geometric construction 中文意思是什麼

geometric construction 解釋
幾何作圖；幾何構造
  • geometric : n. 有幾何圖形的東西。adj. 1. 幾何學的，幾何圖形的。2. 按幾何級數增長的。adv. -rically
  • construction : n 1 建築，結構，構造，架設，鋪設；建設；設計；工程；建築法，構造法，建築物；【戲劇】搭置，布景，...
  1. Calculation of cable forces under construction for cable stayed bridges considering structural geometric non - linearity

    計入幾何非線性影響的斜拉橋施工索力的確定
  2. A space geometric non - linear static finite element analysis program about the long span plate - truss composite cable - stayed bridges is presented. not only it can be used to solve the space static analysis about the state of the dead load configuration ( geometry and internal forces ), but also it can be used to analyze the internal forces and deformations of the whole construction course

    基於以上理論，並結合斜拉橋的施工過程，編制了大跨徑斜拉橋的空間幾何非線性靜力分析程序，既可用於斜拉橋成橋狀態的空間靜力分析，也可結合斜拉橋的具體施工過程，進行施工過程中的內力與變形狀態的跟蹤分析。
  3. The static analysis of the long span plate - truss composite cable - stayed bridges. first, the cr formation on the geometric non - linear structural analysis is introduced. next, the structural discretization of cable - stayed bridge, the stiffness matrix the formation of nodal force and the simulated construction system are introduced

    首先介紹了本文採用的桿系結構幾何非線性問題的分析方法? cr列式法，其次介紹了板桁結合斜拉橋的結構離散及桿單元、梁單元的剛度矩陣以及節點力的形成方法，然後介紹了斜拉橋施工模擬體系的形成。
  4. Parameter form becomes mainstream of geometric design because of characteristic such as : simple construction, easy computation, etc. while near 20 years research illustrates implicit form has advantage that parameter one has n ' t. in this paper only the application and properties of implicit curves in cagd have been researched

    參數形式以其構造簡單，計算容易等特點而流行於世並成為幾何設計的主流，然而近20年的研究與使用經驗表明隱式形式也有參數形式無法比擬的優點，本文僅就隱式曲線在計算機輔助幾何設計中應用及性質進行了分析和研究。
  5. The geometric construction for indexable form mills

    可轉位成形銑刀的幾何造形
  6. In two - view case, a method is presented for calculation 2d projective transformation and construction the virtual elements by combination of spatial points and lines. so more 3d invariants of object ' s spatial structures can be extracted from real elements and virtual eleme nts. ( 3 ) the geometric characteristics of 2d symmetric objects " in perspective images are lucubrated

    （ 2 ）擴展了2d射影變換矩陣的求解方法，將單純利用點集對應的計算模式擴展到利用直線集、點線組合等多種類型來建立兩個射影平面的對應關系；總結了平面上基於點、直線元素可求解的多種3d不變量；提出了雙視圖下由點、直線元素的多種對應關系求解2d射影變換來構造「虛元素」的方法，結合「實元素」和「虛元素」可以提取更多的空間3d不變量。
  7. Then, author introduces geometric nonlinear analysis theory, geometric nonlinear calculation theory during construction period, load position of live load considering geometric nonlinear and calculation theory of worst - case value, static time history theory for vehicle running, geometric nonlinear analysis theory of natural vibration and structural dynamic reaction and so on. all of these theories fit any appointed structure with corresponding programs. so a series of completed analysis approaches that cover all geometric nonlinear factors of bridge structure are formed

    其次，介紹了對任意指定結構的幾何非線性分析原理、施工階段幾何非線性計算原理、考慮幾何非線性的活載加載位置與最不利值的計算原理、車隊行駛靜力時程分析原理、非線性結構的自振特性和結構動力反應分析原理等，其中包含了相應的計算程序模塊的編制方法，形成了一整套考慮橋梁結構所有幾第日頁西南交通大學博士研究生學位論文何非線性因素的橋梁結構分析方法。
  8. Construction of geometric partial differential equations in computational geometry

    計算幾何中幾何偏微分方程的構造
  9. Basing on the research of the geometric continuous condoition of two patches, this paper gives a method for merging two bezier surfaces with the construction of transition band which improves the result of liu ding - yuan and hu kang - sheng

    摘要在研究兩曲面片間幾何連續條件基礎上，給出了運用構造過渡曲面片來光滑地連接兩相鄰曲面片的一種方法，所得結果是對劉鼎元，胡康生等研究成果的改進，並給出了本演算法的試驗結果。
  10. In the second chapter, a wideband mimo channel model with multiple - tap was integrated according to the angle of departure of the transmitting signal and its spread angle, the angle of arrival of the receiving signal and its spread angle, power azimuth spectra, doppler spectrum and the geometric construction of antenna array both sides of transmit and receive, on the basis of full research on the theories of space - time channel model proposed in the recent literature

    第二章在對最近文獻中提出的一些空時通道模型理論進行詳細研究的基礎上，根據發射信號的離開角及其擴展角、接收信號的到達角及其擴展角、功率方位譜、多普勒譜和收發兩端天線的拓撲結構，綜合了一個多抽頭的寬帶mimo通道模型。
  11. Structural analysis using ansys was also performed to extract the influence of geometric design of subgrades on the responses of pavement structures, especially in cut - fill transitional section over longitudinal profiles and in cross sections. the determination of pavement materials as a result of traffic accumulation, environmental influence, and / or poor construction quality was investigated through the analysis of critical responses

    結合實際交通軸載，全面分析了超載車輛對路面破壞的影響，同時還針對路基斷面型式、填挖過渡，施工質量、環境作用、材料退化等因素對路面關鍵響應的影響進行了分析。
  12. The buddhist pagodas borrowed their plan of construction from the geometric grid of the mandala used for constructing temples in india

    佛教借鑒了印度廟宇建築的幾何規格來建築曼荼羅（壇場） 。
  13. In this thesis, three factors resulting in geometric nonlinearity are taken into account, then using plane frame method and based on plane bar finite element, nonlinear analysis to the construction of cable - stayed bridge is achieved

    考慮幾何非線性的三個影響因素，然後利用平面框架模型，以平面桿系有限元法為基礎對斜拉橋施工進行非線性分析。
  14. Aiming at main project of the xiaoxihu bridge, a low pylon cable - stayed bridge, based on the existing theory and method of the bridge construction controlling theory, using the basic function of " ansys ", farther exploitation was done on concrete elasticity and creep calculating distinguishingly, nonlinearity analysis theory was used to construct the space model, the main beam, string pylon and abutment were simulated by the beam elements which was considered the shearing effect. which is worthy of considering that using the geometric non - linear truss elements to simulate the stayed - cable, form traveler is modeled as structure elements and participate in stress analysis. four stages are used to model the construction stage, which are : ( 1 ) the erection of form traveler ; ( 2 ) placing the segmental concrete ; ( 3 ) jacking the tendons ; ( 4 ) tensioning the stay cables

    針對建設中的小西湖矮塔斜拉橋的主體工程，結合已有的橋梁施工控制的理論和方法，利用大型通用計算軟體ansys的基本功能，並著重在混凝土彈性計算及徐變計算方面做了相應的二次開發，採用非線性分析理論並建立了空間結構模型、用考慮剪切作用的梁單元模擬主梁、索塔和橋墩；用可考慮幾何非線性的桁元模擬斜拉索、施工掛藍作為結構單元進行拆裝，參與受力計算，整個施工過程按施工循環周期分為若干階段，每個階段又分為四個工況，即：空掛藍就位、澆築完畢階段混凝土、張拉預應力鋼筋和張拉斜拉索。
  15. We scan photographs of tissue slices to get 2d data and then these data are classified and transfer into 3d data which are saved into database. we do geometric construction by contour connection algorithm and render the tissue using volume data based on surface. some algorithms used widely are compared in this article and implemented in the experimental system : simulating lost datum by linear interpolation, adjusting surface profile by twice bezier interpolation, dealing with some special normalized vector

    通過掃描輸入的人體組織的切片圖象，獲得組織的二維信息，再將這些二維數據經過分類和轉換，把它們轉換成對應的三維體數據，在數據庫中保存：然後採用contourconnection演算法進行幾何重構，用三角面進行等值面擬合，實現基於等值面的體數據的三維圖像繪制。
  16. So it is not enough if we only execute linear analysis to a cable - stayed bridge ; 2 ) when live loads are distributed to full span the effects of geometric nonlinear for the structure are smaller than to two side spans or mid - span only ; 3 ) linear analysis is enough to live loads since the difference between linear analysis and nonlinear analysis to the structure is relatively small under live loads ; 4 ) the effects of every geometric nonlinear element to decision final shape parameters are very little, and the results of linear and nonlinear are nearly equal ; 5 ) under construction the effects of geometric nonlinear to cable - stayed bridges must be considered

    2 ）活載作用下，加載方式不同，非線性的影響結果也不一樣，其中按全橋滿布方式進行加載時受幾何非線性的影響最小。 3 ）活載作用下，可以用線性分析的手段對活載進行近似計算，以便減少計算量。 4 ）各非線性因素對結構最終形態確定參數的影響非常小，線性結果與非線性結果相差無幾。
  17. Secondly, a study of one kind of composite soil nailing, that is, a combination of soil nails with waterproof cement - soil mixing pile wall, was carried out by laboratory model test, the retaining structures were modeled according to a similarity rule that geometric length of the structure is in inverse proportion to deformation duration of the structure and the staged excavation and retaining was carried out during experiment to simulate actual construction procedures in situ

    其次，通過模型試驗研究了土釘與水泥土樁聯合支護型式的變形、破壞形態以及作用原理。試驗模型箱為無蓋六面箱體，內空凈尺寸長寬高為3 . 4m 1 . 0m 2 . 0m ，試驗填料為重塑土，土釘採用硬質鋁管。
  18. The thesis is based on the analysis of today ' s twin - bore tunnel research results. combined with the great scientific research project which name is the integrated construction research on the twin - bore tunnel, the 2d modeling tests are experimented in lab on ground of the three being constructed tunnels that are in the second phase of jinhua - lishui - wenzhou highway road. a geometric scale of 1 : 20 is adopted on the model in these tests

    本文在綜合分析當前連拱隧道發展的基礎上，依託地下工程系在研的重大科研項目《連拱公路隧道綜合修建技術研究》 ，以金（華）麗（水）溫（州）高速公路二期工程三座在建的隧道為實際背景，進行了室內的平面模型試驗。
  19. In this paper the g2 - continuous blending conditions of two algebraic curves implicitly defined based on the construction of algebraic curves that interpolate the geometric constraints are presented

    本文在對插值一類幾何約束的隱式代數曲線的構造基礎上，給出了這樣的隱式三次代數曲線二階幾何連續光滑拼接的條件，並給出了實驗結果。
  20. The influence caused by geometric nonlinear behaviors should be considered in forward analysis and backward analysis during construction processes. only the reasonable finished bridge state should be got by approach iteratively of forward analysis and backward analysis, the non - circled problems of the results between forward analysis and backward analysis will reach to the minimum degree

    2 ）施工階段的正裝和倒拆分析中考慮斜拉橋的幾何非線性因素影響，而且必須經過正裝與倒拆的反復迭代才能得到理想的成橋狀態，才能將正裝倒拆計算中結構的不閉合問題減小到最低限度。
分享友人
分享到 Line

分享到臉書