撞擊模型 的英文怎麼說

中文拼音 [zhuàngjīmóxíng]
撞擊模型 英文
impact model
  • 撞 : 動詞1 （猛然碰上） collide; strike; knock; bump against; run into 2 （碰見） bump into; run into;...
  • 模 : 模名詞1. （模子） mould; pattern; matrix 2. （姓氏） a surname
  • 撞擊 : 1 （撞） impact; ram; dash against; strike; knock; hit against 2 [工業] liquid knockout; percussi...
  • 模型 : 1 （仿製實物） model; pattern 2 （制砂型的工具） mould; pattern3 （模子） model set; mould patter...
  1. Mathematical modes of colliding batwing of earth with outside objects

    地外天體撞擊地球的數學模型
  2. This research work on bird striking has a long history and already got plentiful achievemellts in theories and experiments, howevef, still a long way no doubt waits to go for sophisticated research work on it more detailed to apply to airframe engineering quantitatively in combination wth the technical reformation of the birdstrike experimelltal system in our laboratory, this thesis deeply studies and analyses the numerica1 computation and simulation methods to birdstrike dynamic response problem based on finite - elemefit - method ( fem ) numerical emulation and modem large - scale scientfic computation software

    本文結合我公司鳥撞實驗體系技術改造項目，應用有限元數值計算模擬技術及現代大型科學計算工具，對鳥體撞擊飛機風擋結構的動力學響應問題進行了系統學習與研究探討，初步掌握了科學計算方法，獲得了計算模擬的實踐經驗，為今後深入應用大型科學計算手段進行撞擊類科學問題的研究以及深入應用於工程實踐奠定了強有力的工作基礎。
  3. In summary the major research work in this thesis can be drawn as follows : 1. the techncal data and research information from woridwide aviation history about bird striking to airframe have been collected and reviewed more carefully the evolutions of bird striking load models and fem numerical compatation methods to bird strike also have been sununarized. this informational research makes great help to position further thesis work scientifically 2

    本文研究工作可歸納總結為以下三個方面： 1 、較全面整理綜述了鳥體撞擊飛機結構在國內外航空史上的技術資料以及鳥撞問題理論與工程研究的歷史沿革，總結了撞擊載荷研究模型、有限元數值計算方法的發展歷程等，明確了本文研究工作的科學定位。
  4. This dissertation aims to probe into the institutional changes and institutional clashes between the enlarging european union and the central & eastern european countries ( ceecs ), as well as to construct a tentative theoretical innovation to account for institutional interactions between them. supported by political neo - institutionalism and borrowing institutional concepts from nobel prize - winner douglas north, the dissertation is set against a background of the dual process of institutional expansion by the eu and active institutional convergence on the ceecs " own accords. starting from the positive and negative impacts triggered by eu enlargement on both the eu ' s and the ceecs " political, governance and economic institutions, the dissertation carries out a systematic study of the partial adjustments and comprehensive reforms on the part of the eu, as well as of the europeanized transformation of the domestic institutions in the accession countries

    本文以新制度主義政治學為理論支點，以歐盟通過東擴實現制度擴張及中東歐向歐盟制度主動趨同的進程為背景，以東擴引發的制度變遷和制度對撞為研究對象，從分析考察東擴進程對于雙方政治權力制度和經濟治理制度的雙向沖擊及正負面影響入手，系統研究了歐盟東擴引發的歐盟制度局部調整與全面改革、及中東歐新成員國國內制度的歐洲化轉軌之雙重進程，分析總結出東擴制度互動的規律、模式與渠道，並在此基礎上構築了一種解釋轉型國家與超國家機構之間制度互動的實驗性理論模型「錮囚鋒理論」 ，從理論高度上對現實規律進行歸納。
  5. By hydraulic modeling, this paper describes studies on the stability of a floating bulkhead operating in standing water and flowing water, and it ' s hydrodynamic stability characteristics that distinguish in standing water from in flowing water ; and direct measurements of the forces acting on the model floating body during floating and sinking is taken. as a result, the rotation stress curves are produced and analyzed ; to provide data for optimum operation schedule analyses of the sluice, the relationship of the impact forces acting on the side wall of the gate and the running speed is studied ; the reasons of unstably uplifting of the bulkhead are discussed and the method to solve the problem is also given in this paper

    本文結合常州新閘防洪控制工程水工模型試驗，系統分析了浮箱門在靜水和動水中的穩定性及其影響因素，指出靜水穩性和動水穩性的不同特點；試驗測定了浮箱門動水運行時的受力情況，給出並分析了定位過程轉動力的變化過程曲線；根據浮箱門啟閉速度與門體和岸墻之間撞擊力大小的關系，選擇合理的動力設備，為設計和工程實踐提供可靠依據；分析浮箱門難以穩定上浮的原因，並給出解決方案。
  6. Roll over protective structure ( rops ) is a device which installs on out of construction vehicle. the main functions are : when the vehicle rolling over. rops can prevent the vehicle from rolling over further, and reduce the possibility of rolling vehicle injures operator ; when the vehicle traveling on freezing soil. concrete and rock, it has large resist continuous impact ability ; when the vehicle overturning rops can support the whole vehicle. arrangement of falling object protective structure ( fops ) can block objects ( such as trees, rocks ) so that supply protection for operator. this problem is that research rolling over and falling objects protective structure of bulldozer by learning research condition of rops / fops and relative lay down international standard. on the base of theory analysis. detrudes counting formula of rops / fops deformation through founding mechanics analysis model of rops / fops at the stage of elasticity and plastoelastic. and finds a set of feasible nonlinear finite element analysis counting. lt calculates rops / fops plastoelastic deforma variable of 320hp bulldozer, bulldozer has been carried out by optimizing design method

    其主要功能是：當車輛滾翻時， rops能刺入未凍土壤而阻止車輛的進一步滾翻，降低滾翻的車輛對系著安全帶司機軋傷的可能性；保證rops在碰撞和沖擊變形不大的地面（如凍土、混疑土上、巖石）時，能具有相當大的抗連續沖擊能力；當車輛已經處于顛覆狀態時，已經變形的rops應能支撐住整車。落物保護裝置（簡稱fops ） ，其構件的布置方式要能遮蔽墜落的物體（如，樹木、巖石等） ，以便對司機提供適當的保護。本課題主要通過了解國內外有關對rops fops的研究情況和有關國際標準的制定，對大型推土機傾翻和落物保護裝置進行研究，在理論分析的基礎上，通過建立rops fops的力學分析模型，推導彈性、彈塑性階段rops fops變形的計算公式，建立一套可行的rops fops的非線性有限元分析計算方法。
  7. Models of the solar system ' s early history posit that the frequency of impacts should have tapered off between 4. 5 billion and four billion years ago because most of the planetesimals ? the small rocky bodies that formed from the solar nebula ? were gradually cast out of the inner solar system or absorbed by the outer planets

    描述太陽系早期歷史的模式假設，撞擊頻率應該在45 ~ 40億年前趨緩，因為大部份的微行星（由太陽星雲形成的小型石質天體）逐漸被驅逐出內太陽系或被外行星吸收。
  8. By using one - dimensional finite different hydrodynamic code coupled with four spall models, spall in ductile metal has been studied

    摘要在平面一維彈塑性流動有限差分計算程序中加入4種延性金屬層裂模型，對平板撞擊層裂實驗進行數值模擬。
  9. Headform impact test on safety glazing materials for road vehicles with decleration measurement

    帶緩沖測量的車輛安全玻璃人頭模型撞擊試驗
  10. This paper analyzes the iharae1ensiici and modes of ferryboats ' berthing, discusses the calculation method of strike energy about large - scale ferryboats, and recommends reasonable calculation mode

    摘要分析輪渡工程渡輪的靠泊特點以及靠泊模式，探討大型輪渡碼頭渡輪撞擊能量的計算模式，並提出建議的計算模式。
  11. Numerical simulation of knock - on valve air impact molding

    撞擊式沖擊閥氣沖造型過程的數值模擬
  12. The results from simulations were compared with the results from the biomechanical tests. by using this model, lower extremity impact in different loads was simulated. the influence of impact location to lower extremity injuries was analyzed and discussed

    通過運用本模型，模擬了不同的高度的沖擊載荷時下肢的生物力學響應和骨折情況，並通過比較不同載荷條件下下肢的力學響應，分析了碰撞位置等參數與下肢損傷之間的聯系。
  13. The research work of this dissertation aims at the study of srm safety under mechanical impact. based on mechanism analysis of hotspots and by use of dynamic finite element method, efforts are focused on the establishment of a general theory applied for srm safety analysis under mechanical impact

    本文對機械撞擊載荷作用下固體火箭發動機安全性進行研究，以熱點機理分析為基礎，以結構動力有限元方法為手段，將熱點細觀模型與發動機結構撞擊變形分析有機結合，旨在探索機械撞擊載荷作用下固體火箭發動機安全性分析研究的方法和途徑。
  14. The simulated experiments of cylinder liner wear conditions are carried out on a set of 6 - 135g diesel

    首先分析了活塞對氣缸套的沖擊，建立了活塞撞擊氣缸套側推力的數學模型，探討側推力的大小及作用時間。
  15. Big models, which span all the markets in an economy, can make policymakers think twice about the knock - on effects of their decisions

    那些縱穿經濟體系各個市場的宏大的經濟模型將會使決策者們重新考慮他們的決策可能產生的撞擊效應。
  16. The improved lagrangian stochastic model has attributed to the successful prediction of the turbulence inhomogeniety, turbulence anisotropy, and particle crossing - trajectories effect. the collisions between the particles are also considered in this thesis. numerical results for the particles trace and collection efficiencies in the cyclone separator were compared with available experimental data and with theoretic models

    為了驗證以上固體顆粒運動模型及修正的湍流模型，文中給出了顆粒在水平管道和u形撞擊式分離器中的運動，比較了不同顆粒軌跡模型的特點及運動行為對流體湍流強度的影響。
  17. Firstly on the basis of twin shear unified strength theory and spherical cavity expand theory it is established the expression about target defense force, given the equations of rod projectile penetrate and impact velocities on ceramic / composite target under the same pressure and verified through the experiment. secondly the analysis model of ceramic / grfp / steel composite multi - layer target penetrate depth employing above differential equation of target defense force, penetrate velocity and rod velocity. there are two team of experiments which testify separately the penetrate depth and effect with different length - to - diameter

    首先，基於雙剪統一強度理論和球型空穴膨脹理論建立了靶板抗力表達式，並通過壓力相等條件給出了桿式彈侵徹陶瓷復合靶板的侵徹速度與撞擊速度的表達式，最後用試驗進行了驗證；其次，利用上面的靶板抗力表達式、侵徹速度、彈桿速度的微分方程，建立了陶瓷/玻璃鋼/鋼板復合多層靶板侵徹深度分析模型，分兩組試驗對侵徹深度、不同長徑比的侵徹效果進行了驗證;最後，建立了桿式彈垂直侵徹陶瓷多層復合靶板的工程模型，給出了預測靶板抗彈性的k 。
  18. To model the flexible impact system, finite element theory and mode method were respectively used to establish the dynamic equation of the rotating flexible beam, then impact models were built using constraint equation and hertz contact theory, they were differential / algebraic equation and complicated nonlinear equation respectively

    對于柔性撞擊系統的建模問題，分別採用有限元思想和模態法建立了作回轉運動的柔性梁動力學模型，然後又分別利用約束方程和hertz接觸定律給出了其與固定斜面發生接觸的撞擊模型，指出它們的動力學方程分別為微分代數混合方程及復雜的非線性動力學方程。
  19. Through mathematical models to the study of celestial collision with earth, the celestial collision probability formula is got

    摘要通過數學模型研究地外天體撞擊地球的問題，得出地外天體撞擊地球的概率公式。
  20. At the same time, the model of ball - flexible body impact system was built using hertz contact theory, its equation was nonlinear integral equation

    同時利用hertz接觸定律建立了球?彈性體撞擊模型，其方程為含積分項的非線性動力學方程。
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