材料粘彈性 的英文怎麼說

中文拼音 [cáiliàoniándànxìng]
材料粘彈性 英文
material viscoelasticity
  • : 名詞1 (木料) timber 2 (泛指可以直接製成成品的東西; 材料) material 3 (供寫作或參考的資料) ma...
  • : 名詞1 (材料; 原料) material; stuff 2 (喂牲口用的穀物) feed; fodder 3 (料器) glassware 4 (...
  • : 粘動詞(粘附) glue; stick; paste; adhere to; bond
  • : 彈名詞1. (彈子; 小球形的東西) ball; pellet 2. (內裝爆炸物, 具有破壞和殺傷能力的東西) bullet; bomb
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • 材料 : 1. (原料) material 2. (資料) data; material 3. (適于做某種事的人才) makings; stuff
  1. The scielltific computational theories and methods on bird strike to the windshield of aircraft have been systematically studied and summed up in this thesis, such as fem comptltational principles and procedures to elastic dynamic problems under the conditions of small and non - linear finite deformation, 3d viscous elastic constitutive theory and incremelltal expression under the consideration of the rate effect of non - metallic materials like the aircraft windshield, and the numerical compatational principles and key constitutions for impact - contact dynamic subjects

    2 、系統學習並歸納總結了鳥體撞擊風擋結構問題中的科學計算理論與計算方法。按照鳥撞問題數值計算方法逐步深入的思路,系統總結了小變形結構動力學有限元數值計算方法、有限變形的幾何非線有限元數值計算方法、體非線形變的本構物理關系;對于實施復雜結構有限元動力學計算的載荷增量方法提出了對newmark差分的改進以及進行與幾何非線數值計算的細致步驟。
  2. Viscoelastic theory is a boundary science that depends on the development of mechanic and material science, it is one of the important parts of continuum mechanic

    理論是在力學和之間發展起來的邊緣科學,是連續介質力學的一個重要組成部分。
  3. A little emulsoid was added in the bitulith to improve the performance of asphalt pavement. the new material is of rigidity and flexibility. we called it semi - rigid bituminous emulsion

    乳化渣油半剛路面就是針對瀝青混凝土的弱點進行改研究的一種新型復合,其在增加剛度的同時仍保留了部分特徵。
  4. A rate - dependent damage evolution modified zwt nonlinear constitutive ralation is adopted, an object function of least square was established according to the experimental results. the searching space of each decision variable was foreordained with conventional optimizing method, and all parameters in zwt model for solidified pf resin were determined with generic algorithms

    基於實驗曲線構建了最小二乘形式的目標函數,並採用傳統優化方法輔助設計了各個決策變量的搜索空間,進而用遺傳演算法確定了損傷型zwt非線本構關系中的參數。
  5. Analysis on stress uniformity of viscoelastic materials in split hopkinson bar tests

    試驗中的應力均勻分析
  6. At the same time we study, analysis and discuss the action that non - linearity - stickiness - springiness and crazing damage of the pmma sample under creep though making us of the knowledge about the high molecule physics the damage theory of material of rheology of bodies with defects. through the study and theory analysis of single - axes stretching experiment in pmma sample under creep, take the surface crazing damage density of pmma sample as an variable, to look for a commonly rule that the crazing damage of pmma, and to offer a feasible damage model for the sake of study that of pmma ' s remoteness damage

    同時運用高分子物理、含缺陷流變物體的破壞理論等知識,對無孔洞pmma試件和有孔洞pmma試件蠕變條件下非線行為及其銀紋損傷現象進行了研究、分析與探討,通過對蠕變條件下的pmma試件的單軸拉伸實驗研究和理論分析,以pmma試件的銀紋損傷面密度值為損傷變量,來嘗試尋求pmma銀紋損傷的一般規律,為研究pmma的細觀損傷提供了一種可行的損傷模型。
  7. In addition, active constrained layer damping ( acld ) has attracted scholar ' s interests because it has the advantages of passive control and active control. the mechanism of vibration control of acld and the models of how to deal with the viscid - electric material are introduced. the finite element model of acld with ghm model is established in this paper

    此外,主動層阻尼結構( acld )由於兼有被動控制和主動控制兩者之優點也引起了國內外學者的興趣,本文給出了主動層阻尼結構(約束層採用壓電)抑振的工作機理,介紹了處理層( vem )的幾種模型,並採用ghm模型建立了主動層阻尼結構的有限元模型。
  8. The resin-based coatings are viscoelastic materials with properties that vary as a function of time.

    松脂基塗層是能隨時間變化的
  9. Composite materials often exhibit viscoelastic behavior

    的重要質。
  10. The mini - oscillator model research for viscoelastic material

    的微振子模型研究
  11. So we do n ' t ignore the effect of inner amortisseur of these materials, these similar materials are called the viscoelastic

    在對大多數這樣的研究時,我們不再忽略它們的內部衰減的影響,這些
  12. 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

    隨著非線的廣泛使用和在極端條件下的使用,在長期荷載作用下頻繁出現的延遲的災難的事故使得非線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。
  13. 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,襯層和絕熱層也具有質,因此其界面脫問題實際上是-或雙各向同界面裂紋問題,對該問題的研究涉及到力學、界面斷裂力學和燃燒學等相關學科。
  14. The results of test and theoretical calculation indicate that the friction device does not slide under minute earthquake, thus the control effort of f - ved corresponds with ved, and the action of frd is the same as pure brace. when disastrous earthquake occurs, the viscoelastic material reaches its shear limits and the friction device begins to slide, so the control effort of f - ved is the best

    試驗結果和理論計算結果表明,在多遇地震下摩擦機構不起滑,-摩擦阻尼器的減振效果和純阻尼器相當,而摩擦阻尼器的作用相當于純支撐;在罕遇地震下達到剪切極限,摩擦機構起滑,故-摩擦阻尼器的減振效果最好。
  15. 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 、得到了改聚丙烯用於非線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。
  16. A two dimension small scale force sensor is developed which is used in the adhesion and friction tests, the sensor works well in the experiments. elastic modulus of nine different polyester / silicon rubber mixtures is tested, the results show that mixtures ’ elastic modulus increases with the aggrandizing of mass percentage of polyester. mixtures ’ adhesion abilitiy and especially mixture a ’ s adhesion - friction relationship are tested. these results provide experimental evidences for the fabricating of synthetic gecko hairs. lastly, a primary analysis of nanoscale hair modle is done, some hair preparation method is introduced, and the synthetic gecko foot hair fabricated by model moulding method is tested

    測試九種不同配比聚氨酯/硅橡膠合成模量值,得出合成模量隨聚氨酯質量百分比增加而增大的結論;對九種合成試樣進行了能測試,對實驗結果進行比較分析和討論;對著力最大的a試樣進行著力與摩擦力關系的實驗,得出著狀態下a試樣摩擦力與著力成線關系的結論。
  17. A homogenization - based method for predicting the viscoelastic property of multi - layered composite material is presented. by laplace transforming the governing equation of the viscoellastic problem of jointed rock, the dependent relation of the laplace transformation of the effective relaxation modulus of jointed rock on the joint distribution was derived by applying the homogenization method in laplace transformed domain. then, the effective relaxation modulus was obtained from the inverse transformation

    首先對層狀復合材料粘彈性問題的控制方程進行laplace變換,在像空間中利用均勻化理論建立宏觀鬆弛模量的laplace變化與各層形式的依賴關系解析表達式,通過laplace逆變換可獲得等效鬆弛模量預測的解析表達式,並給出了體積變形為、剪切變形符合三元件模型的單向節理巖石的鬆弛模量預測的數值算例。
  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能預測的理論和方法。該方面的研究對于復合的微觀設計和節省實驗費用都具有重要意義。
  19. 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-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在相空間中多個離散點的本構關系,然後根據典型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的鬆弛模量。
  20. And then the brief description of the researches in micro - mechanics is presented. ( see chapter 1 ) 2. the basic conception of the homogenization theory is given, and then by laplace transforming, the formulae for predicting the viscoelastic relaxation moduli in laplace transformed domain are obtained from the governing equation of the problem of composite materials

    (詳見第一章) 2 、在簡要介紹細觀多尺度均勻化方法的基本理論的基礎上,通過復合材料粘彈性問題的控制方程的laplace變換,並利用對應原理,在像空間中導出了利用均勻化理論預測宏觀鬆弛模量的laplace變換泛函形式。
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