elastic-plastic mechanics 中文意思是什麼

elastic-plastic mechanics 解釋
彈塑性力學
  • elastic : adj. 1. 有彈力[彈性]的。2. 伸縮自如的，靈活的。3. 機變的，輕快的。n. 橡皮線，松緊帶，橡皮圈。adv. -ally
  • plastic : adj 1 造型的；塑造的；給與形態的。2 可塑的，塑性的，受范的；柔軟的；〈比喻〉溫順的，肯聽話的。3 ...
  • mechanics : n. pl. 1. 〈作單數用〉力學 〈cf. statics; kinetics; kinematics〉; 機械學。2. 〈作復數用〉結構；構成法；技巧。
  1. Displacement formula for composite foundation of composite piles is derived by considering the coaction of foundation soil, broken stone pile, cfg pile and bedding cushion and by applying the theory of elastic - plastic mechanics, which is proper for superstructure being constructed

    運用彈塑性力學知識，同時考慮地基土、碎石樁、 cfg樁和墊層四者的相互作用，推導出了比較切合實際的上部結構動工后組合樁復合地基的沉降計算公式。
  2. Ctod ( crack tip opening displacement ) and j - integral are two important parameters in elastic - plastic fracture mechanics

    Ctod （ cracktipopeningdisplacement ）和j積分是彈塑性斷裂力學研究方法中的兩個重要參數。
  3. It is developed from large - scale objective model experiment to reduced scale model experiment ; from simple mechanics device to various advanced detecting device ; and the theory is developed from elastic mechanics, plastic mechanics to fracture mechanics and damage mechanics. the study of concrete fracture has also developed from macro - level to meso - level

    從大型的實物模型試驗，到各種縮尺模型試驗；從簡單的力學儀器，到各種先進探測儀器的使用；理論上也由彈性力學、塑性力學發展到了斷裂力學、損傷力學等，對混凝土斷裂問題的研究，更是由宏觀領域進入了細觀層次。
  4. The thesis had done the theories analysis in detail and built the relevant mathematics models aiming at the mechanics characteristic about the lodging of stalk, the elastic and plastic deform of stalk under the action of the transverse loads, the mechanics condition which causes stalk pushed, the relation between the speed of unit and the surface radius of ski, the relevant location between the thickness of the compressed stalk and action location of load, the relevant location between the mating device and plough, the coefficient of overturning soil under the thickness of the compressed stalk and so on. in addition, the computer aided analysis and simulating experiments in field were acted by choice

    本文對秸稈自倒伏力學特性；橫向載荷作用下的莖稈彈塑性變形與秸稈被推倒的力學條件；機組作業速度與滑撬曲面半徑的關系；秸稈壓實厚度與加載作用點的相對位置；配套裝置與犁體相對位置；秸稈壓實厚度下的翻垡系數等，進行了較詳細的理論分析並建立了相關數學模型。在此基礎上，本項研究還選擇性地進行了計算機輔助分析和田間模擬試驗。
  5. Aiming at the shortages and demerits in the study of constitutive relationship of concrete based on elastic - plastic mechanics, damage expressions of concrete subjected to uniaxial tension - compression was deduced based on damage mechanics, and general damage evolution equation of concrete in bending state was received also

    摘要針對彈塑性力學研究混凝土本構問題帶來的不足和缺陷，運用損傷力學的方法，導出混凝土在單軸拉、壓狀態下的損傷表達式，得到了混凝土在彎曲狀態下的統一的損傷演化方程。
  6. Point to above problems, under the financial support of the national natural science foundation ( exploration of high tech and new concept and new conceive ), the excellent young teachers program of ministry of education and national excellent doctoral dissertation special foundation, the static and dynamic real - time computation of elasticity - plastic mechanics, solving method of fuzzy finite element and other problems were studied in this paper. and some achievement was gained as following : ( 1 ) based on the positive definiteness of system stiffness matrix of finite element that was modified and the form of potential energy function of elastic body, the linear system of saturation mode ( lssm ) was introduced into the neural computation of finite element, by which the no - error solving of finite element neural net computation was realized in theory

    針對上述問題，在國家自然科學基金（高技術新概念新構思探索） 、教育部優秀青年教師資助計劃、高等學校全國100篇優秀博士學位論文作者專項基金等的資助下，本文對彈塑性力學問題的動靜態的實時計算、模糊有限元的求解方法等問題進行了系統和深入的研究，取得了以下成果： （ 1 ）根據有限元總剛矩陣經修正後具有正定性的特點以及彈性體勢能函數的具體形式，將飽和模式的線性系統（簡稱為lssm系統）引入到有限元的神經網路計算中，在理論上實現了有限元神經網路計算的無誤差求解。
  7. Secondly, in view of the limitation and shortage of traditional simulation of finite element approaches for bolt, a new composite grouted bolt element including nonlinear contacting relation will be built based on the above study of the mechanics mechanism of fully grouted bolt. then, an elastic - plastic finite element program will be developed for the analyses of tunnel stability, in which the composite grouted bolt element and nonlinear finite element analysis method will be used ; the patterns and the affect of main design parameters on the support effect of bolt will be analysed using the program, and conclusions of guidance importance for tunnel support design will be drawn. finally, simulation compution for the excavation and support of a highway tunnel will be made out using the above production, and the method of application of the program will be discussed ; analysis of the deformation, stress and distribution of plastic range will be done, and rational support plan will be worked out, which is of guidance importance for tunnel support design and the thery and technique of fully grouted bolt used in tunneling will be perfected further

    首先，本文在綜合分析隧道穩定性影響因素及失穩破壞模式的基礎上，對全長粘結式砂漿錨桿作用力學機理進行了深入研究，為全長粘結式砂漿錨桿的有限元模擬分析奠定了基礎;其次，針對傳統錨桿有限元模擬方法的局限性與不足，在上述全長粘結式砂漿錨桿作用力學機理研究基礎上，建立出能反映界面非線性粘結的新型復合砂漿錨桿有限單元模型;然後，運用上述復合砂漿錨桿單元模型，引進非線性有限元分析手段，開發了隧道支護穩定性分析的有限元程序，並就全長粘結式砂漿錨桿的型式與設計參數對支護效果的影響進行了深入探討，得到了對隧道支護設計具有指導意義的結論;最後，運用本文研究成果對某公路隧道工程實例進行了開挖與支護的模擬計算，探討了其應用方法，並就隧道變形與應力及塑性區分佈規律進行了分析，從而提出了合理的支護方案，為隧道支護設計提供了參考依據，完善了隧道全長粘結式砂漿錨桿支護的理論與方法。
  8. The quality of machine with loading and unloading bushing has been improved and the structure of which has been turned rationalization ; fourthly, according to the relation of the tight fitting between resist grind bushing and suspension yoke, making use of the two simple thick circles theory in the elastic - plastic mechanics and the fourth strength theory, it integrated theory with it ' s formulation characteristic and developed the solver of the tight fitting force in the system of c + + builder. it could realize the solve of all tight fit force and save up the frame ' s size and the tight fitting ' s data in database in order to use in the future ? the assemble force of tight fitting can be used as the rule of estimating loose or tight bushing in theory

    3 ） 、利用了ansys8 . 0自帶的opt （優化技術）對c型夾具進行了結構上的優化，實現了一定強度和剛度的條件下， c型夾具的質量最小，使裝、退套機的質量得到了改善，結構更趨于合理化； 4 ） 、根據合金套和吊耳的過盈配合關系，應用彈塑性力學中的兩個簡單厚臂圓筒理論及第四強度理論，結合軸套裝配方案特性，在c + + builder平臺上開發出了過盈配合裝配力的求解器，它能求解出所有過盈配合所需裝配力，並將各種配合尺寸和過盈量的數據庫存化，以便將來調用。
  9. The research indicate that the structured soft clay has below several characteristic, the viscous strain is produced during the stage of primary consolidation and of second consolidation, and in the prophase, the relation of stress - strain - strain rate is unique, so the form of constitutive model, such as, f ( v ', e ) = 0, f ( ' v, e, t ) = 0, ca n ' t describe strain behavior of soil skeleton rationally ; the time - dependent properties involve three aspects, in addition the time - dependent strain, apparent preconsolidation pressures that depend on strain rate, and the effect of creep compression on apparent preconsolidation pressures ; because of holding structural strength, the mechanics characteristic is determined by the magnitude of stress, and the compression curve is composed of several sections. by combining structural yield stress and it ' s characteristics with the improved time line model, a new one - dimensional elastic visco - plastic consolidation model is established

    研究結果表明，結構性土的固結過程具有以下特性：主固結和次固結階段都包含有因土骨架的粘滯性移動而產生的變形，而且在正常固結階段，存在應力?應變?應變速率的唯一性， f （ _ v ， e ） = 0 、 f （ _ v ， e ， t ） = 0形式的本構關系不足以描述土骨架的變形行為；固結壓縮過程中的時間效應包括三個方面的內容，除了應力應變關系與時間相關外，還包括粘滯性變形引起表觀前期固結壓力增加和屈服應力的應變速率效應；軟土的結構性使其力學特性與應力水平相關，壓縮曲線具有分段性。
  10. Elastic - plastic analysis for soil around anchor jacked pile in this paper, the course of penetration is regarded as expansion of cylindrical cavity in infinite soil mass. combining with the knowledge of elastic mechanics and plastic mechanics, we can make analysis for soil around pile. finally, we can educe the cylindrical cavity pressure, radius of plastic zone, radical displacement in elastic zone, excess pore water pressure in soil around pile and spherical cavity pressure at the end of pile

    錨桿靜壓樁樁周土體的彈塑性分析該部分是文章的主要工作所在，本文把壓樁過程樁周土體的本構關系看作是水平面的平面應變小孔擴張問題，利用小孔擴張原理，結合彈性力學以及塑性力學的知識，對壓樁後土體的性狀作出分析，得出樁對土的擠擴作用力、樁周土體塑性半徑、彈性區的位移，壓樁完成瞬時樁周土體彈性區和塑性區的超孔隙水壓力以及樁端球形孔擴張的擴張力。
  11. The contact deformation at transient engaging point is derived from deeply analyzing geometric property and kinematics relationship between the two action flanks by use of engagement principle, differential geometry, elastic and plastic mechanics, etc

    運用嚙合原理、微分幾何和彈塑性力學等基礎知識，對齒面間的幾何性質和運動關系進行深入細致的分析研究，計算各瞬態嚙合點的接觸變形。
  12. Based on the elastic and plastic mechanics, using the finite - element analysis, the nonlinear finite model of the beam - to - column is established according to the american code. the model involved geometry, material nonlinear and friction. the response of beam - to - column web moment connections under monotonous load is researched on

    本文在彈性力學和塑性力學的基礎上，利用非線性有限單元法，建立了考慮幾何非線性、材料非線性以及摩擦等參數的樑柱腹板連接的非線性有限元模型，模擬研究了鋼框架樑柱腹板連接在單向荷載作用下的反應。
  13. Under the direction of elastic - plastic statics theory, transient dynamics theory and structure mechanics theory, the means of numerical analyse is adopted in this thesis to study the security of existing tunnel. the thesis studies the contents as follovvs : ( 1 ) the bias pressure, vvhich is caused by the digging of new tunnel, deflects and deforms the lining of existing tunnel. the effect degree relates to tunnel space, construction method, topography and round rock

    本文用數值分析的手段，對既有隧道的安全性進行了彈塑性靜力分析、瞬態動力學分析和結構力學分析，如下： （ 1 ） 、新建隧道的開挖對既有隧道造成偏壓影響，使得既有隧道發生偏轉和變形，從而對隧道襯砌產生不良後果，其影響程度與隧道間距、施工方法、地形和圍巖狀況有關。
  14. In this paper, stress and strain are analyzed in elastic - plastic bending process of plate, and a viewpoint is put forward in with plastic stress and strain neutral layer displace toward inside, and coincide with elastic stress and strain neutral layer when big curvature elastic - plastic bending process is come into being of plate on the basis of the theory of plane curving pole in the material mechanics

    摘要通過對板料彈塑性彎曲應力應變分析，利用材料力學中的平面曲桿理論，提出了板料大麴率彈塑性彎曲塑性應力應變中性層和彈性應力應變中性層均向內移動並重合的觀點。
  15. The process of penetration is regarded as expansion of cylindrical cavity in infinite soil mass. combining with the knowledge of elastic mechanics and plastic mechanics, we may make analysis for soil around pile. and we may deduce the cylindrical cavity pressure, radius of plastic zone, radical displacement in elastic zone, and excess pore water pressure in soil around pile and spherical cavity pressure at the end of pile

    本文闡述了樁土共同作用理論原理，對坑式靜壓樁的樁周土體作彈塑性分析，把壓樁過程中樁周土體的本構關系看作是水平面的平面應變小孔擴張問題，利用小孔擴張原理，結合彈性力學以及塑性力學的知識，對壓樁後土體的性狀進行分析，得出樁對土的擠擴作用力、樁周土體塑性半徑、彈性區的位移，以及樁端球形孔擴張的擴張力。
  16. I. e., the effect of linear and nonlinear analysis, the gradient of pile, the length of pile stick - up, and the horizontal force on the stability of pile stick - up were studied in details. 2. based on the difference of deformation and failure mechanism for pile side soil and pile toe soil, soil mechanics theory, and results of laboratory experiments and field tests, hyperbolic model and ideal elastic - plastic model were proposed to describe the behavior of the soil adjacent to the pile shaft and the soil at the pile toe, respectively

    2 .根據土的非線性和非彈性特性以及室內與現場試驗結果，而且基於樁側土體與樁端土體在豎向荷載作用情況下的變形和破壞機理不同，提出應採用不同土體模型分別模擬樁側、樁端土體在打樁過程中所發揮的靜阻力，即：建立了樁側土體雙曲線模型，並推導了樁端土體理想彈塑性模型。
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