principle of virtual displacement 中文意思是什麼

principle of virtual displacement 解釋
虛位移原理
  • principle : n. 1. 原理，原則。2. 主義；政策；〈常 pl. 〉道義；節操。3. 本質，本體，根源；本原，源泉。4. 本性，本能；天然的性能；天賦的才能；動因，素因。5. 【化學】素，要素；精。
  • of : OF ＝Old French 古法語。
  • 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。
  • displacement : n 1 轉位，移動；取代，置換；（人的）流離失所。2 撤換，免職。3 【機械工程】（活塞）排氣量；【航海...
  1. They are studied that the nonlinear problem and un - determinate problem of virtual displacement in nonholonomic system in the second chapter. in chapter 3, they are studied that chetaev model and vacco model in nonholonomic system. a unified form of hamilton principle in intrinsical linear nonholonomic system is studied in chapter 4

    第一章對非完整動力學研究的有關現狀進行了綜合評述；第二章研究了非完整系統虛位移關系的不定性問題與非線性問題；第三章比較研究了一般非完整系統的chetaev模型和vacco模型；第四章研究了本質線性非完整系統的hamilton原理；第五章給出了本文的結論與有關研究的展望。
  2. 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。
  3. Principle of virtual displacement

    虛位移原理
  4. Moreover, popularizing such system is expected. the following works have been fulfilled within this thesis : first of all, based on the general principle of virtual displacement of nonlinear continuum mechanics, the geometric and material stiffness matrices is presented, several examples show that both of them can give out accurate result

    本論文主要完成了以下工作：首先，根據連續介質力學理論構造出的交錯桁架結構空間單元的幾何剛度矩陣和彈塑性剛度矩陣，算例分析表明這些矩陣能準確地計算出結構的空間二階效應和空間單元彈塑性桿端力增量，計算結果具有良好的精度。
  5. On the basis of large - displacement virtual principle, the finite element equations of stable type suspension bridge containing towers are driven. the stiffness matrixes of the cable element, the bar element and the beam element using node coordinates are given, too. such method has not been found in reference books

    論文從有限位移彈性理論的虛功方程出發，推導出穩定橋全橋結構的非線性有限元運動方程，還推導了用節點坐標表示的索單元、桿單元和梁單元的單元剛度矩陣，這一點在參考文獻較少見。
  6. 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。
  7. Abstract : a previously proposed approximate quasi - static theoretical method is employed herein to examine the deformation and perforation of a simply - supported circular plate struck by a flat - faced projectile at normal incidence. based on the principle of virtual work, static load - displacement relationships are first obtained and then used to predict the energy - absorbing capacity of the plate subjected to relatively low speed impact. it is shown that good agreement is obtained between the theoretical predictions and the available experimental data, provided that adiabatic shear plugging failure does not occur, but the influence of strain rate sensitivity is taken into account

    文摘:採用準靜態近似理論方法分析簡支圓板在平頭彈丸正撞下的變形和穿透.首先基於虛功原理得到了靜態荷載位移關系，並將其用於預測低速沖擊下圓板的能量吸收能力.當考慮了材料的應變率敏感性，並且不發生絕熱剪切沖塞破壞的前提下，理論預測和實驗結果吻合良好
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