cross-section variable 中文意思是什麼

cross-section variable 解釋
截面變量
  • cross : n 1 十字架；〈the C 〉 耶穌受刑的十字架。2 〈the C 〉 基督教（教義，國家）。3 不幸，苦難；挫折，...
  • section : n 1 （外科、解剖的）切斷；切割；切開。2 【外科】切片，【金相】磨石。3 （果子的）瓣。4 【數學】截...
  • variable : adj 1 易變的，變化無常的，無定的 （opp constant steady）。2 可變的，能變的；變換的。3 【數學】變...
  1. The section of traditional portal rigid frame are constant cross - section and wedge shape variable cross - section, this paper brings up a component cross - section ? ripple web plate variable cross - section. according to main specially characterist of portal rigid frame, this paper use matlab to work out analytical software. it ' s concrete analysis includes : endogen force and displacement caculation of rigid frame, stability analysis in and out flat surface of rigid frame, geometrical nonlinear analysis of rigid frame. and make comparison between ripple web plate variable cross - section portal rigid frame and constant cross - section rigid frame

    傳統的門式剛架的構件截面為等截面和楔形變截面，本論文提出了一種構件截面形式? ?波紋腹板變截面。本論文根據門式剛架的主要特點，利用matlab高級編程語言編制了4個分析軟體，其針對性強，具體分析包括：剛架的內力與位移計算，剛架的平面內與平面外穩定分析，剛架的幾何非線性分析。
  2. In this article, considering the character of the one - dimensioned continuum and the cross - section, the varied quotiety of the strain can be presented as the mode function to identify the damage. and inversion of the elastic wave is presented to detect the injures when the area is the variable of the inversion, for the pip usually buried under the earth or enwrapped into the protection make the detection difficulty by the mode of vibrancy. the influence of the area must be considered if the exactness is the pre - requisition

    在論文中，考慮到壓力管道的一維性質，提出用應變模態改變變化率的方法對一維的結構進行損傷識別；同時考慮到在實際的工程和現場測試中，壓力管道大多深埋在地下或者有外在的保護膜，不宜進行模態的檢測，所以也考慮利用彈性波的方法對壓力管道的性質參數和截面性質進行反演識別，從而得到我們感興趣的東西，達到損傷識別；一般，在利用彈性波反射方法進行損傷檢測中，不考慮截面效應對彈性波的衰減影響，這就對損傷檢測造成一定的影響，本文考慮截面效應的影響，通過實驗來確定截面效應系數。
  3. Applying classical wave theory, a concept of equivalent elastic modulus on propagation speed modification of guided wave through " variable cross - section " of metal bar embeded layer was put forward

    摘要運用波動的經典理論，提出了導波在金屬桿嵌入層「變截面」傳播時波速改變的「等效彈性模量」的概念。
  4. Based on the research to the stability variable cross - section beam, the bending defection differential equation of the variable cross - section beam in critical state of bucking is established. according to the edge condition of the structure, the differential equation is solved and bucking equation of variable cross - section beam is created. we can get the algorithm which can be used to calculate the equivalent inertia moment of the variable cross - section lattice structure when it is regarded as constant cross - section of solid web beam

    對變截面格構式構件的穩定性計算進行了初步的研究，通過建立變截面構件臨界狀態下彎曲變形的微分方程，根據變形邊界條件，得到了兩端鉸支的變截面梁失穩特徵方程，提出了幾種特殊形式的變截面格構式構件等效為等截面實腹式構件時等效慣性矩的計算方法。
  5. The investigation of this paper has grate actual and expansive significance and offer methods for the application of rigid frame. the investigation indicate that the ripple web plate ' s critical stress has great improvement than ordinary flat plate and ripple web plate variable cross - section has a rather superiority than constant cross - section portal rigid frame

    本論文所做的研究工作具有很強的現實意義和推廣意義，為門式剛架的應用提供了思路。通過研究表明：波紋腹板的臨界應力比普通的平板有很大提高，而波紋腹板變截面門式剛架與等截面門式剛架進行對比也有較大的優越性。
  6. The harmonic analysis method for computing force of end - point of variable cross - section beam when it does transverse vibration

    計算變截面梁橫向振動時桿端力的調和分析法
  7. Inner force analysis for bars with variable cross - section of rectangular tunnel

    矩形隧道中變截面桿件的內力分析
  8. Three - dimensional numerical simulation of surrounding rock stability of underground cavity with variable cross - section

    變截面洞庫圍巖穩定性的三維數值模擬
  9. Rolling stock. leaf springs. leaves with variable cross - section for parabolic springs

    鐵路車輛.片簧.拋物狀彈簧用可變截面的彈簧片
  10. The heavy - duty slewing crane is suitable for the material swinging operation in metallurgy, railway, quay, machinery manufacture, etc. this hoist adopts the structure of rotary fulcrum bearing and variable cross - section. the overweight height is up to 2. 5 - 2. 6 meters, and rotary radius is up to 7 - 12 meters

    重型旋臂型起重機適用於冶金鐵路碼頭機械製造等行業的物料吊運作業，該機採用了回轉支承與半截面壁結構，超重高度達2 .米，回轉半徑達米。
  11. The transfer matrix method of bar elements with variable cross - section

    變截面桿元傳遞矩陣法
  12. This paper presents the element stiffness matrix and equivalent node force of the variable cross - section bar. so the approximation in structural analysis is avoided, and the calculation capacity of equivalent frame method is also developed. this helped the engineers avoid the fem, which consume much time and is difficult to master

    本文對板帶寬度變化的板柱結構推導了變截面直桿單元的單元剛度矩陣和等效結點荷載列陣，避免了在結構分析時所作的近似，也擴大了等代框架法的計算范圍，使工程技術人員免於使用佔用機時、難于掌握的有限元分析法。
  13. Broken line converting method for bending analysis of heterogeneous beam with variable cross - section

    非均勻變截面梁彎曲問題的折線折演算法
  14. The form of variable cross - section, used mostly in the practical projects, just has the change of the linear variation on the height of the web plate while keep the width of the flange c hangeless

    實際工程中使用最多的變截面構件形式是僅構件腹板高度線性變化，翼緣寬度保持不變的形式。
  15. The stiffness calculation of variable cross - section member in plane frame structure

    平面框架結構中變截面桿件的剛度計算
  16. Elastic - plastic dynamic response mechanism of a variable cross - section cantilever beam subjected to step load

    階躍載荷作用下變截面懸臂梁的彈塑性響應模式
  17. The main original work includes : 1. with laplace transformation, the solution for longitudinal vibration of a pile with variable cross - section is derived when surrounding soil is simulated respectively with normal voigt model and normal maxwell model

    主要工作包括： 1 、採用拉氏變換法分別得到了標準voigt模型和標準maxwell模型條件下成層土中任意段變截面樁縱向振動解。
  18. The important meaning of controlling incident wave form for the experiment is take into account, eigen - line method was used to calculate the transmit of the stress wave among the variable cross - section bar. using the elastic wave inversion deductive method the mathematical model was founded, which can be used to calculate the shape of the dam from the incident wave form

    考慮控制入射波形對動態試驗的重要意義，本文利用特徵線法對應力波在變截面桿中的傳播進行了數值求解；在此基礎上應用彈性波反演的思想建立了根據入射波形求解彈丸形狀的數學模型，並用試驗對求解結果進行了驗證。
  19. The portal frame is the most widely used in the lightweight steel construction. when designing the portal frame, designers usually design the members with the variable cross - section on the base of the variation of the members " moment

    在應用最廣的輕型鋼結構形式? ?門式剛架中，設計人員往往根據構件彎矩的變化規律，將門式剛架中的構件設計成變截面的形式。
  20. In the end, the author used fem to analyze the short - period stiffness after rc cellular slab cracking, and presented recommended formulation in respect of short - period stiffness. moreover, with regard to the features of bi - direction cellular slab, the author brought forward the equivalent cross - section stiffness model to calculate the ultimate load - carrying capacity of variable cross - section slab as well as the related reinforcement suggestions and conformation methods

    最後本文利用有限元分析了鋼筋混凝土空腹板在開裂后的短期剛度，並給出計算其短期剛度的建議公式；另外針對雙向空腹板的特點，本文提出了對這種變截面板進行承載力計算的「等效截面剛度法」模型，並給出了相關的配筋建議及構造措施。
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