造型曲線 的英文怎麼說

中文拼音 [zàoxíngxiàn]
造型曲線 英文
style
  • : Ⅰ動詞1 (做; 製作) make; build; create; produce 2 (假編) cook up; fabricate; concoct 3 [書面語...
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 造型 : 1 (創造物體形象) modelling; profiling; mouldmaking 2 (創造出來的物體形象) model;mould3 [機械...
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. This paper put forward the optimized methods include reconstructing the characteristic curve by reasonable use of the adjust tools and analyse tools of the modeling software, admeasuring the automotive model surface correctly, simulating the breaking surface and creating the surface in the right turns which is good for modeling a smooth and exactitude surface. at last, after the correct analysis of the factors which are effect to the surface construction, a smooth and exactitude surface of the similar diamond concept car has been constructed by using the right optimize method

    本文通過合理利用反求軟體中的工具和分析工具,正確劃分反求模區域,使用正確的方法,對反求面的特徵網格進行二次優化,並對突變面進行擬合再生成處理及建立合理的面生成順序等方法,最終獲得了仿度和光順度都很高的反求面。
  2. With the development of computer technology and free - form surface modeling, body plan description on the computer has been converted into hull surface model simulation in which more information is included so that hydrostatic properties calculation can be carried out with hull information directly

    隨著計算機技術與復雜技術的發展,計算機上的船體的描述,目前已發展成為三維面乃至三維面實體表達。與框圖相比,三維圖形中包含的信息更為豐富,實現了計算機上船體模的模擬。
  3. ( 2 ) based on indoor test, two typical soft rock of brecciated mudstone and siltstone in luohu jiancheng district is carried systemically though interior rheological testing ; moreover combining with preceding studying results of rock rheological constitutive model, rheological numerical constitutive model suited to rock mass mechanics characteristics and stratum structure of luohu fracture zone, and numerical parameters of the model are processed with studying of curve fitting

    ( 2 )立足於室內試驗,對羅湖建成區兩種典的軟弱巖石?含角礫泥巖和粉砂巖進行系統的室內流變試驗研究,又結合前人對巖石流變本構模的研究成果,分析並確定了適合羅湖破碎帶巖體力學特性及地層構特徵的流變計算本構模,並對該模的計算參數進行了擬合研究。
  4. Our products have become best - selling wherever they are, because our products are a fashionable make, and elegant craftwork with clear lines

    本廠主要生產各種類木傢俱配套,產品以新穎美觀的、精湛講究的工藝、明快流暢的條行銷各地。
  5. Considering the electrovalence, the curve of water consumption and the reliability of water supply, this paper respectively sets up the model based on the maximal flux and the model based on the expectation flux. it takes yearly expenditure converting value and yearly cistern converting value as target function and takes continuity equation, velocity of flow and compression resistance of cast iron pipeline as restrictions and sets up the pga model on optimal design of water supply networks

    考慮到峰谷電價、用水量變化及用水可靠性因素的影響,分別建立了以最高時流量設計管網的模和以期望時流量設計管網的模,以年費用折算值加上清水池年價折算值為目標函數,以連續性方程、管中流速和鑄鐵管耐壓值等為約束條件,進行并行遺傳演算法對給水管網優化設計的實現。
  6. We use bezier curves to describe the shape of leaf midrib and embed the image of leaf into the space of local frames along the midrib curve

    植物葉面的採用bezier參數描述葉子中脈的形狀,然後將葉子的紋理圖象嵌入到葉脈的局部標架中。
  7. Some important problems will be mainly discussed in this paper, including : the formation and representation of bsc, bbc, tbsc, tbbc curves and surfaces, some significant properties and corresponding algorithm, the expression of normal curves and surfaces in the form of bsc, bbc, tbsc, tbbc, the methods of the reparametrization of curves and surfaces based on the theory of bsc, bbc, tbsc, tbbc curves and surfaces, the application of the theory of bsc, bbc, tbsc, tbbc curves and surfaces in the reparametrization of curves and surfaces and practical modeling

    3 )函數的概念,並建立了bsc 、 bbc和tbsc 、 tbbc面的系統理論。主要研究bsc 、 bbc和tbsc 、 tbbc面的構、表示、性質,特徵、演算法;常用面的bsc 、 bbc表示;基於bsc 、 bbc理論的面的重新參數化方法; bsc 、 bbc理論在面的重新參數化和實體中的應用。論文分為六個主要部分。
  8. It is not hard to conclude that the theory can also be used to solve the problem of reparametrization of curves and surfaces. the fifth part is the expression of normal curves and surfaces in the form of bsc and bbc. the last part involves the applications of the theory of bsc and bbc curves and surfaces in the field of reparametrization of curves and surfaces and entitative modeling

    主要研究bbc函數的構、表示和性質, bbc面的表示方法,面的參數方程以及它們的性質和特徵, bbc面b zier面的關系, bbc面的相關演算法;第四部分是tbsc和tbbc面理論,涉及tbsc和tbbc函數的概念, tbsc和tbbc面的方程及其與b樣條面以及b zier面的關系;第五部分是常用面的bsc和bbc表示;第六部分是bsc和bbc面理論在面重新參數化中的應用和實體中的應用。
  9. Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account

    依照宋代《營法式》建了抬梁式殿堂木結構構件及結構模,對中國古代木結構中的典如:柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構機理及結構功能進行了量化分析和實驗研究: (一)通過木柱石礎靜摩擦試驗,測定了柱腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結構荷載變化的規律; (二)通過單柱承載力試驗,測定了古建築中木柱的受力變形特徵、破壞模式、及模材料的變形模量、極限承載力、極限變形等參量; (三)通過柱架低周反復荷載試驗,測定了柱架的抗側移剛度、柱架恢復力特性及滯回、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載力和極限變形、及榫卯減振參數; (四)通過斗?低周反復荷載試驗和受壓試驗,測定了古建築木構件與木構件間摩擦系數,斗?抗側移剛度,斗?恢復力特性及滯回,斗?抗壓極限承載力及受力變形規律; (五)通過抬梁式殿堂間架模振動臺試驗,測定了殿堂木構架結構自振周期,地震反應振形、阻尼特性及阻尼比;按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量,對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定量分析。
  10. In this paper, thermal evolution history of organic matter of the source rocks and hydrocarbon generation history have been researched by tti method, hydrocarbon migration direction and migration times were probed combining with the area structure development feature ; distribution pattern of the main reservoir intervals on lateral and longitudinal have been predicted by researching on development feature and control factors of the reservoir intervals, the actions of reservoir conditions in hydrocarbon accumulation and bearing also were probed combining with pore evolution feature ; the micro - pore feature of regional cap and direct seal in carboniferous - lower triassic in this area have been determined with micro - capillary pressure curve and intrusive mercury curve ; the prospecting districts have been pointed out combining with the hydro - geologic feature, the potential reservoirs were classified according to trap types in this area, the author attempt to evaluate on the hydrocarbon - bearing condition in the str ata of carboniferous ~ lower triassic from hydrocarbon generation and migration reservoir condition, reserved condition etc, and predict the reservoir types and hydrocarbon - bearing patterns combining with the structure evolution. based on above, the author point out that the central block of chenghu - tuditang synclinorium and the southern block of dangyang synclinorium are the advantageous regions for exploration

    本文用tti方法研究了烴源巖有機質的熱演化史和油氣生成史,並結合區內構發育特徵,探討油氣在區域上的運移方向和在時間上的運移期次;通過對儲集層段的發育特徵和控制因素的研究,預測了本區主要的儲集層段在橫向上和縱向上的分佈規律,並結合孔隙演化特徵,探討儲集條件在油氣聚集成藏中的作用;利用微毛細管壓力法和壓汞法,對石炭系?下三疊統的區域蓋層和直接蓋層的微孔隙特徵進行了定量評價,並結合水文地質分佈特徵,指出有利於油氣保存的地區;根據區內存在的各種圈閉類,對可能存在的油氣藏進行了分類,並試圖從油氣的生成與運移、儲集條件、保存條件等方面,動態地綜合評價石炭系?下三疊統油氣成藏條件,並結合構演化特徵,預測其油氣藏類和成藏模式。
  11. After studying a lot of documents of computer - graphics and computation of geometrical, based on nurbs, which is a pop expression to describe curve and surface, the author put forward a method ? ? to identify bad point by most excursion, to illustrate how to choose smooth base plane, which is not referred in most documents, and to introduce optimize method of operational research to combine surfaces, especially for surfaces combination with vertex, and improvement of combination effect

    在解決多面有角點的拼接問題中引入了運籌學的優化方法,改善了多面拼接的效果,而且在ugii軟體的基礎上,用visualc + + 、 ug / openapi進行二次開發,加入了壞點剔除,光順,面片之間的拼接等功能,很好的解決了反求工程中所遇到的問題。
  12. In this thesis, four types of steel beam - rectangular cfst column connections, including normal welded flange plate ( wfp ) connection, bolted flange plate ( bfp ) connection, stiffened end plate ( sep ) connection and double split - tee plate ( dst ) connection, were designed based on the configuration of steel frame connection. total 8 models, 2 models of each kind of connections were tested under low - reversed cyclic loading at the end of cfst columns. the relationships between force and displacement at the end of columns, the relationships between the moment and rotation of the joints, degradations of strength and stiffness, ductility, failure mechanism and failure characteristics of these four connections under different axial - compression ratios were presented

    本文借鑒鋼框架節點構,設計了四種類矩形鋼管混凝土柱與鋼梁連接節點,包括常規栓焊( wfp )節點、翼緣全螺栓連接( bfp )節點、雙t板連接( dst )節點以及加勁端板連接( sep )節點,進行了四類節點8個模試件在柱端低周反復荷載作用下的抗震性能試驗研究,比較了不同軸壓比下節點的滯回性能、強度與剛度退化、延性、破壞機理與破壞特徵,主要結論有: 1 、節點的位移滯回與轉角滯回為塊分佈,沒有或略有捏攏現象,耗能能力強; 2 、軸壓比對節點滯回有顯著影響,全部節點都有顯著的剛度退化; 3 、位移與轉角骨架在峰值荷載後有較長的水平或下降段,具有良好的延性性能; 4 、從整體抗震性能上看,翼緣全螺栓連接節點、雙t板連接與加勁端板連接節點都優于常規栓焊節點,可在實際工程中加以推廣。
  13. This paper puts out the edge shapes curvilinear equations, of the edge shapes of double circular gear hob, and analyzes the tooth surfaces characterist. it also points out that the gear hob is a kind of approximate shape building cutting too ls in the whole course of using

    本文提出了直槽雙圓弧齒輪滾刀刃形方程式,並進一步分析了該滾刀的齒面特性,指出該滾刀從整個使用過程看,是一種近似的刀具。
  14. Abstract : this paper puts out the edge shapes curvilinear equations, of the edge shapes of double circular gear hob, and analyzes the tooth surface ' s characterist. it also points out that the gear hob is a kind of approximate shape building cutting too ls in the whole course of using

    文摘:本文提出了直槽雙圓弧齒輪滾刀刃形方程式,並進一步分析了該滾刀的齒面特性,指出該滾刀從整個使用過程看,是一種近似的刀具。
  15. According to the abundance well logging, mud logging and core analysis data, gaotaizi reservoir has been classified into four sand group with the principle of cycle comparison and classified control. based on the detailed study of lithologic character, sedimentary structure, paleontologic fossils, depositional sequence, rock association and logging data, the microfacies of the studied area are divided into such seven types : subaqueous distributary channel microfacies ; river mouth bar microfacies ; subaqueous interdistributary channel microfacies ; subaqueous crevasse channel microfacies ; subaqueous natural barrier microfacies ; distal bar microfacies ; delta front sheet sand microfacies. the characteristic of each sedimentary microfacies are described detailedly

    通過研究大量測井、錄井資料和巖芯資料,依據「旋迴對比,分級控制」的原則,把研究區高臺子油層劃分為g 、 g 、 g 、 g四個砂層組。通過對研究區巖性、沉積構、古生物、沉積序列、巖石組合及測井特徵進行研究的基礎上,認為研究區高臺子油層屬於三角洲前緣亞相沉積,並將研究區沉積微相劃分為:水下分流河道、河口壩、水下分流河道間、水下決口扇、水下天然堤、遠砂壩、席狀砂等七種微相類
  16. 3. by using the dual concept between points and planes in 3d projective space, two classes of developable surfaces on c - b zier curve are constructed. the former is as a envelope of one - parameter plane family

    Zier上可展的方法:一個是作為單參數平面族包絡面的可展面構,另一個是作為脊的切面的可展面構
  17. Based on summary and analysis of cad technology, computer graphics, 3d modeling method, development environment and database technology, this dissertation has made researches and practice with the emphasis on the following several aspects : 1 ) the development of 3d modeling technology of cad experiences wire frame modeling, curved surface modeling, solid modeling, parameterized modeling and variable modeling. the technologies of different period are usually coexistent and not exclusive in concrete software products

    鄭州大學碩士學位論文第11頁在對cad技術、計算機圖形學、三維方法、開發環境、數據庫技術等進行綜述分析的基礎上,本文著重對以下幾方面內容作了研究及實踐: l ) cad三維技術經歷了、實體、參數化及變量化技術等五個階段,不同階段的技術在具體軟體產品中往往是並存的,而非排它的。
  18. According to the simulation result, the characteristics of tooth profile such as undercut and convexity of pitch curve of the machined gears could be analyzed and judged, so that a sort of intuitive judgment method was provided for designing and manufacturing of externally meshed noncircular gears with closed pitch curve

    根據模擬圖形結果可以分析和判斷所加工的非圓齒輪的齒形特徵,從而為設計和製封閉外嚙合非圓齒輪提供了一種直觀的判斷方法。
  19. A new lom process, in which the slice sheet is cut along the tangent of normal section line in z - axis direction, is proposed to reduce the theoretical manufacturing error and remaining material quantity

    為減小誤差,提出了新lom方法,即沿過分層板中點面z向法截的切切割分層板。
  20. Modeling surface is approached by stair up of lines in the current lom process, so theoretical manufacturing error and remaining material quantity are greater. the higher precision and lower remaining material quantity are ensured by using the thinner slicing thickness

    本文指出現有lom方法由於用直臺階逼近面,因而原理加工誤差大,殘留加工量多,必須使用較薄的分層厚度來保證較高的精度和較小的殘留光整加工量。
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