viscoelastic materials 中文意思是什麼

viscoelastic materials 解釋
粘彈性材料
  1. Stability of travelling waves for non - convex system of one - dimensional viscoelastic materials with boundary effect

    具邊界效應一維粘彈性物質的非凸方程組行波解的穩定性
  2. Analysis on stress uniformity of viscoelastic materials in split hopkinson bar tests

    試驗中粘彈性材料的應力均勻性分析
  3. The resin-based coatings are viscoelastic materials with properties that vary as a function of time.

    松脂基塗層是性能隨時間變化的粘彈性材料。
  4. Composite materials often exhibit viscoelastic behavior

    粘彈性是材料的重要性質。
  5. So we do n ' t ignore the effect of inner amortisseur of these materials, these similar materials are called the viscoelastic

    在對大多數這樣材料的研究時，我們不再忽略它們的內部衰減的影響，這些材料為粘彈性材料。
  6. Increasingly widely use of nonlinear viscoelastic materials, use of materials under extreme conditions, along with frequent occurrence of delayed catastrophic accidents, all these make the study a pressing problem of initiation and crack growth of nonlinear viscoelastic fracture

    隨著非線性粘彈性材料的廣泛使用和材料在極端條件下的使用，在長期荷載作用下頻繁出現的延遲性的災難性的事故使得非線性粘彈性的裂紋起裂時間和裂紋擴展速度的研究成為亟待解決的問題。
  7. Because the propellant grain is viscoelastic material, the liner and adiabatic layer are also viscoelastic one, the interface debond problem is actually interface crack about elastic - viscoelastic or bi - viscoelastic materials. research about this problem relates to the knowledge of viscoelastic mechanics and interface fracture and combustion. numerical analysis method about interface debond on solid rocket motor is researched in this paper

    由於固體火箭發動機的推進劑藥柱是一種粘彈性材料，襯層和絕熱層也具有粘彈性性質，因此其界面脫粘問題實際上是彈性-粘彈性或雙粘彈性各向同性材料界面裂紋問題，對該問題的研究涉及到粘彈性力學、界面斷裂力學和燃燒學等相關學科。
  8. The main purpose of this paper is to study crack growth rate of a class of nonlinear viscoelastic materials under the condition of constant load and small - strain. in this paper : the new test program is raised by referencing the existing test programs and by our trial and error ; in the new test program, facilities involved in the nonlinear viscoelastic crack tests are relatively few, the test process is relatively simple and the data obtained from the experiments are credible. on this basic, the calculation of j integral of nonlinear viscoelastic double cantilever beams specimens and the parameter of fracture work of corresponding nonlinear viscoelasticity are derived

    具體成果包括： 1 、證實了雙懸臂梁試件用於非線性粘彈性裂紋擴展實驗研究的優點：雙懸臂梁試件在實驗中能觀測到的擴展過程持續時間比較長，在計算j積分時，計算方法簡單； 2 、得到了改性聚丙烯材料用於非線性粘彈性裂紋擴展實驗的兩種有效的試件構形和相應的試件尺寸；採用不斷改善夾具的方法使得加載穩定； 3 、經過連續四個多月的時間得到了一組有用的實驗數據； 4 、得到了裂紋長度與時間的關系、裂紋擴展速度與時間的關系、裂紋擴展速度與裂紋長度的關系。
  9. The conclusions are drawn by analysis : the sound insulation performance of structure is improved by using flexible viscoelastic materials ; otherwise it is complicated to sound insulation for incidence angles and the thickness of materials ; for multi - layered compound structure, it is important to choose flexible viscoelastic materials as external rubber, which can gain good insulative effect

    分析表明：軟質阻尼材料能明顯改善結構的隔聲性能；相對來說入射角度和材料的厚度對隔聲性能的影響比較復雜；而對于多層復合結構而言，面層橡膠的選取尤為重要，一般採用軟質橡膠材料來得到大的隔聲量。
  10. Based on the sound wave transferring theory of infinite elastic and viscoelastic materials with the method of transferring matrix, the formulas of transmission coefficient and the level of sound insulation are gained, which consider shearing strength in the rubber, and the sound insulation properties of compound structures are discussed in condition of oblique incidence

    摘要基於無限大彈性體和粘彈性體的波傳遞理論，採用傳遞矩陣的方法，對斜入射情況下的透射系數和隔聲量進行了理論推導，考慮了聲波在橡膠中傳播所產生的剪切力，並就單層復合結構的隔聲性能進行了詳細的研究，進而也分析了多層復合結構的隔聲性能。
  11. Linear viscoelastic materials ; concepts, constitutive equations, basic functions

    線性粘彈材料.概蓮結構公式和基本函數
  12. The creep and relaxation of composite materials may lead the structures losing their function. the wide applications of composite structures make the research of the composite material ' s viscoelastic properties become an important task. recently, this research has attracted many attentions

    隨著復合材料在工程中的廣泛應用，尤其是復合材料在極端情況下（高溫、高壓、高速） ，蠕變現象和鬆弛現象使得結構無法正常工作，這使復合材料的粘彈性性能的研究受到越來越多的重視。
  13. In the positive - issue research of bird impact, the thesis carefully explores the basic theories, finite element numerical method and key techniques of the solution process in ls - dyna3d software system for contact - impact issue of viscoelastic bodies at large deformation. the well - chosen cases examine the accuracy of solutions in ls - dyna3d for large deformation impact issues. under the proof work, the incremental constitutive equation of bilinear and nonlinear viscoelastic materials are derived, coded and verified in ls - dyna3d

    在鳥撞正問題的研究中，本文詳細推導了大變形粘彈性接觸-碰撞有限元分析的基本理論、數值計算方法、求解過程、關鍵技術以及上述內容在ls - dyna3d中的具體應用，算例考察了ls - dyna3d在求解碰撞以及大變形問題上的計算精度，同時推導了線彈性材料、雙線性彈塑性材料以及非線性粘彈性材料增量法迭代方程，編制了相應的用戶自定義材料子程序，並進行了子程序驗證。
  14. Graphical presentation of the complex modulus of viscoelastic materials

    彈性材料復數模量的圖形表示
  15. Resonance method for measuring the dynamic mechanical properties of viscoelastic materials

    彈性材料的動態機械特性測量的諧振法
  16. Energy dissipation in particulate - reinforced viscoelastic materials under the condition of high stress triaxiality

    高三軸應力條件下粒子填充粘彈性材料的能量耗散
  17. Single cantilever beam method for measuring the dynamic mechanical properties of viscoelastic materials

    彈性材料的動態機械特性測量的單懸梁法
  18. In this thesis, homogenization - based methods for predicting the viscoelastic property of multi - layered composite materials and unidirectional fiber reinforced composite materials are presented, and the relation curves of the moduli of materials with and inclusion volume fraction are given in the article

    這對指導復合材料的生產實踐具有重要意義。因此，需要研究微觀結構與宏觀結構之間的關系，研究復合材料粘彈性性能預測的理論和方法。該方面的研究對于復合材料的微觀設計和節省實驗費用都具有重要意義。
  19. The main purpose of this paper is to convert the solution for elastic materials to that for viscoelastic materials by using the correspondence principle

    本文的主要目的在於對粘彈性材料的應力奇異性進行探討，利用對應性原理從彈性材料導出粘彈性材料的應力奇異分佈。
  20. By laplace transforming the governing equation of the problem of unidirectional fiber reinforced composite materials, the formulae for predicting the viscoelastic relaxation moduli in laplace transformed domain are obtained. according to correspondence principle of viscoellastic mechanics and elastic, mechanics, the results of effective moduli for several s are obtained by using the finite element method of the homogenization. then effective relaxation moduli should be curve - fitted, according to the viscoelastic relaxation modulus formulae of many viscoelastic materials

    首先對單向纖維增強復合材料粘彈性問題的控制方程進行laplace變換，在像空間s中利用均勻化理論建立宏觀鬆弛模量的laplace變換泛函形式，根據粘彈性-彈性對應原理，用均勻化問題的有限元方法預報單向纖維增強復合材料在相空間中多個離散點的本構關系，然後根據典型粘彈性材料的鬆弛模量具有的函數形式進行曲線擬合，再通過對擬合出的函數進行laplace逆變換，從而再回到時間t域，就得到了單向纖維增強復合材料的鬆弛模量。
分享友人
分享到 Line

分享到臉書