力學線路 的英文怎麼說

中文拼音 [xuéxiàn]
力學線路 英文
mechanical circuit
  • : 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...
  • : 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...
  • : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
  • 線路 : 1. [電學] circuit; line 2. [交通運輸] line; route
  1. Vsp is both a pivotal tache in logistic distribution optimization and indispensable in electronic commerce. it can increase logistic economic benefit and realize logistic rationalization. the systemic study on the theory and method of vsp is the base on the growth of logistic intensivism, the establishment of modem chain of command, the development of its and ec. now, the problem is not only applied to the field of auto transportation, but also to ship avigation communication electricity industry management computer application etc. the algorithm has been applied into many combinatorial optimization problems such as the trainman ' s shift arrangement in avigation the optimization design of cargo arrangement in ship company

    對貨運車輛進行調度優化,可以提高物流經濟效益、實現物流科化。對貨運車輛調度優化理論與方法進行系統研究是物流集約化發展、建立現代調度指揮系統、發展智能交通運輸系統和開展電子商務的基礎。目前,問題的形式已有很大發展,該問題以不僅僅局限於汽車運輸領域,在水運、航空、通訊、電、工業管理、計算機應用等領域也有一定的應用,其演算法已用於航空乘務員輪班安排、輪船公司運送貨物經過港口與貨物安排的優化設計、交通車安排、生產系統中的計劃與控制等多種組合優化問題。
  2. The scielltific computational theories and methods on bird strike to the windshield of aircraft have been systematically studied and summed up in this thesis, such as fem comptltational principles and procedures to elastic dynamic problems under the conditions of small and non - linear finite deformation, 3d viscous elastic constitutive theory and incremelltal expression under the consideration of the rate effect of non - metallic materials like the aircraft windshield, and the numerical compatational principles and key constitutions for impact - contact dynamic subjects

    2 、系統習並歸納總結了鳥體撞擊風擋結構問題中的科計算理論與計算方法。按照鳥撞問題數值計算方法逐步深入的思,系統總結了小變形結構動有限元數值計算方法、有限變形的幾何非性有限元數值計算方法、粘彈性體非性形變的本構物理關系;對于實施復雜結構有限元動計算的載荷增量方法提出了對newmark差分的改進以及進行材料與幾何非性數值計算的細致步驟。
  3. In this paper, the rotating machinery at high speed is studied. there are discussed about numerical calculating methods for non - linear dynamical system, the rotor system radial impact and rubbing dynamics behavior analysis having the nonlinear rigidity on the unsteady and non - linear oil film, the rotor system dynamics behavior analysis with bending - torsional - pendular coupling vibrations, application of wavelet, fractal and network in fault diagnosis. the main works in this paper are as follows : ( 1 )

    本文以高速旋轉機械為主要研究對象,系統、深入地研究了非性動系統的數值計算方法、具有非性剛度的轉子系統在非穩態非性油膜作用下的徑向碰摩動行為、轉子彎扭擺耦合振動的動分析、小波和分形理論及人工神經網在故障診斷中的應用問題。
  4. And production fashion is selected optional for assurance of the material character of hpch. the hpch material, in which the compound technique route of polybasic components is applied, has better properties such as high workability, high durability, low ion transference rate and so on

    採用多組份復合技術配製出高工作性、高耐久性、低離子遷移率的hpch材料,對其宏觀物理性能、耐久性能和微觀結構進行了分析研究。
  5. This model helps to make a non - linear finite element program which is tested and verified by the example in umt

    在此基礎上,建立了城市軌道交通橋梁無縫縱向的空間一體化模型,編制了非性有限元模型,通過實例進行了模型驗證。
  6. Safety of structures is a common and important problem in the mechanical engineering. recent years there is a trend of developing unified theory of fatigue and fracture to describe the life - cycle damage behaviour of structures. researches on safety guarantee are going toward multi - method synthesis, system micromation, network availability and life - cycle information management

    結構的安全性一直是工程中普遍關心的重要問題,結構強度逐漸發展到疲勞斷裂統一理論,結構安全保障手段已向多方法、微小化、網化和全壽命在保障與監測發展,建立全壽命安全保障系統,涉及材料、機械、、電子等科的交叉融合。
  7. With the development of the computer and calculating dynamics, in recent years many researchers from different countries begin to research the coupling between train and line. the research on the coupling between vehicle and brid ge with the finite element method becomes one of the very important constitutional parts

    隨著計算機和計算的發展,近年來各國鐵科研工作者開始對列車?耦合系統進行研究,其中,車?橋耦合振動的有限元分析研究就是近年來發展起來的一個重要組成部分。
  8. The study of probabilistic analysis methods for cwr dynamic stability analysis provides scientific basis for the designing, the constructing and managing of cwr, and lays a foundation for probabilistic design of cwr. the research achievements

    無縫穩定性概率分析方法的研究為無縫的安全設計、安全施工和安全管理提供了科的理論依據,為無縫的概率設計奠定了基礎。
  9. Abstract : with the basic concept of damage mechanics and based on the fatigue damage equation of concrete materials, the multistage fatigue damage process of concrete materials is deeply and theoretically analyzed. accordingly the pathway of multistage fatigue damage with the characteristics of independence and continuance is provided, and the non - linearity multistage fatigue damage equation of concrete materials is inferred. the equation clearly reflects that the loading sequence has an effect on the fatigue accumulating life expectancy ; with the use of this equation the effect of overloading on the material life expectancy is analyzed

    文摘:利用損傷的基本概念,在砼材料疲勞損傷方程的基礎上,對砼材料的多級疲勞損傷過程進行了深入的理論分析,給出了具有獨立性和連續性的多級疲勞損傷徑,推導出了砼材料的非性多級疲勞損傷方程,方程明確的反映了加載次序對疲勞累積壽命的影響;利用此方程,筆者分析了超載對材料使用壽命的影響
  10. This paper unfolds engineering disposition and theoretical research of negative temperature high performance concrete ( nthpc ) with the damage of many factors motivation, the project background based on qing - zang railway engineering, which is one of four - emphasized engineering during the tenth five - plan. due to the difference of environment of construction and service between nthpc and ordinary concrete, and therefore durability of nthpc is required to higher level. at a first, nthpc must avoid frozen damage at early age and possess anti - freezing property at later period, in order to meet engineering practicable application need, and this are two emphasized and difficult problems, as for nthpc ; by means of mechanism analysis about deicing - agent ingredient and anti - freezing at early period, adopting composite technique routine of mineral addition + anti - freezing element + water - reducer4 - air - entraining + anti - erosion of steel component etc, based on orthogonal experimental approach, fd - 1 composite functional admixtu re was manufactured, which has more property and orientation on qing - zang railway

    負溫混凝土由於和普通混凝土在施工環境及服役環境上存在的差異,因此表現為比普通混凝土更為較高的耐久性要求;負溫混凝土首先要避免早期的凍害以及具備長期抗凍性能,才能夠滿足工程實際應用的要求,這也是負溫混凝土必須解決的兩大技術關鍵;通過對目前常用防凍劑組分作用機理的分析研究及混凝土早期防凍機理探討,採用礦物外加劑+防凍組分+高效減水劑+引氣+阻銹組分功能復合的技術,通過正交試驗設計復配了適應青藏鐵工程要求的專用多功能復合型外加劑fd - 1 ;並在此基礎上配製不同等級負溫高性能混凝土,開展一系列包括硫酸鹽侵蝕、氯離子滲透、抗凍融循環、收縮及耐磨性等耐久性能研究;通過對fd - 1組分和摻量的調整,優化負溫混凝土在施工特性、指標和耐久性三個方面的兼容、協調性。
  11. Following this principle, dpc adopted the method of " goal management ", i. e. disintegrating the three goals of investment, schedule and quality to different levels in accordance with different administrative levels to keep their consistency generally. moreover, dpc tried some effective new pattern such as in - phase management, strategic pass management and block management to shorten the time limit on the premise of ensuring the project quality. using some effective science way and modern management technology such as key line method to realize the reasonable resources allocation, including human resource, material resource and financial resource

    在這一理念的指導下,大連石化分公司運用了目標管理,將投資、進度、質量三大目標層層分解,並保證目標點的設置和時間段的劃分切實可行,方便合理;目標分解結構在較粗的層次上與組織分解結構一致,實現了組織結構設計與目標分解設計的配套;努提高作為建設單位為各參建方的服務意識,注重與參建各方的有效溝通和相關單位的全方位協調;採用同步管理、關口管理和分塊管理等多種有效的新模式,在保證工程質量的前提下,趕工期,搶進度;用關鍵法、凈值法等有效的科手段和現代管理技術來實現建設工程中資源的合理配置。
  12. According to the special shape and operate requirements of the torpedo, the structure and moulding process of the torpedo shell are established, in which the body and overlay block with grooves are moulded by fiber winding, and close moulding respectively with the adhesive by limited stop compression. in the light of the selection of raw material system, composite system with outstanding performance are defined, based on which the mechanical properties are tested., with the overall consideration of structural characters and design demands, the main factors which may have effects on the strength and stability ( including stiffness section dimension, stiffeners space, skin thickness and skin lay angle ) is optimized one by one for the structure design parameters on the base of the fem model of skin, stiffness and layover block by fem. as a result, the prototype with 1 : 1 proportion and its structure and lay optimization design are completed. the moulding technology for polyurethane foam moulding the stiffened shell is obtai ned in terms of the design, manufacture moulding, experimental mould and tooling

    依據在研產品特殊的外型結構和使用要求,確定了該型號水雷復合材料殼體的具體結構形式和復合成型工藝,即由纖維纏繞工藝成型主體異形件,閉模成型帶通槽外貼塊,用限位加壓工裝實現粘接的工藝;通過對原材料體系的篩選,確定了綜合性能較好的復合材料體系,以此為基礎進行了性能測試;運用有限元方法,建立了蒙皮、筋條和外貼塊的分析模型,綜合考慮結構特點和設計要求,對影響結構強度與穩定性的主要因素(包括筋截面尺寸、筋間距、蒙皮厚度、蒙皮鋪層角度)分別進行了結構設計參數的優選,最終完成了復合材料異形耐外壓殼體1 : 1樣件和縮比實驗件結構及鋪層優化設計;完成了聚氨酯泡沫胎成型內置加筋殼體的成型工藝技術研究;對縮比件進行外壓性能測試,並給出了應、應變測試結果。
  13. ( 2 ) respectively by elastic theory analyses and methods of structural mechanics, transverse static analytical equations for flexible pipeline rigid pipeline are established whose outcomes are applied in numerical example to compare those with that by finite element method. ( 3 ) considering interaction of filled soil, pipeline and foundation, with an eye to non - linear soil model, in view of the initial geo - stress field and the effects of interface between soil and pipeline, and by finite element method the calculational model and method are built for transverse stress in pipeline. then, by the great finite element analytical software ansys, those outcomes are applied in calculation example of positive buried pipe to educe the distribution of circumjacent soil pressure and stresses on cross section and to compare it with that calculated by conventional ways before those outcomes are applied in engineering case of positive buried pipe with flexible filled materials to confirm distribution of soil pressures after the measure for reduction and to compare it with measurements. as a result, the model set up in this paper is proved to be applicable after all above - mentioned analyses

    本文基於彈性理論和有限元原理與方法,分析了上埋式地下管道橫向計算方法和性狀並探討了上埋式地下管道的減荷等問題: ( 1 )在分析現有幾種典型的管道垂直土壓計算方法的基礎上,探討了影響垂直土壓的主要因素以及改進的方法; ( 2 )分別通過彈性理論分析法和結構的方法,建立了地下管道柔性圓環和剛性管涵的橫向靜計算方程,並應用在算例中,把所得結果和有限元方法所得結果進行對比分析; ( 3 )考慮填土、管道和基礎的共同作用、土體的非性特性、初始應場以及土體和管道的接觸面因素的影響,利用有限元的思,建立了地下管道橫向有限元計算模型和方法,並且採用大型有限元分析軟體ansys ,針對上埋式管道工程算例,得出了管周土壓以及管道橫截面應的分佈狀況和規律,並和理論值進行對比;針對施加柔性填料的上埋式管道工程實例,得出了減荷后的土壓分佈,並和實測值進行了對比。
  14. This article establishes a suitable mechanical model for urban mass transit continuous welded rails longitudinal force research, which is widely based on the real situation and draws up the nonlinear finite element method program, and is verified by practical examples

    摘要?了對城市軌道交通無縫縱向進行研究,根據實際結構建立了模型,編制了非性有限元程序,並通過實例進行驗證。
  15. The reason why peop1e give very close attention and research interesting is that both scientific approach and rationa1 logic had shoen it ' s limitation to explain human behavior, operationa1 state, and development and reyolution vitelity, ithin organization. so the scholars attempt to find out another approach to explain the inner cultural dynamic reason of organization ' s daily operational procedure and revolution vitality

    人們之所以對其表示出極大的關注與濃厚的研究興趣,個中緣由在於:傳統的科主義研究與理性的邏輯推演,在涉及到對組織內部人的行為、組織的基本運作狀態、以及組織發展與變革活等方面的解釋上,越來越顯露其解釋的蒼白與理論邏輯「精緻」的荒誕。
  16. This project makes some researches with emphasis on the mv / lv distribution power supply situation under the present load condition. some results such as the calculation of line load rate, theoretical line consumption rate and electric voltage decrease are acquired by the mathematical analysis, and thus the power supply capability is evaluated comprehensively. the same has been done to the lv power network

    課題在系統搜集分析蘇州供電企業的背景資料,即企業概況、電需求、輸電網、高壓配電網狀況基礎上,重點研究了當前負荷下的中低壓配電網供電情況,並通過數分析得出的負載率的計算、理論損率以及電壓降等各項運行指標,綜合評估得出其供電能
  17. Based on this dynamic model, lots of simulations are carried out in this paper. track conditions are conducted in the following ways : wheel damage, sinusoidal irregularities curved track and analytic irregularities, aimed at every track condition, lots of analysis are preformed to find out the main wheel - rail interaction and response of the wagon components. orso some parameters are discussed in the paper

    在第六章,本文以德國高幹擾隨機不平順激勵作為直,對空車動性能進行了模擬計算,通過分析發現:對于空車工況,車輛脫軌主要是由於過大的輪重減載造成的。
  18. Linear elastic dynamic fracture mechanics are adopted to analyze the working characters of the semi - rigid asphalt pavement with the reflective cracking. it is successful to simulate the crack expansion process based on elastic damage theory, at the same time the fatigue life is forecast. the research findings are valuable for the pavement engineering practice on the soft clay ground

    本文分析表變溫對軟土地基上半剛性面結構體的作用時,考慮了表降溫導致瀝青混凝土回彈模量的非均勻性,採用彈性動斷裂分析軟土地基上含反射裂縫半剛性面結構體的工作性狀。
  19. Chaos in nonlinear circuits and systems is one of the advanced topics in nonlinear scientific field. among many topics about chaos study, the generation, prediction and the application of chaos are main three hotspots

    性動與系統中的混沌是非性科研究的前沿課題之一,其中混沌的產生機理、解析預測以及混沌的應用是當前混沌研究的三大熱點。
  20. Artificial neural network is a kind of nonlinear dynamic network built by imitating human brain nerve cell structure based on modern nerve physiology and psychology

    人工神經網( artificialneuralnetwork簡稱artificalneuralnetwork )是在現代神經生理和心理的研究基礎上,模仿人的大腦神經元結構特性而建立的一種非性動系統。
分享友人