柱坐標系 的英文怎麼說

中文拼音 [zhùzuòbiāo]
柱坐標系 英文
ansys global cylindrical
  • : Ⅰ名詞1 [書面語] (樹梢) treetop; the tip of a tree2 (枝節或表面) symptom; outside appearance; ...
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  1. For the regular curves, we find two killing fields for the purpose of integrating the structural equations of the p - elastic curves and express the p - elastica by quadratures in a system of cylindrical coordinates. for the star - like affine curves, we solve the euler - lagrange equation by quadratures and reduced the higher order structure equation to a first order linear system by using killing field and the classification of linear lie algebra sl ( 2, r ), sl ( 3, r ) and sl ( 4, r ). we solve the centroaffine p - elastica completely by quadratures

    對于正則曲線的情形,我們發現了兩個用於求解p -彈性曲線的結構方程的killing向量場並用積分將p -彈性曲線在一個中表示出來,而對仿射星形曲線的情形,我們用積分方法解出了歐拉-拉格朗日方程,利用killing向量場及線性李代數s1 ( 2 , r ) 、 s1 ( 3 , r )和s1 ( 4 , r )的分類將高階結構方程降為一階線性方程,因此我們用積分完全解出了中心仿射p -彈性曲線。
  2. In the first part of the paper, the explicit form of difference equation and periodic boundary condition is derived in cartesian coordinate system. secondly, the dispersive characteristic is analyzed in cylinder coordinate system for many high power microwave devices use cylinder sws. and then the method is extended to calculate the band structure of 2 - d photonic crystal, a modified yee ’ s grid is introduced to calculate the dispersive characteristic in the case of triangular lattice, so that both square lattice and triangular lattice cases can be solved in cartesian coordinate system

    周期電磁結構的一個重要應用就是用作高功率微波器件中的慢波統,考慮到目前大部分高功率微波器件的慢波統多採用圓周期結構,在論文第四章中,在圓柱坐標系下,給出了差分方程和周期性邊界條件的具體形式,同時編寫程序,分析了milosws ,盤荷慢波結構的色散特性。
  3. Abstract : it is observed that the sommerfeld ' s formula for a progressive spherical wave is not covariant with respectro the rotation of the coordinate system. it contains complex partial waves that are not physical. the standing wave representation of the same formula is shown to be covariant and physical. it is applied to solve the boundary value problem of fiber optics. the radiation modes as well as the guided normal modes are obtained in closed forms. the intensity distribution in various modes is obtained. it is remarked that the mode of critical refraction is missing

    文摘:說明了球面行波的索末菲公式在轉動下不協變.證明了球面波的駐波表示是協變的,因而是一個物理的關式,故適用於圓中各類波動方程的定解問題.作為一個例,應用於光纖光學,導出了受導簡正模和輻射模的表達式,以及各模式的強度分佈
  4. Based on the previous work, the equations of motion and elastodynamics are changed. a high - order staggered velocity - stress finite - difference formula of the acoustic field in borehole are set up in cylindrical coordinate, and the corresponding code is accomplished

    本文在彈性波動力學的基礎上,將運動方程和本構方程作適當變形,採用交錯網格技術建立了井孔波動方程在柱坐標系下的速度?應力高階有限籌分公式,並編制了相關計算程序。
  5. At first, the 3 - d theoretical model of photothermal radiation was built in the cylindrical coordinate axes, by reviewing thermally uniaxial materials irradiated by continuously modulated beam

    先是考察將熱單軸各向異性材料在連續調制光輻照下,在柱坐標系下建立光熱輻射測量( ptr )技術的三維理論模型。
  6. In order to accurately analyze the error in the non - orthogonal coordinate measuring system, the circular cylindrical coordinate measuring system is discussed first and the formula of its number of errors is computed, and then it extends to the non - orthogonal coordinate measuring system of n dimensions arms of robots, and build its error compensation modal, which is proved to have high precision

    為了正確分析非正交機械繫統的誤差情況,本文先以柱坐標系測量統為例。分析了引起測量統示值誤差的各種機構誤差。並且分析得出其誤差項數的計算公式,然後推廣到n維機器人手臂結構的非正交機械繫統,建立其誤差補償的數學模型。
  7. Eigenequation about singularity, singular stress fields and electrical displacement fields near the interface edge are obtained under axisymmetric distortion. finally, a special finite element formulation which is based on the principle of minimum potential energy has been developed for determining the orders of the singularity of the singular stress fields around the singular point ( interface edge, interface corner and the interface crack ) in the bonded dissimilar anisotropic / anisotropic, piezoelectric / piezoelectric as well as piezoelectric / anisotropic materials. the numerical results show that this method is very convenient and efficient

    最後,從最小勢能原理出發,在僅僅考慮奇異性支配區域這一前提下,對于彈性接合材料的平面變形問題和擬平面應變問題,以奇異點為原點分別建立極和圓柱坐標系,通過分部積分消除廠項,從而使奇異性問題的求解由原來的二維降為一維;對於三維變形問題,以奇異點為原點建立球,通過分部積分消除項,從而使奇異性問題的求解由原來的三維降為二維。
  8. Thirdly, the spatial cylindrical helix is approximated by rational triangular bezier curve in cylindrical coordinate system

    再次,建立柱坐標系,給出圓螺線的三角有理b zier表示。
  9. Under the cylindrical coordinate, the transit - time effect of the radial gap in the resonance cavity of rtto is studied by hydrodynamic theory. the equation describing the interaction between the electron beam and the high frequency field is obtained

    柱坐標系統中,我們用流體理論方法分析了rtto諧振腔間隙的渡越時間效應,得到了在有限渡越角情況下電子束與高頻場相互作用的方程。
  10. Mathieu function is the base of field theory analysis in elliptical cylinder coordinate system. so, firstly, detail investigation has been given about the problem of numerical analysis of matheiu functions, based on the predecessor ' s contribution, an improved faster algorithm of numerical analysis and confirmation algorithm of matheiu functions has been presented

    Mathieu函數是橢圓柱坐標系統下場論分析的基礎,因此本文首先對mathieu函數的數值計算問題進行了詳細研究,並在前人基礎上完善並進一步改進了目前被認為較為可行的數值演算法,並提出了驗證演算法。
  11. This dissertation is mainly about the transit radiation of the electron beam passing through the gap with the random standing wave electric field. in order to satisfy the requirement of the task, the feasibility of generation of more than 1 gw high power microwave in x - band using the transit radiation oscillator based on the transit effect is studied

    研究了二維柱坐標系網格劃分演算法,並用此演算法對五腔開放腔進行網格劃分,採用時域有限差分與快速傅里葉變換相結合的方法計算了五腔開放腔/ 6 、 2 / 6 、 3 / 6 、 4 / 6 、 5 / 6模這五個模式的頻率和場分佈。
  12. Based on the navier - stockes equation, the finite difference method was applied to variance the simplified n - s equation on cylindrical coordinate system. then, 3 - d model of the spiral flow locally generated in circular pipe with steady and axial - symmetry condition was founded. the ordinary iterative method of gauss - seidel was induced

    太原理工大學碩士學位論文本文以局部起旋條件下的圓管螺旋流為模擬對象,從以速度和壓強為自變量的微分方程一navier一5tokes方程出發,利用有限差分法對柱坐標系下簡化后的n一s方程進行離散,建立定常的、軸對稱的三維計算模型。
  13. The corresponding control equation is given. the control equation and boundary condition about the addiontional small deformation ' s effect caused by initial stress using virtual principal theory in cylindrical reference frame. generalized stress and strain and equivalent constitutive equation are given

    第四章提出了描寫形薄殼中初應力的數值特徵,將應力的三維分佈轉化為二維分佈,給出相應的支配方程;在柱坐標系中,利用虛功方程建立了初應力對附加小變形影響的控制方程和邊界條件;給出了廣義應力、廣義應變及等效本構關
  14. This system can not only support the algorithm based on homography matrix, but also support automated panoramic mosaicing method based on cylindrical coordinates

    統支持基於單應矩陣的演算法和基於的全自動全景拼圖演算法。
  15. Under the horizontal earthquake action and wind force, aim at " the pure frame structure with rectangle columns ", " the pure frame structure with special - shaped columns ", " the frame - truss structure with special - shaped columns " and " frame - shear wall structure with special - shaped columns ", earthquake action analysis was done by the spacial finite element method through the changes structural parameter. analyzing systematically " structure vibration mode ", " vibration period ", " structure lateral rigidity ", " seismic action force ", " seismic response force ", " floor seismic shear force ", " lateral horizontal displacement of structure " and " members internal force ". results indicate : ( 1 ) based on equal area, the special - shaped columns replaced the rectangle columns, the structural lateral rigidity enlarges, the lateral displacement minishes obviously, the earthquake response increase slightly, the biggest increasing amount of frame columns axis - compress ratio is smaller than 0. 08. the whole aseismic performance of structure has improved ; ( 2 ) when the section ' s length and section ' s thickness ratio of special - shaped columns is smaller than 3. 6, the structure benefits to resist seismic action ; ( 3 ) the angle of horizontal seismic action with the whole coordinate is 0 degree, structure earthquake response is bigger, belonging to a control factor of structure aseismic design ; ( 4 ) the frame - truss structure with special - shaped columns and the " a " - brace has the biggest lateral rigidity ; ( 5 ) the frame - shear wall structure with special - shaped columns have bigger lateral rigidity and smaller displacement, members internal force enlarged just rightly, have much superiority of resisting seismic action ; ( 6 ) in the higher seismic fortification criterion region ( 8 degree of seismic fortification intensity ), aseismic disadvantageous building site ( iii type site ), adopting special - shaped columns structure system, should reduce possibly the building ' s self - weight in order to reduce the earthquake response ; ( 7 ) the response spectrum method of computing seismic response and the time - history analysis method have similar analysis result

    西安理工大學碩士學位論文在水平地震作用下,並考慮風荷載組合,分別對「矩形純框架結構」 、 「異型純框架結構」 、 「異型框一析架結構」及「異型框-剪結構」等四種結構體,通過改變結構參數,運用空間有限元方法,進行地震作用計算。統地分析研究「結構振型」 、 「振動周期」 、 「結構側向剛度」 、 「結構地震反應力」 、 「樓層地震剪力」 、 「結構側向位移」 、 「層間位移角」 ,以及「構件內力」 。結果表明:在等面積原則下,異型代換矩形后,結構剛度增大,側向位移明顯減小,地震反應力略有增加,框架軸壓比最大增幅小於8 % ,結構整體抗震性能有所提高;當異型肢長肢厚比小於等於3 . 6時,結構有利於抗震;水平地震作用力與整體夾角為0度時,結構地震作用效應較大,屬結構設計的控制因素之一;異型框一析架結構採用「人」字斜撐,側向剛度大於「八」字斜撐和「人一八」字混合斜撐;異型框一剪結構側向剛度大、位移小,構件內力增大適中,是一種抗震性能優越的結構體:在抗震設防烈度較高地區( 8度)和抗震不利的建築場地( m類場地) ,採用異型結構體時,應盡可能減輕結構自重,降低地震作用力;分別採用「振型分解反應譜」法和「時程分析」法進行地震作用計算,兩種方法所得結果基本一致。
  16. Pentagonal conformal grids modeling in the two - dimensional cylindrical coordinate

    二維圓柱坐標系中五角形共形網格演算法
  17. After the coordinate transformation, the discrete velocity boltzmann equation is solved directly in computational domain to preserve the geometry of body. the results comparison of cylindrical couette flow at different size meshes, different lattice bgk models and different algorithms shows that, not only the precision of the incompressible lattice bgk model is satisfactory, but also the curvilinear coordinate algorithm is efficient

    首先計算了存在理論解的圓couette流動,並針對不同數目的離散網格、不同格子模型以及不同演算法,對結果進行了比較,不僅再次印證了本文第四章給出的不可壓格子模型具有滿意的計算精度,而且表明本章的貼體演算法是行之有效的。
  18. Second, for the sake of the optical fiber is cylinder, the wave equation should be showed under column coordinate system

    其次,針對光波在光纖中傳播的具體情況,推導出下的波動方程。
  19. Abstract : based on simple algorithm, the discretization algebraic equation of nonaxisymmetry three - dimension turbulent flow is established, and it can simulate nonaxisymmetry three - dimension turbulent flow

    文摘:以simple演算法為基礎,建立了圓柱坐標系下非軸對稱三維湍流流動離散化的代數方程,從而可以對非軸對稱三維湍流流動進行數值模擬
  20. Uses a left - handed coordinate system to create a mesh that contains a cylinder

    使用左手創建包含圓體的網格。
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