瞬態運動 的英文怎麼說

中文拼音 [shùntàiyùndòng]
瞬態運動 英文
transient motion
  • : Ⅰ名詞(眼珠一動; 一眨眼) wink; twinkling Ⅱ動詞(眨眼) wink
  • : 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...
  • 瞬態 : transient; instantaneous condition; transient state
  • 運動 : 運動[舊時用語] arrange things or get things done through pull
  1. Introducing the theory and application of boundary element method on the sound radiation, giving the process of solving vibration noise radiation problem using boundary element analysis software ; presenting the coupling theory and the combination analysis of finite element method and boundary element method, and doing relevant analysis based on close drum shell ; programming the noise data simulation program using the numerical calculation software, simulating the acoustic and pressure data of a key point in the transient response acoustic field of the close drum shell, realizing the audibility of the noise, using the virtual reality tools to simulate the vibration noise of the drum shell ; combining the finite element method and boundary element method to analyze the vibration noise radiation of some gear box, and completing the whole simulation process of the vibration noise of the gear box

    綜合介紹了邊界元法在聲輻射問題上的理論及應用;並給出了用邊界元法分析軟體求解振聲輻射問題的過程。闡述了有限元法和邊界元法的耦合理論及組合分析方法,並以封閉鼓形薄殼為分析對象進行了相應的分析。利用數字計算軟體編制了噪聲數據模擬程序,並模擬了通過組合方法分析封閉鼓形薄殼響應聲場而獲得一關鍵點的聲壓數據,實現聲音的可聽化,隨后通過虛擬現實工具實現了該情形下橢球殼振噪聲的虛擬模擬。
  2. Second, adopting the linearity of oil film of the guide bearings, the transient response of the shafts is computed and analysis by integrating with willson method. because of the uncertain position of the shafts in the guide bearing, the model and solution method of nonlinear transient response of the shafts is discussed

    然後結合willson數值積分法,採用線性化油膜力,對機組軸系的線性響應進行了計算分析,根據機組軸系在響應中的不確定性,給出了由導軸承油膜力非線性所引起的主軸系統的非線性響應的建模及求解方法。
  3. Transient simulation of tri - winding single phase motors with wye - connected during fault operation

    三繞組單相電機故障過程模擬研究
  4. According to the complication of cyclic loading the aeolotropism and bauschinger effect resulted form plastic deformation were reflected by the kinematic hardening model, the transient stress - strain relation was described by jhansale model in the iterative formulas

    在迭代格式中,針對復雜的交變載荷,採用強化模型,反映了塑性變形引起的各向異性和包辛格效應,用jhansale模型描述材料的應力應變關系。
  5. Flame tube in aircraft engine undergoes high temperature and high speed airflow washing. a hypothesis was suggested, which takes the transient heat transferring as the main reason to the cracking and damage on flame tube. finite element method was adopted to simulate the thermal fatigue and the hypothesis was reproduced

    機火焰筒的熱疲勞損傷是導致火焰筒失效的主要原因,本文提出了一種火焰筒熱疲勞損傷假設,認為火焰筒熱疲勞損傷不是由於發機的行和停車時冷熱溫度循環造成的,而是發機啟溫度傳導過程中材料循環塑性變形的結果,利用該假設結合有限元計算模擬了火焰筒產生疲勞損傷的原因。
  6. The calculated drafts covers the whole possible ship draft in the large amplitude motion ; secondly, the research creates and solves the ship large amplitude motion equations. on the one hand, the actual calculation takes into account the coupling between the different motion modes, on the other hand, in the process of calculation of the ship hydrodynamic coefficient, it considers the influence of the nonlinear factor. the hydrodynamic coefficient used in the calculation of froude - krylov force, diffraction force and radiation force changes instantaneously following the draft, and the hydrostatic buoyancy is computed very accurately for the instantaneous immerse hull

    本文的研究分為二個部分:首先利用frank源匯法計算水力系數,計算包括不同吃水時的附加質量和阻尼系數,吃水范圍涵蓋了船舶大幅度時所有可能的吃水;然後建立和求解船舶大幅度方程,在實際計算時一方面考慮了之間的耦合,另一方面在計算水力時,考慮了非線性因素的影響。 froude - krylov力、輻射力、繞射力中的水力系數隨吃水時變化,靜浮力的計算精確到船體時濕表面積,最後用四階龍格?庫塔方法在時域內求解船舶方程,並進行了載荷計算。
  7. It is the main purpose of this paper to calculate the energy splitting of ground state and excited states induced by thermally assisted quantum tunneling. first, a brief introduction is given for the theoretical and experimental studies on the magnetic macroscopic quantum effects. then, spin tunneling in a uniaxial ferromagnetic particle in transverse magnetic field is converted to a pseudoparticle moving in effective double - well potential with the help of the effective potential description of quantum spin systems developed by ulyanov and zaslavskii. finally using the periodic instanton method we evaluate the transition amplitude, energy shift and prefactor of wkb exponential and the energy splitting of ground state and the tunneling rate for excited states induced by thermally assisted quantum tunneling are obtained

    文章首先對磁性宏觀量子效應的理論和實驗方面作了簡單介紹,然後藉助于ulyanov和zaslavskii發展的一種等效勢描述方法,把外磁場沿難磁化軸方向時的自旋隧穿約化成在等效雙勢阱中的粒子,利用子方法給出基能級劈裂,最後利用周期子方法分別計算了隧穿幅、能級移以及wkb前因子,從而給出由於熱助量子隧穿引起的激發的隧穿率。
  8. In the second part of this paper, it makes a detailed analysis among fluid - model - based, smith - principle - based and two - pd - controllers - based by comparing to the method and application of control theory. then it gets the laws to keep the control loop stable. in order to analyze the dynamic and transient characters, three congestion control algorithms mentioned above have been carried out in the nist atm network simulator and the successful outcomes are brought out

    本論文對atm網路abr業務擁塞控制的控制理論演算法進行了總結,簡要分析了其優點和缺點;用控制理論的分析方法和觀點對基於流體控制模型、史密斯預估控制模型和雙重比例微分控制模型三種擁塞控制演算法加以具體的分析,從而分析了怎樣確保控制環的穩定性;在nistatm網路模擬軟體中嵌入以上三種擁塞控制演算法,從而對演算法的特性進行模擬分析,以此證明控制演算法的有效性;最後提出了今後atm網路abr業務擁塞控制演算法的發展趨勢。
  9. This paper derives the equation of the particle of the elastomer, obtains the elliptical trace of the notch of the ring - type linear motor, simulates the start term of the motor and educes the theoretical start - time 0. 5ms

    推導了彈性體上質點的橢圓方程,而後通過分析得到了長環型直線馬達上齒的端部上質點的橢圓軌跡。
  10. The primary of linear induction motor which drives the metro is installed on the chassis bogie, and because it is quite strict with laying down railway rail to use flat linear induction motor to drive metro, its secondary - - - - reaction board ( called induction board ), which is a kind of compound board of aluminum and steel, is fixed on the rail sleeper between the track. it is the airgap which is a gap between the primary and secondary of lim. the electromagnetic airgap is a very important parameter of lim

    利用有限元法對直線感應電機二維非線性渦流場進行了數值計算,並在此基礎上,用電磁場有限元分析的專用軟體ansoftmaxwell2d對單邊型直線感應電機的特性進行了模擬分析,得到電機行過程中的電磁推力、法向力、初級電流、氣隙磁密等曲線,通過改變直線電機參數,分析了電機氣隙對其性能的影響。
  11. Equations of mesh, shorting contact line, undercutting limit line, meshing limit lines and the existence conditions, angle between the direction of relative speed and the direction of contact line, induced normal curvature about every point on the contact line are established. moreover, the paper also theoretically analyzed the error of the grinded gear surface. on the basis of the theory, the computer program is worked out to automatically produce the contact line and the boundary curves of mesh. analysis of meshing circs under different parameters can be done so that we can gain the best process condition

    首先對漸開面二次包絡理論進行了深入的探討,推導出了兩次嚙合的嚙合方程式、時接觸線方程式、根切界限線方程式、嚙合界限線的方程式及其存在條件,相對速度方向與接觸線方向的夾角及接觸線上各點的誘導法曲率;此外,還對磨齒后工件的齒面誤差進行了理論分析;並在理論基礎上編制了相應的計算機程序,自生成接觸線族及嚙合界限線,對不同參數條件下的嚙合情況進行分析,可以使工藝條件達到最佳狀;最後研究了磨齒裝置,設計了磨齒機的傳系統。
  12. With the development of automobile industry and road transportation , the traffic accidents happen every day in the world and become a serious society problem the vehicle collision accidents are over 2 / 3 times as much as all traffic accidents they cause a large amount of social infuence and serious economic loss therefore , it is urgent to study vehicle collision accidents comprehensively and systematically , and the research also is the academic foundation to analyze and deal with traffic accident it is difficult to authenticate car velocity after traffic accident to dig over locate witness is right way mechanics is avaid tool in this field it is important to establish math model and this is precondition to calculate vehicle velocity firstly on the basis of summarizing the research results , this paper deeply discusses the calculating model to analyze the instantaneous motion state in the vehicle collision, the interrelation among the every moving mechanics parameters in the every phase of the collision secondly , according to the collinear collision and two - dimension collision and the restitution coefficient , the paper estabishesthe post collision movement models it proves that these models are correct and valid thirdly , this paper try to research reconstruction of road traffic accident and put forward the method on it

    對交通事故的科學分析應是建立在正確的數學模型與計算機模擬技術基礎上的定量分析,其基本條件就是要有能正確描述事故過程中汽車狀的數學模型,只有建立正確的數學模型,才能較準確地推定事故車輛的碰撞速度。所以建立正確地車輛碰撞模型和模型正是汽車事故再現的關鍵問題。本文首先在總結前人研究的基礎上,深入地研究汽車碰撞理論,分析了車對車碰撞作用間狀的計算模型及碰撞恢復系數與碰撞前、后速度的關系;其次,根據交通事故中最普遍的一維和二維碰撞的不同情況,採用恢復系數和滑摩擦系數等概念,分別建立了碰撞后車輛力學模型;第三,對汽車碰撞事故再現進行了初步研究,確定了車對車碰撞事故模擬計算和反推計算方法,並給出相應的模擬程序流程圖。
  13. In this paper, the author has inferred the instantaneous efficiency equation during rise and return and the general efficiency equation during rise, return and the whole motion cycle respectively by analyzing two kinds of force states of in - line roller follower cam mechanisms in detail

    本文作者通過詳細地分析直滾子從件凸輪機構的兩種受力狀,推導出了直滾子從件凸輪機構在推程階段以及回程階段的時效率公式以及在推程階段、回程階段以及整個循環內的總效率公式。
  14. To generate a forecast, a numerical weather prediction model repeatedly advances the model state from one instant through a small time step ( a few seconds to a few minutes depending on the scales of motion resolved by the model )

    在執行預報時,數值天氣預報模式會從某一間時刻以微小的時步,重復向前計算模式的狀(時步可由幾秒到幾分,視模式所解析的尺度而定) 。
  15. A variety of mathematical models based on continuous equation and the momentum equation and many solutions partial differential equation value computational method in the open canal turbulent flow solution, still could widely apply and yield the satisfactory result

    但是,非穩的navier - stokes方程對于明渠水流的還是適用的,以連續方程和量方程為基礎,建立的各種數學模型和許多求解偏微分方程的數值計算方法在明渠紊流的求解中仍能廣泛應用。
  16. The wet natural gas in transmission pipeline assumes two phase of gas and liquid, so its flowing always assumes a slow transient flow state

    在實際行中,濕天然氣在輸送管道中存在氣液兩相,因此管道中的流總是處于慢變流
  17. Attitude errors are given first, and then theoretical analysis, simulation result show 3 kinds of attitude errors ’ affection both on the doppler and the image. 5. motion compensations based on gps / ins / imu control system and pga self - focus arithmetic are analyzed

    5 .研究了以gps / ins / imu為基礎的平臺控制系統和以pga演算法為基礎的自聚焦兩種主要的補償方案,並根據載機和多普勒頻率的關系,推導了一種基於方法,最後結合rd演算法加以補償。
  18. However, there are no efficient and applicable methods available up till now. the paper is designed to do some preliminary theoretical research on transient balancing based on the previous achievements and seek one kind of methods of transient balancing

    本文是在前人研究的基礎上所做的初步探索,旨在對轉子平衡作一理論上的研究,尋求一種比較好的讓轉子在轉狀下提取不平衡量的方法。
  19. The differential equation of flexible rotor operating unsteadily is also derived and solved, its transient dynamics responses under different accelerations are obtained with simulink ' s program. the amplitude, phases and advancing angular velocity of response along with rotational speed and time under different accelerations are discussed. the responding conclusions have been reached

    同時,建立了單盤轉子的瞬態運動方程,用simulink程序求解了所建立的方程,模擬得到了它在不同加速度下的力響應,並就不同加速度下的振幅、相位、進角速度隨時間和隨轉速的響應分別作了較詳細的討論,得出了相應的結論。
  20. The steady motion and the transient motion of the controlled muhibody system with delay and without delay are computed with examples

    實例計算延遲和無延遲受控多體系統的穩瞬態運動
分享友人