態動力學方法 的英文怎麼說

中文拼音 [tàidòngxuéfāng]
態動力學方法 英文
gillan and dixon
  • : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  • 方法 : method; means; way; technique; process; procedure; plan; device; recipe; fashion; tool; maneuver
  1. Part 3 : the paper set out from big system and coordination view, use the systematic dynamics method to analyse all - sidedly that the city expands the relation with various kinds of ecological factors, and natural factor discern mode of city develop, point out city ecological problems are production by improper use the environment ecological factor during city expand, it cause the problems production, such as the function of natural system disappearance or lose efficiency ; systematic circulation obstruct, material energy transform efficiency being low, and so on

    第三部分:從大系統大協調觀出發,運用系統全面分析城市擴展與各種生因子的因果關系,及城市發展的自然因子識別模式,指出城市生問題的產生是由於城市擴展對環境生因子的不當使用,導致自然系統功能的缺失或失效,系統循環受阻,物質能量轉化效率低下等問題的產生。
  2. The content of this thesis comes from the fujian natural science found following research task 。 it studies on a space cantilever single beam attached to a moving support 。 inertia forces which are brought by the support ' s movement , are acceded to the equivalent initiative forces and the equivalent initiative moments 。 when we consider the relation of the forces and deformation , we change the method of material mechanical analysis to the elastic mechanical analysis 。 further more , we discusses the feasibility of the method which uses the multi - rigid - body discrete model to simulate the dynamic characteristic of a elastic body 。 first , the finite segment method is adopted to establish the models of the beam 。 based on kane ' s equations , dynamic math - model for the beam are derived 。 and by use of c - language and runge - kutta procedure , the computer - oriented procedure can give the whole responses of the beam 。 second , with compare to the numerical examples , the method which uses the multi - rigid - body discrete model to simulate the dynamic characteristic of a elastic body which is under the condition of movement is verified to be feasible 。

    本論文為福建省自然科基金后續研究課題,以已知支撐運的單個空間懸臂梁為對象,在等效主與等效主矩中加入支撐轉引起的慣性,並在考慮與變形關系時,用更一般的彈性分析代替材料分析,進一步研究用多剛體離散模型來模擬其特性的可行性。首先,用有限段建立機械臂的多剛體離散模型,用kane建立其程。並用c語言編制演算程序,採用了四階runge - kutta積分程序求解微分程組,給出構件的全部歷程。
  3. Multi - flexible body dynamics is introduced into crankshaft computing, and diesel engine crankshaft dynamics simulation model is established combined with finite element method and modal superposition method

    摘要將多柔體引入到曲軸計算中,並結合有限元和模疊加建立柴油機曲軸模擬模型。
  4. The very important works by the researchers in the modeling and control for flexible manipulators are introduced ; the equations of the non - holonomic constrain and dynamics are formulated. on the base of dynamic model function derived by the planar two - link flexible manipulator, the model function can be obtained by coordinate transformation ; at last the control scheme based on model of the system is put in to use to insure track desired trajectory of joint angle

    在第四章中,首先,我們對柔性機械臂的建模和系統控制問題做了比較全面的介紹;然後,運用lagrange程並結合假設模建立了平面兩桿柔性空間機械臂系統的程。在此基礎上,通過坐標變換導出了以可測關節角為控制輸出變量的系統控制模型,基於此控制模型提出了柔性空間機械臂關節運優化控制案。
  5. The highly precise direct integration scheme is used for solving modal dynamic differential equation of the structure and a dynamic load identification method by the modal respondence is proposed

    採用無條件穩定的精細逐步積分求解結構的模微分程,構造了通過結構的模響應直接反求荷載列陣的迭代演算
  6. The contents of this paper include the following several aspects : ( 1 ) a model of the fractures leakage is built through counting and analyzing the wealthy geological records of hae field, and a model of the fracture water transporting is also built according to the fracture water condition of its recharge and its runoff and its discharge in hae field ; ( 2 ) this paper studies the chemical behavior and the migration parameters of the elenent sr2 + in ground water in hae field, the main contents include : the presence form of the element sr in ground water is analyzed by way of the rmodynamics ; the absorption mechanism that granite and sand stone absorbs sr element is analyzed based on theory and experiment test the diffusion parameters of the element sr in water and in granite and in sand stone are researched with laboratory experiment test ; the partition coefficient of sand stone and granite to sr is tested by the batch way

    其研究內容包括以下幾個面: ( 1 )通過對我國hae預選處置場豐富地質資料的大量統計和分析,建立了該處置場的基巖裂隙滲透模型。再根據hae預選處置場基巖裂隙水的補給、徑流、排泄條件及水位特徵,建立了預選處置場基巖裂隙水水運模型。 ( 2 )對高毒性鍶元素在我國hae預選處置場地下水中的化行為和遷移參數進行系統的研究,其中主要包括運用熱分析了鍶元素在地下水中的存在形,利用理論分析與實驗測試相結合的分析了花崗巖和砂巖對核素鍶的吸附機制,採用室內實驗裝置研究了核素鍶在地下水中的擴散參數以及在花崗巖和砂巖中的本徵擴散參數,採用靜批式研究了鍶在砂巖和花崗巖中的分配系數。
  7. Comparing the fitted expression with the established theory expression of the angular velocity, the equivalent viscous damping coefficient is gained. the closed form algorithm of the state space method is employed to solve the system dynamic equation with time - varying coefficients. the dynamic problem of a linkage mechanism with four joints is taken as example to show that the presented models and methods are correct and practicable

    引入求解線性微分程的狀空間,並對其求解時變系統運微分程的具體步驟進行了推導;在此基礎上將實測獲得的運副等效粘性阻尼系數代入系統程,求解后獲得了考慮運副阻尼的平面彈性四連桿機構的模擬結果;結果表明運副的阻尼在一定程度上對振具有抑制作用。
  8. In this dissertation, the re - entry vehicle can be seen as a rigid body system composed of a shell of the vehicle and internal moving mass points, by applying the newton - euler ’ s method, the dynamical equation of mmcrv are derived and the control mechanism is analyzed according to the dynamical equations. several influence factors on the dynamical response of mmcrv is analyzed in detail

    將殼體與內部活質量體看成是一個剛體與質點系組成的多剛體系統,採用newton - euler建模完整地推導了變質心再入體的程,其結果顯示了內部活質量體移對再入體姿的影響。
  9. And then, discussions have been carried out respectively on problems of the kinematics description being involved in the description method of floating coordinate system, the establishment of dynamics equations and the technology of modality comprehension etc

    然後,分別對浮坐標系描述中所涉及運的描述,程的建立和模綜合技術等問題進行了討論。
  10. It is discussed the application of system dynamics methodology in project risk management, especially its features and advantages of in managing project risk dynamics

    在此討論了系統在項目風險管理中的運用,特別是在管理項目風險復雜性面的特色和優勢。
  11. The precision duhamel integration solution for the linearization equation is also given from the theory of linear differential equation. the calculating results show that the new method can improve the calculation precision greatly. in fact, the truncation error is not limited by this method, it can arrive the precision according to the requirement

    本文的主要工作有以下幾個面: ( 1 )由於非線性項的存在,使得多數情況下難以得到非線性程的解析解表達式,目前常使用數值積分來求解非線性程的解,但常規計算的計算精度不很理想,本文提出了含taylor展開項中高階余項的非線性程的線性化數值計算,構造了瞬線性化程,給出了duhamel積分的表達式。
  12. Then the system can use automatic constraint violation stabilization method for differential / algebraic equations to get state, displacement, velocity, acceleration of multibody system in different time points under external force

    該系統採用絕對坐標建立多體系統程,其形式為微分代數混合程,即euler - lagrange程。利用約束違約自穩定求得多體系統在外的作用下姿、位移、速度、加速度。
  13. Using gyro measurements during periods of thruster firing, with thruster outputs, mass property identification is achieved through recursive least squares algorithms on the basis of the refined dynamics equation. the approach addresses the issue by segmenting the problem into two sub - problems which both allow closed form solution to reduce computation load

    利用衛星上的陀螺輸出和推器控制指令作為演算的輸入,在修正的衛星姿模型基礎上,推導了衛星質量特性在線辨識遞推最小二乘演算,將質心位置和轉慣量矩陣的辨識解耦以降低辨識演算的維數,減少計算量。
  14. Besides, technology progress is an accumulating procedure and its influences in economics are being showed in a long period. for all these consideration, we choose dynamic system as our evaluating method, founding sd model. according to the feature of the bulk shipping company, the paper talks about technology progress economic beneficial from four aspects : shipping technology, transportation technology, personnel and management technology

    考慮到這些問題,本文採用了系統建立技術進步對干散貨航運企業經濟發展的sd模型,並針對干散貨航運業的特點,分別從船舶技術、運輸技術、職工素質和企業管理技術等面系統地探討了技術進步的經濟效益,通過對先進技術在干散貨航運業的應用評價,測算其對企業經濟效益的促進作用。
  15. This paper examines the fluid dynamical characteristics of the duct flow in a swirlmeter by using the computational fluid dynamics approach

    本文運用計算流體研究旋渦進流量計的流道流體特性。
  16. Further study is in < wp = 6 > demand. moreover, with a transient simulation, we calculated evaporation coefficients of argon under non - equilibrium conditions. the rudimental md results indicate that there is no notable difference between the evaporation coefficients from the non - equilibrium simulation and the condensation coefficients from the equilibrium simulation

    論文還採用瞬研究了非平衡條件下氬的蒸發系數,模擬研究的初步結果顯示,非平衡分子獲得的蒸發系數與平衡分子獲得的凝結系數之間差距並不顯著,由於可比數據少,上述結果還有待于更多的模擬驗證。
  17. The sliding bearing is chosen as the research object, and its system dynamics model of the heat plane and agglutination state are found. the three - dimension failure surface of temperature - verity - load is put forward as alarm criterion. with this method, the developing trend of fault can be forecasted truly, then the veracity of fault alarm can be improved

    本文首次將系統用於機械設備的事故報警,並以滑軸承為例建立了熱平面系統模型和膠合狀系統模型,提出以溫度?速度?載荷三維失效面作為報警判據,可較為準確地預測故障的發展趨勢,提高事故報警的準確性。
  18. Under the direction of elastic - plastic statics theory, transient dynamics theory and structure mechanics theory, the means of numerical analyse is adopted in this thesis to study the security of existing tunnel. the thesis studies the contents as follovvs : ( 1 ) the bias pressure, vvhich is caused by the digging of new tunnel, deflects and deforms the lining of existing tunnel. the effect degree relates to tunnel space, construction method, topography and round rock

    本文用數值分析的手段,對既有隧道的安全性進行了彈塑性靜分析、瞬分析和結構分析,如下: ( 1 ) 、新建隧道的開挖對既有隧道造成偏壓影響,使得既有隧道發生偏轉和變形,從而對隧道襯砌產生不良後果,其影響程度與隧道間距、施工、地形和圍巖狀況有關。
  19. The dependence of superlattice thermal conductivity on period length is investigated by nonequilibrium molecular dynamics simulation

    摘要採用非平衡分子模擬了超晶格的向導熱系數隨周期長度的變化關系。
  20. For a class of linear systems or the systems containing a nonlinear recovering force, it is discussed how to make them become chaotic systems by adding a nonlinear feedback unit, and the parameters estimation method of the system is introduced

    在系統參數估計的應用面,討論了對於一類線性的或含有非線性恢復的系統,如何通過加入非線性反饋環節使其處于混沌。然後介紹了這種混沌系統的參數估計的符號
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