displacement potential 中文意思是什麼

displacement potential 解釋
位移勢
  • 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...
  • potential : adj 1 可能的；【語法】可能語氣的。2 潛在的；有潛勢的；【物理學】位的，勢的。3 〈罕用語〉有力的。n...
  1. Based on the theories of hybrid / mixed finite element method, the generalized energy functional including stress, mechanical displacement, electric displacement, electric field and electric potential is used, with the electric - potential relations and the constitutive equations of piezoelectric materials constrained, hybrid energy functional including mechanical displacement, electric potential and stress is gained. moreover, splitting in - plane components and transverse components, the mixed energy functional in which mechanical displacement, transverse stresses and electric potential as basic variables is derived. with the use of surface stress parameters of sub - elements, the continuity of transverse stress at interfaces between layers is obtained

    在回顧雜交混合有限元理論的基礎上，從包括位移、應力、應變、電勢、電位移、電場強度六個未知量的廣義壓電材料能量泛函出發，通過約束電場強度?電勢關系、應力與應變及電場強度的關系，得到僅包括位移、電勢、應力三個未知量的雜交變分泛函，利用一般層合板的雜交混合變分原理，分離面內分量和橫向分量，導出以位移、橫向應力、電勢為未知量的壓電層合板的修正變分泛函，作為壓電層合板的雜交元列式的理論基礎。
  2. Several models of bonded dissimilar materials with interface edges are calculated. displacement, electrical potential, singular stress fields and singular electrical displacement fields near a singular point are deduced by the eigenfuntion expansion method based on the general solution of the spatial axisymmetric problem of the transversely isotropic piezoelectric media. a generally axisymmetric interface edge of bimaterials with arbitrary interface angle and joining angle is analyzed theoretically by using this method

    在此基礎上，對具有任意界面角和結合角的橫觀各向同性雙壓電材料空間軸對稱界面端一般模型的軸對稱變形問題進行了理論分析，給出了該模型界面端的奇異性特徵方程以及界面端附近的位移場、電勢、奇異應力場和奇異電位移場。
  3. Eigenequation about singularity, singular stress fields and electrical displacement fields near the interface edge are obtained under axisymmetric distortion. finally, a special finite element formulation which is based on the principle of minimum potential energy has been developed for determining the orders of the singularity of the singular stress fields around the singular point ( interface edge, interface corner and the interface crack ) in the bonded dissimilar anisotropic / anisotropic, piezoelectric / piezoelectric as well as piezoelectric / anisotropic materials. the numerical results show that this method is very convenient and efficient

    最後，從最小勢能原理出發，在僅僅考慮奇異性支配區域這一前提下，對于彈性接合材料的平面變形問題和擬平面應變問題，以奇異點為原點分別建立極坐標系和圓柱坐標系，通過分部積分消除廠項，從而使奇異性問題的求解由原來的二維降為一維；對於三維變形問題，以奇異點為原點建立球坐標系，通過分部積分消除項，從而使奇異性問題的求解由原來的三維降為二維。
  4. And more widely, climate change is a potential source of conflict over scarce natural resources, and of the displacement of millions of people from their land, with all the instability which that would provoke

    從更廣泛的意義上來講，氣候變化是自然資源缺乏、成百萬的居民從他們的土地上遷移、以及所有可能暴發的不穩定性的矛盾中的一個潛在因素。
  5. The numerical results, such as the pga, pgv, peak ground displacement, and the three - component time - histories developed for beijing area, have a potential application in earthquake engineering field and building code design, especially for the evaluation of critical constructions, government decision making and the seismic hazard assessment by financial / insurance companies

    利用數值模擬方法所得的較為真實的強地面運動參數，即加速度、速度、位移和時程特徵，可為北京地區工程建設的抗震設計、救援設施的選址、以及金融及保險部門的風險性評估提供一定的依據。
  6. Firstly, with uniaxial symmetrical rectangle cross section, the warping displacement function and tangential displacement function under anti - symmetrical load are supposed. then taking shear deformation into account and with potential principle, the governing differential equation for distortion angle subjected to uniformly distributed distortion load is established

    首先，以單軸對稱矩形截面薄壁桿件為研究對象，假設其在反對稱荷載作用下翹曲位移和切向位移的分佈函數，考慮剪切變形的影響，利用最小勢能原理建立單位均布畸變荷載作用下的畸變角微分方程。
  7. The ellipsoidal coordinates are introduced to solve the unknown displacement and electric potential jumps in the integral equations under uniform loading

    引入橢球坐標系后，得到了均布載荷作用下未知位移間斷和電勢間斷的解析解。
  8. The stabilized chemical potential diagrams combined with the equilibrium phase diagrams of mo - si - c ternary system arid the principles of thermodynamic, kinetic, mass - balance could be applied to analyzing and judging reaction paths of in situ synthesis of mosi2 - sic composites through solid - state displacement reactions theoretically. 3

    該相圖結合平衡相圖和熱力學、物料平衡、動力學原則，可以作為分析和判斷固態置換反應原位合成mosi _ 2 - sic復合材料反應路徑的理論依據之一，並從理論上分析了固態置換反應原位合成mosi _ 2 - sic復合材料可能的反應路徑。
  9. Unknown displacement and electric potential jumps in the integral equations are approximated with a product of fundamental density function and polynomials, in which the fundamental density function reflects singular behavior of electroelastic fields near the crack front and the polynomials can be reduced to a real constant under uniform loading

    超奇異積分方程中的未知位移間斷和電勢間斷近似地表示為基本密度函數與多項式之積，其中基本密度函數反映了橢圓片狀裂紋前沿電彈性場的奇異性，而多項式在均布載荷作用下可用一個常數來表達。
  10. 3. as for side web girder, the principle of minimum potential energy has been introduced. by assuming different displacement function, the force and stress formulae for flanges under uniform loading, horizontal axial force, or vertical concentrated force have been derived

    對于邊主肋截面主梁，本文介紹了能量變分法，通過假定板不同的軸向位移函數，推導了懸臂梁在均布荷載、水平軸向力、豎直集中力作用下的微分方程和應力計算公式。
  11. A new interface - perturbation model of solid - state displacement reactions ternary system is suggested and the interface - stability criterion is derived in the form of chemical potential if the chemical potential of rate - control - element at frontier of tiny perturbative zone goes up less than 20. 7 %, linear interface will grow up stablly and form layered structure ; if it goes up more than 20. 7 %, linear interface is not stable and will form aggregate structure

    通過建立界面擾動模型，推導了三元固態置換反應系界面穩定性的化學勢梯度判據。結果表明：如果擾動微區前沿速率控制元素的化學勢梯度升高小於20 . 7 ，平面界面穩定長大，將形成層狀結構；若大於20 . 7 ，平面界面不穩定長大，將形成束集型結構。
  12. Based on minimized potential energy theory, equilibrium equation was founded using displacement method

    根據最小總勢能原理，推導了以位移法為基礎的力學平衡方程。
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