plastic analysis method 中文意思是什麼
plastic analysis method
解釋
塑性分析法-
On the basis of the concept and analysis method of slope geological structure, four typical slope geological structures are selected by some investigations on more than one hundred high rock slopes in the motorway project. these structures are thick sandstone stratum, stratum including weak coal, stratum made of red or brown plastic clay and soft rock mass and stratum made of remnants rock mass. the practical slope geological structures are compact basis of geological mechanical model for the analysis of relaxation zone in high rock slope projects
在介紹了坡體結構概念並提出建立坡體結構方法的基礎上，根據對京珠高速公路粵境北段路塹高邊坡工程中百余處巖石高邊坡的調查總結，選擇了其中較為具有代表意義的厚層砂巖、煤系地層、紅土地層及殘坡積層路塹高邊坡共4類巖石高邊坡作為研究對象，為對巖石高邊坡開挖鬆弛區的分析打下了堅實的實際地質力學模型基礎。 -
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。 -
This article deduced the calculation method of column hinge sway in framework structure by analyzing plastic sway of the column hinge sway mechanism ? the most dangerous collapse model in the framework structure with the virtual principle of plastic analysis, and calculated two framework structures and the results is almost the same as those calculated by method of plastic analysis
通過對框架結構最危險的倒塌模型? ?柱鉸形側移機構，對薄弱層的塑性變形通過塑性分析的虛功原理推求框架結構柱鉸形側移的計算方法，應用此計算方法對大連市兩棟框架結構進行計算，其結果與彈塑性時程分析法結果基本相符。 -
The methods considering the elastoplasticity are the elastic - plastic hinge method and the pseudo load method. based on the need of non - linear analysis, researchers brought forward nonlinear calculation methods to control the iterative constringency, such as the load controlling method, the displacement controlling method, the arc length controlling method and the pseudo load method
考慮彈塑性的分析方法有：彈性-塑性鉸法和虛擬荷載法根據非線性研究分析的需要，研究人員先後提出了：荷載控製法、位移控製法、弧長控製法和做功控製法等控制迭代收斂的非線性計算方法。 -
The direct analysis method has more efficient than the line programming for the shakedown analysis of contact surface layer, therefore, the mentality of shakedown analysis of contact surface layer was introduced based on the direct analysis method as follows : first, the direct method for shakedown analysis was presented and its application to a two - dimensional rolling / sliding contact problem was demonstrated. the direct method consists of operator split technique, which transforms the elastic - plastic problem into a purely elastic problem and a residual problem with prescribed eigenstrains, and an incremental projection method to determine the eigenstrain
這些方法各有創新，其特點是計算速度快、收斂性好及精度可靠，計算規模避免了彈塑性隨動強化分析的非線性的影響，並使彈塑性問題轉化為殘余問題和線彈性問題，適用於滾動、滾滑及滑動接觸失效分析，從而有效地解決了接觸體安定性分析與裂紋萌生壽命預測的實際問題，也是本文對表面強化接觸失效的安定分析成為可能。 -
With static elasto - plastic analysis method, the mrs behavior different from shear wall structure in intense earthquake is obtained. the basic way employing displacement - based design method for the structure and points for attention in practical project design are indicated. based on the experimental and theoretical achievement and compared with the general rc structure systems, moderate high - rise mrs conceptual design principle, seismic design method and section requirement is stipulated
（ 5 ） .中高層密肋壁板結構基於位移的抗震設計將基於位移的抗震設計思想引入結構設計之中，規定了密肋壁板結構滿足不同性能要求的層間位移角限值，並應用靜力彈塑性分析方法得出體系與混凝土剪力墻結構在大震作用下的不同反應特徵。 -
The increment - iteration solution strategy is adopted in the nonlinear finite element analysis. arc - length method and the incremental plastic reversibility procedure are used to find the complete load - deflection curve and deal with elastic unloading occurring in elasto - plastic analysis
有限元分析中採用增量?迭代方法，結合弧長法和塑性增量可逆的假定，可以計算出完整的荷載位移曲線，並考慮彈塑性問題中可能出現的彈性卸載問題。 -
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。 -
Using 3d 20 - node iso - parameter, 3d 12 - node infinite element and 3d 16 - node interface element, a coupled numerical approach for pile group - soil system under lateral loads is set up. a corresponding three - dimensional, nonlinear and elastic - plastic program ( epagpll ), include two materials and four nonlinear constitutive relations, is worked out by fortran 90 computer language. in the analysis the nonlinear e - model, k - g model and cambridge model with two yield surfaces are employed in the analysis of near - field soil, and the nonlinear analysis method is used in the piles - soil interface and distant - field soil
本人用有限元進行樁體和近域土的分析，對遠域土體採用無限單元，在樁土之間採用接觸面單元，建立了平面8節點環狀單元6節點無限元6節點接觸面單元相耦合的數值計算模型；針對豎直受力樁的流變分析，本人用內嵌于autocad的vba語言編制了前處理程序，可以快速形成包括網格、節點編號、單元編號在內的數據文件，供計算程序使用；同時在前人關于流變問題研究的基礎上，引進土體非線性流變本構模型，利用有限元、無限元、接觸面單元相結合的方法，用c + +語言編制了相應的計算程序。 -
A visco - elastic - plastic analysis method for stress field of massive concrete structures
大體積混凝土結構應力場的粘彈塑性分析方法 -
But this method still exists some shortcomings such as : while adopting displacement - control analysis method how to estimate the structural displacement requirement, how to select the horizontal load mode before and after the structure yields, how to considerate the high level mode that have a large effect while it is in the later position, how to considerate the elastic - plastic response spectra correctly. these problems remain to be solved. so this method needs to improved furtherly
但該方法仍存在一些不足，如：分析時採用位移控制的方法時，如何預估結構的最大位移需求；結構屈服前後水平荷載的分佈模式如何選取；對結構影響顯著但比較靠後的高階振型如何考慮；如何正確的考慮結構的彈塑性反應譜等問題仍沒有得到很好的解決，因此該方法仍需進一步的改進。 -
Ultimate load analysis of plate girders by spline finite strip and plastic hinge method
樣條有限條塑性鉸法分析板梁的極限荷載 -
This methodology avoids the operation of mathematical programming in traditional method of shakedown analysis and therefore obstruction due to large scale mathematical programming is overcome. the method for constructing a residual stress field based on the elasto - plastic analysis for soil structures do not need the linearization of the yield condition. the accuracy of numerical solution depends on elasto - plastic analysis
鑒于以上原因，本文深入、系統地研究了結構安定性分析的數值理論和計算方法，在此基礎上，基於經典安定理論建立了安定性分析的數值計算方法，並將其運用到巖土工程中地基的靜、動力穩定性評價中。 -
By adopting the calculating analysis method of elastic - plastic three - dimensional fem numeric simulation, this paper makes a simulation analysis on the structure stability of the shallow cover and unsymmetrically loaded parts in tongyoushan tunnel, mainly simulates the effects caused by different construction orders on surroundings and supporting structure stability, and it centers on the analysis on the weak part, the midwall in the lining of the connecting - arch tunnel
摘要採用彈塑性三維有限元數值模擬計算分析的方法，對桐油山隧道淺埋、偏壓地段結構穩定性進行了模擬分析，主要模擬了不同施工順序對圍巖及支護結構穩定性的影響，重點對連拱隧道整體襯砌中的薄弱環節中墻進行了分析。 -
In the area of elasto - plastic dynamic analysis of frame with friction energy dissipation, the design - oriented nonlinear seismic response time history analysis method for frame with friction energy dissipation has been set up. and the corresponding program idaff is developed using visual c + + language ; the analytic solution of a single - damped - story braced frame with friction energy dissipation under the sine wave excitation has been give ; besides these, a vibration reduction analysis of multi - story frame with friction energy dissipation has been given in the paper and some useful conclusions have been drawn
在摩擦耗能框架結構彈塑性動力分析方面，本文建立了面向設計的摩擦耗能框架結構非線性地震反應時程分析方法，並利用vc + +編制了相應的程序idaff ；給出了帶有摩擦耗能器的有阻尼單層框架在正弦波激勵下反應的解析解；同時本文從多自山度的角度出發對摩擦耗能框架的影響因素進行分析，得出相關的結論。 -
In this paper seismic analysis method of large complex structures such as bridges, tall buildings, subjected to stationary random ground excitations is investigated for which the non - linear elasto - plastic characters of some components is taken into account
本文對于在平穩隨機地震激勵下部分構件進入非線性彈塑性狀態工作的大型復雜結構（如橋梁、高層建築等）進行抗震分析。 -
Then an efficient and more accurate nonlinear finite element procedure based on the plastic node method ( pnm ) by combining elastic large displacement analysis theories with a plastic hinge model is presented to analyze the ultimate strength, directly accounting for the geometrical and material non - linearity and the influence of initial deformation and residual stress
然後採用塑性節點法，考慮結構的幾何非線性和材料的非線性雙重以及各缺陷因素影響，分析了不對稱船體結構的極限強度。通過與實驗值的比較，說明簡化方法與塑性節點法都能較準確預報極限強度。 -
Which adopt plastic analysis method, and take for reinforcement damage as failure criterion
本文公式採用塑性分析方法，以縱向鋼筋屈服破壞為節點破壞的準則。 -
Based on a shaking table experiment of steel reinforced concrete frame - shearwall structure model with steel truss transfer stories and finite element analysis, its seismic performance is studies deeply. in order to evaluate the structural seismic performance, three approaches, shaking table experiment for simulating earthquake, time - history analysis method and static elastic - plastic analysis method, are used in this project
本文的主要工作是研究和評估帶高位大跨度鋼桁架轉換層型鋼混凝土框架?剪力墻結構的抗震性能，為此，採用了三種方法：模擬地震振動臺試驗方法；彈性時程分析方法；彈塑性靜力（ push - over ）分析方法，展開了對課題的研究。 -
Though elastic finite element is adopted to analyze its seismic mechanism, methods are not sufficient for structural design. based on the finite element analysis, its seismic performance is studies deeply. in order to evaluate the structural seismic performance, three approaches, spectrum method, time - history analysis method and static elastic - plastic analysis method, are used in this project
本文的主要工作是研究和評估多塔帶轉換層高層建築結構的抗震性能，為此，採用了三種方法:振型分解反應譜法;彈性時程分析方法;彈塑性靜力（ push - over ）分析方法，展開了對課題的研究。
分享友人