約化應力 的英文怎麼說

中文拼音 [yāohuàyīnglì]
約化應力 英文
reduced stress
  • 約 : 約動詞[口語] （用秤稱） weigh
  • 應 : 應動詞1 （回答） answer; respond to; echo 2 （滿足要求） comply with; grant 3 （順應; 適應） suit...
  • 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...
  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. 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、實現物流科學化。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、電力、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、交通車線路安排、生產系統中的計劃與控制等多種組合優化問題。
  3. The stress state in the stainless steel pipe - titanium alloy pipe - nitinb shape memory alloy connector system is analyzed by using the theory of solid mechanics and the recovery rules of nitinb shape memory alloy with constrains on the basis of analysis of the structure of the connector system and the all steps in the preparation and the service. a mathematical model for the strength was proposed. the temperature dependence of connecting force and the maximal stress intensity in the pipe connector in the process of preparation and service was studied by programming and computing. the computing results show that the difference of heat expansile coefficient between the coupling material and the pipe material leads to the strength of connector system at room temperature less than the strength at high temperature

    通過分析管接頭結構以及制備、使用的各個步驟，運用固體力學的基本理論，結合nitinb形狀記憶合金在約束下的回復規律，對不銹鋼- -鈦合金管- -四川大學碩士論文nitinb形狀記憶合金管接頭系統內的應力狀態進行了理論分析，建立了強度的數學模型，通過編程計算，研究了不銹鋼一鈦合金管一nitinb形狀記憶合金管接頭系統裝配及使用過程中的抱緊力以及最大應力強度隨溫度變化的規律。
  4. Mapping transformation method for topology optimization of contin - uum structures under multiple loading cases and stress constraints

    多工況應力約束下連續體結構拓撲優化映射變換解法
  5. Based on nonlinear finite element theory, stress and deformation behaviors are analyzed after ground stabilization and foundation pit reinforcement with deep mixing method. by comparison of the conditions of treatment and non - treatment of two examples respectively, the results indicate that the match ratio scheme used for deep mixing method is more ideal when soft clay is stabilized in this area of fuzhou in the thesis. this scheme not only can fully utilize industrial waste material, but also can economize construction cost

    對于加固土的工程特性，本文以非線性有限元理論為基礎，模擬分析水泥攪拌樁加固地基和基坑支護加固的應力和變形情況；通過兩個例子分別在有處理和無處理情況下的對比，利用固化劑最佳摻入比來設計地基處理方案，並運用非線性有限元方法計算出土體內大小主應力的分佈情況以及變形情況，結果表明本文所得出的配合比方案用於深層攪拌樁法來對福州地區軟粘土進行地基加固時還是比較理想的，這樣不僅充分利用工業廢料，還可節約工程造價。
  6. Relative key concept and technique of this method was described in detail in this paper, such as the decomposition of balance matrix, the modes of self - stress, the modes of inextensional mechanisms, the analysis model of optimization under linear constrained condition, the integration of constrained matrix

    文中對桁架理論的奇異值分解法、自應力模態、機構位移模態、有約束線性優化數學模型、約束矩陣集成等關鍵概念和技術進行了詳細的推導說明。
  7. Two - level algorithm is developed to deal with the two objective function optimal designs that are the radial constraint force and the axial force of the upper structure. corresponding program has been developed to optimize the prestress of the lamella ' s suspen - dome and kiewitt ' s suspen - dome. analysis of construction process is the key problem to suspen - dome

    本文採用二級優化的步驟對徑向約束反力和上部桿件軸力兩個優化目標同時進行了預應力優化，並編制了相應的程序對聯方型和kiewitt型弦支穹項結構進行了預應力優化設計。
  8. With the constant improvement of our socialism market economics system, theservice of book distribution is gradually open to foreign investment, so ourcountry ' s book distribution industry will be facing more and more heatedcompetition. at present, although xiiiliua bookstore is the main stream of bookdistribution, neither its management system nor its intemal running institlltion canfit the new situation. it is urgent for it to catch up with steps of the times

    而目前作為圖書發行主渠道的新華書店，無論是經營管理體制，還是內部運行機制，都不大適應新的形勢，迫切要求跟上時代的步伐，通過體制、機制和制度創新，調整結構，實行集約化和連鎖經營，建立圖書發行管理新模式，增強活力和實力，提高競爭力。
  9. This thesis set forth the method and process of designing to kiln tyre using robust method. when constructing the math model, it was thought of that there were structure parameters, such as the tyre " media and width, and a series of uncontrolled factors ( contact stress, bend stress stiffness and temperature stress, and the aim is to optimize the weight of the tyre )

    在構建數學模型中，考慮了輪帶內徑、輪帶寬度等結構參數以及輪帶的允用接觸應力、允用彎曲應力、輪帶的彈性模量、輪帶內外表面的溫差等不可控因素，以輪帶的接觸應力、彎曲應力、剛度溫度應力為約束條件，以輪帶的重量最輕為優化目標，通過改變輪帶的寬度以及輪帶的外徑進行參數優化設計。
  10. The countermeasures are as follows, to consummate the system of law in order to strengthen the system of law in order that the exam and employing can be fully under the guidance of the law, to intensify the flack of the system and publicity of information, to set entrance conditions scientifically so as to realize the equality of employing chance of all persons, to reform the procedure of employing in order to get the rationalization of exam and employing process, to take multi - kind of assessment technique in order to select the best one, to strengthen the management of the exam and employing, realizing all the process are fully supervised by the public

    然後運行系統分析法對這些問題進行了系統評價，得出了相應的完善我國考錄制度的對策。應當完善法律體系，實現考錄工作法制化;應當加大宣傳力度，實現考錄信息公開化;應當科學設置條件，實現考錄機會平等化;應當實行程序改革，實現考錄過程合理化;應當加強實踐探索，實現考試內容科學化;應當貫徹擇優原則，實現測評技術多樣化;應當加強隊伍建設，實現考官組成多元化;應當加大管理力度，實現約束監督正常化。
  11. Under the same consolidation ratio and the vibration times, effect of the dynamic stress on the dynamic residual strain shows linear relationship, and effect of the vibration times on the dynamic residual strain increasing

    在同一固結比和同振次條件下，動應力對動殘余應變的影響約呈線性關系，且振次對動殘余應變的影響呈逐漸增大的變化關系。
  12. Temperatures(around 950℃)will prevent stress-induced defect formation in a recessed structure(recess approximately land oxide growth approximately 2. 2μm).

    溫度在950上下就會避免在有凹槽的結構中形成應力誘發缺陷（凹槽約1m，氧化物層生長約22m）。
  13. Simultaneity, through contrast analysis validate that antiseimic capacity of expansion web is better than that of steel web. therefore, based on the experiences summed up by precedence, the formulation for calculating the crack load and limit load of brick masonry house reinforced by expansion web is advanced, which provides project reference. based on the analysis and studies of masonry shearing strength, test of prestressed single brick masonry wall, and test of prestressed brick masonry house models, and ect, the article has carried through several aspect research as below : 1. a series of experiment on material capability of expansion web, including intensity of single thread and expansion web, ect ; 2. research on influence of loading and destroy of masonry brick building reinforced by expansion web under lowcyclic loading ; 3. study of impact of expansion web on ductility, energy dissipation, intensity, ect under the same situation as above ; 4. put forward computation formulation of masonry brick building reinforced by expansion web

    本著以上的研究目的，本文在分析和借鑒前人砌體抗剪強度理論、預應力單片墻試驗研究、預應力模型抗震性能試驗研究等基礎上，進行了以下幾方面的研究工作: 1 .作為一種新型結構材料擴張網，進行了一系列的材性試驗（單絲強度、網片強度和在砂漿中被約束條件下的網片強度及其相應的彈性模量） ； 2 .研究了水平荷載往復作用（低周交變）下，普通鋼絲網和擴張網砂漿對砌體結構抗裂及承載能力和破壞形態的影響，並將這兩種材料的加固效果進行了對比； 3 .上述狀態下，兩種網片水泥砂漿對砌體結構變形、延性、耗能、剛度退化等抗震性能的影響及其影響效果的比較； 4 .提出擴張網水泥砂漿加固砌體結構的抗剪強度計算建議公式。
  14. The main work of this paper was as fellows : ( 1 ) generalized the development of pre - stressed steel structure in our nation and abroad, and pointed out the main problem in practice ; ( 2 ) presented the mechanism of pre - stressed steel structure and revealed its applicable range ; ( 3 ) established the optimization design model for pre - stressed steel structure, which accounts for constraints on stresses and displacements of structure ; ( 4 ) brought forward the optimization design method, which combined linear programming and the principle of full restriction, through which we can obtain the magnitude of each time pre - stress and the optimized sections of each members of structure ; ( 5 ) analyzed the best times of pre - stress and pointed out that 2 ~ 3 times is preferable ; ( 6 ) conducted optimization design on large - space steel roof, horizontal parallel steel truss with local cables, horizontal parallel steel truss with global cable, and ultra - static steel truss, the result of which indicated that the multiple pre - stress structure is very economic ; ( 7 ) compared different schemes of cable placement for horizontal parallel steel truss, and the results showed that the local cable only unloaded the second girders, but had no response on the first girders and stomach poles, while global cable could unload the second girders and the stomach poles outside of turning point of cable, thus proving that global cable is more economic than local - cable

    本文的主要工作是：對國內外預應力鋼結構的發展歷史及現狀作了綜述和總結，指出當前預應力鋼結構工程實踐中存在的主要問題；闡述了預應力鋼結構的受力機理，並指出預應力鋼結構的適用范圍和特點；在考慮結構應力和變位約束的條件下，建立預應力鋼結構優化設計模型；提出多次預應力鋼結構優化設計方法和步驟，採用線性規劃和滿約束準則相結合的優化方法，可優化設計出施加的每一級預應力的大小，並得到結構各部分的優化截面；對多次預應力最佳的施加次數作了分析，並建議以2 3次為宜；為驗證文中理論和方法，分別對大跨多次預應力鋼屋架、局部布索的水平平行弦鋼桁架、整體布索的水平平行弦鋼桁架和局部布索的超靜定鋼桁架等算例進行了優化設計，經濟效益明顯；對水平平行弦鋼桁架的幾種施加預應力的方案進行比較，對于局部布索，預應力只對下弦起到卸載作用，對上弦和腹桿基本不起作用；而整體布索預應力除對下弦卸載外，對索折點以外部分腹桿也起到卸載作用，經濟效益好於局部布索。
  15. Firstly, this paper describes the optimization problem of thermal stress of fabrication process and steady work process for the hollow cylinder and the infinite plate. then, thermal stress distribution is calculated making use of theoretical formulation and the results can be validated by finite element method. in optimization, the restriction condition is heat insulation performance and the objective function is danger coefficient

    本文首先對平板結構和圓筒結構梯度塗層在制備過程和穩定工作狀態下的熱應力優化設計問題進行描述，然後分別用解析法求解兩種結構的梯度塗層在制備過程和穩定工作狀態下的熱應力分佈，並採用有限元方法驗證了熱應力分佈的結果，在優化設計時，以危險系數為目標函數，以塗層的隔熱性能為約束條件進行設計。
  16. The sic in the composite reduces the restriction around zro2 particles, leading to the decrease of t - zro2 retention at room temperature and toughness

    一方面是由於sic顆粒的加入使得基體對氧化鋯顆粒的約束力下降，四方相減少導致的應力誘導相變作用的減弱，使得韌性下降。
  17. Product function : soft soil subgrade strengthening, reinforced embankment & slope, strengthening separation, bounding deformation of foundation, prevent road from reflection crack, increasing the intensity of subgrade. it can strengthen soft subgrade of kinds of roads and railways ; prevent road from reflection crack ; enhance the strength of subgrade ; reinforcedriverbank, embankment and slope ; homogenize the stress ; adjust settlement ; improve the stability and bearing capacity of the basement ; strengthen road and bridge tops

    產品功能：軟土路基加強，路堤邊坡加筋，加強隔離，約束地基變形，防止道路反射裂體，提高路基的強度.各種道路、鐵路等軟路基加強，增強路基的強度；河岸、路堤、邊坡起加筋，均化應力，調整沉降，提高基底穩定和承載力；道路橋臺面的加強。
  18. The emm takes the rigidity effect as the relaxation effect, which is main reason leads to largely underestimation of the restraining stress

    等效模量法代這種剛化效應為有利的鬆弛效應，是造成它大大低估約束應力的主要原因。
  19. For instance, numerical simulations show that in discrete models made of interacting blocks carrying a continuous scalar stress variable, the average stress is about two thirds of the stress threshold for rupture

    例如，數字化模擬顯示，由相互作用的承載著連續梯度變化應力的地塊構成的離散模型中，平均應力大約為導致破裂應力極限的三分之二。
  20. According to different transverse difference in temperature and lengthways difference in temperature, the paper gave the method of computing temperature effect including : 1 ) the stress ot1 caused by nonlinear difference in temperature. 2 ) the constrain stress o t2 in undetermined structures by equivalent difference in temperature. 3 ) the constrain stress ot3 caused in undetermined structures by even difference in temperature tm

    針對具有不同性質的橫向溫差和縱向溫差，本文分別提出了預應力結構的溫度效應的計算方法，包括： 1 ）非線性溫差引起的自約束應力_ （ t1 ） ； 2 ）等效線性溫差引起的超靜定結構的約束太原理工大學碩士學位論文應力民3 ）均勻溫差tw引起超靜定結構中的約束應力4 4 ）均勻溫差tm引起梁的軸向變形受到柱的側向約束，與預應力筋的溫度變形之間的差異引起的預應力的變化。
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