粘彈性體 的英文怎麼說

中文拼音 [niándànxìng]
粘彈性體 英文
viscoelastic body
  • : 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 ...
  • : 體構詞成分。
  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、粘彈性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材料與幾何非線數值計算的細致步驟。
  2. Dynamic behavior of viscoelastic cylinder in axial flow

    軸向流動中圓柱的動力特分析
  3. The time - related expression of stain along the crack - tip extension line was given from the use of the elastic - viscoelastic correspondence principle and standard linearity body model and the non - linear factors, which caused the gradual difference between the theoretical and actual value with the increase of time, were analyzed

    應用廣義?對應原理,給出了線粘彈性體裂尖延長線應變值隨時間變化的表達式,分析導致理論與實驗情況隨時間增加產生偏差的非線因素。
  4. 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、含缺陷流變的材料破壞理論等知識,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。
  5. 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:對完建和蓄水時壩的應力和變形進行平面非線靜力分析計算和平面靜力分析計算,對分析計算結果作出結論。
  6. 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

    由於固火箭發動機的推進劑藥柱是一種材料,襯層和絕熱層也具有質,因此其界面脫問題實際上是-或雙各向同材料界面裂紋問題,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。
  7. 4. with visco - elastic boundary of soil considered, the eigenvalue equation in frequency domain of soil dynamic equilibrium equation falls into a complex transcendental equation. in course of seeking its solution, based on argument principle and contour integral, with the aid of matlab, two numerical algorithm combined with the corresponding procedures for solving transcendental equations in a complex plane is developed by the author

    4 、由於考慮了土支承邊界條件,使得其動力平衡方程在頻域內的固有值方程為一復數超越方程,為了求解該方程,筆者基於幅角原理和閉合曲線積分,結合matlab ,提出了復平面上超越方程的兩種數值解法,並編制了相應的程序。
  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

    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 、得到了改聚丙烯材料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。
  9. In the present, the models used widely are two kinds : the continuous model. the continuous model is supported by " smearing out " the discrete support along the track. giving a continuous viscoelastic foundation and a continuous layer represent sleepers

    目前所使用的計算模型主要分為兩種:一種為連續型模型:將沿軌道方向的離散支撐連續化,將枕木模擬為剛或為有均布質量和剛度的梁,使枕木成為地基上的連續層。
  10. Headquartered at pennsylvania, usa, and being a wholly owned subsidiary of total, sartomer is the premier global company which produces and markets chemical products such as monomers, oligomers, photoinitiators, various resins and other specialty chemicals widely used for coatings, inks, adhesives and sealants, optical, composites, elastomers and electronics and other specialty applications

    沙多瑪公司是道達爾集團的全資子公司,總部位於美國賓夕法尼亞州,是全球的主要化工生產企業之一,其主要產品有單、齊聚物、光引發劑、各種樹酯,以及其他廣泛應用於塗料、墨水、合劑、密封劑、光學材料、復合材料、、電子束和其他用途的特種化學品。
  11. The pile is assumed to be vertical, elastic and of variable impedance, and the soil is layered and with viscous damping

    假定樁為豎直變阻抗,土為成層線粘彈性體,其材料阻尼為阻尼。
  12. The pile is assumed to be vertical, elastic and of uniform cross - section, and the soil is regarded as a linear visco - elastic layer with hysteretic damping

    假定樁為豎直等截面,土為線粘彈性體,其材料阻尼為滯回阻尼。
  13. One of these methods, passive control using viscoelastic or viscous dampers, has been applied to more and more projects in the past, because they can reduce the seismic response effectively, economically and rarely need to be repaired after they are installed

    其中利用滯流阻尼器對結構進行被動控制的方法,由於其有效、經濟和安裝后不再需要維護,而被越來越多的結構設計所採用。
  14. 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能進行了詳細的研究,進而也分析了多層復合結構的隔聲能。
  15. These results are consistent with the results from gross and salzstein and so on. osteoblast is the seeded cell of bone tissue engineering. now, in order to research the response of the osteoblast when it is cultured with mechanical stimulating, the paper consider the osteoblast as an homogeneous, isotropic, incompressible viscoelastic medium

    由於成骨細胞是骨組織工程的種子細胞,為研究其在機械刺激離培養下的受力情況,論文將成骨細胞看作是一種均勻、各向同、不可壓縮粘彈性體,然後應用數值方法將物理關系中的遺傳積分展開,從而導出物理關系的矩陣形式。
  16. In order to investigate the growth law of bone tissues deeply, osteoblast ( the seeded cell of bone tissue engineering ) is regarded as a incompressible viscoelastic medium. then the mechanical behavior of oeteoblast was analyzed, which is the basis to culture bone tissue

    然而為了進一步深入細致地研究骨組織生長規律,論文將骨組織工程種子細胞成骨細胞看成是一種不可壓縮粘彈性體,分析了其在離培養下的力學行為,從而為更好地理解生長規律,並為骨組織的離培養提供理論依據。
  17. Finally, to consider the effect of the compression of the approach embankment to the determination of the tolerable differential settlement, this paper, considering the flexible pavement as viscoelastic multilayers and dividing the moving traffic load into fourier series, presents the formulation and the application of a combination of transfer matrix and laplace transform and fourier transform approach to evaluate dynamic response of the flexible pavement subjected to a moving traffic load under modified plain - strain condition. the predictive capability of the model are verified by the laboratory model

    為了考慮車路耦合對路橋過渡段容許差異沉降確定的影響,本文將柔路面視作粘彈性體層狀系,採用修正的平面應變模型,將移動的車輛荷載用傅立葉級數展開,用傳遞矩陣配拉氏變換和傅立葉變換法進行了移動荷載作用下柔路面動力響應分析,並用模型試驗證明了理論分析結果的正確
  18. Evolution equation of viscoelastic medium and exact solutions for generalized thermodynamic forces

    粘彈性體發展方程中關于熱力學廣義力精確解
  19. Exact solutions of evolution equation for generalized thermodynamic coordinates of viscoelastic medium

    粘彈性體發展方程關于熱力學廣義坐標的精確解
  20. Afterward the numerical method was used to decompose the inherited integration, so the matrix form of constitution equations was derived. then through utilizing the lagrange equation directly, the paper gets the finite element formula. to test the model, the paper calculate the osteoblast ' s dynamic response under near static load and sinusoidal load at a simple tension beam and a four point bending beam

    針對單向拉伸和四點彎曲兩種離培養成骨細胞的裝置,再根據實際情況,將培養基看成是一種多孔材料,而將成骨細胞看成是粘彈性體,利用自編的有限元分析程序分別計算了受擬靜態載荷和受交變載荷下細胞的動力響應,結果很好地反映了細胞的質。
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