粘彈性變形 的英文怎麼說

中文拼音 [niándànxìngbiànxíng]
粘彈性變形 英文
viscoelastic deformation
  • 粘 : 粘動詞（粘附） glue; stick; paste; adhere to; bond
  • 彈 : 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
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  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性有限元數值計算方法、粘彈性體非線性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材料與幾何非線性數值計算的細致步驟。
  2. The abrupt disappearance of stick-slip at the lower speed level is attributed to changes in the elastic deformation of the fiber.

    在低速水平時，粘滑現象也消失，這是由於纖維彈性變形的改變。
  3. 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非線性粘彈性本構關系中的材料參數。
  4. The main content of this article includes : " ( l ) the planar non - linear and viscid - elastic static mechanical analysis is used to analyze and calculate the md in service. ( 2 ) the planar nonlinear static mechanical analysis of the stress and deformation is used to analyze the med in banking, which is banked to the height of 140m

    主要研究工作有： （ 1 ）茅坪溪防護大壩完建和蓄水時的應力和變形的分析計算：對完建和蓄水時壩體的應力和變形進行平面非線性靜力分析計算和平面粘彈性靜力分析計算，對分析計算結果作出結論。
  5. Investigation of waves behavior in a finite deformation viscoelastic rod

    有限變形粘彈性桿的波動行為研究
  6. A developed measuring system and test method of green sand properties are introduced. by means of measuring the standard molding sand specimens, the dynamic curves of stress - strain can be quickly and accurately plotted out and several parameters, which represent the characteristics of molding sand, can be tested during the process of compressive deformation. in this brand new method of property measurement two new concepts of viscoelastic parameter and plastic deformation threshold are put forward

    介紹了一種研製的型砂性能檢測系統與測試方法，通過對標準砂樣的測試，能迅速、準確地測得砂樣受載過程中的應力應變的動態關系曲線及反映型砂本質特徵的幾項性能參數，這是型砂性能檢測領域中的新探索，其中型砂粘彈性指標及塑性變形臨界值乃是型砂性能方面的新概念。
  7. Fig. 8. 29 shows the effect on the solution of including elasticity and enhanced viscosity.

    圖829表示考慮彈性變形及粘度提高對計算結果的影響。
  8. The study demonstrated that linear visco - elastic parameters of rheological models built by theoretical modeling methods were constant while nonlinear visco - elastic parameters were not constant and changed as stress level changed and that visco - plastic parameters determined the shape of stress - strain curve

    研究表明：運用模型理論建立的流變模型的線性粘彈性參數在低應力水平下是惟一的，但非線性粘彈性參數不惟一，並隨應力水平的變化而變化，而粘塑性參數的大小決定了應力應變等時曲線的形狀。
  9. In the paper, static and dynamic triaxial tests were conducted on fiy ash at shanmenxia longgou ash dam, and the static and dynamic parameters of fly ash were obtained. thirdly the 2 dimensions static analysis of the ash dam was conducted based on biot ' s consolidation theory and duncan ' s nonlinear stress - strain model. finally the plane dynamic behaviors of the ash dam during earthquake of intensity 7 were analyzed based on the exponent function model of excess pore water pressure aroused by earthquake, which is put forward in the paper, and equivalent visco - elastic dynamic fem model and principle of effective stress

    本文結合實際工程，對三門峽火電廠龍溝灰壩的築壩粉煤灰進行了靜、動三軸試驗，確定了該壩粉煤灰的靜動力學指標；然後根據比奧（ biot ）固結有效應力原理，採用鄧肯（ duncan ）非線性應力應變模型，對該灰壩的二維靜力應力和變形狀態進行了分析；最後利用本文提出的地震超靜孔壓指數函數模型，採用等價粘彈性動力有限元方法，對該灰壩在地震作用下的動力穩定性進行了分析評述。
  10. The specimen of the test was stimulated by viscoelastic model and the wheel load was stimulated by special function, which are brought into viscoelastic equation. after solving the equation, we can work out the theoretical answer. thus we can figure out the ds and the deformation curve

    本文應用粘彈性理論研究車轍試驗，應用粘彈性模型模擬車轍試驗的試件，擬合車轍試驗的輪載，帶入粘彈性本構方程，獲得理論解，從而獲得車轍試驗的變形曲線和動穩定度值。
  11. 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。
  12. Introduces some anti - seepage high embankment dams in the world with bitumen concrete inclined core wall, and analyzes, taking the existing maopingxi embankment dam as an example, the effect of slope thereof on the stress and deformation of the wall by non - linear adhesive elastic finite element calculation changing the type and thickness of the core wall

    摘要介紹世界上幾座瀝青混凝土斜心墻防滲高土石壩，並結合國內已建的茅坪溪瀝青混凝土心墻壩，通過改變其心墻形式和厚度，並用非線性粘彈性有限元對其進行計算分析，探討了斜心墻的傾斜斜率對心墻的應力與變形的影響。
  13. If the evaporation proceeds further, trehalose in solution turns to a form of syrup with high viscosity and then to a viscoelastic state

    如果幹燥得更深一步，海藻糖在溶液中就會形成高粘性得糖漿，隨后並轉變成粘彈性狀態。
  14. 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
  15. In the paper, by using bp ( back propagation ) method of ann, we can get the relationship between grading, asphalt - aggregate ratio, bulk density, percentage of voids, test temperature and ds. at the same time, we can get the relationship between grading, asphalt - aggregate ratio, bulk density, percentage of voids, test temperature and viscoelastic parameter. at last, we can estimate the ds and draw the deformation curve

    本文應用bp人工神經元網路，建立瀝青混合料的礦料通過百分率、瀝青用量、毛體積密度、空隙率、試驗溫度與瀝青混合料粘彈性參數的關系，或建立瀝青混合料的礦料通過百分率、瀝青用量、毛體積密度、空隙率、試驗溫度與車轍試驗動穩定度值的關系，從而預估車轍試驗的動穩定度值和繪制車轍試驗變形曲線。
  16. ( 1 ) analyze the mechanism of the friction between the tyre and pavement and the factors which affect the friction ; the friction between tyre and pavement involves four aspects : the molecule force, the adhesion between tyre and pavement, the elastic distortion of rubber on the tyre surface and the tiny cutting of the little - size protruding on pavement

    鄭州大學碩士學位論文摘要一輪胎與路面間的摩擦力主要有四個方面：輪胎與路面間的分子力作用：輪胎與路面間的粘著作用；胎面橡膠的彈性變形；路面上小尺寸微凸體的微切削作用。
  17. The process and mechanisms of slipping, exfoliation to layered graphite and compounding with polypropylene ( pp ) on nano - scale were systemically studied. the effects of shearing force field offered by pan - milling and confined environment of the exfoliated graphite on the microstructure of polypropylene, the electrical and thermal conductivities of the nanocomposites were also investigated. based on the experimental results, a modified electrical conductive model as well as thermal conductive model for polymer - based composites was proposed

    利用層狀無機物（如石墨）的弱層間結構和聚合物的粘彈性特點，在磨盤碾磨剪切力場作用下，通過摩擦和拉伸形變錯位、擠壓嵌合、拉伸滑移、剪切剝離與粉碎和混合分散等過程，實現層狀無機物層間剝離和與聚合物的納米復合。
  18. 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。
  19. Element constitutive model is adopted to testify the necessity of non - stationary parameters. one - dimensional non - stationary visco - elastic creep equation of rock is given. according to data contrast of theory and experiment, non - stationary visco - elastic constitutive model more accurately reflects the deformation capability of rock than the constant one

    建立了一維情況下，非定常粘彈性模型的蠕變方程，通過理論計算結果與試驗結果的對比，發現非定常粘彈性模型比定常粘彈性模型更為準確的反映了巖石的粘彈性變形性能。
  20. Based on the creep experimental data of shale, the relationship between stress level, time and visco - elastic deformation disciplines of rock is analyzed

    本文在頁巖蠕變試驗數據的基礎上，分析了巖石粘彈性變形隨應力水平不同和時間發展的變化規律。
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