粘性理論 的英文怎麼說
中文拼音 [niánxìnglǐlún]
粘性理論
英文
viscous elasticity-
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。Abstract : on the basis of general principles of mechanics and critical state soil mechanics theory, a theoretical formula determining the coefficient of earth pressure at rest for cohesionless soil is derived by means of combining hypoplasticity with critical state soil mechanics. the formula has a simple form and is only related to the effective angle of internal friction of soil. there is a slight difference between the calculated value of the formula and that of other formulae. the further investigation of the formula shows that it can be used to determine the coefficient of earth pressure at rest of cohesionless soil
文摘:在滿足一般力學原理和臨界狀態土力學理論的基礎上，本文將亞塑性理論與臨界狀態土力學相結合，推出了一個計算無粘性土靜止土壓力系數的理論公式.該公式形式簡單，僅與土的有效內摩擦角有關，其計算結果與常見的多個經驗公式的計算結果只有微小的差別.文中討論結果表明，該公式可用於確定無粘性土的靜止土壓力系數Study on pillar ' s plastic zone based on elasto - visco - plastic theory
煤柱塑性區的彈粘塑性理論分析In addition, on the base of the assumption of exchange rate incomplete pass - through, this paper expand the exchange rate overshooting model of dornbush ( 1976 ) and innovate the theory of price stickiness of new keynes economics, then analyze the exchange rate behavior in short term under the assumption of incomplete pass - through, beliving that the insensitiveness of the price of tradable goods strengthen the fluctuation of exchange rate behavior
另外，基於對匯率不完全傳遞的論證，本文後半部分以此為主要前提假設，通過對donbush （ 1976 ）匯率超調模型的拓展和對新凱恩斯主義經濟學中價格粘性理論的創新，用動態一般均衡模型推導出了在匯率不完全傳遞條件下的匯率短期行為路徑，認為貿易品價格對匯率波動的不敏感性會導致更加顯著的匯率超調行為。This paper presents an analysis method of mechanical behavior of aged concrete structures on elastic theory, and analyses the main causes of load bearing performance of concrete structures. the paper also illustrates some studies where structures exposed to the marine environment showed early deterioration and analyses the main causes of structural concrete deterioration, including concrete carbonization, corrosion mechanisms of concrete, and mechanisms of steel corrosion due to the penetration of chloride ions into the concrete. it shows that corrosion of the reinforcements is the main cause of structural concrete deterioration
本論文提出老化混凝土板的分層彈性理論，對混凝土結構的承載能力的影響進行分析；對浙江沿海混凝土結構及其構件的抗彎、抗剪、粘結性能以及結構的動力性能進行分析研究；提出了影響沿海混凝土結構耐久性的主要因素一混凝土的碳化作用，堿骨料反應，混凝土的腐蝕機理以及鋼筋混凝土中鋼筋銹蝕的影響因素。By means of the finite element inverse analysis, based on stress - strain theoretical equations of the elastoplasticity and viscoelasticity - viscoplasticity, the change of the valley - side margin stress distribution during original state, the condition of human cutting a terrace of building houses in the loess slope, and the condition of cutting the top of loess slope is elucidated
3 .基於粘彈?粘塑性理論的本構方程，運用有限元方法進行反演分析，闡明了宅基邊坡谷緣在天然條件、斬坡建窯條件下和削坡條件下的應力場變化特點。結果表明，谷緣在斬坡建窯條件下拉張應力和剪切應力增大是導致崩塌產生的根本原因。Preliminary research on creep and dynamic characteristics, which are two important properties of asphalt concrete cores for embankment dams, through triaxial compression creep tests and dynamic triaxial test with the aid of the viscoelastic theory and the soil dynamics theory
本文通過三軸壓縮蠕變試驗和振動三軸試驗，藉助粘彈性理論和土動力學理論，對土石壩瀝青混凝土心墻材料的兩個重要性質? ?蠕變性能和動力特性進行了初步的研究。According to elasto - plasticity theory, with the help of finite - method program ansys, the paper undertakes the computer analogue tests about the bearing capacity of pile tip arranged by orthogonal principle, and attains the relations of pile - tip bearing capacity to embedment depth, pile diameter, cohesion, internal friction angle and modulus of deformation. by the means of mathematical statistic, regression equation of the ultimate bearing capacity calculated by finite element method is gained through the regression analysis of 81 group data from the computer analogue tests. by comparison and analysis of the values calculated by finite - element regression equation and the values of in situ loading test, the regression equation is gained which calculates the size effect for base resistance of large diameter pile
根據彈塑性理論，運用大型有限元軟體ansys按正交設計理論對樁端承載力進行模擬計算，獲得樁端承載力與樁長（埋置深度） 、樁徑、粘聚力、內摩擦角及變形模量等主要影響因素的關系，並採用數理統計方法，對81組ansys模擬試驗結果數據進行回歸分析，得到有限元法確定樁端極限承載力的回歸公式，並將有限元法回歸公式計算值與現場小壓板載荷試驗值進行比較分析，得到大直徑樁端阻的尺寸效應系數計算公式。Study on crease recovery behavior of wool polyester fabrics using viscoelasticity theory
基於粘彈性理論研究毛滌混紡織物折皺回復行為According to the practical geological model of slope, by means of the finite element analysis, from the constitutive equations of the elastoplasticity and the viscoelasticity - viscoplasticity, the process and mechanism for progressive failure of the locked segment of rockmass are quantitatively revealed and simulated during the rupture, deformation, destruction, and failure of highsteep slope rockmass, and the dynamics driving the motion of rocky landslide with violent starting velocity by high pressure water flow is dealed with
根據邊坡實際地質模型，基於彈塑性與粘彈-粘塑性理論的本構方程，通過有限元模擬分析，定量地揭示和模擬再現了高邊坡巖體破裂、變形、破壞及失穩前後鎖固段巖體漸進性破壞的機制和過程，探討了高壓水流作用下滑坡啟程劇動的破壞機理。Regarding the rc beams subjected to concentrated load or even load and braced by bonding steel, an analysis is made on the relevant factors influencing maximum anchorage shear stress of steel sheet. the analysis is based on elastic theory and makes use of the formula for calculating anchorage shear stress of steel sheet. as indicated by the results, the maximum anchorage shear stress not only realtes to such parameters as height of cross section of rc beam and span but also relates to the thickness of adhesive layer, elastic modulus, thickness of steel sheet, and length of steel sheet. the present method will check maximum an chorage shear stress on the end of shear sheet so as to prevent rc beam from local damage. the present results will offer important reference for our country to further perfect bracing design by bonding steel method
在彈性理論的基礎上，利用鋼板錨固剪應力計算公式，對在集中荷載或均布荷載作用下採用粘鋼加固的混凝土梁，分析鋼板錨固最大剪應力的有關影響因數.結果表明，最大錨固剪應力不但和混凝土梁的截面高度、跨度等參數有關，還和粘膠層厚度、彈性模量、鋼板厚度及鋼板長度有關.採用文中方法可以對鋼板端部最大錨固剪應力進行驗算，防止混凝土梁出現局部受拉破壞.研究結果為進一步完善我國粘鋼法加固設計提供重要的參考資料In the paper, viscoelastic theory and ann ( artificial neural network ) are applied to estimate ds and draw the curve of deformation
本文將粘彈性理論和人工神經元網路應用於車轍試驗動穩定度的預估。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。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性狀響應，因此，文中以粘彈性理論為基礎，通過數學變換、推導，提出了荷載在土體中的傳播特性和計算方法，使得管道的動力激勵部分問題得解。In this paper, the numerical techniques and computational methods for limit analyses and shakedown analyses of soil structures and foundations are systematically investigated and then are employed to the assessment of the safety of the non - homogeneous foundations and the offshore platform foundations. in this dissertation, the computational method which combines elasto - plastic analysis with melan ' s theorem is developed and then applied to evaluate limit load and shakedown load of soil structures. elasto - plastic analyses are performed to obtain elasto - plastic stress field and elastic stress field
在巖土工程領域，飽和粘土的安定現象與飽和砂土的液化早已為人所知，但是安定性理論及其分析在工程實際中並沒用受到足夠的重視，在這方面的探索研究也極為有限，這與土體穩定性評價中廣泛應用極限分析方法極不協調，而在海洋平臺地基等實際工程中安定性問題又顯得十分重要。Abstract : the excess pore water pressure of saturated soft clay foundation caused by pile pushing is obvious. the method for calculating squeezing stress and excess pore pressure by elastic - plastic theory is deduced in this paper, and furthermore, the reasonable pile spacing by regarding the influence of both squeezing stress and excess water pressure is given
文摘:飽和軟粘土地基沉樁過程中樁土擠壓所引起的樁周土體超孔隙水壓力效應是非常顯的.本文從彈塑性理論出發推導出沉樁過程中樁周土體擠壓應力及超孔隙水壓力的計算公式，給出了考慮擠壓應力和超孔隙水壓力影響因素的合理打樁間距的確定方法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，本文基於三維粘彈性理論，採用三參數粘彈性模型，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基礎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。In this paper, based on the viscoelasticity theory and the dynamics theory, the finite element method ( fem ) is used to the structural integrality analysis of the grain in rocket engine of the base - bleed and rocket compound extended range projectile in chamber
本文基於粘彈性理論和動力學理論，運用ansys對某型號底排?火箭復合增程彈助推火箭發動機藥柱在膛內的結構完整性進行了系統的分析。At present, many important development on the studies of viscoelastic theory have been made by the efforts of scholars home and abroad, linear viscoelasticity theory has sufficiently developed, while nonlinear viscoelastic theory is still under developed by the reason of difficulties in experiment and mathematics
目前，國內外學者在粘彈性理論研究領域取得了許多重要的研究進展，線粘彈性理論已發展得較為完善，非線性粘彈性理論由於實驗和數學上存在的困難尚處于不斷的發展和完善之中。On the fundamental of thermo - viscoelasticity, the rate of viscous heat generation in csp matrix in relation with stress and strain status, is obtained. the meso - scale model is put forward, in which processes or phenomena such as viscous heat in csp matrix, heat conduction between csp matrix and oxidant particulates, decomposition of oxidant and its interfacial reactions with csp matrix, are described. the control equations are derived
應用熱粘彈理論、傳熱學、推進劑熱分解動力學等，分析推導了推進劑粘性加熱與應力應變的關系，建立了描述基體粘性加熱、基體與含能顆粒傳熱、含能顆粒受熱分解及與基體界面反應等過程的細觀模型，推導建立了模型控制方程。分享友人