構造實體幾何 的英文怎麼說

中文拼音 [gòuzàoshítǐjīhé]
構造實體幾何 英文
co tructive solid geometry
  • 構 : Ⅰ動詞1 （構造; 組合） construct; form; compose 2 （結成） fabricate; make up 3 （建造; 架屋） bui...
  • 造 : Ⅰ動詞1 （做; 製作） make; build; create; produce 2 （假編） cook up; fabricate; concoct 3 [書面語...
  • 實 : Ⅰ形容詞1 （內部完全填滿 沒有空隙） solid 2 （真實; 實在） true; real; honest Ⅱ名詞1 （實際; 事實...
  • 體 : 體構詞成分。
  • 幾 : 幾代詞1. （多少, 用於詢問數量和時間） how many 2. （表示不定的少數目） a few; several; some
  • 構造 : structure; construction; constructional detail; tectonic; structural; makeup; anatomy; constituti...
  1. And by a machine configure file, the general postposition process is dealed with. at last, from the view of software engineering, the structure of this system is introduced. according to the achievements, nc automatic programming for noncircular surface gringding based on acis is successfully developed. the result of application shows that it is satisfying

    在上述研究成果的基礎上，設計了基於acis幾何造型平臺的非圓曲面數控磨削自動編程系統的總體結構，同時，運用面向對象的設計方法，開發了基於acis的非圓曲面數控磨削加工自動編程系統，並運用於實際生產，性能穩定，效果良好。
  2. Based on analysis and compare of all kinds of precept - sorting of feature of plastic product for the different structural plastic product, a 3d feature library of plastic product was built on the platform by integrating feature - modeling technique with parametric technique. the feature schleps its information of non - geometry by database - externed technique of the entity. after building the database of plastic material, the module of choice of plastic material is developed by technology of odbc

    針對不同結構類型的塑件，在全面分析、比較塑件特徵分類的各種方案的基礎上，採用三維特徵建模技術和參數化技術，建立了注塑產品的三維特徵庫；應用實體擴展數據庫技術，使特徵攜帶非幾何信息；再在建立塑料物性數據庫的基礎上，採用odbc技術，開發了塑料材料選擇模塊；通過塑件特徵的調用和人機交互輸入參數的方法進行塑件三維造型，再把塑件的三維實體和塑件的非幾何信息結合起來，生成塑件全信息模型。
  3. Constructive solid geometry

    構造實體幾何
  4. A quick visible algorithm based on dynamic constructive solid geometry reconstruction

    基於構造實體幾何模型動態重構的快速顯示演算法
  5. The paper presents several aspects in partition rectification and visualization of raster image. adopt technology of visualization for scientific calculation, vector diagram of deformation 、 contour chart of deformation and drawing of three - dimensional are realized. delaunay tin in view of deformation feature is constructed on base of selected grid control points and methods and mathematical models for partition rectification are realized based on the delaunay tin. software of geometric rectification for large scales are realized and applied in project

    本論文針對柵格影像的變形可視化及分塊糾正展開研究，取得了以下幾方面的研究成果：一、採用科學計算可視化技術，繪制變形矢量圖、變形等值線圖和三維效果圖，實現了柵格影像變形特徵的可視化；二、提出了在格網控制點（ gcp ）數據基礎上選擇性構造顧及變形特徵的delaunay三角網，並基於構造的三角網實現了分塊糾正的方法和數學模型；三、採用vc編制了影像幾何糾正軟體，實現大比例尺掃描地形圖的糾正，並在工程中得到應用。
  6. This paper, based on normalizing well logging data while drilling and correcting depth into true vertical depth and calculating reservoir parameters and etc, combining the practical ease of mobei oilfield, extracted logging and geological pattern characteristic of target oil - gas formation and geosteering mark formation, and used bp neural network and regressive analysis to create predicting mode of geosteering parameter to build relevant contrast curve ; adopted geometry geosteering method to fix on die drilling direction of bit upper and declination, the position in reservoir, to judge the real drilling case. all finely solved the problem to follow the geological target while drilling for three horizontal well these methods improve the drilling horizontal well ability by using the techniques to follow the geological target while drilling, and then it is convenient and practicable

    本文在開展隨鉆測井資料的標準化和斜井校正及儲層參數解釋與含流體性質判釋等工作的基礎上，結合研究工區莫北油田的實際情況，提取了目標油（氣）層和導向標志層的測井地質模式特徵，並採用bp神經網路法和回歸分析法建立了地質導向參數的預測模型、構造了相應的對比曲線；採用幾何導向法確定鉆頭上下傾鉆進方向及其在目標層的位置，以判斷實際鉆進地層情況，很好地解決了研究工區三口水平井的隨鉆跟蹤地質目標的問題。
  7. According to the architectural design of shanghai waigaoqiao foodstuff storage and dock establishment, it is explored how technique corresponds with art in the industrial architectures from several aspects such as exterior colony space, architectural sculpt and colour

    摘要結合上海外高橋糧食儲備庫及碼頭設施項目的建築設計實踐，從庫區的群體建築空間、建築造型及建築色彩幾個角度，對工業建築的工藝、結構等技術要求如何與建築藝術加以契合進行了一定的探索。
  8. The paper presents the geometry method of transformation between 2d pattern and garment surface based on the principle of designing developable surface according to requirement. the data of characteristic curve of body model and 2d pattern are measured. 2d pattern is obtained by draping cutting on the body model. in this way, the developable garment surface is designed based on 2d pattern

    以服裝立體裁剪所獲得服裝衣片結構線二維數據與人體模型特徵線三維數據為基礎，依據按已知條件構造可展面理論，研究在定長映射下服裝衣片與服裝曲面之間轉換的幾何學方法，進而實現服裝曲面二維向三維的變換。
  9. Based on the feature technology and object - oriented mechanism, we found the manufacture - oriented three levels ( namely part, feature and geometry ) model of mechanical part and the resource model ; secondly, we realize the concurrent design of mechanical part and process through decomposing cycle, and then we constitute the evaluation guidelines on the basis of evaluation strategy of levels, which carry out from two levels ( part and feature ) and four phases ( part rough evaluation, feature rough evaluation, feature detail evaluation and part general evaluation ) ; thirdly, we put forward some evaluation methods according the evaluation guidelines, which include the rule - based process evaluation method, rule - based and fuzzy evaluation - based method associated with resources, case - bas ed and feature - based cost estimation method ; at last, we give a manufacturing - oriented evaluation system of rotating mechanical part, which validate the evaluation guidelines and method of the dissertation useful and practical

    以特徵技術為基礎，面向對象的編程機制為手段，建立了面向製造的三層次（即零件層、特徵層、幾何層）零件模型；同時進行了面向製造的資源建模。第二，通過細化循環，採用分層遞階的評價策略，分兩層（零件層和特徵層）四個階段（零件初評價、特徵初評價、特徵詳細評價和零件總體評價）建立可製造性評價指標；第三，以評價指標為基礎，分別提出了基於規則的結構工藝性評價方法、基於規則和模糊綜合評判定性和定量相結合的加工可行性評價方法、以及基於實例和特徵的加工成本估算方法；最後，以solidworks為開發平臺， vb6為編程工具，初步構建了面向製造的回轉類零件可製造性評價系統，它們驗證了本文評價指標和評價方法的實用性和可行性。
  10. Based on tree data structure, the cartesian grids about 2 - d and 3 - d configurations are generated using the surface - cutting procedure. in the course of grid generation, a two - step ray - casting algorithm to excluded cells inside the body and a cell - merging technique to avoid numerical instability are fully developed. after creating these surrounding grids, the cell - cutting algorithm is designed to perform geometry - based refinement of grids, and greatly improve the applicability and quality of grid generation

    採用物面切割，基於叉樹數據結構，發展了一種普遍適用於二維和三維外形的直角切割網格生成方法；構造兩步射線求交演算法，刪除外形內的固體網格，以及小網格合併演算法，確保網格質量和流場計算的穩定性；運用對任意網格的切割細分演算法，實現了針對幾何外形的自適應網格加密，使得網格生成更具普適性和靈活性。
  11. Abstract : a new data structure that one link - list was composed of polygon - surface table, edge table and vertex table was proposed to describe the geometry information and topology information of control polyhedron m in the rese arch of modeling with closed surface. compared with other structures which were a pplicable to the work, the structure was understandable, economize and conveniently to modify. after describing the detail of the geometry information, topology inf ormation included in the tables of polygon - surface, edge and vertex, and the poin t - link form of the adjacency multilist between the tables, a concise instance was given in clanguage array

    文摘:介紹了在閉曲面造型研究中，為描述控制多面體m的幾何信息和拓撲信息而設計使用的一種單鏈三表的數據結構.與其他適用與描述控制多面體的數據結構相比，該結構在結合了鄰接多重表方法后的特點是:關系描述清楚，節省存儲空間，方便查找和交互修改形體.在介紹單鏈中三表（面表、邊表、頂點表）所含的幾何信息細節、以及單鏈的三表之間的表示面、邊、頂點拓撲關系的指針的鄰接多重連接方式之後，本文給出了以c語言數組方式簡明描述的數據結構實例
  12. So the instruction and edition of geometric figure and the instruction of the multiple viewport can be realized using vc + +, it can deal with the developing of interactive interface, the processing of image files, the accessing of the database and etc. finally, adopting the object - oriented technique, the system makes good use of 1the encapsulation, inheritance and reusability of the class

    用opengl編寫核心代碼實現了幾何形體的構造、編輯和多視口顯示窗口的武漢理工人學碩土學位論文創建，用vc完成了交互界面的開發，圖像文件的處理、數據庫的訪問等。
  13. For surgery tools models, this dissertation presents an algorithm to transform models constructed in solid modeling system to the developed virtual system in which surgery tools models can be constructed conveniently, accurately and parameterizely. the constructed models can have high level third dimension effect. for slice - imagings, this dissertation gives an algorithm for rebuilding solid model from triangulated patch surface model and the rebuilding processing function as an important function in reverse engineering has been added to 3d - modeler system, which is a feature solid modeling system developed by cad lab of dut, so the reconstruted bone model can be further processed in the cad system

    研究了實體幾何模型向三維表面模型的轉化，針對手術規劃及模擬教學系統中的醫療器械模型，提出了一種利用三維實體造型系統構建實體模型，然後轉化為本文虛擬系統所支持的表面模型的方法，能夠方便、精確和參數化地建立模型；針對斷層掃描圖象，給出了基於ct圖象反求技術進行實體幾何造型的主要步驟，以使骨骼模型能夠在本研究所開發的特徵造大連理工大學博士學位論文型系統3dm 。
  14. According to three dimension braided composites for braided technology - four - step and technology - two - step procedure, and with reference to theories of braided fabric geometry and force models, a geometric model is built. in this model, the cross - section of thread is described as a circle and thread path as a cubic b - spline. braided - fabric structures in three dimensions are displayed by using solid - modeling techniques

    本文三維編織物根據四步法和二步法編織工藝，從紗線的力學模型出發，建立了以圓形近似描述紗線的截面形態，以三次b樣條曲線近似描述紗線的屈曲形態的織物空間幾何模型，利用計算機三維實體造型技術，分別建立各自的編織物實體模型，用來模擬織物內部各紗線的空間位置，完成織物結構模擬。
  15. On the basis of analysis of digital city research framework and existing 3d urban model, this paper researches mainly the techniques of building model based on csg in digital city

    本文在對數字城市的研究體系和三維城市模型進行分析的基礎上，著重對數字城市建築物的構造實體幾何（ csg ）建模方法進行了研究。
  16. In this thesis, at first every geometry model of vmt ' s component is designed by the principles of object oriented programming ( oop ), and then the vmt is constituted through csg

    本文運用面向對象建模技術建立了虛擬機床各部件的三維模型，然後以構造的實體幾何法（ csg ）構造出整個虛擬機床幾何模型。
  17. Iges and step standard format and the sat format which is used in acis has been studied. according to the characters of different parts and the characters of different machine tools, a method of grinding for non - circular surface is researched, a new strategy and algorithm of non - circluar surface nc griding which based on acis is studied. a way of non - circluar surface internal grinding is realized as well as the way of non - circluar surface external grinding

    論文的研究包括了以下幾個方面:研究了三維幾何造型引擎acis平臺及其拓撲結構，探討了iges和step等產品數據交換標準格式和acis中的sat文件格式的異同;根據零件的加工特徵和機床的結構特點，研究了在內圓磨削和外圓磨削方式下，非圓曲面磨削的數控編程技術;提出了基於acis實體造型的任意非圓曲面零件的數控磨削新演算法;實現了以實體造型為基礎的任意非圓曲面零件的內圓和外圓數控磨削;根據零件的特徵和磨削方式，生成了相應的走刀路線;實現了針對不同機床的後置處理。
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