節線交點線 的英文怎麼說
中文拼音 [jiéxiànjiāodiǎnxiàn]
節線交點線
英文
noda line-
Perfect pre - processing and post - processing function is one of the main factors to evaluate the vitality and market value of the finite element analysis system surveying today development of finite element analysis technology, most of which concentrate on establishing fine user interface, also has some limitation on application, and especially, the research on the visualization of arbitrary cut - plane is always in ascendants to realize the visual processing on cut - plane needs reprocessing the results of finite element analysis which have get, so the algorithm is two parts : seeking the physical value of cut - plane and drawing 2d contours, the former, based on the theory of stress on " arbitrary inclined plane " in physical mechanics, use the method of linear interpolation method to get the coordination and physical value of intersection between cut - plane and element arris ; the latter, based on the tables on elements, nodes, stress and strain, summarize a rapid algorithm of generating 2d contours based on the grid. this thesis synthesizes there two parts and get a visual processing program under fortran
縱觀有限元分析技術的發展,目前大多集中在建立良好的用戶界面上的研究仍存在許多應用上的局限性,其中對任意剖面上可視化的研究仍處于方興未艾的階段。要實現任意剖面上可視化處理,必須先將得到的有限元計算結果進行再處理,因此在演算法上分為兩部分:求任意剖面上物理量值的演算法及二維等值線演算法。前一部分以彈性力學中「任意斜截面的應力」為理論基礎,利用線性插值方法得到截面與單元棱邊的交點坐標及交點物理量值;在此基礎上;根據已得到的單元及節點序號表、應力應變物理量表,總結出一種基於有限元剖分網格的快速生成二維等值線的演算法。The system can display in 3d the robots with higher quality graphics on pc by adopting the solid model technology, and modify the model of robots according to the size given by users, so that the parametric modeling is realized under interactive mode. it realizes the graphics simulation of robots in kinematics in both articulatory space and cartesian space, and it also realizes the animated simulation of trajectory of linear interpolation in point - to - point mode. the movement of robots can be realized by graphics teaching or programming
該系統採用實體造型,能在微機上顯示較高質量的機器人的三維圖形,可以按照用戶給出的尺寸修改模型,在交互方式下,實現機器人的參數化造型;系統能夠在關節空間和笛卡爾空間中進行運動學的圖形模擬,能進行點到點直線插補軌跡的動畫顯示,機器人的動作可以示教再現,也可以由程序設定。Pgla, one biodegradable material, is used to braid the conduits, which integrates the merits of its two aggregate ingredients. it is easy to adjust degrading rate to match the regeneration period of the nerve by changing the proportion of the two ingredients. the conduits are fabricated enlacing 2. 2 millimeter stainless steel on the braiding machine with 16 spindles using 2700 tex yarns. four conduits with different structures are braided : common braided structure, braided structure using braided ply yarn, braided structure with inserted reinforcing yarn and adding bridge - yarn structure, the last two conduits are new attempts to look for good shape - keeping structure, being able to lead the nerve to regenerate effectively
本課題選用可生物降解材料聚乙丙交酯( pgla )為原料,它兼具兩種聚合成分的優點,可以通過調節兩者聚合的配比來調節它的降解周期,使與神經再生的周期相吻合。導管的製作是在16錠編織機上採用2700tex紗線進行帶芯編織,芯子為直徑2 . 2mm的不銹鋼絲。共製作四種結構神經導管,分別為普通結構神經導管、編織線結構神經導管、加筋結構神經導管和加芯結構神經導管。A new planning method - analysis of factors of point line and area and control points optimization, which is based on the analysis of urban spatial structure, is tried to put forward. analyzing the important functional clusters in the spatial layout of the urban, the intracity medium - long distance vehicle traffic major directional desire line how the urban to link up with the highway network and the whole structure of expressway system, the skeleton of the expressway network can be obtained. using the degree of importance method analytic hierarchy process ( ahp ), one or several intersections can be selected
該法對城市空間結構布局中的重要節點、主要的中長距離機動車交通流徑期望線的分佈、大城市與區域干線公路網的銜接以及快速路系統線網的整體結構等進行分層次的分析研究,得出快速路系統線網構架,運用重要度法、層次分析法找出大城市重要功能組團中重要程度最高的一個或數個關鍵交叉口作為快速路系統線網規劃的控制點,考慮快速路線路走向的控制點對線路走向進行優化。The operation principleresult of saving power , mate rial and reliability of ac and dc usual auto - converting saving power instrument are expounded, which the operation - coil of ac contactor given ac and dc voltage is usual, output is even dc, on and off and keeping voltage non - contactor auto - convert
論述了與交流接觸器操作線圈適配的交直流輸入(操作)電壓通用、恆直流輸出、吸合與保持電壓無觸點自動轉換節電器的工作原理;接觸器配用節電器后的節能節材效果及節電器的可靠性。He unbuttoned successively in reversed direction waistcoat, trousers, shirt and vest along the medial line of irregular incrispated black hair extending in triangular convergence from the pelvic basin over the circumference of the abdomen and umbilicular fossicle along the medial line of nodes to the intersection of the sixth pectoral vertebr aelig ;, thence produced both ways at right angles and terminating in circles described about two equidistant points, right and left, on the summits of the mammary prominences
然後又反過來自下而上地依次解開背心長褲襯衫和內衣紐扣。他那雙手的軌跡從參差不卷縮起皺的黑色體毛的中心線也就是自骨盆底到下腹部肚臍眼周圍那一簇簇體毛,又沿著節結的中心線進而延伸到第六胸脊椎的交叉點,從這里又向兩側叢生,構成直角形,在左右等距離的兩個點,即環繞乳頭頂端形成的三角形收斂圖形的中心線穿行。Those sensitive parameters making system have negative damping and occur self - excited shimmy are horizontal pulling lever rigidity, tire sideslip rigidity, steering gear rigidity and damping, kingpin equivalent damping, kingpin caster angle, tire drag. and wheel center distance, tire side rigidity, vehicle wheel unbalanced mass, tire vertical rigidity, and distance from kingpin center to the vertical central line plane of tire have great influence on shimmy, but they do n ' t make the system have negative damping. and horizontal pulling lever damping, suspension damping and rigidity have very small influence on shimmy
橫拉桿剛度、輪胎的側偏剛度、轉向機剛度、轉向機阻尼、繞主銷當量阻尼、主銷后傾角、輪胎拖距是影響擺振的敏感性參數,適當調節某一參數可引起系統的負阻尼,使系統產生自激擺振;輪距、輪胎側向剛度、車輪上的不平衡質量、輪胎垂向剛度及主銷延長線與地面交點至車輪平面的距離對擺振的影響也較大,但不會使系統出現負阻尼;而橫拉桿阻尼、懸架阻尼與懸架剛度對擺振的影響很小。The transportation network is described as a series of nodes and connecting links.
通常把交通網描繪成一系列的節點和節點之間的聯絡線。The design process of the proposed method is described as follows : the input of the method is the 3d sketch of a light steelwork, and the geometry and topology information of the members in a steelwork are established automatically. the steel types and function of the linked members are determined by means of interactive scheme according to the design requirements. and the arrangement of the steel members and their orientation are built according to the steel member ' s type, the function of the steel member, the knowledge of the steelwork and welding technology
在該方法中,首先通過交互手段輸入輕型鋼結構的三維線框簡圖、自動確定結構的幾何和拓樸信息,根據設計要求輸入各桿件的型鋼類型和在結構中的功能;然後,根據型鋼類型、桿件功能、鋼結構設計知識以及焊接知識自動確定桿件的搭配關系、建立桿件的方位布置確定規則和節點板設計的規則;最後,利用這些規則來決定節點稈件連接關系、連接位置,確定節點板的類型、布置方位和位置,實現三維鋼結構的結構自動設計。The design process of the proposed method is described as follows : the user inputs the 3d sketch of a welded machine, and the geometry and topology information of the members in the welded machine are established automatically. the design information is acquired by the means of man - computer interaction. according to the knowledge of design and welding, the rules of bar orientation, joint processing and welding sequence are established
用戶在autocad中輸入焊接機架的線框簡圖,提取出機架結構的幾何和拓撲信息,然後通過人機交互輸入設計信息,並根據機架的設計知識與焊接知識,建立機架的桿件方位布置規則、節點處理規則與焊接順序自動確定規則,最後在autocad中生成經過節點處理的機架三維實體,並提供一套合理的焊接順序。Fifth, a monitoring center for guarantee of apec communications was set up to undertake round - the - clock real - time supervision, which included supervision of traffic flowing in exchanges that were installed in all meeting venues and key hotels ; supervision on tv signals ; supervision on the running of 82001 equipment ; supervision on the traffic of the shanghai internet node ; supervision on the traffic of the apec mirror site on shanghai hotline ; supervision on the status of the cdpd equipment ; supervision on the status of the adsl equipment and supervision on the status of the atm equipment
第五,建立apec通信保障監控中心,實施2 4小時實時監控。包括對各場館、重要賓館交換設備的話務監測;電視信號監測; 82001設備運行情況監測;網際網路上海節點的流量監測;上海熱線apec鏡像網站的流量監測; cdpd設備運行情況監測; adsl設備運行情況監測; atm設備運行情況監測,形成了一個縱觀全局的指揮平臺。The second chapter simply introduces the development of alternate asynchronous inverter technology and retrospects some types of energy - saving systems for hydraulic elevators. then the working principles of the project are discussed and analyzed at four different working status, i. e. light load upwards, heavy load upwards, light load downwards and heavy load downwards. and the chapter focus on the introduction of structure design of pump station, calculation and type selection of pump / motor reversible units, research on oil leakage principles of accumulator circuit, design of accumulator - pump / motor pressure - energy transformer and integrated valve blocks, etc. the last but not the least, the electrical wiring of vector inverter control cabin and design of computer control and data acquisition system are introduced
論文第二章首先簡單介紹了交流異步電動機變頻調速技術的發展概況,在回顧電梯液壓控制系統節能技術的基礎上,介紹了本課題研製的「採用蓄能器的液壓電梯變頻節能控制系統研究」的基本原理,分析了動力系統在電梯轎廂輕載上下行、重載上下行等四種典型工況下的基本工作狀態和工作方式;詳細地介紹了本課題節能系統液壓動力泵站的結構設計和參數設計,重點研究了液壓動力泵站的結構設計、液壓泵馬達可逆性問題及其選型設計計算、蓄能器迴路泄漏油損失機理的研究及其補償裝置的設計、蓄能器-泵馬達壓力能量轉換裝置的設計、多功能集成控制閥組的設計等內容;最後簡單介紹了本課題矢量控制變頻控制櫃的外部附件電氣接線、計算機控制及數據採集系統的硬體設計等內容。One of the most important events in the history of the development of tv technologies is the implementation of digital compression technology, which leads tv industry into a new rapidly developing stage. with satellite, cable and terrestrial transmission channels, dvb, of which the digital compression is the core technology, has such features as two - way channels, interactive functions, etc. in dvb system, the information of video, audio and text is digitalized and integrated to form a new kind of tv program. furthermore, through online digital information broadcasting, people can browse information of other programs while watching several programs just as they have done on the internet
電視技術發展史上最重要的里程碑是數字壓縮技術的廣泛應用,它將電視事業帶入一個新的高速發展時期,以數字壓縮為核心技術的數字電視廣播通過衛星有線和地面傳輸具有多功能雙向傳輸交互性等特點,不僅將圖像聲音和文字等信息數字化,而且將有關信息相互鏈接並有機地結合在一起形成了新的節目形態,特別是其採用了數字信息在線廣播方式,觀眾在收看到多套節目的同時還可以像訪問網際網路那樣瀏覽其它節目信息。Based on behavior of joint core under cyclic reversal load, according to actual measurement load - displacement hysteresis loops, slip of longitudinal reinforcement passing through joint and shear deformation of joint in a serial of beam - column subassemblage tests, the typical slip hysteresis model of longitudinal reinforcement passing through joint and typical shear deformation hysteresis model of joint are proposed in this paper
本文以節點的受力特性及規律為基礎,基於若干樑柱組合體低周交變加載試驗的實測節點恢復力滯回曲線以及從中分離出來的貫穿節點的梁筋滑移變形結果、節點剪切變形結果,分析總結得到有一定代表性的梁端剪力與貫穿節點梁筋滑移之間和梁端剪力與節點剪切變形之間的滯回關系模型。According to the fact that power factor of low voltage power networks is very low in china and field bus technology is developing in the world, in order to enhance power factor of low voltage power networks, on the basis of central transmitting and controlling information among every compensation equipment, the author of this dissertation studies systematically the design principles of power factor dynamic compensation system. based on analyzing structure of control system at present, the author of the dissertation puts forward a distributed completely and multi - layer structure framework based on field bus technology and builds a power factor intelligent dynamic compensation system. the functions of compensation unit, intelligent node, host computer, are presented
根據目前低壓電網用電負載功率因數偏低和國內外現場總線技術的應用現狀,立足於提高交流電機的功率因數,基於將每個補償裝置進行集中監控、信息集中傳遞的思路,本文作者在分析現有的控制系統體系結構的基礎上,提出了基於現場總線技術的全分散式多層控制系統的體系結構,構建了功率因素智能動態補償系統;對補償執行單元子系統、智能節點子系統、上位機子系統三部分進行了功能分析。In the aspect of the choice of the comprehensive network schemes, it proposes to have the whole communication network categorized into backbone networks and specialist networks, due to the fact that city ' s trail transportation involves vast investment and lengthy construction and must be implemented line after line, period after period, etc. how to connect pots of specialist networks to backbone network so as to effect business transmission across lines has also been discussed
3 、網路總體方案的選擇比較:針對城市軌道交通的建設投資大,時間跨越長,分線、分期施工建設的特點,將城市整個通信網分成骨幹網和專線網。在骨幹網中如何將各專線網的一個或多個骨幹節點組合,實現跨線的業務傳輸。Being a local approximating neural network, cerebellar mode arculation controller ( cmac ) has the distinctive ability of disposing nonlinear mapping and building nonlinear relationship. the paper proposes a cmac - based control scheme in which learning and controlling are alternately processed. the method is applied to the ac servo control system and obtain high quality output
作為局部逼近神經網路之一的小腦模型關節控制器( cmac )對處理非線性映射、建立非線性關系具有獨特的優點,本文將cmac應用於交流伺服電動機系統的控制,採用邊學習邊控制的工作機制,取得了良好的實驗結果。According to the experience about the boiler ' s operation management of the boiler house in southwest jiaotong university, through preventing leaks, cleaning ashes, removing scales and improving the operating level of stokers, to enhance the level of boiler ' s operation management and guarantee the boiler ' s operation in a safe and conserving energy condition are introduced in this paper
根據鏈條鍋爐除塵廢水的特點,分析總結了治理中小型鍋爐濕法除塵廢水的各項技術,提出切實可行的治理工藝路線。根據西南交大鍋爐房的運行管理經驗,通過堵漏、清灰、除垢以及提高司爐人員操作水平等措施,提高鍋爐運行管理水平,確保鍋爐安全節能的運行。A new four - node axisymmetric element ach8 is derived based on the combined hybrid variational principle, which uses wilson ' s displacements and linear stress suffering from energy compatibility. the resulting element exhibits excellent results in displacements and stresses and is suitable for nearly incompressible materials without any locking phenomena, insensitive to mesh distortion
本文首先基於組合雜交變分原理推導出4節點的軸對稱元ach8 ,其位移插值採用wilson非協調位移模式,應力在等參坐標系下採用關于wilson位移完全能量協調的不完全線性多項式。For a small local network, the gsn node can be located in the exchange room. the pcu is connected to the sgsn on a ppp basis so as to save trunks. when there are many pcus and they are located in places other than the exchange, they can access to the sgsn via the existing fr network or a self - built fr network
對于規模較小的本地網,可將gsn節點設置在交換機房內,其pcu經過交換機以ppp的方式同sgsn連接,可以節省中繼線路。當pcu單元數量多且與交換機位於不同的地方時,可以通過現有的fr網或自己組建fr網路接入到sgsn中,此時gsn節點位置相對靈活。分享友人