viscoelastic material 中文意思是什麼

viscoelastic material 解釋
粘彈性材料
  • viscoelastic : adj. 黏彈性的。
  • material : adj 1 物質的（opp spiritual）。2 身體上的，肉體上的；物慾的，追求實利的；卑俗的。3 有形的，實體的...
  1. 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

    粘彈性理論是在力學和材料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。
  2. The mini - oscillator model research for viscoelastic material

    粘彈性材料的微振子模型研究
  3. 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。
  4. 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，粘彈性-摩擦阻尼器的減振效果和純粘彈性阻尼器相當，而摩擦阻尼器的作用相當于純支撐；在罕遇地震下粘彈性材料達到剪切極限，摩擦機構起滑，故粘彈性-摩擦阻尼器的減振效果最好。
  5. Acoustic parameters measurement of viscoelastic material in median and high frequency

    中高頻段下的粘彈性材料聲學參數測量
  6. With engineering polymer - pmma taken as the main researched object and viscoelastic failure considered as the theory basis, the non - linear viscoelasticity and crazing damage phenomena under creep condition in macromolecule material were researched by means of experiment

    本文以工程高聚物pmma為主要研究對象，以粘彈性破壞理論為基礎，以實驗為手段，對高分子材料蠕變條件下的非線性粘彈性性能及其銀紋損傷現象進行了初步探討。
  7. Numerical viscoelastic modeling for porphyroclast rotation in ductile shear zones is done by a viscoelastic finite element program based on detailed investigation to three ductile shear zones, the taihangshan mountains, north china. in this model porphyroclast garnet is assumed as isotropic elastic material with small elastic deformation, while the matrix quartz, feldspar as viscous fluid maxwell material which has increasing deformation with time. the viscosity of matrix is supposed to be 10

    採用粘彈性力學分析程序對太行山阜平地區剪切帶中斑晶旋轉問題進行了有限元數值模擬。在計算模型中假定：石榴石斑晶為彈性材料，在應力作用下只產生很小的彈性變形石英長石質的基質部分為粘彈性材料，它具有隨時間變形不斷增大的特性。
  8. As an important component in laminated composites, the foamed polymer material ( polyurethane foam, puf ) is also studied in this paper. the viscoelastic property ' s influence on absorption property is studied by fem, and the relationship between the macroscopical physical properties and the absorption property is researched by experiment

    另外對作為層合復合降噪材料重要組份之一的高聚物發泡材料（ puf ）的吸聲性能進行了探討，通過有限元方法模擬其粘彈性能對吸聲性能的影響，並實驗研究了其宏觀物理表徵與吸聲性能的關系。
  9. An optimal hankel norm approximation model reduction method is used to reduce the equations of motion to lower order size. it is shown that the method is steady, efficient by numerical emulating. firstly, the influence of viscoelastic layer thickness and material properties, piezoelectric actuator layers thickness on the vibration suppression are investigated

    採用最優hankel最小階逼近降階法對主被動混合阻尼結構的控制狀態方程進行降階，以附加主動約束阻尼層的梁結構為例，進行了數值模擬，結果表明：該方法是一種穩定的、高效的、魯棒性很好的降階方法。
  10. Concretely, 1, base on the viscoelastic mechanism of polymer depend on time, single axes stretching experiments are proceeded to research viscoelastic distortion of high polymer with the dependence on non - linearity and stress. we get each material parameter by dealing with the data of experiments, and contrast several theories of one dimension creep. 2

    根據聚合物時間相依的粘彈性機理，對pmma試件進行了單軸拉伸蠕變實驗，著重研究了高聚物粘彈性變形的非線性及應力水平相關性；在此基礎上，對實驗數據進行擬合，得到了各個材料參數，並對幾種現有的一維蠕變理論進行了對比分析； 2
  11. 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。
  12. However, solid propellant is viscoelastic and nearly - incompressible, and the material parameters and load process ca n ' t be given accurately in general

    固體推進劑具有粘彈性和近似不可壓縮性，其材料參數和外激勵過程通常不能精確給出。
  13. 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彈性、剪切變形符合三元件模型的單向節理巖石的粘彈性鬆弛模量預測的數值算例。
  14. It is shown that vibration suppression efficiency of these kind of treatments depend much more on the viscoelastic layer thickness, material properties and the piezoelectric layer thickness. secondly, a linear quadratic regulator and output feedback are used to actively control vibration. it is shown that placing the active element on the opposite side of pcld or underneath pcld is capable of vibration suppression with lower control effort and more inherent damping

    定義了主被動混合阻尼結構控制性能指標：被動抑振性能指標、主動抑振性能指標、控制能量指標和控制力性能指標；然後，基於狀態反饋最優控制律，根據定義的控制性能指標分析粘彈性阻尼層厚度、粘彈性阻尼材料參數、壓電作動層厚度對主被動混合阻尼結構振動控制性能的影響，得到了一些有價值的結論。
  15. The main work done in this dissertation is organized as follows : in chapter 1, we consider a vibrating non - homogeneous beam with one segment made of viscoelastic material of kelvin - voigt type, and other parts made of elastic material by means of timoshenko model

    當梁的橫截面的尺寸與其長度相比不能忽略時，需要考慮轉動慣量的影響，此時梁的模型由rayleigh梁給出。進一步，如果再考慮到由剪切力引起的偏差，就需要引入timoshenko梁的模型。
  16. Abstract : based on the integral creep constitutive relations of viscoelastic material with damages, a new increment finite element method to solve stress, strain and damage variables is developed by using equivalent stresses, three - dimension damage field can be analyzed and coupling stress and damage field can be solved by using iteration method

    文摘:基於損傷的粘彈性材料積分蠕變型本構關系，建立了求解應力應變和損傷變量的一種新型增量型有限元法，引用當量應力，可以分析三維損傷場，採用迭代法求解相互耦合的應力和損傷場。
  17. Dynamics performance research of viscoelastic damping material

    粘彈性耗能材料的動態力學特性研究
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