equivalent beam 中文意思是什麼

equivalent beam 解釋
等效梁
  • equivalent : adj 1 相當的,相同的,同等的。2 【化學】等價的,當量的;【數學】等價的;等量的;等勢的;【物理學...
  • beam : n 1 梁,棟梁,桁條;(船的)橫梁。2 船幅;(動物、人的)體幅。3 (秤)桿,杠桿,(織機的)卷軸,...
  1. Considering the special structure of multi - ribbed slab, founding diphase body mechanical model of compound material, strengthening rib beam and rib pillar by equivalent volume ratio of concrete and slice brick, the paper drew elastic compution constant and shear constant. based on the things, the paper simplified isotropy compution model to wall, gave practical design formula of elastic mold and shear mold, provided necessary parameter for practical design formula of elastic rigidity. finally the calculating results agree well with the text results

    結合密肋復合墻板的特殊構造,建立墻板的復合材料二相體力學模型,按照混凝土與砌塊體積比不變原則對肋梁肋柱同時加強,得出墻板的彈性計算常數及剪切常數,在此基礎上,進一步將墻板簡化為各向同性的計算模型,給出墻板彈性模量及剪切模量實用計算公式,為密肋復合墻板的實用彈性剛度計算公式提供必要的參數。
  2. Strip - shape underground structures such as the tunnels and tubes for various uses can be treated as a beam on elastic foundation under earthquake condition , although there exists soil - structure interaction , the foundation soil vibration is dominant in other words , analysis of earthquake response of the soil is essential to this end , simplified models , ( i. e equivalent mass system models based on some equivalence criteria ) are proposed , instead of a general 3 - d continuum model in this study , equivalence criteria are proposed and the simplified models are compared the single - mass - string model is proved to be valid and therefore applied to the analysis of earthquake response of the pearl river immersed tunnel

    條裝地下結構如隧道、各種埋設管道等一般可看作彈性地基梁進行靜力及動力分析在地震條件下,結構與土相互作用,但土的振動成為主要因素為分析土的地震響應需把基土這一三維連續體作簡化處理,簡化成為等效多質點模型本文著重探討這種簡化模型的建立方法,推導等效方程,通過幾種簡化體系的分析比較,論證單質點串體系的合理性,並將其應用到廣州黃沙芳村珠江水下隧道工程的地震響應分析,為抗震設計提供依據
  3. The content of this thesis comes from the fujian natural science found following research task 。 it studies on a space cantilever single beam attached to a moving support 。 inertia forces which are brought by the support ' s movement , are acceded to the equivalent initiative forces and the equivalent initiative moments 。 when we consider the relation of the forces and deformation , we change the method of material mechanical analysis to the elastic mechanical analysis 。 further more , we discusses the feasibility of the method which uses the multi - rigid - body discrete model to simulate the dynamic characteristic of a elastic body 。 first , the finite segment method is adopted to establish the models of the beam 。 based on kane ' s equations , dynamic math - model for the beam are derived 。 and by use of c - language and runge - kutta procedure , the computer - oriented procedure can give the whole responses of the beam 。 second , with compare to the numerical examples , the method which uses the multi - rigid - body discrete model to simulate the dynamic characteristic of a elastic body which is under the condition of movement is verified to be feasible 。

    本論文為福建省自然科學基金后續研究課題,以已知支撐運動的單個空間懸臂梁為對象,在等效主動力與等效主動力矩中加入支撐轉動引起的慣性力,並在考慮力與變形關系時,用更一般的彈性力學分析代替材料力學分析,進一步研究用多剛體離散模型來模擬其動力學特性的可行性。首先,用有限段建立機械臂的多剛體離散模型,用kane動力學方法建立其動力學方程。並用c語言編制演算法程序,採用了四階runge - kutta積分程序求解微分方程組,給出構件的全部動態歷程。
  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. Therefore, the three fundamentals required to obtain high precise measurements are : 1 ) frequency stability and frequency difference stability of the double - frequency laser source as well as the stable equivalent length of bore ; 2 ) the measuring beam and the reference beam are placed very co - axially ; 3 ) capability of recording the sub - division of the period of phase change and a reversible counter system

    因而干涉儀系統達到高精度的基礎是:頻率及頻差穩定的雙頻激光源、穩定的等效腔長;測量光與參考光合光後有很高同軸度的光路結構;能可靠記錄相位差變化周期數的細分及可逆計數系統三部分。
  6. Finite element internal force method is presented in this paper to solve it, based on the result of the routine method. this method utilizes the condition of internal force balance of arch system and beam system to solve their internal forces, then to solve dam body ' s equivalent stresses

    為此,本文提出了有限元內力法,該方法是根據常規有限元法的分析結果,利用拱和梁的內力平衡條件求解拱梁內力,然後求解壩體等效應力。
  7. This paper deals with seismic response of a tunnel - soil system immersed tunnel , as an underground structure , must be compatible with the deformation of the surrounding soil thus the simplified model for a tunnel - soil system is established through two steps at the first step , an mdof system is developed for modeling the foundation soil to this end , dynamic behavior of the foundation soil is analyzed a typical section of the foundation soil simplified as a single mass - spring system on the basis of some equivalent criteria those mass are linked longitudinally by elastic springs to form an mdof system at the second step , the tunnel is treated as a beam on elastic foundation ; that is , the tunnel is connected with the soil massed to form a tunnel - soil system this model has been applied to the seismic analysis of huangsha fangcun immersed tunnel across the pearl river in guangzhou design recommendation is proposed on the basis of this analysis

    研究沉管隧道在地震條件下整體受力的分析方法分兩步建立計算模型第一步通過分析場地地基土切片的動力特性,根據等效原則將其化為等效單質點體系,然後在縱向用等效彈簧連接而成為多質點體系的地基土計算模型;第二步將隧道看作彈性地基梁與上述多質點體系通過等效彈簧連結而得到土隧道體系的計算模型本文結合廣州黃沙芳村珠江水下隧道工程實例建立了具體的計算模型並對多種不同的約束條件,進行了縱向與橫向地震響應時程分析,為該隧道的抗震設計提供依據
  8. In this part, it is also found that the equivalent prismatic column, which is obtained based on the equal elastic critical load as the non - prismatic member, is not actually equivalent to the tapered column in inelastic stability, and the latter has higher load carrying capacity. finally, the behavior of tapered beam - column acted by combined axial load and transverse load has been investigated. a bending - thrust interaction curve is established which is similar to the ones for the design of prismatic members

    三是研究了楔形變截面懸臂構件在大端固定,小端同時承受橫向及軸向荷載共同作用下的強度和彎矩平面內的穩定,同時參考等截面構件的設計公式,得到了用大端截面來表示的軸力p與彎矩m的之間的相關關系。
  9. The whole piezolaminated curved beam is equivalent as a single layer structure, and the governing equation of piezolaminated curved beam with small curvature is derived based on one - dimensional beam theory

    將壓電夾層圓形曲梁等效為單層結構,基於一維小曲率曲梁理論,建立其控制方程。
  10. Abstract : the end basket with a form of double layered conical weave net is simplified into a model of continuous conical shell - beam combined structure and in accordance with the test results of experimental modal analysis. a part of geometrical and material parameters of the conical shell in the model are identified to get an equivalent mechanical model which has the same dynamic characteristics as that of the prototype structure. by simulation and experiment, the effectiveness of the method offered is fully verified

    文摘:將大型汽輪發電機定子端部的雙層圓錐型編織網殼簡化為連續錐殼-梁組合結構.根據實際結構的試驗模態分析所得到的模態參數識別模型中錐殼的部分幾何、彈性參數,獲得了與定端繞組實際結構具有相同動特性的當量力學模型.對實際機組的計算和實驗結果證明了本文中的方法是可行的
  11. In the calculations of ultimate bearing capacity, the section of rc beam was divided into the elastic zone and the plastic zone based on the fire temperature field of the beam ' s section, the equivalent - floor - live - load was presented to describe the weakening of the bearing capacity of structure members in fire, the correlation expressions were established

    摘要根據梁截面火災溫度場,將梁截面混凝土分為彈性區和塑性區2部分計算火災場梁極限承載力,並採用等效樓面活荷載描述火災場高溫對梁極限承載力的削弱,推導了相關的計算公式。
  12. Coefficient of equivalent bending moment of eccentrically loaded steel memher beam - column okok. org

    鋼壓彎構件等效彎矩系數58
  13. The definition of the equivalent calculated length coefficient of the mono - overhanging beam in the analysis of its overall stability

    單伸臂鋼梁整體穩定分析中等效計算長度系數的確定
  14. In this paper, a synthesis method is studied to produce the shaped beam patterns. this method is based on the fact that synthesis of antenna patterns is equivalent to minimizing a certain function

    本文重點研究了一種賦形波束功率方向圖的綜合演算法,並以賦球波束為例分別討論了等間距線陣和方陣的綜合過程。
  15. 2. based on the muller - breslau principle, formulars of equivalent nodal loads for the curved - and straight - beam element while occuring unit relative constrained displacement have been deduced. the influence surface of the internal force for grillage has been analyzed by combining kinematic method with finite element static method, using the superposition principle applied to little deformation

    根據米勒-布雷斯勞原理,推導了曲梁、直梁截面發生單位強迫相對位移時的等效結點荷載計算公式,運用小變形的疊加原理,將梁格機動分析與梁格有限元靜力分析相結合建立了內力影響面。
  16. By constructing a simplified model of the beam in computer, every mode of vibration has been analyzed through finite element method on ansys platform. both transient analysis and dynamic analysis have been carried out by properly converting the real loads to the equivalent ones, which are comparatively easy to manipulate for the software

    建立了梁的簡化模型,進行了智能梁結構的有限元分析,得到了梁的各階模態,並在此基礎上利用等效載荷對梁進行了動力學分析及瞬態響應分析,得到了梁的各階模態下驅動器放置的最優布局。
  17. In layman ' s terms, serendip could find the radio - wave equivalent of a powerful lighthouse beam anywhere along a foggy coast

    用外行的話說, serendip可能發現的無線電波相當于霧茫茫的海岸上大功率燈塔的光芒。
  18. According to regress, the paper got equivalent shearing stiffness and equivalent damping gene ' s calculating formula of the hdr ' s equivalent linear model. at last, the paper estimates the effect of integrated isolation bearing with a 4 span continuous beam bridge by nonlinear dynamic analysis program

    根據能量相等的原則,本論文提出了高阻尼橡膠剪切滯回曲線的雙線性模型和模型中各參數的計算公式;回歸出了用剪應變表示的等價線性化模型的等價剪切剛度和等價阻尼比實用計算公式。
  19. Equivalent loading method for solving beam - column with initial bending and its application in drilling engineering

    初彎曲縱橫彎曲梁的等效載荷法及其應用
  20. Equivalent beam method

    等值梁法
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