stress singularity 中文意思是什麼

stress singularity 解釋
應力奇點
  • stress : n 1 壓力,壓迫,緊迫,緊張。2 【語音】重音;重讀;【詩】揚音;語勢,著重點。3 重要(性),重點,...
  • singularity : n. 1. 奇特;特別;非凡,異常;奇特的東西;怪癖,特性。2. 〈罕用語〉獨一,單一,獨個。3. 【天文學】奇點〈宇宙物體收縮至無限大密度和無限小體積的空間的一個假想點〉;【數學】奇點。
  1. 2. eigenequation about singularity, singular stress fields and electrical displacement fields near the axisymmetric interface edge of two bonded dissimilar transversely isotropic materials are obtained under axisymmetric distortion. 3

    然後,考慮電學物理量的影響,將上述特殊有限元法應用於壓電/壓電以及壓電/彈性接合材料界面端奇異性的求解。
  2. 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。
  3. Firstly, after depicting the singularity of stress field at the top of crack, the finite element method to calculate stress intensity factor of plain fracture problems is founded

    首先,對反射裂縫尖端應力場的奇異性進行了描述,建立了平面斷裂問題應力強度因子的有限單元解。
  4. ( 5 ) aiming at irregularity of a real fracture surface or a real crack profile, applying griffith ' s criterion and fractal geometry, the real asymptotic expression at the crack tip is developed, and it is discovered that the fractality of the crack reduces the stress singularity at the crack tip

    ( 5 )針對實際斷裂面或裂縫的不規則性,利用griffith能量平衡原理及分形幾何,推導了裂縫尖端實際應力場和位移場的表達式,研究發現,裂縫的分形性減小了裂縫尖端應力的奇異性。
  5. Based on the theory of fracture mechanics, the relation between the critical stress intensity factors for v - notch kc and the plane strain crack toughness k10c and the brittle fracture criterion of the maximum circumferential stress for single and double stress singularity with the v - notch problems are proposed. experiments were carried out using two kinds of v - notched specimens made out of plexiglas to verify this brittle fracture criterion

    本文基於斷裂力學原理,推導出了型切口的臨界應力強度因子k _ c與材料的平面應變斷裂韌度k _ ( 10c )之間的關系,給出了平面單奇異性和雙奇異性型切口問題的最大周向應力脆性斷裂準則,並用有機玻璃板材加工了兩種型切口試樣,進行了實驗驗證。
  6. Singularity stress analysis near the tip of v notch in homogeneous materials

    型缺口尖端振蕩性奇異應力場產生的條件
  7. Based on the basic equations of the elasticity plane problem and the two airy stress functions in the thesis, stress singularity eigenequations and displacement fields as well as singular stress fields near the v - notch tip and the crack tip for homogeneous materials are obtained

    本文基於彈性力學平面問題的基本方程,引入兩個airy應力函數,推導了均質材料型切口尖端和裂紋尖端的應力奇異性特徵方程及其附近的奇異應力場和位移場。
  8. On the stress singularity of a crack terminating at the interface

    與界面相交的裂紋尖端的應力奇異性分析
  9. Exact solution for mode - stress singularity factor of double periodic unequal rigid lines

    型應力奇異因子的精確解
  10. Stress singularity analysis and fracture toughness on interface end of steel epoxy pull - out test

    環氧拔出試件界面端奇異應力場強度表徵及其試驗測試
  11. In all kinds of materials, the existence of a stress singularity was studied widely by engineers

    在各種材料中,出現的應力奇異性已為工程技術人員的科學研究提供了豐富的素材。
  12. Abstract : in all kinds of materials, the existence of a stress singularity was studied widely by engineers

    文摘:在各種材料中,出現的應力奇異性已為工程技術人員的科學研究提供了豐富的素材。
  13. Numerical methods to determine the stress intensity factors for single and double stress singularity problems are presented and a pathway is provided to select nodes for improving the accuracy of the stress intensity factor

    提出了確定單應力強度因子和雙應力強度因子的數值方法以及提高應力強度因子求解精度的結點選取方法。
  14. By utilizing the above methods and the results of the finite element program named msc / nastran, the paper carries through specific calculations corresponding to the single stress singularity and the double stress singularity issues, which consist of the cracks for mode i, mode ii, the mixed mode crack of mode i and ii and many v - notched problems

    利用上述數值方法和有限元程序msc nastran的數值分析結果,對型、型、與復合型平面裂紋以及多種型切口問題進行了具體計算。計算結果表明,本文所提出的數值方法具有簡單、通用和精度高的特點,便於實際工程應用。
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