粘彈性反應 的英文怎麼說
中文拼音 [niándànxìngfǎnyīng]
粘彈性反應
英文
viscoelastic response- 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 ...
- 反 : Ⅰ名詞1 (方向相背) reverse side 2 (造反) rebellion 3 (指反革命、反動派) counterrevolutionari...
- 應 : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
-
This is related to many basic problems, such as the condensed structure, intermolecular interaction, relaxation, etc. the mechanical properties and stability of langmuir films have strong and direct effect on the deposition process of lb films
這涉及到多方面的問題,如膜的凝聚態結構、成膜分子間的相互作用力、膜的表面粘彈性和鬆弛特性、膜在二維狀態下的反應性、分子層與基片間的附著力等等。Then the judging method is proposed, and the proposed method can consider the stress history and viscosity shear strength of soft soil. in this paper, a fem program dpfbm1. 0 ( double plastic foundation beam method ( version 1. 0 ) ) is established. with this program, the influence of some parameters on foundation excavation is fully studied, the parameters include : compression modulus, cohesive strength, angle of internal ficiction, effective angle of internal friction, the embedded length of the wall and building load
針對當前國內外彈性地基梁法存在的缺陷,基於對軟土流變性的研究,採取了剪應力判斷彈塑性狀態,以改進和完善基坑工程彈性地基梁法,推導了彈性狀態下地基反力系數的近似解,提出了採用剪應力組合判斷土彈簧彈塑性狀態的方法,編制了相應的彈塑性共同變形法分析程序dpfbm1 . 0 ( doubleplasticfoundationbeammethod ( version1 . 0 ) ) ,並採用該程序分析了壓縮模量、粘聚力、內摩擦角等參數變化對基坑工程的影響。After analysis of the parameters of the devices, a conclusion is achieved that we can directly use the parameters of the dampers instead of devices to design the buildings in the common situation. then a one - freedom modal is used to compare the differences of performance between these two dampers under harmonic load. finally, three buildings, which are installed with viscoelastic dampers, viscous dampers and no dampers respectively, are analyzed using finite element method, time history method and response spectrum method, and the result is the same as that of harmonic analysis
如果支撐剛度較小,應採用本文推倒的公式計算阻尼裝置的性能參數;利用單質點模型進行阻尼結構在簡諧荷載作用下的性能分析,並比較了粘彈性與粘滯阻尼結構在振動控制方面的性能差異;最後利用數值方法分別對未安裝阻尼裝置結構,安裝了粘彈和粘滯阻尼裝置的三種結構進行了反應譜和時程分析,得到了與理論分析一致的結果。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基礎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基礎隔震結構非線性地震反應分析為基礎,對基礎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:根據隔震系統力學性能的特點,在現有研究成果的基礎上,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粘彈性恢復力計算模型,鉛芯疊層橡膠支座單向及雙向耦合粘彈塑性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粘塑性微分型恢復力計算模型。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。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。Based on these solutions, a parametric study is conducted to determine the main features of the soil - pile system vibration, and the special influence of viscous damping of soil layer around pile is discussed
基於所得解對樁土動力耦合作用的內在機理、粘彈性土層動力反應特性進行了分析,並重點討論了樁側土不同形式材料阻尼對樁頂動力響應的影響。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基礎橋墩,來用粘彈性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。Attenuation characteristic of fast wave, slow wave, quasi - transverse wave and anti - plane transverse wave are discussed and the combined effects of the anisotropy of the solid skeleton and fluid viscosity on the propagation characteristic of plane waves are analyzed numerically. the influence of horizontal anisotropy and fluid viscosity on the propagation characteristic of elastic waves is clarified
討論了液飽和多孔介質中快波、慢波,準剪切波和反平面剪切波的衰減特性,並分析了固體骨架異性以及流體粘度的綜合效應對平面波傳播特性的作用,澄清了介質水平面內異性以及流體粘度對彈性波傳播特性的影響。Taken the viscosity into account in this paper, a rather simple but practicable elastic - viscoplastic model to describe the stress - strain relation of the material at the crack - tip of antiplane mode iii crack
本文在考慮擴展裂紋尖端材料的粘性效應下,採用一種比較簡單然而實用的彈粘塑性模型來描述反平面型動態擴展裂紋尖端場附近材料的應力應變關系。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
在前人的基礎上,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基的附加應力的方法,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基的沉降;採用非線性和粘彈性有限元模型,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。The products are the raw material of polyurethane elastomer, coating and adhesives, which react with isocyanate to give a chemical grouting material that has been widely used for seepage - proofing and blocking up the loophole of tunnel, dam, underground projects and mine - pits, as well as foundation reinforcement
本類產品為聚氨酯彈性體、塗料、粘結劑的原料,與異氰酸酯反應制得的化學灌漿材料,廣泛用於隧道、水壩、地下工程、礦坑層面的防水堵漏及建築物的地基加固。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。Scatter in energy - to - break is thus reduced. however, because of differences in the elastic and viscoelastic properties of plastics, response to a given notch varies among materials
然而由於塑膠的彈性與粘彈性性能的差異,使得(不同)材料之給定切口的反應也有所不同。In consideration of the particular structures of concrete dams and their influence on the deformation behavior of the dams, the mathematical and mechanical knowledge, such as gray system theory, fuzzy mathematics, viscoelastic plastic theory, together with the knowledge of dam engineering and structural analysis methods, are introduced into this dissertation, which performs relatively detailed study on the mathematical monitoring model of deformation, the inverse analysis of mechanical parameters of dam concrete and rock foundation, deformation procedure, abnormal symbols and the comprehensive appraisal methods of the deformation behavior of concrete dams with particular structures
本文針對特殊結構混凝土壩的特殊結構對大壩變形的影響,應用灰色系統、模糊數學、粘彈塑性力學等理論,結合壩工理論和結構分析方法,對特殊結構混凝土壩的變形監控模型、參數的反演、變形過程和轉異特徵以及大壩變形性態綜合評價方法等進行了分析研究。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體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粘彈性性質。Through the comparison of analysis results in seismic response of construction structures, spring - damper boundary is better than viscous one in improving the computational precise and avoiding the disadvantages of fixed boundary which can not radiate energy
通過建築結構地震反應分析結果的比較,彈簧?阻尼器邊界比粘性邊界更好,提高了計算精度,並且克服了固定邊界無法輻射能量的缺點。Using elastic - viscoelastic correspondence, the viscoelastic solutions are obtained by inversion of laplacian transform
利用對應原理,經過反變換得到粘彈性力學解答。Starting from the aspect of practical engineering application, a calculation formula of the predicting inverse - analysis for the saturated soft clay ground settlement is established according to the merchant one - dimensional consolidation theory, and the relevant program is compiled
本文還從工程實際應用的角度出發,根據merchant粘彈性模型的一維固結理論解析解,建立了考慮主次固結的飽和軟粘土路基沉降反演預測計算公式,並編制了相應的計算程序。分享友人