塑性模數 的英文怎麼說

中文拼音 [sùxìngmóshǔ]
塑性模數 英文
modulus of plasticity
  • 塑 : 動詞（塑造） model; mould
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 模 : 模名詞1. （模子） mould; pattern; matrix 2. （姓氏） a surname
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 模數 : [物理學] modulus; module; modulo; mod
  1. Basic theory of adjoining rock plastic rum and numerical simulation method

    圍巖塑性圈的基本理論及數值模擬方法
  2. 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。
  3. On the basis of the basic theory of metal distortion, using round steel alit rolling as entity model and combining with production practice, the selection of slit location, slit mode and the design parameter of slit pass system were analyzed, and the area calculation model of pre - slit rolled piece and slit rolled piece was built

    摘要基於金屬塑性變形基本理論，以圓鋼雙線切分為基本實體模型，結合生產實踐，對切分位置、切分方式的選擇和切分孔型系統的設計參數進行了分析，並建立了預切分軋件和切分軋件的面積計算模型。
  4. In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test

    然後，對巖土工程領域至今尚未解決，甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討，提出了考慮地基變形的地基承載力上程計算方法；對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎（空間問題）的承載力界限荷載p _ （ 1 / 4 ） ，並與國內外土力學專著及地基基礎設計規范中的條形基礎（平面問題）的界限荷載p _ （ 1 / 4 ） ，進行了對比，從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況；根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作，本文以截頭錐模型模擬地基，對地基（巖基）承載力的動測法進行了研究，為各類地基（包括巖基） ，匯總了動力分析和檢測川的參數：針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題，從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論；本文作者根據多年現場載荷試驗的工程實踐，對深井荷試驗裝置的核心部分? ?反力裝置，設計了側壁支撐反力加載系統，該加載系統具有實用、簡便、穩定及安個等優點。
  5. Based on the regional structure dynamics analysis of the lithosphere imbricate structure in lanping - weixi area, the middle section of three - rivers area ( n26 - 28 ), the bouguer gravity anomaly of deep structures was completed and the fractal of these faults was calculated. the geology structure model and the elasticoplastic three - dimension finite - element mathematic are described, made and calculated ; and physical simulation was accomplished

    針對三江中段n26 - 28蘭坪-維西地區的巖石圈正交疊加構造的區域構造動力學分析，進行了深部構造的布格重力異常延拓處理和淺部的斷層分維計算，描述、製作計算了地質結構模型、彈塑性三維有限元數學模型和物理模擬。
  6. Considering the characters of bp neural network, such as the simple structure, the advisable malleability, self - fitness, self - studying, nonlinear function approximating, the considerable abilities of parallel computing, fault - tolerant and so on, the bp algorithm have been extensively applied to the areas of system modeling, pattern recognition and seismic exploration since 1986. compared with other algorithms, as the above reasons, the bp algorithm has become the most usual and efficient solutions to the artificial neural networks

    由於人工神經網路中的bp神經網路結構簡單，可塑性強，具有良好的自適應、自學習、極強的非線性逼近、大規模并行處理和容錯能力等特點，自1986年rumelhart等人提出以來，被廣泛應用於系統建模、模式識別、地震勘探等重要領域。而bp演算法數學意義明確，步驟分明，是神經網路中最為常用、最有效、最活躍的一種方法。
  7. 5 ) the 3 - d geometry and finite element model of the assembly of the optimized obturator of the breech mechanism is set up in terms of the optimized structural parameters. quasi - static and dynamic finite element analysis of stiffness, strength and obturating performance of the optimized obturator of the breech me chanism is performed

    利用優化后的結構參數建立了優化后炮閂閉氣結構的裝配體三維幾何實體模型和有限元模型，對優化后的炮閂閉氣結構剛強度和閉氣性能進行了準靜態及動態多體接觸彈塑性有限元分析。
  8. In order to fully refect the geo - tech basic mechanics behaviors and to rationally explain the strain localization, this paper establishes the theory framework of gradient - dependent plastic model based on the theory framework of gradient - dependent plastic mechanics and in considering the plastic strain ' s gradient - dependence in double yield function, offers a kind of possible concrete pattern of the generalized plastic gradient model and analyzes each parameter of the model, particularly with the physical sense of " localized parameters " and the elements producing possible effect upon the model

    為了較全面地反映巖土的基本力學性質，同時合理解釋應變局部化現象，本文基於廣義塑性力學的理論框架，在雙重屈服函數中考慮了塑性應變的梯度依賴，建立了廣義塑性梯度模型的理論框架，並給出了廣義塑性梯度模型的一種可能的具體形式，分析了該模型的各個模型參數，尤其是其中的「局部化參數」的物理意義和可能對其產生影響的因素。
  9. By using one - dimensional finite different hydrodynamic code coupled with four spall models, spall in ductile metal has been studied

    摘要在平面一維彈塑性流動有限差分計算程序中加入4種延性金屬層裂模型，對平板撞擊層裂實驗進行數值模擬。
  10. 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。
  11. The elastic and elastic - plastic calculation models of slope earthquake response are erected by the commerce software - - - flac. the distribute regularity of peak

    建立邊坡彈性和彈塑性模型，分析了邊坡內部質點沿高度方向的加速度峰值放大倍數分佈規律。
  12. Lagrange wave speed in the release process was computed from the measurement, and result shows a good agreement with the data in literature. furthermore from the lagrange wave speed, the stress - strain relationship in the release process was calculated using the impedance match solution. comparison of the stress - strain with the fluid elastic - plastic model indicates that ofhc copper exhibits a clear work - harden behavior during the release

    根據界面粒子速度剖面，計算得到了卸載過程中lagrange聲速隨界面粒子速度變化的關系，所得結果與文獻給出的數據符合很好；其次，利用阻抗匹配近似，計算分析了無氧銅卸載過程的應力-應變關系，並與流體彈塑性模型進行了比較，結果表明：無氧銅的卸載過程存在明顯的應變硬化效應。
  13. The study demonstrated that linear visco - elastic parameters of rheological models built by theoretical modeling methods were constant while nonlinear visco - elastic parameters were not constant and changed as stress level changed and that visco - plastic parameters determined the shape of stress - strain curve

    研究表明：運用模型理論建立的流變模型的線性粘彈性參數在低應力水平下是惟一的，但非線性粘彈性參數不惟一，並隨應力水平的變化而變化，而粘塑性參數的大小決定了應力應變等時曲線的形狀。
  14. Systemic numerical tests are made first, to study the parameter sensitivity of cohesion and friction angle and other elastic parameters to the convergence in tunnel. some comprehensive parameter sensitivity laws have been draw thought these numerical tests. the method of emulating back analysis is illustrated secondly, in detail by tracing the excavation and supporting conditions by the special numerical modeling rested in final program

    主要研究成果： （ 1 ）建立使各個參數靈敏度值具有可比性的靈敏度計算公式，不僅得到了靈敏度分佈規律，而且還得到了各參數對位移的量化影響結果； （ 2 ）詳細闡述了巖土工程模擬反演分析思路與具體方法； （ 3 ）假定圍巖為理想彈塑性模型，在可量測出理論上認為不可測的塑性變形、實現彈塑性位移分離的前提下，提出了彈塑性問題的分步反分析法。
  15. Parameter studies for simulation of stress distribution around tunnels and interaction between tunnels with an elasto - plastic model

    基於彈塑性模型的隧道周邊應力分佈及隧道間相互作用的參數研究
  16. In this article, we introducte the advanced numerical, analysis method - finite element method and lucubrate the rigid - viscoplasticity basic theory for three - dimensional problem with the metal ' s specific feature of the warm extrusion forming process, the analytical procedure of metal ductility forming process and the rigid - viscoplasticity finite element method ' basic theory. the rigid - viscoplasticity ' s modle has been made and the rigid - viscoplasticity ' s modle finite element columnwise based on the lagrange facil method and overtension overtress has been deducted in this paper. at the same time, we have analytic studied the forming technique process for the sway oil pump stator

    本論文採用先進的數值分析方法? ?有限元法，結合金屬在溫擠壓成形過程的具體特點，詳細論述了三維問題的剛粘塑性有限元法，介紹了金屬塑性成形過程的分析方法，以及剛-粘塑性有限元法的基本理論，建立了剛-粘塑性模形，推導了基於lagrange乘子法和過應力模形的剛粘塑性有限元列式，並對轉向油泵定子的成形工藝過程進行了研究分析。
  17. In this article, idealized elastic plastic model and three - dimension finite elements programs have applied to analyzing and researching the stress and displacement distribution of 4 high - steep slopes excavated on the wan - liang expressway, and the relationship has been gained between the stress existing in excavated rock slopes and stability coefficient with depth change through the self - made fortrain program ' s application to the computation of slopes " stability coefficient ; at the same time, through the analysis of the slopes " stability coefficient, such conclusion has been gotten that cohesion in the slipping zone has important effect on slopes " stability and some proposals have been presented to improve the anti - shearing ability of the slipping body through enhancement of the cohesion in the slipping body

    本文採用概化均質的理想彈塑性模型，利用三維有限元程序分析了萬梁高速公路4個高陡邊坡開挖各階段的應力及應變分佈，並且編寫了fortran程序用於邊坡穩定系數的計算，得出邊坡巖體應力及穩定系數隨著開挖深度的變化關系。並對邊坡穩定系數的敏感性進行了分析，得出滑帶內聚力的變化對邊坡穩定性至關重要，提出了改善滑帶巖土粘結狀態提高抗剪能力的工程措施。
  18. Numerical simulation also conf irm this analysis that the fluid elastic - plastic model can approximately describe the shock compression and release process of ofhc copper in the teens gpa range, but for precise description, especially in the initial release stage, more detail constitutive model is needed

    數值計算結果也支持了這種分析：在十幾個gpa的壓力范圍，無氧銅的沖擊加載-卸載過程近似滿足流體彈塑性模型，但在精確描述，尤其對初始卸載階段的描述上，仍需要更準確的本構方程和物理模型。
  19. A suitable calculation method is given to identify the fore material constants using trialxial tests. in comparison with the hypoplastic constitutive model presented by w. wu and d. kolymbas, this model has the advantage of form simplicity. the determination method of material constants presented in this dissertation avoids disadvantage that material constants vary with the chosen reference point

    該模型與wwu .和dkolymbas提出的亞塑性本構模型相比，具有形式簡單的優點，所提供的材料常數確定方法，克服了亞塑性模型中因選取參考點的不同所確定的材料常數值變化大的弊病。
  20. The duncan - chang nonlinear constitutive model and the shen zhu jiang ' s double - yield - surface elasto - plastic constitutive model is introduced into ansys fea software firstly based on the user programmable features of ansys for there is no fit constitutive model for soil material in ansys. the influence of the relative parameters on the two models is studied in detail, and the general method to introduce any constitutive model to ansys is obtained. secondly, the model is used to analyze the xia ban di rockfill dam

    本文基於ansys的用戶可編程特性（ upfs ） ，針對在諸如ansys等大型有限元軟體中無適用於土體材料的本構模型這一問題，首先分析了其用戶可編程特性（ upfs ）的二次開發功能，在該軟體中成功導入了duncan ? chang非線性模型及沈珠江雙屈服面彈塑性模型，並對兩種模型的相關參數的影響進行了詳細分析，得出了將任意本構模型導入ansys的方法。
分享友人
分享到 Line

分享到臉書