弧型模式 的英文怎麼說
中文拼音 [húxíngmóshì]
弧型模式
英文
arc mode-
Rapid prototyping technology changed the traditional pattern of product design, which could offer product sample for the designer, reduced design cycle and quicken the schedule of new product design, and it gave the decision - makers visual feeling. ; rp technology provided kinds of molds including resin - boncled mold laminate mold, investment mold and lost foam casting mold and so on for sand casting investment casting and cavityless casting, it could also use direct shell production casting to make pattern dies metal dies die - casting dies injection dies directly, and it could even produce casting products in small scales. the applications of fdm technology in plaster precision casting and the rapid casting technology based on sls technology were introduced, the organic combination between rapid prototyping tecnnology and foundry process, which initiated a new period of rapid manufacturing metal parts, by using advanced new technology alternated traditional foundry industry to make it looked brand - new, thus, the competition of foundry industry would be improved ; rapid prototyping technology offered a rapid economical feasible technical method, common processes of using rapid prototyping technology to produce dies were discussed, in the paper it explored that. the problem of combining rapid prototyping technology with electric arc metal - spraying technology to make metal dies and technics in dies manufacturing of combining rapid prototyping technology with precision casting, rapid tooling based on rapid prototyping, integrated advanced new technology and tradition technology of rapid prototyping manufacture, each superiority were exerted, rapid prototyping technology had been an efficiency measure to rapid update products and develop new product, and to middle -
快速成型技術改變了傳統的產品開發模式,可以為設計者提供產品樣件,縮短設計周期,加快新產品的開發進度,為決策者提供直觀性;快速成型技術迅速提供砂型鑄造、熔模鑄造、實型鑄造用的各種模樣,包括樹脂模、層壓模、熔模和消失模等,還可採用直接制殼鑄造法直接製造熔模鑄造用的壓型、金屬型、壓鑄型、注塑模,甚至直接製造小批量鑄件,介紹了熔積成型技術在石膏型精密鑄造上的應用和基於選擇性激光燒結技術的快速鑄造技術,快速成型技術與鑄造工藝的有機結合,開創了快速製造金屬零件的新階段,對用高新技術改造傳統的鑄造工業,使其面貌煥然一新,增強鑄造行業的競爭能力;快速成型技術為母模的製造提供了一條快速、經濟、可行的技術途徑,討論了利用快速成型技術製造模具的一般工藝方法,探討了將快速成型技術與金屬電弧噴鍍技術結合起來快速製造金屬模具問題,以及快速成型技術與精密鑄造技術相結合的模具製造工藝,基於快速成型製造的快速模具技術,集成了快速成型製造高新技術和傳統技術,發揮各自優勢,已成為產品快速更新換代和新產品開發及中、小批量生產的有效手段之一。The problem about neutral - point - grounding mode is an all - around technical problem which associated with not only power system reliability , insulation coordination , electromagnetic interference , but assault safety 。 in china , the neutral grounding modes of the 10kv net involved of none grounding, grounding by arc suppressing coils, resistance grounding or reactance grounding in the past 。 with the development of civic power network , low resistance grounding mode was used to restrain the over voltage, particularly in guangzhou, shanghai , beijing , and zhuhai etc. it was reported that the over - voltage level of low resistance grounding mode is lower than that of arc suppressing coil mode, but the operation carried out the other way 。 at substations in guangzhou and shanghai it was found that the low resistance grounding mode is successful 。 but in some areas , such as zhuhai , substations grounding with low resistance revealed some problems , including power supply reliability rapidly dropping , transmitting line often tripping ; and person safety being threatened 。 so interiorly the grounding mode selection of the 10kv network was disputed, which mainly focused on the fault form of 10kv net grounding, the apply area of suppressing arcing coil grounding mode, power supply reliability level of the two modes, person safety, communication interfere and the workload of maintenance
爭議點主要是在10kv電網接地故障的形式、消弧線圈接地的應用范圍、兩種運行方式供電可靠性的高低、人身安全、通訊干擾和運行維護工作量等諸多方面。 11 17本論文就是針對以電纜為主的城區10kv電網中性點接地方式的選擇問題進行研究。論文首先對10kv電網的中性點運行各種方式進行分析,比較各方式的特點,然後以重慶儲奇門變電站10kv電網的實際參數來建立數值計算模型,在考慮了電網接地電容電流變化、中性點電阻取值大小、接地點接地電阻值變化等多種影響因素的情況下,對中性點經消弧線圈接地和經小電阻接地方式下電網的過電壓水平和接地點短路電流大小進行了數值計算,其計算結果與電科院所作現場試驗進行了比較。After an introduction to the research on the software for the design of the variant steel arched girder construction, the creation of the structural model, the structure of the supporting seat, the design of the variant arched girder, and the measures taken to ensure the stability of the plane surface of the arched girder, the thesis goes to study the methods for the hoisting and the angle setting of the long - span arched girders, as well as the bolting of the axle pin in the hinge support
論文首先對變異鋼拱架結構設計可採用的軟體、結構模型的建立、支座構造形式、變異拱梁的設計,以及保證拱梁平面外穩定所採取的措施等進行了研究,然後研究了大跨度變異鋼拱架弧形梁吊裝、角度的調整、鉸支座穿軸銷等的施工方法,最後對施工完成後的位移進行了實際量測。In this paper, ansys, the software on finite element analysis, is made use of processing the static and modal analysis on the preliminary models and its " modified ones. by analyzing the results, we can conclude that the stresses on the components of the modified models are tended to equilibration and the location of the branches " brace can also influence stresses and translations on the branches. in addition, the values of the intrinsic frequencies on modified models " are larger than the ones on preliminary models, but the ranges of the frequencies on both models are almost same
傳統的弧形閘門的支臂結構基本上都是三角架式的,這主要是因為按平面體系進行計算的傳統設計方法忽略了結構的整體性及弧形閘門的空間結構特點,設計得比較保守,而實際上,將其改為a型結構也存在可行性,本文是利用有限元分析軟體? ? ansys對原模型及修改模型分別進行靜態和固有頻率的計算,通過分析比較其結果可知,支臂改為a型后會使閘門的整體受力趨于均勻,即原模型受力大的部件其應力變小,而原模型受力小的部件其應力會變大;而且a型支臂的支桿在不同的放置位置對支臂的應力和位移變化也有一定的影響。The mathematic model of the ultra - thin spherical mirror is to be treated as elastic thin shell. then the predigested model, i. e., bended beam, used in qualitative analysis was proposed, and its deflection and stress formulas under the freely supported condition were set up. based on an off - axis aspherical primary mirror, the relationship of aspherical surface error ( rms ) in tangential plane with bended beam ’ s radius r, position s of concentrated load p and geometry length l of arc was analyzed
根據這一設想,本文建立了超薄鏡的數學模型?薄殼,並提出了強制力作用下超薄鏡的簡化模型?曲梁,推導了曲梁在簡支情況下受力變形的撓度公式,並結合一個實例,計算出曲梁變形后與所需非球面的面形殘差( rms )在子午方向與曲梁弧長l 、曲梁半徑r及集中力位置s的關系及滿足面形精度的r和s范圍,分析了弧矢方向的rms ,得出了同時滿足子午和弧矢方向面形要求的l 、 r和p 。Physical model test about vertical and several arc type wave screens which were commonly used was carried out, measuring the wave force and overtopping on the wave screens, analyzing the characteristics of wave force and overtopping of different types of wave screens, and researching the mutual relationship between the wave force and overtopping due to different types of wave screens, to service as a reference for wave screen design of sloping breakwater
通過對常用的直立式及幾種圓弧式防浪墻進行物理模型試驗,測量作用其上的波浪力和越浪量,分析不同防浪墻形式在受力和越浪上各自的特點,並討論防浪墻型式引起的越浪和受力的相互關系,可供料坡堤防浪墻設計參考。So the development of self - energy sf6 cb is very important. in the paper, the math model of arc - quenching chamber air - pressure character is built on the base of 126kv / 31. 5ka self - energy sf6 cb ' s exploiting, then the theory analysis and calculation is deeply been done for cylinder radius, nozzle spout radius and opening position of moved contact that they have the essential effect for the use of arc energy in the course of opening. arc - quenching chamber parameter is confirmed according to the request of full opening and fault opening when the cb is opening
本文針對126kv31 . 5ka自能式sf _ 6斷路器的研製,建立了相應的滅弧室氣壓特性數學模型,對自能式sf _ 6斷路器開斷過程中電弧能量利用有重要影響的滅弧室缸徑、噴口直徑、動觸桿開口位置進行了詳細深入的理論分析和計算,並根據斷路器開斷中的滿容量開斷和近區故障開斷的要求確定了滅弧室參數。As far as model is concerned, the forth generation software should be characterized with spatial entity - oriented. the paper established the geographic spatial model based on the thinking of object - oriented ; studied the structure of the model " s elementary unit - - geographic entity ; brought forward the concept of geometric data type which characterize entity ' s spatial feature in the structure ; defined five kinds of geometric data types such as point, arc, area, composite arc, composite area ; and formalized their collective operation using hypergraph. at the end of this paper writer studied preliminarily the method of entity query and analysis based on the model
本論文從面向對象的基本思想出發,建立了面向對象的地理空間模型;研究了地理空間模型中的基本單位? ?地理實體的結構,針對實體結構中用來表徵實體空間特性的組成部分? ?幾何對象,提出了其取值范圍,即幾何數據類型的概念;對點、弧、面、復合弧和組合面五種幾何數據類型進行了定義;並使用超圖工具對幾何數據類型的集合操作進行了形式化描述;對基於面向對象的地理空間模型的實體查詢和分析方法也做了初步研究。Based on lots of experiments, by combining the progress in mesomechanics with fea computation and analysis, this thesis investigated many parameters " effect on crack with an arc - tip in plain mixed - mode fracture, and compared existing criteria for fracture initiation, fracture direction and fracture mode transition
本文主要的工作是在試驗的基礎上,結合細觀斷裂力學當前的研究進展,通過有限元計算和模擬分析,研究了平面復合型斷裂中各種力學參量對圓弧尖端裂紋斷裂的影響,比較分析了現有的起裂判據、斷裂擴展方向的判定方法以及斷裂模式的轉換條件。It consists of two part, the one is hardware : integrating the system of the arc welding robot ' s hardwares and its working principles, separating and extracting the original system ' s control signals, designing the control system openly and its working principles, constructing the structure and principle of the motion card based on dsp, designing the telecontroling teaching box or control panel of touching screen based on usb interface, applying for some software and hardware measures on control system ' s anti - jamming ; the other is software : putting forward the three levels opening software structure model of arc welding, comparing the opening of software structure model between osaca and ours, putting forward the solutions of the pri and communication among the threads of software system ' s modules, using the dll ' s techniques to solve software ' s module design and putting forward the frame codes, bringing forward the path planning software ' s realization by cp + ptp mode, discussing the real time of windows2000 operating system and advancing its solution
具體包括,硬體部分:弧焊機器人硬體整體系統集成及其工作原理,原系統控制信號的分離和提取,控制系統的開放式設計及組成原理,基於dsp的運動控制卡結構和原理,基於usb介面的觸摸屏式遙控示教盒控制面板的設計,系統抗干擾的軟、硬體措施;軟體部分:提出了弧焊機器人的三層開放式軟體結構模型,軟體結構模型與osaca的模型進行開放性比較,給出軟體系統各模塊線程間優先級和通訊的解決方案,使用動態鏈接庫技術實現軟體模塊化設計並給出了框架代碼,給出了cp + ptp方式的軌跡規劃軟體實現過程, windows2000操作系統實時性問題的討論及解決方案。It first shows the building of stochastic, time - dependent network model, the description of k expected shortest paths problem, the demonstration of travel time probability distributions for the arcs in transportation area, and the calculation of expected travel time on path
本文首先給出了隨機時間依賴網路模型( stdn模型) 、 k期望最短路徑問題的形式化描述,並針對交通應用領域推導出弧耗費服從的概率密度函數,路徑期望值的計算方法。The influence of the height, width and the shape of the metal barrier is calculated in this paper. the simulation results show that the shape of the barrier boundary has great influence on discharge efficiency. the variation of electron temperature with gas pressure is also investigated and its result is coincident with the recorded data
對新型蔭罩式結構分析了單元結構的變化對電子平均溫度和放電效率的影響,並觀察了隨壓強的變化電子平均溫度的變化趨勢,模擬結果表明斜邊或弧狀的內斜式結構可提高放電效率,且電子溫度隨壓強的變化趨勢同文獻相符。In this paper, the gas flow is simulated in the 252kv self - extinguishing type sf6 circuit breaker which is being studied by the tianying company in pingdingshan. the idea which combines the self - programmed method and the fluid computation software is presented
本文配合平頂山天鷹集團開發研製的252kv自能式sf _ 6斷路器,建立了相應的滅弧室氣流場數學模型,提出了一種利用流體計算軟體和自編程相結合的方法對滅弧室內的氣流場進行計算。Through studying about tectonic units established, old plates rebuilded, original basins restored, texture and structure of orogenic belt, mechanism and model of orogeny, it is definded that the type of beishan orogenic belt is continent - accretion arc collosion orogenic belt
通過對造山帶構造單元的建立、古板塊重建、原型盆地恢復、造山帶結構、構造特徵及造山機制和模式的研究,確定北山造山帶類型為陸增生弧碰撞造山帶。From the results of simulation, it is found that the fault circuit selecting method proposed in this thesis is applicable to arcing grounded
最後,本文利用簡單的電弧模型討論了電弧接地方式對于本文演算法的影響。經算例模擬,本文的演算法可以適應電弧接地方式。Second, based on works mentioned above, an interactive graphic system, i. e. an interactive parametric three - dimensional model - building software about double circular arc profile bevel gear were established according to computer graphics, c language, vc + + language, autolisp programmed and cad technology, in which, language c completed complicated calculation, autolisp language finished model - building, vc + + language accomplished the generation of program interface
在上述工作的基礎上,綜合應用計算機圖形學理論、 c語言、 vc + +語言、 autolisp編程以及cad技術,編制了一互動式圖形系統和雙圓弧弧齒錐齒輪的三維建模軟體。其中, c語言是計算部分, autolisp語言是模型建立部分, vc + +語言完成程序界面的生成。For the analog low - gain displacement - type records, two horizontal - component records of a m7. 1 aftershock of tangshan earthquake, july 28, 1976, in tai ' an seismic station are used as the example to show the procedures of digitizing, arc - shape correction, baseline correction, equal - interval interpolation and instrument response correction. the reliability of the analog low - gain displacement - type records for long period study is also discussed. in order the database to have a better magnitude - distance distribution, a method to estimate the long period response spectrum values from earthquake magnitude definition is developed
對于模擬式低放大倍數位移記錄,以泰安地震臺的513型中強地震儀所記錄的1976年7月28日唐山地震的7 . 1級餘震兩個水平分向的記錄圖為例,詳細說明了對記錄圖數字化、弧型校正、基線校正、等距插值、儀器響應校正等步驟,計算了周期t 10s的反應譜,分析了它們的可靠性。For the graph entities with arc type, we mainly studied a mis - recognition in graph entity types, referred as " pseudo arc ". by searching the corner points on the border of the arc and divide the arc to piece - wise, the analysis is then done for every piece respectively
對于圓弧型圖素,則重點研究了常見的錯誤模式?偽圓弧的檢測和校正技術,首先檢測偽圓弧對應的光柵圖元輪廓上的角點,並以這些角點對圖元輪廓進行分段,再逐段分析。At last, a 3d - fem model is used for a soil - nailed supporting system in a classical two - layer distribution. the spatial distribution of horizontal displacement is reached by the analysis. some other analyses are made for the different ratio of length of foundation pit and the effect of the ratio on the largest horizontal displacement of the slope is analyzed
在邊坡破壞模式研究中利用有限元方法對成都砂卵石地區典型的二元體土層基坑開挖進行了數值模擬,認為其破壞並不取均質土的圓弧破壞模式,而是一種折線形破壞模式,同時建議在噴錨網支護設計中錨桿長度的變化和極限平衡分析中考慮折線形滑動面。The pheromone - based parameterized probabilistic model for the aco algorithm is presented as the solution construction graph that the combinatorial optimization problem can be mapped on. based on the solution construction graph, the unified framework of the aco algorithm is presented. an iterative update procedure of the solutions distribution in the problem ' s probabilistic model is proposed, that will converge to the optimal solutions with probability one, then the minimum cross - entropy pheromone update rule is proposed to approximate the iterative update procedure by minimizing the cross - entropy distance and monte - carlo sampling
基於解空間參數化概率分佈模型,首先提出了一個以概率1收斂于最優解的解空間概率分佈的迭代更新過程,然後提出了通過最小化不同分佈間的交互熵距離以及蒙特卡洛采樣來逼近此迭代過程的最小交互熵信息素更新規則,接著分別給出了弧模式以及結點模式信息素分佈模型下的最小交互熵等式。分享友人