virtual work 中文意思是什麼

virtual work 解釋
虛功
  • virtual : adj. 1. 實際上的,實質上的,事實上的。2. 【物理學】虛像的。3. 【物理學】有效的;【計算機】(網上)虛擬的。4. 〈古語〉具有可產生某種效果之內在力的。
  • work : n 1 工作,操作,勞動,作業;工件;功課;努力;行為,作用。2 (待辦的)事務,業務;職業。3 〈前有...
  1. Many scientists and mechanists, such as euler, prager, green, ericksen, hill, truesdell, eringen, made great contribution in this field and developed a general theoretical system. however, there still remain a lot that should be further investigated. this thesis discusses the linear theory of field of elastic solids subjected to additional deformation, and the corresponding virtual work equations and the displacement - based variational principle

    本文第一章述評了由euler開創的,經prager 、 green 、 ericksen 、 hill 、 truesdell和eringen等學者發展並成功應用的附加變形或運動的思想,作為后續各章的基礎。
  2. Then, the principle of virtual work is used to derivate the equilibrium condition of cm

    在以上基礎上,應用虛功原理,推導出柔性機械穩態的條件。
  3. According to these, applying the virtual work theory, this paper analyzed the influence of active beam link on the terminal carrying capacity, stiffness and ductibility of three types of ebsf

    接著在此基礎上應用虛功原理,分別研究了耗能梁段長度對d型、 k型和v型三種偏心支撐框架的極限承載力、剛度以及延性的影響。
  4. Similarly, according to the deformation mechanism of ebsf and the virtual work theory, the influence of three different active beam links on the terminal carrying capacity, stiffness and ductibility of ebsf is deducted

    同樣,根據偏心支撐框架的幾何變形機制,應用虛功原理,重點推導並分析比較了分別採用d型、 k型或者v型支撐時對結構的極限承載力、彈性剛度以及延性的不同影響。
  5. Secondly, i applied the method of matrix analysis to build up mathematic model of swaying platform, and solved the question of motion anti - solution, velocity and acceleration. then i analyzed the dynamics problems of the swaying platform. based on the calculation of the swaying platform ’ s force and moment, built up the dynamics equations of swaying platform by using virtual work principle

    其次,應用矩陣分析和齊次坐標變換建立了搖擺臺的運動學數學模型,從反運動學的角度分析了搖擺臺的位置、速度和加速度的反解方程;分析了搖擺臺的動力學問題,通過對搖擺臺的驅動桿進行附加力和附加力矩計算,並利用達朗貝爾原理和虛功原理,建立了搖擺臺的動力學方程。
  6. The paper depicts the elasticity with euler form and associates the form with depiction of behavior of fluid. the method takes the velocity as basic variables and then derives the left - deformation tensor from the velocity in order to deal with the time - independent motion. at last in this chapter the equations of the finite flow - element are set up from the principle of the virtual work

    首先建立流管元的概念,對彈性固體相關的部分採用euler描寫,並融入流體行為的描寫中;以速度為變量,反推左變形張量,用於處理流固物質的定常運動,給出了控制方程和相應的變分式;以此為基礎發展了一套相應的有限流管元演算法。
  7. First of all, the nonlinear equation of structure is presented in this paper based on virtual work principle. it is thought that the updated lagrangian formulation ( u. l. formulation ) is more adapt for nonlinear analysis computer program for arch bridge

    首先,本文基於虛功原理,推導了結構幾何非線性方程,指出更新的拉格朗日列士法( u . l列士)更適用於橋梁結構非線性分析程序的編制。
  8. Space stiffness matrix of t - shape, l - shape and - shape short - leg shear wall is derived by virtual work principle and variational principle

    利用虛功原理和變分原理分別推導了t形、 l形和一字形截面的短肢剪力墻空間單元剛度矩陣。
  9. Talk about how to use the virtual work principle to solve the relative problems of electrostatics, show it ' s simple, direct and convenient to use virtual work principle in working out electric field intensity, electric field force, moment of force

    舉例討論了應用虛功原理求解靜電學有關問題的具體做法,說明在求解電場強度、電場力、力矩等矢量時,應用該原理確實簡捷、方便。
  10. Then each. cable - strut - membrane unit is analyzed by adopt the non - linear finite element analytical method. according to virtual work principle, the equation of solving is formed, from the timid displacement principle, derive and happen to ask the equation of solving. through the whole n - r method, cooperative form - finding of the cable - strut - membrane structure will be realized

    然後,採用非線性有限元分析方法,對各個單元進行分析,由虛位移原理,推導出求解方程,通過全n - r法迭代,實現索桿膜結構的協同找形。
  11. In spite of the very close affinity between the variational theorems and the principle of virtual work, the study of the former is worth-while.

    盡管變分定理與虛功原理之間有很緊密的相似關系,然而對前者的研究仍然是有價值的。
  12. The virtual work principle under the system of non - inertia

    非慣性系下的虛功原理
  13. Virtual work principle is an impotant principle in analytic mechanics

    摘要虛功原理是分析力學中一個重要的原理。
  14. The dialectical relationship between dynamic on virtual work principle and statically balance of mechanic group

    虛功原理的動力學理論與力學組的靜力學平衡
  15. The stochastic principle of virtual work is formulated for viscoelastic structural analysis. the innovated principle has solid theoretical basis and allows incorporation of different kinds of random factors

    建立了粘彈性隨機分析的虛功原理,可以統一考慮各類隨機因素,理論基礎更加完善。
  16. Starting from virtual work principle, with the combination of fem, the author led into elastic stiffness practical formulation of bi - direction cellular slab. after comparing the bi - direction elastic stiffness formulation with the approximately stiffness formulation, the author drew such a conclusion that if the hole - rib is comparatively big, the elastic stiffness of bi - direction cellular slab calculated by approximately formulation would be comparatively small, and therefore the elastic stiffness could calculated by the formulation illustrated in this paper

    本文從虛功原理出發,結合有限元方法,給出了雙向空腹板的彈性剛度實用計算公式,並與近似剛度公式進行對比分析,並得出結論:在雙向空腹板孔間肋較大情況下,利用近似公式計算雙向空腹板的彈性剛度偏小,可按本文提出的彈性剛度公式進行計算。
  17. In the analysis, a cfst arch ( single tube ) is first divided into a finite number of straight beam elements. according to the virtual work principle and the modified newton - raphson iteration method the tangent stiffness matrix considering double nonlinear properties is established. with regard to the non - equilibrium forces, the material nonlinear property along the height of the section and the length of the element is considered and the computation accuracy is improved as a result

    本文首先將拱肋劃分為一系列的直梁單元,運用虛功原理和修正newton - raphan數值迭代演算法的基本原理準確推導了拱肋直梁單元的非線性切線剛度矩陣;在不平衡力方面考慮了沿截面高度和單元長度方向材料非線性的發展過程,提高了計算精度;再根據得到的切線剛度矩陣採用荷載增量步內修正newton - raphan迭代的增量迭代法進行了求解。
  18. The slope stability analysis model is developed on the basis of the virtual work principle, where the rock stratification planes and the adverse discontinuities are incorporated

    功能平衡方程中僅有安全系數一個未知數,條塊底部和界面上的法向壓力和切向摩擦力並不出現,求解大為簡化。
  19. Starting from two well - accepted assumptions in theory of thin - walled beams, a general theory for linear analysis of curved beams with any open sections is established in this paper by using the principle of virtual work. the equations of equilibrium and natural boundary conditions are given

    文章首先從薄壁構件理論的兩個基本假定出發,利用虛功原理,建立起一套精確的、可以應用於任意開口薄壁截面圓弧曲梁的線性理論,給出相應的平衡方程和邊界條件。
  20. The equations of virtual work are deduced to analyze stress - strain states under static and fatigue loading conditions

    其次,對單向層合板及層合板接頭進行了大量的試驗研究。
分享友人