有限中立點 的英文怎麼說
中文拼音 [yǒuxiànzhōnglìdiǎn]
有限中立點
英文
finite neutral point- 有 : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
- 限 : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
- 立 : 動1 (站) stand; remain in an erect position 2 (使豎立; 使物件的上端向上) erect; stand; set up...
- 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「、」)...
- 有限 : limited; restricted; finite; a little; not much
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The paper is based on an arcuated built - up system bridge - zhongshan no. one bridge to be built in guangzhou, adopts the large universal finite element programme ansys, takes spatial action among members into account, establishes a three - dimension finite element model, and discusses the following several aspects : firstly, when three - dimensional finite model of a complicated bridge is founded, a beam - lattice method is a kind of applied and effective spatial analysis method, which is used to analyze superstructures of a bridge
本文以廣州市中山一橋為背景,採用大型通用有限元程序ansys ,考慮構件間的空間相互作用,建立了三維的有限元模型,重點對以下幾個方面進行深入探討:首先,在對復雜的橋梁結構進行三維的有限元模型建立時,梁格法是分析橋樑上部結構比較實用而且有效的空間分析方法。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。On the basis of the others, according to the constructional feature of the constitution of the composed soil nails, the computation mode of the he strut frame made of composed soil nails was set up to analyze the distortion of the he strut frame made of composed soil nails when it is stressed. with the engineering data, the strut frame made of composed soil nails is analyzed with the program ababqus, and the effects of the distortion characters, the property of the deposition of the ground, the mechanical property of the soil nails, the variation of the length and the separation of the soil nails, and the diametric of the mixing piles on the strut frame made of composed soil nails, and the distortion property of the strut frame made of composed soil nails under different ground conditions
在總結前人的研究成果下,針對復合土釘墻構造的特點,建立了模擬復合土釘墻受力變形的計算模型,並結合工程實測資料,運用大型通用有限元程序ababqus對復合土釘墻進行了有限元分析,詳細討論了復合土釘支護結構開挖過程中的變形特性、地面沉降性狀、土釘受力性狀;土釘長度變化、土釘間距變化、攪拌樁樁徑變化對復合土釘支護結構的影響;復合土釘支護結構在不同地基條件下的變形特性。Then the following state - ments are equivalent : ( 1 ) 0 is an isolated point in ( 2 ) a is a finite rank operator ; is the spectral projector associated with. theorem4. 5 let a be a compact normal operator, is an isolated point in prop4. 13 let a be a compact normal operator, ao is an isolated point in a ( a )
定理乏止設a是緊正常運算元,則下列條件等價: ( )是o ( a )的孤立盧、 ;仰a是有限秩運算元; w 2n間a二一,其中燦1 , …為」 (用自所有的互不相同的孤立點,民: h ?馬人一川為關于入的譜投影運算元A two - dimensional plain strain finite element model of infinite plate is developed to investigate the ultrasonic wave propagation and scattering on three kinds of cracks : parallel to the surface, 450 oblique angle to the surface, and quarter - circle
摘要建立了無限長板的具有吸收邊界的二維平面應變有限元模型,在研究了脈沖超聲波在無限長板中傳播的基礎上,對板中平行於表面的裂紋、與表面成45的斜裂紋和四分之一圓周弧形裂紋三種情況的脈沖超聲波散射進行了重點研究。The leading products comprise tetra acetyl ethylene diamine ( taed ) ( 10, 000mtyear ), sodium percarbonate ( spc ) ( 20, 000mtyear ), sodium perborate ( spb ) ( 5, 000mtyear ), sodium acetate and solid peracetic acid. the company is located in hangzhou bay fine chemical zone, which is adjacent to the well - known shanghai and ningbo ports and enjoys the geographical advantage as part of the most prosperous yangtzi river delta. it covers a plant area of 600, 000 square meters in shangyu and has its sales headquarter established in the capital city of zhejiang province, hangzhou
系由國家級重點高新技術企業金科科技集團控股發起設立的股份有限公司,創建於2001年5月,地處中國經濟最具活力的長江三角洲地區,杭州灣南岸的杭州灣精細化工園區毗鄰上海港與寧波港,現廠區佔地880苗,擁有員工600餘名,專業生產過碳酸鈉( spc ) 、四乙酰乙二胺( taed )和固體過氧乙酸。Company was set up in 1997, as a high - tech enterprise with ability of reserch, development and manufacture, it was set up for limited company in 2006, and has passed iso9001 : 2000 quality adminis - tration system certification. company have professional works, excellent process equipments, perfect checkout apparatus, and produces all sorts of premanent magnetic chuch, electro magnetic chuch, rectiffication ` s manipulator and magnetic removal with adwantages of advanced designment, long longevity, big suction and small remanence. the quality has passed the certification of china quality test association and china quality indemnify center
公司成立於1997年,是一家集科研開發生產為一體的高科企業, 2006年組建為有限公司,並通過iso9001 : 2000質量體系認證,公司擁有專業的技術人員,精良的加工設備,完善的檢測儀器,所生產的各種永磁吸盤、電磁吸盤、整流控制器、退磁器等磁性工具,具有設計先進、壽命長、吸力大、剩磁小等特點,質量通過中國質量檢驗協會,中國質量保障中心認證。The paper describes the modeling techniques and main points of the whole vehicle in the virtual proving ground by modeling the finite element models of the body in white, suspension system, tire and nonstructural masses of a business car, and simply verifying the whole vehicle model
摘要通過對某型商務車白車身、懸架系統、輪胎、非結構質量進行有限元模型的建立、聯接裝配,直至完成整車的有限元模型的過程,並對該模型進行簡單的驗證,來說明在汽車虛擬試驗場中整車的建模技術與要點。As an example, the space analysis model about the wuhu changjiang river bridge is done and the internal forces about the wuhu changjiang river bridge due to dead load and lived load are analyzed. 2. the vibration analysis of the long span plate - truss composite cable - stayed bridges
文中以蕪湖長江大橋為例,建立了該橋的空間有限元分析模型,並重點分析了該橋在自重恆載作用下的結構內力及車輛荷載對橋梁結構內力的影響。Based on the fem program on fracture of plane structure developed by professor fu xiaoling of ho hai university, a two demension damage and fracture finite program package which is programed in fortran 90 language is developed. the paper adopts the plane - eight - nodes isoparameters element and compute the developing law of the damage and macro - damage of plane structure under load. considering the original damage and tension and compression damage at the same time, the paper adopts the more reasonable concrete constitute relation of two demension and exponent function model
在河海大學符曉陵副教授所編制的平面結構斷裂有限元程序( dl08p4 )基礎之上,本文用fortran90語言編制的二維損傷-斷裂有限元程序包,程序採用平面八結點等參數單元分析計算平面結構在外荷載作用下損傷及宏觀裂縫的發展規律,考慮了混凝土結構體內存在著初始損傷和同時存在的拉、壓損傷,並且採用更為合理的具有損傷含義的混凝土二維本構關系(即正交異性損傷模型中的本構方程)和指數函數模型建立的並可進行拉、壓損傷可比性換算的損傷演變方程,較為真實地反映了實際情況。The paper mentions the design of three - dimensional graphics modeling in the mine such as shaft, laneway, and equipment of transport and mining. human - computer interaction and viewpoint rambling in the demo system are realized so that the simulating staff may look at circumstances from different viewpoint and positions. under the precondition of limited resources holding, the contradiction between the fidelity of image display and real - time feature of system interaction process is better resolved with using of display list and model culling technology
論文中採用了opengl圖形庫的基本繪圖函數進行三維圖形的模型設計,並詳細給出了立井、拱形巷道、梯形巷道以及工作面支架和井底運輸巷道設備的三維圖形設計方法;並著重分析人機交互與視點漫遊功能的技術在系統中的實現;在佔用有限資源的前提下,為了提高場景實時顯示速度,論文中採用顯示列表和模型淘汰等技術,並編制出了一個虛擬礦井實例。Zhang lixia ( water conservancy engineering ) supervised by professor shi kebin this paper mainly discussed a method for multi - goal network ' s optimization. since the network plan was brought forward, the criterion for evaluating network was time cost resource all along. in this paper, through massive study on achievements the predecessors had done the author posed a new criterion : quality, and set up the network ' s quality model ; simultaneously, the author established the network ' s multi - goal model by synthesizing the existing optimum models, also found the finite not bad solution of the model ; because the four goals was in contradiction with each other, using the multi - goal decision theory can optimize the network project scientifically and objectively
本文在對前人關于網路計劃研究結論的總結分析的基礎上,探討了評價網路計劃優劣的各準則,提出一種新的評判準則:工程質量,並建立了網路計劃的工程質量模型;針對目前網路計劃多是單目標的優化,綜合網路計劃就各目標優化方法的研究理論,建立了網路計劃的多目標模型,並將工程質量模型融入其中,根據網路計劃的特點,解出該模型的有限個非劣解;由於各優化目標之間的矛盾性、不可公度性,用多目標決策理論的方法,科學而客觀地對網路計劃進行了多目標優化,從而避免了人為決策的盲目性、主觀性。Zhengzhou coal industry ( group ) limited liability company ( hereinafter referred to as zheng meijituan companies ) built in 1958, when the new federated mining bureau, january 1989 renamed zhengzhou mining bureau, 1996 1 january original coal department approval for the establishment of state - owned exclusive investment companies, in september 2002 with china xinda, china huarong asset management corporation for the joint formation of a new company property is a category of countries large enterprises, national levels enterprises, the original coal department establish a modern enterprise system one of the pilot units, the coal industry and the first issuance of stock - listed companies
鄭州煤炭工業(集團)有限責任公司(簡稱鄭煤集團公司) ,始建於1958年,時名新密礦務局, 1989年1月更名為鄭州礦務局, 1996年1月經原煤炭部批準組建為國有獨資公司, 2002年9月與中國信達、中國華融資產管理公司聯合組建為產權多元化新公司,是國家大型一類企業,國家二級企業,原煤炭部首批建立現代企業制度試點單位之一,煤炭行業第一家發行股票並上市的企業。In these thesis, on the basis of existing data collected of arch bridges and dynamics, simply introduce the development and application of the analytical method and finite element numerical analysis method of arch bridges. taking the example of pubugou cfst arch bridge, establish 3 - d finite element model of it with software ansys, and analyze its natural vibration. the effects on inherent vibration of the differences of structure parameters, the restriction of the deck and the effects of different arrangements of cross braces are analyzed
本文在收集有關拱橋及動力學資料的基礎上,分析了拱橋動力學的解析分析法和有限元數值分析方法的優缺點,同時以瀑布溝大橋為背景,使用ansys軟體建立了空間有限元模型,實施了橋跨結構的自振特性分析;並分析了考慮到模型簡化過程中部分結構參數取值差異、橋面板的約束狀況不同等因數對自振特性結果的影響;此外還對橋面上的橫撐布置不同導致對自振特性的影響作了分析。Using the complex potential method in the plane theory of elasticity of an anisotropic body, the series solution of finite anisotropic thin plate containing an elliptical inclusion is proposed with the help of faber series. a hybrid element with an elliptical inclusion for anisotropic materials is obtained by using the hybrid variable principle, and the element efficiency is verified by numerical examples. the state of the damage is modeled by an elliptical soft inclusion, and using the point stress criterion based on characteristic curve and yamada - sun etc. criteria, the prediction of the strength of a composite laminate with damage is set up
首先基於經典層板理論,將復合材料層板的彈性問題化歸為均勻各向異性板來求解;採用各向異性體平面彈性理論中的復勢方法,以faber級數為工具,給出了有限大含橢圓核各向異性板彈性問題的級數解形式;利用雜交變分原理,成功導出含橢圓核各向異性板雜交應力有限元,並用算例驗證了該單元的可行性和有效性;採用含剛度折減橢圓形彈性核的沖擊損傷模型,引入基於特徵曲線和yamada - sun破壞準則的點應力判據,建立了含損傷復合材料層板剩餘強度的分析方法;通過數值計算詳細討論了各種幾何參數對損傷層板應力分佈、剩餘強度的影響,得到了一系列對工程應用具有實用價值的結論。Be opposite this of 1992 cloth " labor law " revise share 44, new after revising " labor law " have the following characteristic : suited to build the real case that realizes formal diversity with the adjustment that develops structure of system of socialist market economy, economy, state ownership already, highlight again was aimed at increasingly complex and changeful working relationship ; the maintenance that highlighted labour union function, made clear workers congress system and collective contract system shift of power of these two main thought, aggrandizement labour union organizes construction, organize broad worker in labour union to provided legal basis and safeguard for utmost ground ; increased the protective strength to labour union cadre, aggrandizement specific safeguard, make labour union cadre ok more the function that fulfils his duty to fulfill labour union responsibly ; protected labour union to produce bridge and bond effect better, fulfilled labour union to share politics, economy, culture and the approach that the society lives, made clear the essential mechanism that labor of labour union mediate concerns ; those who made clear union funds capture range, aggrandizement of union funds capture strength, ensured labour union to organize the necessary material base that develops function of labour union of activity, implementation lawfully ; set legal liability, made clear the punishment to violating principal part, enhanced law to deter force
這次對1992布的《工會法》的修改共有四十四條,新修改後的《工會法》有以下特點:既適應了建立和發展社會主義市場經濟體制、經濟結構的調整、公有制實現形式多元化的實際情況,又突出針對了日益復雜多變的勞動關系;突出了工會的維護職能,明確了職工代表大會制度和集體合同制度這兩個主要維權手段,強化了工會組織建設,為最大限度地把廣大職工組織到工會中來提供了法律依據和保障;加大了對工會幹部的保護力度,強化了具體保護措施,使工會幹部可以更加盡職盡責地履行工會的職能;更好地保護了工會發揮橋梁和紐帶作用,落實了工會參與政治、經濟、文化和社會生活的途徑,明確了工會調處勞動關系的根本機制;明確了工會經費的收繳范圍,強化了工會經費的收繳力度,保障了工會組織依法開展活動、實現工會職能的必要物質基礎;規定了法律責任,明確了對違法主體的處罰,增強了法律威懾力。Our north asia regional sales office is located in shanghai, a city which is emerging as one of the fastest growing communities in the maritime industry
丹麥泰納有限公司將其在亞洲地區的聯絡點設立在上海這一座充滿活力城市中,標志著公司非常看好正穩步發展著的造船行業並預示著公司對亞洲市場的美好的期待。Considering slpmu - 025a produced by japan shinko motor company ltd. as our study project, this thesis presents a study on two - phase hybrid lsm, the study objects and some conclusions presented in the thesis are : ( l ) the 3d model of slpmu - 025a is formed by software maxwell 3d. then, the 3d magnetic field of the motor is analyzed by fem ( fenite element method ) analysis. here, the analysis of the magnetic field is in focus on the region of tooth - layer
本文以日本神鋼電機株式會社生產的slpmu - 025a為研究樣機,對二相混合式直線步進電動機進行了研究,內容包括: ( 1 )用maxwell3d軟體建立了slpmu - 025a的三維模型,通過有限元分析計算了電機的三維磁場,重點分析了電機齒層區域的磁場; ( 2 )應用maxwell3d的后處理計算得到了電機的靜推力? ?位移特性,並與實驗進行了比較; ( 3 )利用matlab中的simulink建立了動態模擬模塊,模擬了電機的部分動態特性,並用實驗進行了驗證。China yituo group corporation limited has been restructured from china first tractor & construction machinery corporation ( grown out of the first tractor works, china ) according to the requirements for building the modern enterprise system. it is one of the 156 key projects constructed in the period of the first five year plan in our country, the largest tractor manufacturer and the sole extra large enterprise in our agricultural machinebuilding industry approved by the state
中國一拖集團有限公司,由原中國第一拖拉機工程機械公司(前身為第一拖拉機製造廠)按照建立現代企業制度要求改制組建而成,是我國第一個五年計劃期間興建的156個重點建設項目之一,是中國最大的拖拉機製造企業,是農機行業中經國家批準的唯一特大型企業。Considering the limited energy and transmission range of sensor nodes in sensor networks, an innovative routing algorithm named self - adaptive flooding based on delay is proposed. in this algorithm, sources deliver route request packets ( rreq ) and sink answers route reply packets ( rrep ) to build routes. in order not to miss optimum routes with the best metrics, the algorithm is to wait a specific amount of time to ensure that almost the rreq near the best metrics is received
為此本文在無線傳感器網路中研究了基於自適應的路由演算法,主要工作如下:針對傳感器節點能量及傳輸范圍有限等特點,提出了一種基於延遲的自適應洪泛路由演算法,首先通過源節點在網內用較小的路由請求報文和路由回復報文來建立路由,路由建立的過程中自適應地確定等待時間以使更優的路由請求報文得到轉發,然後源節點再沿著建立好的路徑轉發較大的數據報文。分享友人