有限元子空間 的英文怎麼說

中文拼音 [yǒuxiànyuánzikōngjiān]
有限元子空間 英文
finite element subspaces
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 限 : Ⅰ名詞（指定的范圍; 限度） limit; bounds Ⅱ動詞（指定范圍, 不許超過） set a limit; limit; restrict
  • 子 : 子Ⅰ名詞1 （兒子） son 2 （人的通稱） person 3 （古代特指有學問的男人） ancient title of respect f...
  • 空 : 空Ⅰ形容詞（不包含什麼; 裏面沒有東西或沒有內容; 不切實際的） empty; hollow; void Ⅱ名詞1 （天空） s...
  • 間 : 間Ⅰ名詞1 （中間） between; among 2 （一定的空間或時間里） with a definite time or space 3 （一間...
  • 有限 : limited; restricted; finite; a little; not much
  • 空間 : space; enclosure; room; blank; interspace
  1. With the use of finite method we have developed computer simulation software for vacuum microtriodes with wedge - shaped and cone - shaped cathode on the basis of stduying deeply the field emission theory of vacuum microelectronics. the software included field section, grid point numbering, and the calculation of electric currents, transconductance and cathode capacitance, moreover, it can simulate the properties of vacuum microeletronic with variant structures and sizes. the relationship was studied and simulated among electic properties and device structures, sizes and cathode materials etc. the optimized design of vacuum microtiode was proposed

    本文在深入研究真空微電子器件場致發射理論的基礎上，根據圓錐形、楔形陰極真空微電子三極體的不同特點，分別建立了物理和數學模型，在考慮空間電荷密度影響的前提下，以有限元法為基礎採用迭代的方法計算出真空微電子三極體內的電勢分佈情況，繪制出了等勢線、電子軌跡線，並得到了器件電學性能隨幾何參數的變化情況。
  2. In this work, we detailedly introduced the whole ideas of rkdg finite element method and the theory of constructing gas - kinetic schemes based on boltzmann equation. and then presented a kind of new computational method for solving id and 2d compressible euler equations, i. e. firstly, we discretize euler equations in the space with discontinuous galerkin finite element method ; secondly, we discretize temporal variable t with runge - kutta formula ; thirdly, for numerical fluxes constructing, we give two kinds of different numerical fluxes - kfvs and bgk numerical fluxes by using gas - kinetic schemes

    本文分別對rkdg有限元方法的整個思想和基於boltzmann方程的分子動力學格式的構造思想給予了詳細的介紹，並分別結合rkdg有限元方法與kfvs數值通量和bgk數值通量的構造方法，給出了一種求解一維、二維可壓縮流體力學方程組新的計算方法，即，我們先用間斷有限元方法進行空間離散，然後再對所得到的半離散格式使用runge - kuttatvd方法進行時間離散，得到全離散格式。
  3. One self - anchored suspension bridge is the subject investigated, the finite element program " midas " is adopted to establish the spatial computation model of the suspension bridge, and the subspace iteration method is used to calculate the natural vibration frequencies and modes of the bridge, the bridge ' s dynamic property and rigidity feature are discussed with the computed results

    摘要以某自錨式懸索橋主橋為研究對象，採用midas有限元程序，建立了該橋的空間力學計算模型，利用子空間迭代法計算了該橋梁結構的自振頻率和振型，結合計算結果對橋梁的動力特性和剛度特點進行了討論。
  4. We first present the decomposition of finite rank operators and trace class operators in a weakly closed nest algebra algn - module. secondly, the same question for finite rank operators in the preanm ' hilator of an atomic boolean lattice algebra is considered. ( 6 ) let n be a nest on a hilbert space h. and u be any weakly closed algn - module

    在第三章中，我們首先討論了弱閉套代數模中的有限秩運算元和跡類運算元的「保跡范數可加性分解」問題，然後研究了原子boolean格代數的預零化子中的有限秩運算元，得到（ 6 ）設n是hilbert空間h中的一個套， u是任一弱閉algn -模。
  5. ( 2 ) based on the wave equation in the acoustic fluid space and the theory of thin - wall structure, the non - symmetrical coupled structure - acoustic dynamic equation without damping is studied. the non - symmetric system of the finite element model for coupled structure - acoustic response is solved by the conjugate subspace iteration method

    由聲空間波動方程和薄板理論出發，對聲場?結構耦合系統的模態分析提出了有限元數值方法，採用共扼子空間迭代法對非對稱特徵方程進行處理，採用靜凝聚法消除質量矩陣的奇異性。
  6. With the using of the thin - walled structure fem theory, the fem model is set up, which can reflects the distortion characteristic and stress distributing rule. also, with the consideration of the configuration characteristics of the miter gate, the parameterized method of pre - process and post - process is studied and the fem calculations subsystem is developed. furthermore, this paper cites an example to illustrate the analysis and calculation of a miter gate

    4 、運用空間薄壁結構有限元理論，建立了能真實模擬人字門運行過程變形和應力規律的空間薄壁結構有限元數學模型；根據人字門的結構特點，研究了人字門參數化前後處理技術，開發了人字門空間有限元分析子系統，並進行了工程實例的有限元分析計算。
  7. In this paper, a two - dimensional analysis of the tanjialiangzi bridge was first performed ; then a segment of the bridge was modeled and a three - dimensional analysis of it were carried out by employing the fem software of ansys ; after a careful analysis of the result of the calculations, the causes of the diagonal cracking in the web of the beam were given out ; and also, in the last part, common steps of damage evaluation of the long - span pc continuous bridges through fem software were summarized

    本文首先對譚家梁子大橋作平面計算分析；然後運用ansys軟體建立該橋局部梁段的空間有限元模型，並在此基礎上進行空間局部有限元分析；通過對計算結果的整理和分析，從設計方面探討了該橋腹板斜裂縫產生的原因：此後，針對病害成因，本文提出了裂縫修補和腹板加固的方法；最後總結了運用有限元軟體分析同類橋梁病害的一般方法。
  8. A new nonlinear finite element model which applies subsystem connect beams element and space degenerate shell element to analyze eccentric braced structural energy - dissipation and links collapse mechanism is presented in this paper

    本文提出了應用子結構法聯合梁單元與空間退化曲殼單元分析偏心支撐鋼框架耗能性能及耗能梁段破壞機理的非線性有限元分析模型。
  9. And according to real conditions has finished relative experiments. consequently, in theory the author utilizes subspace and lanczos methods to analyses, experimental data. through the comparing, find in " limiting elements calculation the different boundary can affect dynamic properties, for example, the important place of lateral vibration, vertical vibration, shrinking vibration and vertical distortion vibration in automatic frequency

    在現有條件下完成了相應的部分實驗，並用subspace （子空間）迭代法和lanczos （蘭索斯）法在理論上對實驗數據進行分析，同時與試驗成果相互對照，找出不同的邊界條件在有限元計算中對結構動力特性的影響，例如，側向振動、上下振動、收縮振動及豎向扭曲振動在結構的自振頻率中的主次關系。
  10. The force transducer that was specially developed for the very restricted mounting situation has amplifier electronics with 4 - 20 ma signal output built in the space saving thin - film measuring cell makes this possible. plug - and - play is, of course, possible where a component is replaced

    為在嚴格限制的裝配條件下工作而特別改進的力傳感器內建有輸出4 - 20 ma信號的電子放大器，採用薄膜測量單元讓我們可以節省下空間來放置放大器。
  11. In this paper, load carrying mechanism, lateral displacement, and design and calculation procedure of lightweight frame structure of multi - ribbed wall panel are studied with chief achievements as follows : based on the test, which a ten - story building model of lightweight frame structure of multi - ribbed wall panel with ratio 1 : 3 is studied though the pseudo - dynamic test, the wall is considered as a plane compound substructure, and space frame - plane compound substructure computational finite element model is given

    本文就密肋壁板輕框結構在彈性階段的受力機理、設計計算方法及側移進行了探討。主要完成下列工作：在10層密肋壁板輕框結構1 / 3比例房屋模型擬動力試驗研究的基礎上，將墻板視為平面復合子結構，建立空間框架? ?平面復合子結構有限元分析模型，對1 / 3比例房屋試驗模型進行數值分析。
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