力學分點 的英文怎麼說

中文拼音 [lìxuéfēndiǎn]
力學分點 英文
dynamical equinox
  • 力 : 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...
  • 學 : Ⅰ動詞1 （學習） study; learn 2 （模仿） imitate; mimic Ⅱ名詞1 （學問） learning; knowledge 2 （學...
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 點 : Ⅰ名詞1 （液體的小滴） drop （of liquid） 2 （細小的痕跡） spot; dot; speck 3 （漢字的筆畫「、」）...
  1. In this paper, ackerman steering linkage of double - wishbone suspension is taken as the study object, choosing the splitting joint and steering lever joint to carry out the design of optimization the mathematics models are established based on the multi - body system dynamics, applying its analysis method of kinematics to study the mechanism kinetic principles owing to more spatial factors considered, and calling off many hypotheses affecting the accuracy, compared with the traditional methods, the models are better to reflect the realistic motion principles, the results are more exact and applicable moreover, the force analysis is applied to the conduct mechanism the analysis method of dynamics in the multi - body dynamics is applied to study the forces applied on every component, working out the constraint reaction force of up and down ball joints, and developing the current computation program in the end, produce the upper wishbone geometry model in the ansys software package, meshing and carrying out the fea, testifying if the intensity of the wishbone meet with the requirements

    本文以雙橫臂獨立懸架的轉向傳動機構作為研究對象，選擇對斷開點和節臂球銷的位置進行優化設計，在此基礎上建立了基於多體系統動力學的導向機構和轉向傳動機構的數學模型，運用該學科的運動學分析方法研究機構的運動規律，編制了通用優化設計軟體。由於考慮了更多的空間因素，取消許多影響準確性的假設，因此建立的數學模型與傳統的方法相比更能反映實際運動規律，得到的優化結果也更加精確實用。此外，本文還針對導向機構進行受力分析，在建立該機構的空間動力學模型后，運用多體動力學中的動力學分析方法研究各個桿件的受力，計算出上下球鉸的約束反力，並開發出了相應的通用計算程序。
  2. This paper mainly discusses about the acceleration response of the artillery that is caused by the plainness causes under traveling condition. and according to the system aspect of the matching between the tractor and artillery which composes the artillery train, it also presents the characteristics of the steering, braking stability and manipulating stability which affects the artillery moving maneuverability

    本文在火炮設計領域首次對火炮牽引列車系統進行動力學分析，重點研究了火炮牽引行駛狀態下的路面不平度對火炮的加速度響應，並從牽引車與火炮匹配組成火炮列車的系統角度，研究了影響火炮行駛機動性的轉彎特性、制動穩定性和操縱穩定性。
  3. The important aspect in the analysis of coupled electromagnetic - mechanical problems is the consideration of the coupled interaction between the electromagnetic field and the deformation / force on the contact boundaries, which leads strongly non - linear behaviors

    摘要電磁接觸耦合作用的力學分析的難點是必須考慮電磁場以及由此引起的電磁力與可移動接觸邊界間的耦合作用，屬于強非線性問題。
  4. The crystallization and melting behavior of mellocene - catalized branched and linear polyethylenes of low molecular weight was studied. it was found that the crystalline lattice of branched polyethylene is larger than that of linear polyethylene because of the existence of branched chains. the melting behavior of branched polyethylene is similar to that of linear polyethylene since the branched chains can not enter the lattice. however, the crystalline behavior of low molecular weight branched polyethylene is the same as that of high molecular weight linear polyethylene, but different with that of low molecular weigh linear polyethylene. kinetics theory analysis evidenced that the transition temperature of growth regime of the branched polyethylene is about 20 lower than that of linear polyethylene with the same molecular weight. it may be attributed to the existence of short branched chains

    研究了金屬茂催化的低分子量支化聚乙烯和線性聚乙烯的結晶及熔融行為，發現支化聚乙烯的結構與線性聚乙烯相同為正交結構，但晶格略有膨脹.支鏈的存在對熔融行為影響不大，兩種聚乙烯的熔點均隨結晶溫度的升高而非線性增加，表現出低分子量樣品的共同特徵.但支鏈的存在對結晶行為卻有很大的影響，主要是由於支鏈的存在降低了晶體的結晶速率從而影響結晶過程，使得低分子量的支化聚乙烯的結晶行為與高分子量線性聚乙烯的結晶行為相似而與低分子量的線性聚乙烯不同.動力學分析表明，低分子量的支化聚乙烯的結晶生長方式的轉變溫度比同等分子量的線性聚乙烯降低了約20
  5. Along with the progress of drilling technology, many new types of bha such as steering motor assembly, dropping assembly with eccentric bend sub, dropping assembly with flexible connection are developed based on common building, dropping and holding assemblies. for using these bha, a new mathematical model is put forward for 3d static analysis of these types of bha under small deflection. and its weighted residual solution is given. the mathematical model includes ( 1 ) differential equations ; ( 2 ) boundary conditions at drill bit, stabilizer, bend angle, diameter change, tangential point and borehole wall ; ( 3 ) lateral forces and deflection angles of bit. the software based upon this method runs well

    為了更好地應用各種新鉆具，建立了適用於對普通下部鉆具、導向鉆具、帶偏心彎接頭和柔性接頭的下部鉆具進行三維小撓度靜力學分析的數學模型，包括（ 1 ）微分方程； （ 2 ）鉆頭、穩定器、彎角、變截面、切點和井壁的邊界條件； （ 3 ）鉆頭的側向力和鉆頭轉角.給出了該模型的加權余量解.用該方法編寫的軟體應用效果良好
  6. According to the engineering criterion of the cooling system, the function and the characteristic of the cooling system are checked at the case of rating and torque, thus two schemes are compared to select the better one, and also the boundary condition for further computational fluid dynamics ( cfd ) analysis is provided

    按照冷卻系統工程規范，分標定點與轉矩點兩個工況來檢查冷卻系統的功能和特性，以比較兩種結構方案的優劣，也為下一步進行計算流體動力學分析（ cfd ）提供邊界條件。
  7. In order to make full use of advantages of high stress precision in iem and wide use of fem, zonal fem - iem is constructed to establish a foundation of method in viscoelastic interface mechanics

    為充分利用界面元法應力精度高、有限元法適用范圍廣的優點，還建立了分區界面元-有限元法列式，為粘彈性界面斷裂力學分析奠定了方法基礎。
  8. We analyzed the nucleation act of diamond in chemical vapor deposition ( cvd ) from the view of thermodynamics in the paper. a new nanothermodynamic approach was proposed, based on the established carbon thermodynamic equilibrium phase diagram

    本文從熱力學角度分析了化學氣相沉積（ cvd ）金剛石過程中，金剛石的成核行為，提出了一種新的金剛石的納米成核熱力學觀點。
  9. The research of high performance pavement concrete ( hppc ) is done in two sides. one is mixture design, the other is pavement performance. the mixture design and design flowchart of hppc is given on the base of nc with the consideration of characteristic of both hppc and nc. the grow law, influencing factor and formation mechanism of hppc strength is analisised by perpendicular experiment. in the same, the fatigue equations are set up for hppc and hppc i on the base of fatigue experiment. the fatigue mechanism of hppc is analysised by damage mechanics and fracture mechanics. brittleness, frost resistance and abrasion resistance of hppc is researched with the camparition to nc i. at last, the economic analysis of hppc is done by two kinds of way

    結合高性能混凝土與普通路面混凝土的特點，提出了建立在普通路面混凝土基礎上的高性能路面混凝土配合比設計方法，給出了設計流程；通過正交試驗（強度試驗） ，分析了高性能路面混凝土的強度發展規律、影響因素與形成機理；同時，根據疲勞試驗結果採用雙參數weibull分佈模型分別建立了高性能路面混凝土和高性能路面混凝土（沒有摻加硅粉）疲勞方程，應用損傷力學和斷裂力學，分析了高性能路面混凝土的疲勞機理；並採用了對比分析方法，研究了高性能路面混凝土的脆性、抗凍性和耐磨性等。
  10. A model is made according to the bearing and screw style, and the static analysis of the model has been done under launch environment. in the static analysis the couple point method is accepted for the solution of the relationship between the contact parts of the mechanism

    然後利用ansys軟體進行了發射荷載條件下機構的強度校驗，在其中提出了利用耦合點來解決有接觸構件的力學分析問題，可以基本滿足問題的要求。
  11. The kinetic characteristics of two - stage riser fluid catalytic cracking ( tsrfcc ) technology were studied, and experimental data were simulated by using the modified three lumping kinetic model of tsrfcc

    摘要利用修正的兩段提升管催化裂化的三集總動力學模型分析了兩段提升管催化裂化技術的動力學特點，並對中試裝置的試驗數據進行了擬合。
  12. Investigation on piston assembly ' s mechanical load and test computation on thermal load, including the discussion on the analysis on movement and structure dynamics of piston assembly

    此部分包括簡單的運動分析和結構靜力學的論述，並於最後指出了活塞組結構動力學分析的難點和重點。
  13. The author designed, made, processed and tested to the plexiglass model and the bridge. then author calculated and analyzed the results, as a result of the computer programs bsas, sap, qjx and nastran. the author researched the force characteristics and structural behavior of large - span prestressed concrete bridges with continuous rigid frame structure, used the advanced theory and technology, materials, arts and crafts to resolve the practical matters in design and construction, to optimize structure, and to provide credible technical data for the design and construction and maintenance of bridges

    本文以吉林省九站松花江特大橋為研究對象，通過有機玻璃模型的設計製作及加工和試驗，以及對已竣工通車的實橋荷載試驗，利用計算機程序bsas 、 sap 、 qjx及nastran等程序進行理論計算和綜合對比分析，探討大跨徑預應力砼連續剛構橋的力學特點和使用性能，運用先進的理論、技術、材料、工藝等來解決設計和施工中存在的實際問題，優化結構，並為橋梁的設計、施工及使用維護等提供可靠的技術資料。
  14. The dynamical modeling methods of serial or paralle marchines usually include the vector mechanics method whose representative is newton - eula equation, the analysis mechanics method whose representative is lagrange equation, and the kine method which has both excellences of vector mechanics and analysis mechanics

    機械多體系統動力學的建模方法通常有以牛頓? ?歐拉方程為代表的矢量力學方法；以拉格朗日方程為代表的分析力學方法；和兼有矢量力學和分析力學優點的凱恩方法。
  15. Cellular automata was applied to solve mechanical problem of plane truss, and the feasibility of which was discussed in this article. the characteristic of cell and the way of dividing cell were studied while presenting a program and its frame chart. the work load of the new method was not much because it neednt form a partial differential set or a general finite element robustness matrix. numerical computing results show that the new method has a rapid speed of convergence to nodal displacement and internal force of element, so it probably has a good prospect in solving solid mechanical problems

    嘗試用細胞自動機作平面桁架力學分析，探討了該方法的可行性.給出元胞的劃分方法和特性，列出計算框圖並編制了相應的程序，由於不必形成結構的偏微方程集或有限元的總體剛度矩陣，計算工作量小.算例表明，該方法對結點位移和桿內力的收斂速度均較快，是一種分析固體力學問題有前景的新方法
  16. First, the one - dimension load transfer model presented by cox was studied in details. based on the ideal interface bonding load transfer model, a fibre fracture criterion and an interface debonding criterion were established in terms of fracture mechanics, which bettered the interphase load transfer model. this model could also describe the process of single - fiber composites fragmentation

    首先，本文充分研究了cox一維界面載荷傳遞模型，在完美界面粘結載荷傳遞模型的基礎上根據斷裂力學觀點建立了纖維斷裂判據和界面脫粘判據，完善了界面載荷傳遞模型，以該模型為基礎較好地描述了單纖維復合材料拉伸實驗過程。
  17. The analysis of kinematical and dynamical model and mechanical characteristics are involved, and the emulation of the motion and dynamic is put into reality. the motion performance of the output varies because of the differently applied actuations

    涉及到2r開鏈機構的運動學、動力學分析和機構特性研究，並且進行2r機構的運動學和動力學的模擬，針對不同的驅動配置研究輸出點的運動性能。
  18. Then the analysis of dynamic statics about mould - cut main mechanism is given and the analysis about force of each joint point in a motion period is put forward

    然後對主切機構進行了動態靜力學分析，得出一個運動周期中各鉸接點的受力情況。
  19. The software has six modules : thermo physical property of working medium, design of heat pipe lithium bromide - water generator driven by waste heat, system design of single or double lithium bromide - water refrigerators with heat pipe, performance simulation of single or double lithium bromide - water refrigerator with heat pipe in varying duty, thermodynamic parameters of each state, thermodynamics analyses. the software makes the design more convenient and correct. it can be used to compare the design of multiparameter and select deferent design methods according to different needs

    考慮到這種情況，本文在查閱相關文獻的基礎上，開發了煙氣驅動的熱管廢熱溴化鋰製冷機的系統設計和變工況性能模擬軟體，該軟體分為6大模塊：工質熱物性模塊、熱管溴化鋰廢熱發生器設計模塊、單/雙效熱管廢熱溴化鋰製冷機系統設計模塊、單/雙效熱管廢熱溴化鋰製冷機變工況性能模擬模塊、各狀態點熱力參數模塊和熱力學分析模塊。
  20. Firstly, based on the utilization of the first and second law of thermodynamics, the ideal combined camot cycle model is set up. secondly, aimed at the insufficient of the classical thermodynamics analysis method, the popular method - - finite time thermodynamics analysis is applied to set up the model of endo - reversible combined carnot cycle. finally, the optimization relationships between the specific heating load ( shl ) and operating parameters and between shl and cop are conducted according to the characteristics of the function and investment of aht

    在首先利用熱力學第一、二定律分析方法的基礎上，建立了吸收式熱變換器的理想聯合卡諾循環模型，然後針對經典熱力學分析方法的不足，利用了當前很流行的有限時間熱力學分析手段，建立了aht系統內可逆聯合卡諾模型，根據熱變換器的功能、投資等方面的特點，導出了吸收式熱變換器比供熱率與操作參數、比供熱率與熱力學性能系數的優化體系。
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