric instability. we find the expression of disturbance stream function and criterion of symmetric instability by analytical method and conclude that change caused by environmental referance potential temperture with height and thermal wind make critical richardson number and disturbance critical half - wave length of symmetric instability larger, that is to say, they benefit the occurance of symmetric instability. third, we study nonlinear perturbation analysis of mesoscale vertical circulation and evolution equation by means of f - plane. non - hydrostatic balance and filiter model
第二，討論了環境位溫與熱成風因子對中尺度對稱不穩定的影響。運用解析的方法求出了擾動流函數的表達式和對稱不穩定的判據，發現環境參考位溫隨高度的變化與熱成風因子使得對稱不穩定臨界理查遜數及擾動的臨界半波長都變大，這有利於對稱不穩定的發生。第三，採用f平面、非靜力平衡、濾聲波模式，討論了中尺度垂直環流非線性攝動分析及演變方程。Lunisolar gravitational perturbation
日月引力攝動Impacts of temperature on gastric motility in children
攝入水溫度對兒童胃動力的影響Essentials of pharmacokinetic study on radix et rhizoma rhei
大黃的藥代動力學研究攝要Based on the normal form obtained above, a global perturbation method is utilized to give the analysis for the global bifurcations and chaotic dynamics of the rotor - ambs system. the global bifurcations analysis indicates that there exist the heteroclinic bifurcations and the silnikov - type homoclinic orbit in the averaged equations
利用全局攝動法研究了電磁軸承-轉子系統的全局分叉和混沌動力學，利用數值模擬方法分別對平均方程和原方程進行了分析，得到了的描述系統混沌運動的相圖和波形圖，從而驗證了理論結果的正確性。Using the perturbation transfer matrix method as well as the tested data in the laboratory, the 1st and 2nd order perturbed identification of dynamic parameters of the rotor of a boiler pump is made
摘要利用攝動傳遞矩陣法，結合實驗室的試驗，對某電站鍋爐給水泵轉子的動力學參數進行了一階和二階攝動識別。Atmospherical drag perturbation
大氣阻力攝動In harbor engineering, reliability has been introduced to the design of foundations based on the limit equilibrium methods. in this paper perturbation stochastic finite element program was compiled to calculate and analysis the reliability of the foundation on muti - layered subsoils
本文將隨機有限元法引入到地基承載力的計算中，編制了攝動隨機有限元程序，對地基穩定性和可靠度指標分佈情況進行了計算分析。Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed
本文在總結和分析了一個世紀以來有關曲線管道流動和換熱特性的研究成果的基礎上，以旋轉正交曲線坐標系統下的多參數旋轉螺旋管道中的對流傳熱為物理模型，通過攝動方法和有限體積法，首次對各種截面（圓截面、橢圓截面、環形截面、矩形截面）旋轉曲線管道內充分發展流動的流動結構和傳熱特性（包括耦合對流傳熱特性）以及旋轉曲線管道開口段發展流動的流動結構和換熱特性進行了系統的數值模擬和理論分析，詳細討論了各種無量綱參數對管道內軸向速度分佈、二次流結構、溫度分佈、壁面摩擦力、摩擦系數比以及管道nusselt數的影響，獲得了若干創新性成果。The 1st and 2nd order perturbed identification results that represent the strengthened effects on bending rigidity of the rotor caused by the impellers and the sleeves on the shaft of the pump are given, and the modified dynamic models of the rotor are obtained
給出了給水泵轉子上的熱裝葉輪、軸套對轉子剛度產生加強作用的一、二階攝動識別結果，得到了修正的給水泵轉子系統動力學計算模型。The orbit simulation program mainly concentrates on orbit calculation. this thesis first introduces the fundamental knowledge of orbit dynamics, including orbit perturbation and spacecraft attitude control
軌道模擬程序核心部分是軌道計算，本文首先介紹了軌道動力學基礎，包括軌道攝動問題，以及飛行器姿態控制等基礎知識。Based on the perturbation riccati transfer matrix method, the calculating program are developed. the program can be used to the perturbation analysis and the sensitivity analysis of the real and complex, the single and repeated eigenvalues and eigenvectors for lateral vibration of rod and beam structures, especially suitable to the perturbation analysis and the sensitivity analysis of eigenvalues and eigenvectors for rotordynamic systems ; 2. the perturbation riccati transfer matrix method was applied to identify the parameters of the rotor for a boiler supply pump, and the accurate dynamic model of the rotor was archived
該程序可以對桿、梁結構橫向彎曲振動的實數、復數的孤立和重頻特徵值問題進行攝動分析和靈敏度分析，特別是適合於轉子動力學系統特徵值和特徵向量問題的攝動分析和靈敏度分析； 2 、用攝動riccati傳遞矩陣方法解決了某電站鍋爐給水泵轉子的參數識別及動力模型修改的問題，並給出了該種型號的給水泵轉子的更準確的力學模型，為進一步的轉子動力學分析與設計奠定了可靠基礎； 3 、給出了攝動理論在相關領域如隨機特徵值分析、隨機振動響應分析、可靠性分析、靈敏度分析、優化設計以及參數識別中的應用公式。Based on mass - spring model, a method of automatic mode - selecting method is presented to solve the difficulties of selecting corresponding modes close to the excitation frequency, in adaptive perturbation for mistuned bladed disks
摘要針對自適應攝動法在失諧葉盤受迫振動分析中，選擇接近激振力頻率的相應模態數目難于控制的問題，基於質量彈簧模型，提出一種自動選擇模態的方法。The method is then used to analysis the pulling stress of the film. 3 ) under the above nonlinear dynamics analysis, an optimized design has been firstly realized under virtual manufacturing environment
3 ）在非線性動力分析的基礎上，首次在虛擬製造的條件下，實現了高速攝影機抓片機構的優化設計。Hence, robot ’ s applying scope is greatly constricted. in this dissertation, parameter perturbation and the uncertainties of environment stiffness are mainly studied based on robot force / position control
基於上述問題，本文在力/位置控制的基礎上，主要針對機器人參數攝動及外界工作環境接觸剛度的不確定進行研究。Homotopy perturbation method for nonlinear dynamic equations based on precise integration technology
基於精細積分技術的非線性動力學方程的同倫攝動法Stability analysis for non - sway composite frames with semi - rigid joints - part 2 connection rotation stiffness and examples analysis
彎曲型剪力墻動力分析的模態攝動法Perturbation method of analysis is a prevalent method to solve nonlinear differential equation in mechanics field
正則攝動法是一種在力學領域求解非線性微分方程的方法。Abstract : this paper has analyzed all kinds of perturbation forces affecting spacecraft in space in detail, and got the precise model of orbit calculation of spacecraft, and has set up the precise model of relative movement between two spacecraft in space rendezvous and docking
文摘:本文較詳細地分析了航天器在空間所受的各種攝動力，得出了航天器空間軌道的精確計算模型，進而建立了空間交會對接中二航天器相對運動的精確計算模型。分享友人