推力作用線 的英文怎麼說

中文拼音 [tuīzuòyòngxiàn]
推力作用線 英文
thrust line
  • : 動詞1 (向外用力使物體移動) push; shove 2 (磨或碾) turn a mill or grindstone; grind 3 (剪或削...
  • : 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 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 推力 : visatergo; soot; propulsive force; thrust; momentum thrust
  1. Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports

    首先,在前人研究成果的基礎上,對錨桿與圍巖的相互機理進行研究,利全長錨固錨桿的中性點理論,從等效均化的角度來考慮錨桿對圍巖的加固,並導了在簡單荷載下,含有襯砌、等效加固后的圍巖、原始圍巖三者的彈塑性解析解,對工程設計有著重要的參考意義;在數值模擬方面,以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎,利虛功原理導了接觸問題的有限元方程的計算格式,為開發運大型商有限元軟體msc . marc提供了理論根據,也形成了本文的理論基礎:最後,論文以南水北調東穿黃隧洞穩定性分析項目為工程實例,利本文所述的接觸問題的摩擦模型理論,對錨桿支護結構的應場、位移場的變化規律進行了研究,分析了加錨支護對隧洞圍巖應、變形的影響。
  2. In addition, it was the sign of the initial amplitude growth rate, not the manner of the interface motion that determined whether the amplitude could increase. at weakly nonlinear stage, mode - coupling equations were derived in cylindrical and spherical geometries. it showed that the nonlinear terms were inversely proportional to the position of the interface in cylindrical and spherical geometries

    在弱非性階段,導了柱和球幾何中模耦合方程,結果表明:非項反比于界面的位置,界面的位置越小,非越強,反之越弱;同時柱幾何中模耦合方程的解表明,在收縮幾何中,擾動在界面兩側的發展是不對稱的,在弱非性階段,不穩定性向內發展的部分受到慣性的擠壓,而向外發展的部分受到慣性的拉伸。
  3. In this thesis, four types of steel beam - rectangular cfst column connections, including normal welded flange plate ( wfp ) connection, bolted flange plate ( bfp ) connection, stiffened end plate ( sep ) connection and double split - tee plate ( dst ) connection, were designed based on the configuration of steel frame connection. total 8 models, 2 models of each kind of connections were tested under low - reversed cyclic loading at the end of cfst columns. the relationships between force and displacement at the end of columns, the relationships between the moment and rotation of the joints, degradations of strength and stiffness, ductility, failure mechanism and failure characteristics of these four connections under different axial - compression ratios were presented

    本文借鑒鋼框架節點構造,設計了四種類型矩形鋼管混凝土柱與鋼梁連接節點,包括常規栓焊( wfp )節點、翼緣全螺栓連接( bfp )節點、雙t板連接( dst )節點以及加勁端板連接( sep )節點,進行了四類節點8個模型試件在柱端低周反復荷載下的抗震性能試驗研究,比較了不同軸壓比下節點的滯回性能、強度與剛度退化、延性、破壞機理與破壞特徵,主要結論有: 1 、節點的位移滯回曲與轉角滯回曲為塊型分佈,沒有或略有捏攏現象,耗能能強; 2 、軸壓比對節點滯回曲有顯著影響,全部節點都有顯著的剛度退化; 3 、位移與轉角骨架曲在峰值荷載後有較長的水平或下降段,具有良好的延性性能; 4 、從整體抗震性能上看,翼緣全螺栓連接節點、雙t板連接與加勁端板連接節點都優于常規栓焊節點,可在實際工程中加以廣。
  4. The cleaning cars has seven major characteristics : 1, the vehicle design aesthetic appearance generous, simple, flexible cleaner compact cab from the sanitation workers in the rain, snow and inclement weather operations headaches ; 2, jia lu cleaning electric car gearbox is my companys patented products, latin america is characterized by heavy goods, light down - climbing and extended battery life ; 3, jia lu electric bicycle bridge cleaning car brake, the company is a patent product, is characterized by simple structure, convenient operation, maintenance easier, better braking performance ; 4, good deer electric car cleaning dustbins with low human workers the high - school, so that sanitation workers can easily handling, reversing a good sight, and reduce incidents, high safety factor ; 5, good deer electric cleaning trucks advanced electric power putter as a dump, the sanitation workers to reduce labor intensity, is characterized by fewer power failures, maintenance - free ; 6, jia lu electric vehicle using toughened glass cleaning cars, advance reversing have good vision, difficult to scratch and ensure the safety of sanitation workers ; 7, good deer by external electric car cleaning plate, a fiberglass liner internal, external characteristics : hinge not on the plate yi loose, often not dump deformation and withstand collisions, the internal use of fiberglass liner, not rust, corrosion, wear after the liner can be replaced, maintaining low cost

    該保潔車有七大特點: 1 、該車外型設計美觀大方,操簡單靈活,明凈小巧的駕駛室免除了環衛工人在雨雪等惡劣天氣業時的煩惱; 2 、佳鹿電動保潔車變速箱是我公司的專利產品,特點是拉重貨,輕松爬坡而且省電,延長電瓶的使壽命; 3 、佳鹿電動保潔車后橋雙輪制動,是我公司的專利產品,特點是結構簡單,操方便,維修容易,制動性能好; 4 、佳鹿電動保潔車超低的垃圾箱符合人體工程學的高度,使環衛工人能輕松地裝卸,倒車時具有良好的視,減少事故的發生,安全系數高; 5 、佳鹿電動保潔車採先進的電動為自卸動,減輕了環衛工人的勞動強度,特點是故障少功率大,免維護; 6 、佳鹿電動保潔車整車採鋼化玻璃,前進倒車都有良好的視,不易劃傷,保證環衛工人的安全; 7 、佳鹿電動保潔車外部採鋼板,內部採玻璃鋼內膽,外部特點:鉸鏈在鋼板上不易松動,經常自卸不變形,經得起碰撞,內部採玻璃鋼內膽,不生銹、不腐蝕,磨損后內膽可以更換,維護成本低。
  5. This paper focuses on the research of the stress mechanism of the ribbed shell structure in statics, dynamics and under the explosive load on the basis of the engineering practice of cave depot of single aircraft. in this paper, according to the classical shell theories, the basic differential equilibrium of the ribbed shell structure and the finite element analysis of 3d rippled plate are established, in which the function of annular ribs reinforcement bars and 3d ripped steel plates are distributed in the range of the steel, and the functions along the longitude direction of tension, bending, and torsion are neglected ; applied with dynamic analytical theory, the dynamic model of ribbed shell structure and the analytical theory model of elastic - plastic are set up ; the triangle series method is used to solve the displacement and stress under the distributed load and the concentrated load of the ribbed shell structure

    本文以軍機場地面單機掩蔽庫工程建設為工程背景,首次對內襯三維波紋鋼板混凝土拱型復合結構的受機理進行了靜、動和爆炸荷載的分析研究。根據將橫肋、鋼筋及三維波紋鋼板的均勻分佈在殼體范圍內的情況,忽略橫肋、鋼筋及三維波紋鋼板沿殼體母方向的抗拉、抗彎及其抗扭,首次導出了內襯三維波紋鋼板混凝土殼體的微分平衡方程,建立了有限元計算模型,並採三角函數法,求解了三維波紋鋼板混凝土拱型復合結構在分佈荷載和集中荷載下的位移響應和應響應,並與普通殼體進行了比較。
  6. Seeing from full text, the artic le establishes in two main lines. one is a clear line, including the concept, character, research and usage of the enterprise core competencies, among them put forth effort to emphasize the competition strategy and study mechanism, which largely contribute to establish and support to the core competence. the other is a dark line, which established on the national and local economic environment, competing situation and enterprise present condition

    『竟爭特徵、研究及使和強化的方法為引,其中著強調了競爭戰略和學習機制對企業建立、維護和發展核心競爭的巨大;另外一條是暗,以國際、國內的經濟環境、競爭局勢、企業現狀貫穿始終,突出了全球化和知識化對我國企業加強、加速形成具有自身特色核心競爭所發出的挑戰。
  7. The experiment procedure and analysis result about exteriorly extended end - plate connection with high strength bolt are introduced primarily ; each sample ' s dimension is given. the adding load equipment, measuring apparatus placed, measuring point established is detailed. adding load measure load and m - curve is produced ; the single span gabled frames horizontal displacement formula is deduced when the horizontal concentrated force is applied to it

    重點介紹了外伸端板高強螺栓連接的實驗過程及實驗分析結果,介紹了各組試件的形狀尺寸、加載裝置、測量儀器安放、測點的布置等;給出加載方式及測出的m -曲;計算出試驗節點的初始剛度;導水平集中下單跨門式剛架考慮節點半剛性的側移計算公式。
  8. On the foundation of that, the paper took into discussion on how to perfect the legislation of the crime of significant accidents due to environmental pollution. the discussion was mainly on the requisites to constitute of the crime, the determination of the crime and the principles of how to punish the crime. at last the paper came into the conclusions : 1

    筆者寫本文主要是出於對環境污染的憂慮,認為環境刑法為法律的最後一道防,應當在打擊犯罪,實現人類可持續發展的斗爭中發揮其應有的,本文雖然僅以重大環境污染事故罪為研究對象,但者希望能夠以小見大,而廣之,為我國環境刑法理論的完善盡一份微薄之
  9. Considering the similitude law for shaking table test, we study the test results and obtain some conclusions which are a ) generally, the silty soil in test box liquefies and the liquefied time has relation with the amplitude of acceleration, b ) when the intensity is on and above eight degree, the silty soil deposit will be liquefied dramatically, c ) the relationship of the pore water pressure is relevant to the cycle loading which represents when the cycle loading ranges from little to great, the relationship is represent as a concave curve, or else as a protruding curve and tends to stability. ( 3 ) based on the triaxial compression test and the resonant column test, some studies are made such as a ) the duncan - chang parameters of constitutive model, b ) the dynamic shear modulus ratio and c ) the damping ratio of the site soil deposits. in order to deal with the test data, a computer program is compiled

    ( 2 )利小型振動臺進行了k _ 0固結狀態下粉土的振動液化模擬研究,通過分析正弦荷載下的試驗資料,驗證了粉土的孔隙水壓增長模式的合理性;從微分方程導了基於土體振動臺模型試驗的相似律,並從模型實體、孔壓時程曲和相似律等方面做出了分析,得出了如下結論:在小型振動臺試驗中,模型箱中的粉土都發生了液化,液化的時刻和輸入加速度幅值有關,而對頻率的變化不太敏感;粉土在相當於8 9度地震烈度的加速度幅值下可能產生嚴重的液化;孔壓的增長曲形狀與施加的荷載有關:當施加荷載為由小到大的形式時,曲形狀為上凹的曲;當施加荷載為等幅的正弦荷載或荷載幅值由大到小時,曲形狀為上凸的曲,且逐漸趨于穩定。
  10. When analyzing skew support continuous curved box girder bridge, curved grid girder analyzing method considering warping effect is applied. matrix displacement method is applied in analyzing skew support continuous curved thin - walled box girder bridge with restrained bearing. in order to convert original rigidity equations to structural rigidi ty equations that can be solved, bearing nodal displacement matrix can be introduced, then unknown quantities at the edge of beams can be consistent with the restrained directions of skew bearings, unit rigidity matrix and unit nodal forces can be gained. structural rigidity matrix can be composed according to matrix displacement method, so nodal displacements and inner forces on the end of the rod that are unknown can be gained calculating equations of inner forces on any cross - section can be solved

    分析斜支承連續曲箱梁橋時,採考慮翹曲的曲格子梁分析方法,應矩陣位移法對具有約束支承形式的斜支承連續曲薄壁箱梁橋進行分析,考慮到支座的約束條件並不與梁端彎曲角位移和扭轉角位移的方向一致,引入支座節點坐標矩陣,使得梁端的位移未知量與斜支座約束方向一致,來計算單元剛度矩陣和單元節點,然後按照矩陣位移法組集總剛並建立結構剛度方程,根據結構剛度方程即可求解未知的節點位移及桿端導出任意截面處的內計算公式。
  11. This thesis aims to carry out a profound study on the " government interference complex " in the ethnic regions from the pointview of executive philosophy. it tries to expose the complex ' s theoretical origin - misunderstanding on " economy determinism " and insistence on " straight development of history " ; its empirical origin - modernization effect ; practical motive - desire for synchronization and the promotion function given by the mainstream management ideas to the " complex ". based on these, the thesis reveals the realistic characteristics of " government interference " : firstly, it examines whether ethnic regions get some progress under the guidance of " straight development of history " ; secondly, government interference brings about the destruction and change in the fields of natural ecology, cultural ecology and ethics as well ; finally, government interference leads to the systematic lies and will involve the ethnic regions in the sequela caused by the interference

    )對民族地區行政「政府干預情結」進行深度研究,試圖通過民族地區行政「政府干預情結」問題中隱含的邏輯索,揭示民族地區行政「政府干預」理論起點:對經濟決定論的曲解、對歷史發展單論的真理化,揭示民族地區行政「政府干預」經驗起點:后發現代化效應,揭示民族地區行政「政府干預」實踐動: 「共時性」訴求,以及政府主流管理思想對民族地區行政「政府干預」的;在此基礎上,進而梳理出民族地區「政府干預情結」多方面的現實表徵:一方面,在單歷史進化論考察下的民族地區進步;在另一方面,政府干預帶來了民族地區自然生態觀的沖擊與毀滅、文化生態的濫與消亡、民族地區倫理道德的流失與嬗變、民族心理的依賴與失衡,再一方面,政府干預帶來民族地區的制度性說謊,並讓民族地區陷入了邏輯的怪圈:政府干預「政府干預后遺癥」 。
  12. A method is provided to measure the friction parameters of the bed. the maximum friction torque, coulomb friction torque, viscous friction coefficient and moment of inertia can be gotten by fitting the free reduced rate curve of the gimbals and measuring the motor current when the motor begins to rotate

    提出了一種測量轉臺摩擦特性的方法,通過對轉臺在無外下的速度衰減曲的擬合以及電機啟動過程電流和轉速的測量,可以得到最大靜摩擦矩、庫侖摩擦矩、粘滯摩擦系數及轉動慣量。
  13. B ) equivalent circuit method and finite element analysis ( fea ) to compute the static force are presented, the results obtained by each method are compared one with the other. c ) the results of dynamic simulation by means of the software, ansoft show the hlfm " s characteristics when the motor works in the special frequency and single stroke and the conditions used for position control. d ) the measured static thrust - displacement characteristics and the dynamic characteristics during starting show good correlation with the calculated results

    在設計並製了實驗樣機的基礎上所做的研究內容包括; ( 1 )分別能量法和麥克斯韋張量法導電磁的計算公式,並討論他們的不同應范圍; ( 2 )分別等效磁路法和有限元法電機的靜特性分析,並比較分析它們的計算結果; ( 3 )有限元模擬軟體做直電機動態特性的模擬,分別分析直電機的頻率特性、動子開合閘特性和開環位置控制的工特性; ( 4 )做直電機的靜?位移特性實驗和動子開合閘的動態實驗,並將實驗結果與計算結果進行對比,實驗驗證了計算模型及計算方法的正確性。
  14. According to different working performance ofjhe partially prestressed structure after cracking under the piling loads, the calculating formulae of the " complete stress " are deduced separately by means of linear - elastic or nonlinear analysis method

    根據部分預應構件在荷載分期下不同的受性能,分別彈性方法和非性分析方法導了預應構件開裂截面全應的計算公式。
  15. The main contents are as follows. by the experiments of two joints under low - reversed cyclic loading, the paper analyzes the failure pattern, energy dissipation, ductility and cracking in the joint cores, evaluates the seismic performances and anti - crack behaviors of the joints, and deduces the anti - crack formula of the subassemblage and prestressed frame joint. through the fini te element analysis software ansys, the paper analyzes the specimens nonlinearly, and the theoretical analysis results are well consistent with those of the experiment

    主要內容包括:通過兩榀節點在低周反復荷載下的試驗,分析其破壞形態、耗能能、延性性能和節點核芯區裂縫開展情況,評估節點的抗震性能和抗裂能導出預壓裝配式框架節點的抗裂驗算公式;並運ansys對試驗中的節點進行了非性分析,計算結果與試驗結果基本吻合。
  16. As a result of the heightening of mechanical operation speed and the application of new materials and new structures, the nonlinear dynamic behavior in rotating machines is becoming increasingly outstanding and important. nonlinear dynamic phenomena in rotating machines cant be described, explained and predicted by rotordynamics based on linear system theory. along with the deepening and permeating of nonlinear scientific research, the nonlinear vibration of rotor systems has become an attractive field in recent years. from a point of view to set up the distinct corresponding relations between vibration states and failures of rotating machines, main advances in the research of rotor nonlinear vibration are summarized, and typical nonlinear dynamic phenomena and their forming mechanism are also summed up in the paper. the aim of the paper is to enrich the diagnostic knowledge base of rotating machines. 55refs

    由於機械運轉速度的不斷提高和新型材料、新型結構的廣應,旋轉機械的非性動學行為日顯突出和重要.基於性系統原理的轉子動學理論與方法難以對實踐中出現的豐富的非性動學現象出準確的描述、闡釋和預測.近年來,隨著非性科學研究的深入和滲透,轉子系統非性振動已成為應學和機械工程領域的研究熱點之一.從有利於建立旋轉機械振動狀態集與故障集之間的映射關系出發,綜述了近年來轉子系統非性振動研究的主要進展,總結了轉子系統中出現的典型非性動現象及其產生機理,目的在於豐富旋轉機械故障診斷知識庫.參55
  17. The application background of thrust vectoring technology on aircraft and its advantages are analyzed. the main characteristics of some type of vectoring nozzles are discussed, the expression of thrust vectoring force and moment are set up. then, the nonlinear motion equations of aircraft with three axes of thrust vectoring are deduced

    本文主要針對矢量飛機非性飛行控制的理論和應問題進行了一定的探索和研究,進行的主要工有: 1 、研究了矢量在飛機上的應背景和收益,分析了現有矢量噴管的主要形式和特點,給出了矢量矩的數學模型,並在此基礎上導了帶三軸矢量飛機的非性運動方程,為控制律的設計奠定基礎。
  18. Axial of thrust

    沿推力作用線分佈的
  19. In the buckling question under nonconservation force, a simply example ( the dynamic stability question under the uniformly follower forces with small deformation % linear elastic, straight normal. ) is considered. the variational equation of braid composite cylindrical shells subjectd to uniformly follower forces is deduced based on the variation principle of quasinatural frequency of elastic nonconservative system self - excited vibration. the calculated formulas of the flutter load and quasinatural frequency of shells are obtained. the program for calculating the flutter load is developed. the numerical example is given and some useful conclusions are obtained

    對非保守下的屈曲問題,具體研究了圓柱殼在比較簡單的情況,即小變形、彈性、直法假設下在隨動下的殼屈曲問題,由擬固有頻率變分原理出了圓柱殼受隨從的變分方程,得到了顫振載荷與殼彎曲的固有頻率的計算公式,編制了相應的計算機程序,並給出了具體算例,得到了一些有益的結論。
  20. Now the information technologies such as computer networks, database are progressing rapidly, and have contributed a lot in all kinds of fields. thus, it is valuable to research how to apply these new technologies to monitor the precipitation rain fall along the railway, to provide a scientific basis for preventing and reducing the disaster

    目前,計算機網路、數據庫等技術的發展十分迅猛,並對各個行業的發展起到了巨大的,如何將這些新興的技術應於鐵路沿雨情監控,為鐵路防災減災提供有的技術支持和科學依據,達到提高其防災減災水平,是一個值得的研究課題。
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