displacement stress 中文意思是什麼

displacement stress 解釋
【物理學】位移應力。

  • displacement : n 1 轉位,移動;取代,置換;(人的)流離失所。2 撤換,免職。3 【機械工程】(活塞)排氣量;【航海...
  • stress : n 1 壓力,壓迫,緊迫,緊張。2 【語音】重音;重讀;【詩】揚音;語勢,著重點。3 重要(性),重點,...
  1. Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports

    首先,在前人研究成果的基礎上,對錨桿與圍巖的相互作用機理進行研究,利用全長錨固錨桿的中性點理論,從等效均化的角度來考慮錨桿對圍巖的加固作用,並推導了在簡單荷載作用下,含有襯砌、等效加固后的圍巖、原始圍巖三者的彈塑性解析解,對工程設計有著重要的參考意義;在數值模擬方面,以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎,利用虛功原理推導了接觸問題的有限元方程的計算格式,為開發運用大型商用有限元軟體msc . marc提供了理論根據,也形成了本文的理論基礎:最後,論文以南水北調東線穿黃隧洞穩定性分析項目為工程實例,利用本文所述的接觸問題的摩擦模型理論,對錨桿支護結構的應力場、位移場的變化規律進行了研究,分析了加錨支護對隧洞圍巖應力、變形的影響。
  2. With the help of the electronic computers, engineers employ it to figure out nearly all kinds of engineering problems ranging from astronavigation, construction, waterpower projects, ship - building and mechanical engineering etc. owing to the strong power of finite element method, one kind of software pack which based on the method is exploited and named algor feas to resolve problems on structure analysis for trusses and shells. this paper also employ algor feas software pack to analyze and compute the cableway towers, giving the accurate result on stress and displacement both in location and whole. finally, we also bring out some advice on structure improving

    在此分析過程中:首先將物理模型簡化為力學模型,主要是將塔架結構按空間桿單元簡化為空間桁架結構,目的是將力學模型變換為數學模型;這一過程主要是利用autocad2000建立塔架的計算模型;再者,利用algorfeas軟體包讀入autocad建立的塔架計算模型生成初始數據卡利用計算機進行編程進行風載計算,再將計算結論整合入algorfeas產生的初始數據卡中,生成計算數據卡;接著,利用algorfeas軟體包計算塔架在不同載荷情況下的應力圖,位移圖,並且求出在不同載荷條件下的最大位移和最大應力等;然後,對塔架的穩定性進行分析;最後;根據計算結果提出改進建議。
  3. The existing theoretical analyses have n ' t refelcted this true mechanism of the force transfering in fixed segment of anchor bar. for the sake of studying the working course from elastic to elastoplasticity slide better, this paper put forward shear stress - displacement curve, and solve the internal force distribution along anchor bar by the basic equntion. at the same time, this paper analysize the difference of columniform fixed segment and the segmeng with anchor slab at the foot of anchor bar

    為了更好的研究錨桿在不同荷載作用下,錨桿的工作狀態從彈性到彈塑性發展的整個過程,本文進行了錨桿受力的模型實驗研究,根據實驗結果提出了剪應力與位移的彈塑性本構關系表達式,並根據錨桿受力的基本方程,求解得出了錨桿在不同工作狀態下從彈性到彈塑性滑移的全過程中錨桿的內力分佈。
  4. On this foundation the article inducts in detail the method which is based on the relative settlement of calculating unit area end support ( qb ) force at the same time considering the feature of pedestal pile ' s " arch effect " the article introduces conception of pile effective length and finally obtain t he formula of calculating man - made pipe with bulb - shaped axial carrying capacity. the article uses marc program to calculate and analyze foundation soil ' s stress and displacement and gets the change curve chart and the proportion that is shared by king - pipe side soil friction resistance and pipe end counterforce respectively. the article inducts the structure of pedestal in detail on the basis of generalizing pedestal application cases of many countries

    在此基礎上論文詳細歸納了以相對沉降為依據確定單位面積端承力q _ b的計算方法,並考慮擴底樁的「拱效應」特點引入了有效樁長的概念,最後結合公路規范推出了比較實用的人工挖孔擴底樁軸向承載力計算公式。論文運用了marc程序對地基土的應力和位移進行了有限元數值計算分析,得到了地基土的應力和位移場的變化曲線和在加載過程中樁側土摩阻力和樁端反力各自所承擔的比例;本文還在總結各國挖孔擴底樁應用情況的基礎上就擴底樁的構造進行了詳細的歸納。
  5. Third, according to an example, the influence on soil displacement stress etc under harmonic vibration load induced by infiltration coefficient and loads frequency variation is studied numerically in dissertation. finally, the difference of layered saturated soils consolidation between rectangle and harmonic vibration loads is studied in this dissertation

    再次,以數值方法研究了簡諧荷載作用下成層飽和地基二維biot固結的一般規律,同時還研究了固結情況受滲透系數,頻率等參數影響的規律。
  6. Then, use the direct integral calculus method of newmark to solve solution, and get each node and element ' s displacement and stress solution vs. time

    然後,用newmark直接積分法進行求解,得到各節點和單元的位移、應力的時程解。
  7. Results : 1 ) under the same condition of loading, the stress and displacement of mesial occlusal rest design was smaller than that of distal occlusal rest design in abutment teeth and soft tissue under the base, however, the magnitude in the soft tissue under base was bigger. 2 ) when a distributed vertical load was applied to the artificial tooth abutment teeth regions, the stress distribution was similar to that of concentrated load in the artifitial tooth, and stress magnitudes were higher. 3 ) under the condition tested, the mesial occlusal rest design caused the stresses that were more in line with the long axes of the abutment teeth than did the distal occlusal rest design

    結果: 1 )在同一加載條件下,近中(牙合)支托設計與遠中(牙合)支托設計相比,基牙及基托下軟組織的應力和位移值減小;基托下軟組織的應力和位移值大於基牙; 2 )基牙及義齒整體加載時,各基牙應力分佈規律與人工牙加載相同,但應力值增大; 3 )近中(牙合)支托設計使基牙受力更趨于軸向。
  8. The content of this thesis, through the deformation destruction process of th e typical nanlidu landslide along the national highway 318, uses the finite unit a nalysis of computation, revealing the elastic, plastic stress and displacement of each joint inside the slide area pointing out the distribution range of the tension stress and the plastic deformation range, computering the stability safety factor of the slide area, gaining the fixed quantity, quota that evaluates the stability of the slide area, revealing the position of the slide area which is most likely to los e its stability, thus, it can provide theoretic proof for the programs which renova te landslides

    本文的研究內容是通過318國道南里渡典型滑坡的變形破壞過程,採用有限元計算分析,揭示滑體內部每個節點上的彈、塑性應力及位移,找出拉應力分佈區和塑性變形區,計算滑體穩定安全系數,得出衡量滑體穩定的定量指標,揭示滑體最可能失穩的部位,從而為滑坡整治方案提供理論依據。
  9. The evolution laws of structural weight, the best optimum fitness, average fitness, maximum nodal stress and displacement with increasing generations are discussed. and multi - result fact of the topology optimization can be obtained by ga - fem. the research results in this thesis show that the developed method is successful in the topology optimization for 2d continuum structures under multi - load and multi - constrain conditions

    上述工作表明,本文ga ? fem可以實現多載荷、多約束條件下平面連續結構拓撲優化,與eso等優化方法獲得的優化結果相比,本文的優化結果不存在單元鉸接和不連續單元,優化結構多樣,質量更小,效果更優。
  10. The results show that the internal friction angle of rock has importance affect on the displacement of surrounding rock for deep roadway when in - situ stress and support resistance all are certain

    分析結果表明,在地應力和支護阻力一定時,巖石的內摩擦角對深埋巷道圍巖位移的影響最為明顯。
  11. Secondly, the effort is made to develope new type of transition element for multi - scale fatigue damage simulaton of long - span structures for the transition between elements for the hot spot stress analysis and the structural element. the linear and piecewise linear interplotion function for displacement interplotion are used for the transition element formulation according to the displacement compatibility requirement between element interfaces

    在綜合已有的構造過渡單元模型關于位移插值形式的基礎上,通過採用分段線性位移插值模式和線性位移插值方式,並在位移模式中引入非協調位移模式,強迫構造單元通過分片試驗,構造了一種用於疏密網格單元連接過渡單元。
  12. In this paper, the finite - element numerical analysis calculation is applied to the foundation of high - rise and multi - floor building and the evolvement law of stress and displacement of tunnel used by urban traffic to explore the mutual influence between the wall rock of underground space and high - rise building foundation, taking account of the specific construction situation in the " sanmu garden " project in dadukou district in chongqing, from the perspective of underground space static - force structure stability analysis to open a underground tunnel with 6m in span and 7. 5m in height for track traffic 20m below the surface. this paper, taking considerations of three different states, i. e. the natural state without any artificial interference, the state of high - rise buildings on the surface, and the underground tunnel state with excavation for track traffic, and four plane lines and four vertical lines, analyzes and studies the distributing law of stress and displacement of calculation section from the following aspects : ( 1 ) the main stress vectorgraph, displacement distribution graph ( ux, uy ) and chromatogram graph of stress isoline ( 1, 2, xy ) of section under different states ; ( 2 ) the contrastive distribution curve of stress ( 1, 2, xy ) of different plane and vertical lines under the same state ; ( 3 ) the contrastive distribution curve of stress ( 1, 2, xy ) of the same plane and vertical lines under different states, wishing to provide references for underground space utilization and project designing and construction of the tunnel under high - rise buildings in the future

    本文結合重慶市大渡口區「三木花園」開發建設項目,從地下空間靜力結構穩定性分析角度出發,針對在該項目中涉及的高層和多層建築物以及在其地下20米處開挖了一個用於軌道交通的跨度6米,高7 . 5米的地下隧道這一具體工程情況,採用2d - 3d -有限元結構分析程序對高層與多層建築物的地基基礎及其與城市軌道交通使用的地下隧道圍巖的應力與位移演變規律進行了有限元數值分析計算,探索了地下空間圍巖與高層或多層建築物地基基礎之間的相互影響,通過考慮未受到任何人為擾動影響的天然狀態、地表存在多層或高層建築物狀態和地下開挖用於軌道交通的地下隧道狀態等三種不同狀態以及4個水平剖線和4個垂直剖線等不同情況,從以下幾個方面具體分析研究了計算斷面的應力與位移分佈規律: ( 1 )在各種不同狀態下計算斷面的主應力矢量圖、位移分布圖( ux 、 uy )以及應力等值線色譜圖( _ 1 、 _ 2 、 _ ( xy ) )等; ( 2 )相同狀態下不同水平與垂直剖線的應力_ 1 、 _ 2和_ ( xy )對比分佈曲線; ( 3 )不同狀態下相同水平或垂直剖線的應力_ 1 、 _ 2和_ ( xy )的對比分佈曲線等,為今後在對地下空間的開發利用以及在高層建築物地下開挖硐室時的工程設計和工程施工提供參考依據。
  13. Finally, respect to the beam effect induced by special high ratio of modulus of elasticity of baise gravity dam, the sensitivity analysis are carried out to study the relation among displacement, stress state of dam and rock bed parameters

    最後,針對百色重力壩特殊的高彈模比地質條件所致懸臂效應,對壩體及壩基的變形和應力狀態與壩基力學參數之間的關系進行了參數敏感性分析。
  14. The research of system makes the observational information of tongbo dam realize standardization manage, tidy up and analyze the information quickly and exact, give the environmental physics number and diagnostic numer of displacement, stress and seepage, build the mathematical model of each observational information, evaluate the working modality of the dam, thereby ensure safe working of the dam

    系統的研製使桐柏抽水蓄能電站的觀測資料實現規范化管理,快速、準確地整理、分析觀測數據,給出環境物理量及位移、應力和滲流等觀測效應量的特徵值,建立各觀測效應量的數學模型,分析評估大壩的工作形態,從而保證大壩的安全運行。
  15. Considering that the load was added in steps, dynamic design based on in - sile test parameter is an effective and practical method. based on the author ' s experience of djm composite ground engineering, and two projects of highway djm composite ground, it systemically analyzed and summarized the in - site test result as well as the settlement deformation, pore water pressure dissipation, deep horizontal displacement, stress ratio, stress of pile. etc. it also compares the in - site test results of djm composite ground with or without rigid bearing stratum, and draws many practical conclusions

    根據筆者多年粉噴樁加固路基工程的經驗,結合兩個高等級道路粉噴樁加固路基工程實例,全面系統地分析和總結了現場試驗路段試驗結果,對攪拌樁復合地基沉降特性、孔壓消散特性、深層水平位移特性、樁土應力比、樁身應變等作了深入細致地分析,對有硬持力層和無硬持力層(浮樁)的粉噴樁復合地基現場試驗結果作了對比,得到了許多有應用價值的結論。
  16. The numerical computing results show that the new method has not only rapid speed of convergence to nodal displacement, stress and strain of elements, but also good prospects on solving problems in solid mechanics

    本文提出的方法是在計算思想和方法上區別于有限元法、理論解析法的一種全新方法,具有較好的應用前景。
  17. Firstly, the displacement, stress, strain fields and the working state of dam body and foundation are evaluated by fem. by overloading the upstream water level and reducing rock strength parameters, the failure process of dam foundation is simulated and the failure mode and paths are determined. the results show that when overload method is used, damaged area develops from up - stream to down stream with failure front stays near the interface between dam body and bedrock

    首先採用非線性有限單元法對壩體及壩基在不同荷載工況下的變位、應力應變狀態展開分析,評價各工況下壩基的運行狀態,而後採用超載法和綜合法對大壩穩定性進行分析,模擬壩基的漸進性破壞過程,追蹤巖體破壞狀態的發展演變過程,從而得到壩基在超載和強度下降過程中的破壞模式和破壞發展路徑。
  18. Resolving displacement, stress, strain of a structure on the base of known loads motivation is a positive problem of structural analysis

    已知荷載激勵求結構的位移、應力和應變響應屬于結構分析的正問題。
  19. The displacement, stress and strain of the pendulous socket are calculated when the socket is subjected to both outside uniformly distributed load and inside concentrated load

    得到了該構件在受外部均布載荷和內部集中載荷作用下的位移、應力、應變的有限元解。
  20. The static and dynamic characteristic models of stage are built by ansys, which analyses the displacement, stress, natural frequency and vibration model of stage. furthermore, the influence of primary structural parameters on static and dynamic characteristic is analyzed by orthogonal experimental scheme comprehensively and the numerical results from experiment are regressed by stepwise regression method, thus the optimization regression equation is obtained. meanwhile, the neural network model is built and validates the regression model

    應用ansys軟體建立了工作臺靜、動態特性的分析模型,並分析了工作臺的位移、應力以及振動的固有頻率和振型,而且還應用正交試驗表安排參數全面分析了結構參數對微位移工作臺的靜、動態特性的影響,並用逐步回歸分析方法對數值計算結果進行回歸,獲得了微動工作臺的最優回歸方程,同時建立了人工神經網路模型並對回歸模型進行了驗證。
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