撐曲面 的英文怎麼說

中文拼音 [chēngmiàn]
撐曲面 英文
strut curve
  • : Ⅰ動詞1 (抵住; 托住) prop up; support 2 (用篙使船行進) push or move with a pole 3 (支持) mai...
  • : 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...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  1. The subject for different process technology and surface treatment of crank takes tracking checkout for its internal stress, analyses relation of jumping measurement, deformation measurement, recovery measurement and stress change, finds the reason and usual law of jumping overproof of crank. through cold pressure alignment, hot pressure alignment, support aged alignment and so on methods for 42crmo steel crank, the subject checks change of stress in the process of alignment and change of tissue and property after alignment for crank, and gives comprehensive evaluation for every alignment technology, then give safe and feasible technology parameter

    本課題主要是對不同加工工藝及不同表處理過程的軸,對其內應力進行跟蹤檢測,分析各工藝過程中跳動量、變形量、恢復量與應力改變的關系,找出軸跳動量超差的原因和一般規律。通過對42crmo鋼軸進行「常溫壓力校直」 、 「熱壓力校直」 、 「支時效校直」等方法的校直,檢測校直過程中軸應力的變化及校直后組織和性能的改變,進而對各校直工藝進行綜合評價,給出安全可行的工藝參數。
  2. A brief introduction to the project and its main results are as follows : overall considering the feature of the force from two couple support wheels 6 formulas of calculating the push force, support force and moment of tpih have been concluded

    主要內容和結果如下:在全考慮兩對支輪作用下加熱彎管過程受力特點的基礎上,推導出了加熱彎管彎時推力、彎矩、支力等6個計算公式。
  3. From the feature of the force and deformation of the tpih, 5 different elements are used to mesh the different zones of the tube, which are structural beam 3d elastic 4, structural pipe plastic straight 20, structural pipe elastic elbow 18, structural shell elastic 4 node 63 and contact 3d pt - to - surf 49 ; the contact problem is assumed to be flexible - to - flexible ; the temperature field is assumed to be body load. a mechanical model corresponding to reality has been established for numerical simulation. based on the above, the 3 - d fem numerical simulation of tpih has been carried out by using the ansys program

    針對加熱彎管過程的受力和變形特點,採用三維梁單元、三維塑性直管單元、三維彈性管單元、三維殼單元與三維點對接觸單元等5種不同的單元分別對管毛坯不同區域進行劃分,並對接觸單元採用柔體-柔體的處理方法,將溫度場作為體載荷處理,建立了符合實際的加熱彎管問題數值模擬力學模型:在此基礎上,應用商用軟體ansys對加熱彎管過程進行三維有限元模擬與研究,獲得了成形時推力、彎矩、支力大小及其變化趨勢。
  4. The major advantage compared with the traditional finishing methods is that magnetic abrasive does not need any support and its shape can be modified by the surface of work piece, which determines that magnetic abrasive finishing can be used to finish all complex surface, including inner surface

    磁力研磨加工與傳統的研磨方法的根本區別在於磁性磨料不需要支架的支,而且磁性磨料能夠隨著工件形狀的變化而變化,因而適合於加工包括內圓在內的各種復雜
  5. Results : the results showed that children had similar adaptation features as adults that they adjusted to treadmill walking with shorter stride lengths, shorter single - support phases, longer double - support phases, greater hip flexion and ankle dorsiflexion at heel strike, smaller variability of intra - limb coordination and higher physiological costs than during overground walking ( p < 0. 005 )

    結果:研究結果顯示兒童和成人有相似的適應特色,他們在跑步機上行走時會比在地上行走時以較短的步長、較短的單腳支期、較長的雙腳支期、于腳跟著地時有較大的髖關節彎和踝關節背角度,較小關節間協調之變異性以及比較高的生理消耗來適應。
  6. The traditional way of sandstone correlation based on the geometrical similarity of well - logs which emphasizes " based on the cycle and correlating from larger to smaller " has shown its theoretical limits when explaining the correlating and the scale, geometry, continuity, connectivity of sandstones and the law of the reservoir property. it has been an urgent and difficult subject to find new theory and methods to solve the reservoir correlation and property prediction. it ' s a new way to correlate strata and found framework of reservoir through the process - response analysis in the base - level cycles

    儲層骨架模型是建立儲層地質模型的前提和關鍵,建立在測井線相似性基礎上的傳統「旋迴控制,分級對比」原則在進行高含水期精細對比時表現出地層學理論依據不足,在解釋小層段的砂體對比方,在解釋不同層位砂體規模、形態、砂體連續性、連通性和儲層物性的變化規律方缺乏有力的理論支
  7. Secondly, in this part, we will introduce the notation of average geodesic curvature for curves in the hyperbolic plane, and investigate the relationship between the embeddedness of the curve and its average geodesic curvature. finally, we will employ the minkowski ' s support function to construct a new kind of non - circular smooth constant breadth curves in order to attack some open problems on the constant width curves ( for example, whether there is a non - circular polynomial curve of constant width, etc. ) in the second part, we will first follow the ideas of gage - hamilton [ 28 ], gage [ 26 ] and the author ' s dissertation [ 47 ] to present a perimeter - preserving closed convex curve flow in the plane, which is from physical phenomena

    其次,對雙上的線引入平均測地率的概念,並討論雙上凸線的嵌入性與它的平均測地率之間的關系,其目的是為了將雙線的性質與歐氏平線的性質作一些對比;最後,我們利用minkowski支函數構造了一類新的非圓的光滑常寬線,其目的是想回答有關常寬線的一些未解決問題(如是否存在非圓的多項式常寬
  8. 2 ) for making the meshes consistent on the common boundaries of adjoining surfaces, a new approach of boundary discretization is employed. 3 ) the boundary - representation structure is adopted to fulfill the mesh generation over combined surfaces. 4 ) the quality of surface meshes is improved by point creation on 3d scan lines and diagonal swapping procedure

    通過引入可移動的虛邊界解決了閉合的剖分問題;通過對鄰接公共邊界的統一處理,保證了組合拼合處網格的相容性;以邊界表示數據結構為基礎實現了三維組合的全自動網格剖分;採用空間掃描線布點、診斷交換等技術,優化了網格的質量;並以autocad為支平臺objectarx為開發工具,開發了一個基於幾何造型的三角形網格全自動生成程序。
  9. This report is composed of two main parts, one concerns some geometric inequalities about curves and an application of the minkowski ' s support function, the other deals with the perimeter - preserving flow of closed convex curves in the plane and an application of the curve shortening flow on surfaces

    本文主要由兩個部分組成,第一部分涉及線的一些不等式以及minkowski支函數的一個應用;第二部分討論歐氏平上閉凸線的保長度流和線縮短流的一個應用。
  10. At first, the author clearly defines intension of urbanization. then the author constructs the theory supporting of the thesis from six respects, including curve of s form of urbanization, location theory, structure theory, migration theory and polarization theory

    論文首先明確了城鎮化和農村城鎮化的內涵,然後從城鎮化發展的s型線以及區位理論、結構理論、人口遷移理論、極化理論幾個方構建全篇的理論支點。
  11. It is found that initial brace deflections have significant effect on the stiffness and strength requirement which are interdependent ; and there is a very unfavorable interaction between lateral braces and columns imperfections. the calculating simplified model of this paper is not same with that of the former references. although this model is correspondingly conform to actual thing, the formula of lateral braces will be applied to practice after it is proved by experimentation

    首先研究了完全理想情況下,得出了時柱計算長度減至一半所需的剛度;接著綜合考慮了柱子和桿的彎,利用有缺陷桿的軸壓切線模量概念和分枝屈理論,考慮屈前變形和內力的影響,同時用ansys有限元軟體進行分析,得出了同時考慮桿的剛度和強度的計算積和桿設計內力的公式。
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