粘彈性基礎 的英文怎麼說

中文拼音 [niándànxìngchǔ]
粘彈性基礎 英文
viscoelastic foundation
  • : 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 ...
  • : 名詞(墊在房屋柱子底下的石頭) plinth
  1. The beam - on - dynamic - winkler - foundation ( bdwf ) model was utilized to determine the lateral dynamic response of a pile with finite length in a viscoelastic soil. an analytical solution was obtained in the time domain for the vibration of a pile under a laterally cyclic force applied at the pile head. based on the solution, the transient response of the pile loaded by semi - sine force was acquired with superposition principle

    首先,於動力winkler模型( bdwf )對中有限長樁的水平動力響應問題進行求解,得到了單樁在樁頂受水平簡諧荷載作用下的時域解析解,並在此上通過疊加原理得到了半正弦激振條件下的瞬態解析解。
  2. In order to develop and consummate the analysis theory and calculation method of base - isolated structures, based on the research on restoring force model of isolation systems and the analysis on the nonlinear seismic response of base - isolated structures, the analysis on multi - dimensional and lateral - torsional coupled seismic response of base - isolated structures is developed in this paper. according to the mechanical performance of isolation systems, detailed analysis and improvement of the present research, an unilateral and a bilateral coupled visco - elastic hysteretic model for rubber bearings, an unilateral and a bilateral coupled visco - elasto - plastic differential hysteretic model for lead rubber bearings, an unilateral and a bilateral coupled modified visco - plastic differential hysteretic model for sliding friction bearings are proposed

    為進一步發展和完善隔震結構分析理論和計算方法,本文以隔震系統恢復力模型研究及隔震結構非線地震反應分析為,對隔震結構的多維地震反應及平?扭耦聯地震反應開展了以下幾方面的研究工作:根據隔震系統力學能的特點,在現有研究成果的上,對隔震系統恢復力計算模型進行了改進和創新,提出了普通疊層橡膠支座單向及雙向耦合恢復力計算模型,鉛芯疊層橡膠支座單向及雙向耦合微分型恢復力計算模型,摩擦滑動支座單向及雙向耦合修正微分型恢復力計算模型。
  3. ( 7 ) basing on defining damage variable with flaws in rock, this paper uses linear viscoelasticity fracture mechanics to set up a damage reep model and analyses the model

    ( 7 )在用巖石中大小、方位和位置均為隨機分佈的裂紋定義損傷變量上,利用線斷裂力學原理對考慮裂紋內水壓的巖石的損傷蠕變問題進行了建模和分析。
  4. In order to make full use of advantages of high stress precision in iem and wide use of fem, zonal fem - iem is constructed to establish a foundation of method in viscoelastic interface mechanics

    為充分利用界面元法應力精度高、有限元法適用范圍廣的優點,還建立了分區界面元-有限元法列式,為界面斷裂力學分析奠定了方法
  5. 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,以破壞理論為,以實驗為手段,對高分子材料蠕變條件下的非線能及其銀紋損傷現象進行了初步探討。
  6. The stochastic principle of virtual work is formulated for viscoelastic structural analysis. the innovated principle has solid theoretical basis and allows incorporation of different kinds of random factors

    建立了隨機分析的虛功原理,可以統一考慮各類隨機因素,理論更加完善。
  7. The results indicate that the seismic responses of pier under the viscous - spring boundary are less than that under the fixed boundary, and the seismic responses of pier on the site with the frozen layer are much less than that without the frozen layer

    結果表明類場地上的挖井橋墩,來用邊界時的橋墩地震反應比固定邊界時的地震反應小;凍土時的地震反應比融土時的地震反應明顯減小。
  8. By comparing with stochastic structural analysis, relations between the two methods have been found. the response surface method is used to obtain the second order estimates of the calculated results bound. by means of viscoelastic stochastic finite element method, the instantaneous reliability, the first passage reliability and fuzzy reliability of srm grain are investigated

    採用凸集合模型表示藥柱參數的不確定,在有限元攝動分析上進行了結構的響應區間計算,討論了概率方法和集合理論模型得到的響應區間之間的關系,利用響應曲面法進行了區間的二次估計。
  9. 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,著重研究了高聚物變形的非線及應力水平相關;在此上,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
  10. Based on the zero eigenvalue solutions and non - zero eigenvalue solutions of the problem of viscoelastic cylinders, as particular example, kelvin model ' s creep and maxwell model ' s stress relaxation are studied for the simple extension. the numerical results show that the model is reasonable, which is in agreement with viscoelastic characteristics

    在得到柱體問題的零本徵值和非零本徵值解析解的上,作為特例討論了柱體單向拉伸問題的kelvin模型的蠕變現象以及maxwell模型的應力鬆弛現象。
  11. Firstly, the dynamical performance of friction damper ( frd ) and viscoelactic damper ( ved ) is tested in this paper. the work, which gets the rules that the two dampers " hysteretic curve and performance - parameters change follows the changing of excitement, lays the foundation for designing new kind of edd

    論文首先進行了摩擦阻尼器和阻尼器的動力能試驗,獲得了兩種阻尼器的滯回曲線和能參數隨激勵質變化的規律,為進一步開發新型的耗能阻尼器提供了
  12. The essential properties like randomicity ; dynamic ; coupling ; nonlinear and so on of the system of pipelines - soil under dynamical loads was studied through loads, soil, and pipelines - soil etc three aspects, so this chapter offers the basic job for the dynamical response of the pipelines - soil system. eular - bernonulli beam model and tomosimko beam model were adapted to study the inherence vibration properties of the pipelines under dynamical loads, and the analytical answers of the chanmical results were brought out in the fifth chapter

    荷載的作用,最終要通過土體介質的傳遞到達管道本身,從而使得管道發生力學狀響應,因此,文中以理論為,通過數學變換、推導,提出了荷載在土體中的傳播特和計算方法,使得管道的動力激勵部分問題得解。
  13. ( 2 ) using craze density dcraze (, ) to illustrate the damage degree of material, considering strain equivalent hypothesis, non - linear visco - elastic constitutive equation of pmma taken into consideration of the operation of craze damage is arrived. the pmma sheet is loaded under different forces to validate the non - linear visco - elastic constitutive equation with damage. the result shows that the theory curves obtained by the nonlinear viscoelasticity constitutive relation agrees with experimental data considerably well

    ( 2 )用銀紋密度d _ ( craze ) ( , t )來描述材料的損傷度d ,在考慮應變等效假設的上,得到了pmma材料考慮損傷的非線材料的本構關系,運用此方程對材料在不同載荷水平下進行蠕變實驗,從而對蠕變條件下的應變響應進行模擬和預報。
  14. After the evaluation of the three parameters in the proposed creep model, which is based on the large numbers of experimental measurements of concrete creep, the influential regularities of concrete filled steel tube columns under long - term loading are investigated. by dispersing time, the method of tangent modulus is adopted to study the relation of creep strain and load time. in the end, this paper took cft specimens with representative geometry and sectional dimensions as examples and adopted the proposed method as an approach to investigate the influencing regularities of many factors, which include the ratio of long - term load to strength, the slenderness ratio, the eccentricity ratio, and the intensity grade of concrete, on cft structures

    在對鋼管混凝土構件長期荷載效應的分析中,本文於三維理論,採用三參數模型,提出了核心混凝土徐變的三維有限元分析理論,在總結過去大量關于混凝土徐變試驗實測結果的上擬合了模型中的三個參數,並成功將其應用於鋼管混凝土徐變的三維分析計算中,得到徐變與持荷時間的關系,以典型截面形式的圓鋼管混凝土軸壓、偏壓構件為例,對軸壓比、長細比、含鋼率、偏心率以及核心混凝土等級分別進行了大量的參數分析和實驗對比研究,結果表明二者符合較好。
  15. Compared with the experiment data, the temperature field and the thermal stress field are discussed. the spacing, the time of sealing and the plane form of the later joint - filled slots are discussed especially, and it is found that the spacing, the time of sealing and the plane form of the later joint - filled slots are comprehensive indexes which are relevant to material, design and construction. the theory value of the spacing and the time sealing of the later joint - filled slots and some proposals on the plane form are presented on the basis of numerical calculation

    本文在綜合前輩的研究成果的上,推導了場的三維有限元解,對比實際工程實驗數據,對大體積混凝土結構內部的溫度場和應力場進行了分項研究,重點討論了后澆帶的留置間距、封閉時間和平面形狀,發現其留置間距、封閉時間和平面形狀都是綜合指標,是和材料、設計、施工有關的。
  16. According to the prior achievements, based on pile deformation test data, it puts forward a method that combined the mindlin ' s solution with boussinesq ' s solution to calculate the superimposed stress of djm composite ground, and then uses the superimposed stress to calculate the settlement by layer - wise summation method. by a nonlinear elastic and viscoelastic fem model, based on in - site test data, the back - analysis method of the direct optimal multiple parameters are adopted to calculate the road embankment settlement of typical project

    在前人的上,結合樁身應變測試結果,提出了聯合mindlin解和boussinesq解求解攪拌樁復合地的附加應力的方法,根據計算出來的附加應力再用分層總和法計算攪拌樁復合地的沉降;採用非線有限元模型,根據現場實測資料,運用直接優化多參數反演分析方法,對典型工程實例進行了沉降計算對比分析。
  17. The main work and achievements are summarized as follows : based on herrmann variational principle and the nearly - incompressible viscoelastic constitutive relation, a new type of viscoelastic incremental finite element method is presented. in this method, incremental arithmetic is applied to solving the hereditary integrals. it needs less memory space, has simple parameter matrix, and calculates stiffness matrix only once

    主要研究內容如下:從herrmann變分原理出發,於適用於近似不可壓縮材料的本構關系,利用增量法處理遺傳積分,發展了一種增量有限元方法,所需存儲空間較少,參數矩陣形式簡單,求解過程只需要形成一次剛度矩陣,適用於藥柱的結構計算,奠定了確定分析
  18. In the appendix, the author of the present thesis included the three parameters of schapery ' s viscoelastic model based on the work of roy et al

    的大小作者還在roy等計算模型的上,修正了他們略去schpaery單積分本構模型中的兩個參數的研究工作。
  19. Numerical example was presented. on base of those, effective relaxation moduli could be curve - fitted by the function form of the three - parameter solid model

    在此上,用類似三元件固體模型的形式去擬合離散的數值結果,得到了鬆弛模量更簡單的解析表達式。
  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本理論的上,通過復合材料問題的控制方程的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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