簡切應變 的英文怎麼說
中文拼音 [jiǎnqiēyīngbiàn]
簡切應變
英文
simple shear-strain-
Simple shearing strain
簡切應變The existed material fatigue performance test curves are dealt with and analyzed, and the non - dimensional stress - strain curve, tangent modulus factor curve and fatigue life curve are drawn based on the experiment data, and these three non - dimensional parameter curves are used to find the inherent rules that the test curves can be replaced each other to some extent. it can be concluded that if the common character and system error of these materials are found, the test curve of a certain material can be used for reference by another material. this is a simple approach about fatigue life estimate and is engineering practical
對已有的材料力學疲勞性能試驗曲線進行分析整理，利用試驗數據繪制了相對應力應變曲線、切線模量因子曲線和疲勞壽命曲線，利用這三種無量綱參數曲線發現了其中存在的規律性，即在某種程度上實驗曲線可以互相取代，並用試驗數據對此進行了討論，並由此推斷，如果找出材料彼此的共性或彼此之間的系統誤差就可以將一種材料的試驗曲線供其它材料參考使用，這是一種估算材料的疲勞壽命的簡便方法，對工程而言具有實用性。The exact expression is n = 4 ", in which n is the stage of koch curve. since we only consider one generator in computation process, so we simplify it as n = 4 ). the critical point of this kind of koch curve is zero, also called zero temperature phase transition, and this is the character of all the limited branching systems
無分支科赫曲線是一種典型的分形，前人的研究都局限於n = 4 （ n是用線元，面元，或體元覆蓋分形系統所需要的覆蓋次數，確切的應該寫成n = 4 ~ n ，其中n為科赫曲線的級，但我們在重整化群計算時只考慮一個生成元，所以簡化為n = 4 ）情況，這種科赫曲線的相變點為零，是一種零溫相變，這也是有限分岔系統的相變特徵。Firstly, the thesis briefly reviews the history of voltage and reactive power control technology, focusing on the defects of the equipment in use. then, with the theoretical analysis and the discussion on voltage and the characteristic of power system as well as the basic principle of voltage and reactive power control, the thesis makes a research on the character of voltage and reactive power control and interprets the controlling regularity of substation. in addition, with the consideration of the changes of transformer tips and the combined influence of capacity groups and reactive power and voltage, the thesis makes adjustment suggestion to the different operating - zones of voltage and reactive power
本文從降低網損和提高變電站自動化水平著眼，對變電站電壓無功控制應用方面的問題進行了研究，本文首先簡要回顧電壓無功控制的發展概況，著重指出了現有電壓無功控制裝置的缺陷；通過理論分析，在討論電力系統電壓、無功調節特點以及電壓無功總體控制原則的基礎上討論了變電站電壓、無功控制特性以及控制原理，給出了變電站電壓無功的控制規律；考慮了變壓器分接頭的變化及電容器組的投切對無功和電壓的綜合影響，針對電壓、無功的各種運行控制區域給出了相應調節策略。While politicians discuss complicated global climate - change deals, economists tinker with intricate emissions - trading schemes and engineers design a new generation of nuclear - power plants, many greens advocate simpler steps : buying more efficient cars, replacing wasteful incandescent bulbs with efficient fluorescent ones and installing proper insulation
殊不知，政治家們討論著如何應對復雜的全球氣候變化，經濟學家們終日修改著難理解的污氣排放優化措施，工程師們也在設計著新一代的核能工廠；正當這一切進行之時，許多環保主義者提出了一些更簡單的措施，即購買更多的高性能轎車，使用性能好的熒光燈代替浪費能源的白熾燈，並配置合適的絕緣材料。All the contents are developed around a set of scaling laws taking the form of exponentials which relate to almost all the issues of complexity including fractals, chaos, strange attractors, localization, and symmetry breaking, etc. the main work can be summarized as follows : starting from the law of allmetric growth three fractal dimensions in a broad sense are derived, and according to these dimensions, geographical space is divided into three levels, i. e., real space, phase space, and order space, each of which corresponds to a kind of dimension. based on the idea of spatial disaggregation and using the rmi ( relationship - mapping - reversion ) principle, the urban system is formulated as three scaling laws of the three spaces, including number law, size law, and area law, which can be transformed into a set of power laws such as allometric law and zipf ’ s law associated with fractal structure
從異速生長律的縱向、橫向和切向三個角度將地理空間劃分為實空間、相空間和序空間，分別對應于空間系列、時間序列和等級序列三個層面，每個層面的測度各有自己的空間維度。基於「空間循環細分-等級體系-網路結構」的數理等價關系，利用rmi （關系-映射-反演）原則，成功地實現了城市系統宏觀模型的理論抽象，將空間復雜性問題表徵為簡單的指數式標度定律（包括數量律、規模律和尺度律） ，這一組標度律可以與一組冪次定律（包括具有分形性質的規模-數目律、異速生長定律和三參數zipf定律）互為變換。Based on the continuous damage theory, considering the shear effect, the high - order shearing, flexural and in - plane deformation coupling model is built ; through the nonlinear fem analysis of rc beams strengthened with frp, the damage theory and damage course is researched ; compared with experiment results, it shows that the model is effective ; the fem analysis software is prepared to provide simple and effective method for the engineering application ; using the soft the frp strengthened beams before and after damage is modeled so as to provide the theory base for engineering application
摘要基於連續損傷理論，考慮膠層的剪切效應，建立frp加固鋼筋混凝土梁的高階剪切彎曲及面內變形耦合模型，編制了有限元分析的軟體，進行非線性有限元分析；通過與已有的試驗結果進行對比，證明該模型的簡單，有效性；利用該軟體對未加固混凝土梁，初始進行加固的混凝土梁以及最大拉應變達到極限值時進行加固的混凝土梁等幾種情況進行數值模擬。The optimization algorithms in conventional calibration field have the shortcoming that the computing quantity is huge. in order to improve it, a single adaptive neuron algorithm was developed in conventional camera calibration in this dissertation, and a calibration algorithm considering radial and tangent distortion based on single adaptive neuron is proposed
傳統的標定演算法中各種優化演算法存在著計算量大的不足，本文將單個自適應神經元應用到攝像機傳統標定中，提出了一種考慮徑向畸變和切向畸變的攝像機標定演算法，它與其他優化演算法相比具有簡單實用、計算量小的優點。However, all kinds of competitions in the end are the competitions of persons with ability, which means people who have mastered the advanced technology will be the leaders of the world. our government has brought forward the great plan that higher education system must be changed from elite education to mass education with the establishment of socialist market economy and the deepening of educational system reform. to achieve this aim, the number of university students should be increased largely and urgently. the system of higher vocational education may be the most suitable system to meet with the requirements of society. under this system, on one hand the students have mastered all the necessary know - how and on the other hand they could do the practical works well
21世紀是國際競爭日趨激烈的時代，科技的進步提供了國際間全新的競爭平臺，而掌握了高技術的人才將是平臺上的領舞者，所以一切的競爭歸根到底是人才的競爭。隨著我國政府提出高等教育從精英教育向大眾化教育轉變的宏偉目標，迫切需要大幅度提升高等教育的入學比率，加大培養規模。但傳統教育模式已不能適應社會發展的需要，而其生產的「學科型產品」又供過于求，因此一方面要增加人才產品的產量，另一方面又要有準確的目標定位，即應該在高等教育層次中培養數以億計的應用型、技能型的高等職業技術教育（以下簡稱高等職業教育）人才，滿足社會對高層次人力資源的渴求。Do remember that students can not become regulated immediately if teachers leave them alone. to be self - regulated is a gradual process
但切忌通過簡單放鬆對學生的管理來期望他們立刻變得自我規范，而應是循序漸進的。In view of at present on the solid bridge the high - damping rubber dampers use the press capability of high damping rubber, the material utilization ratio is low, in this paper, the high damping rubber shearing damper has been put forward. by way of shearing capability trial of the high damping rubber damper test objects, the effects of laws concerning frequencies, temperatures and layer ' s thickness on the behavior of the damper are obtained ; and one kind of simple and convenient design method of high damping rubber shearing damper has put forward. finally high - damping rubber shearing damper is in simple comparison with viscous shearing damper
鑒于目前實橋上高阻尼橡膠圈是利用的高阻尼橡膠的擠壓性能，材料利用率低，本文提出了剪切型的高阻尼橡膠減振器，通過高阻尼橡膠減振器試件剪切性能試驗，獲得了頻率、應變幅值，厚度等各種參數對高阻尼橡膠減振器試件的影響規律，並提出了一種簡便的高阻尼橡膠剪切型拉索減振器的設計方法，最後並與粘性剪切型阻尼器做了簡單比較。Author thinks that the direction of the maximum plastic distortion along a constant radius around the crack tip may be considered as the direction of shear - mode fracture ( named pmax - criterion ) and the load when located shear band prongs the ligament in the front of crack tip is regarded as the limited load of shear - mode fracture. ( 3 ) the fad ( fracture assessment diagram ) of titled crack is proposed based on achievements of mesomechanics about i - ii complex ductile fracture of metal, and the titled crack is classified two kinds : void - mode fracture is assessed by fracture assessment curve, and shear - mode fracture by limited load. ( 4 ) using a fe program based on plantle - ressue theory to calculate some mesomechanical parameters, a flange joint structure of a high pressure vessel ( design pressure 31. 4mpa and the thickness of the hemispherical head is half of that of shell. ) is analyzed to determine whether the structure under operation pressure is safe or not, forecast the mode of potential invalidation and argue for the rationality of design of the structure
試件的整體斷裂為剪切型，但在試件芯部裂尖鈍化區中部出現了韌窩型啟裂並有一定的擴展，說明局部較高的應力三軸度也會使韌窩型機制得以發展，但是不改變試件整體的剪切型斷裂模式；對韌性斷裂的剪切模式的細觀機理做了一定的探討，並且提出了含裂紋構件剪切型斷裂的宏觀判據：認為裂紋前方的集中剪切帶中與裂紋尖端等半徑處最大有效塑性應變出現的方向可以作為裂紋剪切斷裂的方向（可簡稱為_ （ pmax ）準則） ，集中剪切滑移帶貫穿裂紋前方承載韌帶時的載荷可以作為極限載荷；本文運用金屬韌性斷裂細觀力學在一復合型韌性斷裂方面的研究成果，採用失效評定圖的形式，提出了傾斜裂紋的安全性評定方法的基本框架。Finally, the wave equation of the electromagnetic field of this kind damper is derived from the maxwell ' s equation. the magnetic flux density at the boundary is assumed to be harmonic, so the analytical result of the wave equation is solved. when the rotor rotates, eddy currents flowing inside the conducting material field are caused
最後，應用ahrens的電磁軸承簡化模型，從maxwell方程出發推導了應用於本文所述的被動式電磁阻尼器的波動方程，並用傅立葉級數把矩形磁場展開的諧變磁場作為磁場的邊界條件，通過求解波動方程得到磁場的解析解，從而計算了阻尼器對轉子的電磁力和由渦流引起的切向力產生的阻尼器附加功耗。The pipe cutters are very simple to operate : simply clamp a pipe of the desired length in the self - centering vise, then rotate the machine head containing the saw blade once around the pipe. for cutting and beveling stainless steel pipes, special saw blades and bevel cutters are available. the saw blades are small, inexpensive and available in different versions for different materials and wall thicknesses
該便攜式機器操作簡便，節省空間。將要切割的管子固定在「自對中式」夾緊裝置上，管子不會產生變形，管子直徑及材質相適應的切割速度可快速調節。手持切割頭繞管子一周，電動刀片便將管子切斷，無毛刺，不變形。Steel frame with welding joint easily occur brittle collapse because of having a low ductility at joints then ， a semi - rigid connected steel frame has large the energy absorption capacity which can resist dynamic loads and the using steel qualities of bracing system and joints are small so adopting a semi - rigid jointed steel frame is economical and stable but for semi - rigid connections are complex and variable ， in conventional analysis and design of steel structures ， it is usually assumed that the connections between columns and beams are either rigid or pinned the analysis of steel frames adopting the assumption can simplify the procedure of analysis and design ， but cannot precisely reflect structural practical circumstance and the errors of calculating results are large ， even ， get incorrect conclusions semi - rigid connection was referred to in chinese code for design of steel structures ( 2001 ， 10 ) ， however ， it isn ’ t specified how to apply semi - rigid joints in design in fact it cannot be carry out the purpose of the paper give a calculating method that accords practical engineering and easily put into effect worthwhile it is going to promote the development of semi - rigid jointed steel frame in design and heighten structural stability in the paper ， at first some commonly employed methods for the modeling of connection behavior are introduced richard abbott function modeling of connection is adopted for extended end plate bolted connection by the 34 test data comparing to regression analysis indicate richard - abbott function modeling of connection represents an excellent fit to test data then after a semi - rigid joint behavior can be modeled as a finite stiffness rotation spring ， base on rotation and displacement equation derive the element stiffness matrixes with semi - rigid connections where the effects ofj ointed flexibility geometric non - linearity and shear forces in the connection deformations have been considered in and fixed - end forces are modified finally, a program for calculating semi - rigid with incremental - iterative method has been
本文的目的就是為半剛性連接鋼框架的設計提供一種既符合工程實際又簡便易行的計算方法，供規范使用過程的補充、延伸或參考；同時，也將促進半剛性連接鋼框架設計技術的發展，為提高結構安全性能、節省工程成本發揮應有的作用。本文首先介紹了常見的幾種應用較為廣泛的樑柱連接彎矩轉角關系模型，在分析比較的基礎上，選用richard ? abbott函數模型作為外伸端板連接彎矩轉角關系模型，通過對34個外伸端板連接的實驗數據與回歸分析得到的參數比較可知，經回歸分析得到的此模型參數與實驗數據符合較好。然後用彈簧表徵連接點的轉動剛度，根據梁的轉角位移方程推導出半剛性連接的剛度矩陣，在單元剛度矩陣中考慮了節點柔性、幾何非線性和剪切變形的影響，並對固端力進行了修正，最後用增量迭代法編制有限元程序進行計算和分析。The way and content of this thesis are as followed : ( 1 ) based on briefly describing the company present condition and problems of management with analysis of such question, this thesis pointes out that putting crm into practice is an effective measure to resolve manage bottleneck, then research its feasibility and definite its line degree in the practice ; ( 2 ) analyze the importance of ex - period preparing work to put crm into practice ; ( 3 ) adjust the company ' s business enterprise culture to replace and recreate the reforming atmosphere to guarantee such work in a low cost with smoothly progress ; ( 4 ) analyze the buildup construction of the company and the business process, aim at the unreasonable construction to proceeds with business process to give a new life, especially at changing the company organization construction with the business process re - engineering ( bpr ) ; ( 5 ) apply the theory of customer letting the worth and the method of customer ' s pyramid divide into section, collect the customer ' s data with the t echnique of american broadcast company to customer data analysis with categorize, provide knowledge to be used by the leaders and help them make the correct decision ; ( 6 ) according to the knowledge of data refined, application wooden pail theories with leaking a theories, aiming at the weak link of company management, make out the concrete strategy to increase the customer ' s satisfaction and loyalty
本文研究的思路和內容是： （ 1 ）簡述公司經營管理現狀，以公司經營和管理現狀為研究基礎，解析出實施客戶關系管理是解決管理瓶頸的突破口和切入點，然後對公司實施客戶關系管理的可行性加以研究和論證，明確了實施可行度； （ 2 ）解析實施客戶關系管理前期準備工作的重要性，明確高層領導參與和支持的必要性，建立實施項目管理組，並作好實施規劃工作； （ 3 ）調整公司的企業文化，為組織變革創造改革氛圍，以保證實施的低成本和順利進行； （ 4 ）分析公司的組織結構和業務流程，針對不合理結構和業務流程進行再造，重點是運用業務流程再造理論改變公司組織結構和業務流程； （ 5 ）運用客戶讓渡價值理論原理收集客戶資料，運用客戶金字塔和abc分類法對客戶資料分析和歸類，運用客戶管理信息系統，利用數據庫技術和數據挖掘技術對客戶資料進行科學分析和歸納，提煉成供決策領導層使用並能做出正確決策的知識； （ 6 ）根據所提煉出的知識，運用木桶理論和漏桶理論，針對公司管理薄弱環節分析公司應該採取的客戶維系策略，制定適合公司發展的以提高客戶滿意度和忠誠度為目的的具體策略。The research results on laser hardening of the fibre - cutting roller showed that using laser surface hardening process instead of thermal spraying to strengthen the surface of fibre - cutting roller of 4crl 3 stainless steel is practicable. not only this technique overcame the disadvantage of larger heat distortion by using thermal spraying but also possessed the advantages that the operation is simply and that expense is easy
過絲輥激光表面淬火的研究表明，選取恰當的工藝參數對過絲輥表面採用激光淬火替代傳統的熱噴塗是切實可行的，該方法不但能夠克服熱噴塗方法中工件變形大的不足，而且工藝簡便、成本低廉，實用性強，具有明顯的經濟效益和推廣應用價值。In the uk, recognizing that content and networks, in economic terms, are becoming more and more intertwined, the government has recently established a simpler and more flexible system where the single regulator office of communications ofcom will be able to act independently in response to fast - changing circumstances
在英國，政府認識到資訊影音內容和網路在經濟層面的關系正日趨密切，因此最近訂立了一個更簡單和靈活的制度，讓單一的規管機構，即office of communications ofcom ，可以獨立地因應迅速轉變的情況作出回應。Abstract : a previously proposed approximate quasi - static theoretical method is employed herein to examine the deformation and perforation of a simply - supported circular plate struck by a flat - faced projectile at normal incidence. based on the principle of virtual work, static load - displacement relationships are first obtained and then used to predict the energy - absorbing capacity of the plate subjected to relatively low speed impact. it is shown that good agreement is obtained between the theoretical predictions and the available experimental data, provided that adiabatic shear plugging failure does not occur, but the influence of strain rate sensitivity is taken into account
文摘:採用準靜態近似理論方法分析簡支圓板在平頭彈丸正撞下的變形和穿透.首先基於虛功原理得到了靜態荷載位移關系，並將其用於預測低速沖擊下圓板的能量吸收能力.當考慮了材料的應變率敏感性，並且不發生絕熱剪切沖塞破壞的前提下，理論預測和實驗結果吻合良好The last part concludes that mr dampers is one of the very attractive control elements in semi - active control. as one of mixed model mr dampers, armature piston ' s mr dampers have principle designs good function and better practical value, it ' s worth to popularize use. about the armature piston ' s mr damper ' s designs, the space of work, the diameter of wok and the length of magnetic pole have obvious affects to the force of mr dampers, mr fluid materials should be paid attention, input electric current affects mr dampers greatly the high current increases the damping force, the effect of reduce vibration increase obviously,
最後，論文給出了結倫：磁流變液阻尼器是半主動控制裝置中非常吸引人的控制元件之一，混合工作模式的磁流變阻尼器結構簡單，阻尼效果比流動模式和剪切模式均要好，是一種比較理想的磁流變阻尼器；電樞活塞式磁流變阻尼器作為混合模式磁流變阻尼器的一種結構形式，其結構設計合理，性能良好，具有較強的實用價值，值得在工程中推廣應用；在電樞活塞式磁流變阻尼器的設計中，應特別注意工作間隙h 、工作直徑d 、磁極長度卜都對阻尼器的阻尼力有明顯的影響，並注意選用合適的磁流變液材料；輸入電流對磁流變阻尼器的阻尼效果影響很大，輸入大電流時阻尼力明顯增大，減振效果明顯提高。分享友人