曲面體 的英文怎麼說
中文拼音 [qūmiàntǐ]
曲面體
英文
curved solid-
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造型工具和分析工具,正確劃分反求模型的造型區域,使用正確的曲面造型方法,對反求曲面的特徵網格線進行二次優化,並對突變曲面進行擬合再生成處理及建立合理的曲面生成順序等方法,最終獲得了仿型度和光順度都很高的反求曲面。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曲面造型技術的發展,計算機上的船體型線的描述,目前已發展成為三維曲面乃至三維曲面實體表達。與線框圖相比,三維圖形中包含的信息更為豐富,實現了計算機上船體模型的模擬。In the course of working, , the plow will make use of the shuttling method so that it can dig alternately either on the left or on the right. compared to the unilateral plow, it can improve the productivity because it can help leave off the soil 、 take from the consumed energy and reduce the empty journey. to meet the requests above, we will use a remote cylinder with both a small cubage and double functions, approximately designing the plow to be columniform and symmetric. after the experiment for a period in the field, we found that the most frayed areas had happened at the places of both plow shank and share and at the same time the base of the remote cylinder had ruptured suddenly
與單向犁相比,其優點在於:耕地無開、閉壟,地表平整,降低了耕后整地的能量消耗,減少了地頭的空行程,因而大大提高班次生產率。為了滿足犁體梭式作業的要求,我們採用了一隻小容積雙作用的液壓油缸;同時對犁壁曲面的形狀採用了近似圓柱形的對稱設計。但經過一段時間的田間試驗,我們發現:該犁犁胸部分的犁脛和犁鏵上的犁尖在工作中磨損較為嚴重;主犁梁和油缸缸體的連接部分(即油缸底座)突然發生了斷裂,造成整個犁體無法正常工作。The interface and concrete operations of the prototype system and results of machining features recognition are illustrated by examples, in which there is a typical shaft, a 2. 5d part without conicoid and a 2. 5d part with conicoid
分別以一個典型的軸類零件,一個不具有二次曲面的2 . 5維零件,以及一個具有二次曲面的2 . 5維零件為例,介紹了原型系統的界面和加工特徵識別的具體過程及識別的最終結果。So far, the main frame of the conjugation of betrand are established, on the basis of which, it is given that the primary condition the directrix line must be satisfied, the relative curvature of the conjugating surfaces, the relations between non - interventional condition and curvature axle of the directrix line, and so on. the transmission of normal circular - arc gear is a typical bertrand conjugation. in order to promote the transformation from theory to technology, the general principle of this kind of transmission is studied
為了使研究更加貼近於工程,便於解析處理,提出準面的概念,並確立由準面到準線的研究路線,給出了各種傳動形式下準面與準線的具體特徵,證明了共軛準面上兩準線的誘導測地曲率等於零的這一不干涉條件,進而指出,當準面為平行軸和相交軸傳動的節曲面時,不干涉條件自然滿足。Because traditional epistasis measure methods can only reflect the extent of interaction between all genes in the chromosome, we used correlation length analysis and epistasis measures on the fitness landscapes of schemata to test the extent of interdependence between some certain gene loci in study
針對傳統的測試基因關聯的方法只能給出染色體中所有基因位的整體關聯程度的情況,通過在模式適應值曲面上分別進行相關長度測試和基因關聯測試,以研究染色體中一些特定位之間的基因關聯程度。Due to the requirements of complex configuration of spatial curved surfaces and of continuity of fiber laying have becoming a difficult problem in cad technology for bicycle body frame of hybrid fibered compound material with multi - branch special shaped entire - body and sections of hollowed thin wall
摘要對于多分支整體異形空心薄壁斷面混雜纖維復合材料自行車車架,由於復雜的空間曲面構形和纖維鋪設連續性要求成為其cad技術難題。In addition, java3d can only accomplish the regular geometry sculpting and ca n ' t accomplish the irregular geometry sculpting. to solve this flaw, a new way of sculpting the gyre - solid and changing - section - brace by approaching the solid with small slice is put forward. at the same time, rendering and third dimension disposing are settled in this paper
另外,在系統開發過程中,針對java3d三維造型功能類中僅包含標準幾何形體的問題,這里用四邊形面片逼近曲面的方法解決了回轉體和變截面曲柄的三維建模,以及這種建模方式下的渲染和真實感處理問題。This is a good means to work with the helicoid part, it is high precision
該路線精度高,適合於回轉體零件的曲面逆向設計。Chapter 1 deals with the numerical simulation method. chapter 2 deals with the monte carlo methods. the monte carlo integration that the domain of integration is curved or complex connected curved polyhedron and the integrand has singular points is discussed in this chapter
第二章討論了用montecarlo數值模擬方法求積分區域為曲面體和積分區域為復連通曲面體的情形,且被積函數有奇異點。Normal curves on the surface of a
四面體表面上的正則曲線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曲線曲面的系統理論。主要研究bsc 、 bbc和tbsc 、 tbbc曲線曲面的構造、表示、性質,特徵、演算法;常用曲線曲面的bsc 、 bbc表示;基於bsc 、 bbc理論的曲線曲面的重新參數化方法; bsc 、 bbc理論在曲線曲面的重新參數化和實體造型中的應用。論文分為六個主要部分。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函數的構造、表示和性質, bbc曲線曲面的表示方法,曲線曲面的參數方程以及它們的性質和特徵, bbc曲線曲面b zier曲線曲面的關系, bbc曲線曲面的相關演算法;第四部分是tbsc和tbbc曲線曲面理論,涉及tbsc和tbbc函數的概念, tbsc和tbbc曲線曲面的方程及其與b樣條曲線曲面以及b zier曲線曲面的關系;第五部分是常用曲線曲面的bsc和bbc表示;第六部分是bsc和bbc曲線曲面理論在曲線曲面重新參數化中的應用和實體造型中的應用。Reconstruction of curvilinear 3d objects from orthographic views
基於三視圖的曲面體重建技術Rule - based reconstruction of curvilinear objects from orthographic views
基於規則的曲面體三維重建That gives me a sense not leave too high over water i follow, but let my kick to push me overtop that ankle position and return that long line position self
這給我一種感覺不要離開水面過高,而是踢腿推動自己從蜷曲的體態伸展到流線型的體態。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。Reconstruction of quadric surface solids from engineering drawings
基於工程圖的二次曲面體重建Then the forging blade body is formed by fitting the data of forging blade to spline and b - surface, calling the rabbet and boss, generating the draft angle. then the related parameter is calculated
將鍛件型面數據擬合成樣條曲線、樣條曲面,調入榫頭和凸臺,作出模鍛斜度,生成葉片鍛件實體,並計算了鍛件的相關參數。Clinical value of direct digital pantomography in sialography
直接數字曲面體層攝影在涎腺造影中的臨床價值分享友人