linear elastic analysis 中文意思是什麼

linear elastic analysis 解釋
線彈性分析
  • linear : adj. 1. 線的,直線的。2. 長度的。3. 【數學】一次的,線性的。4. 【動、植】線狀的;細長的。5. 由線條組成的,以線條為主的,強調線條的。
  • 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
  • analysis : n. (pl. -ses )1. 分解,分析;【數學】解析。2. 梗概,要略。3. 〈美國〉用精神分析法治療(= psychoanalysis)。
  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. To illustrate the foregoing analysis, consider a linear elastic solid.

    為了舉例闡明以上的分析,我們考慮一種線性的彈性固體。
  3. The main content of this article includes : " ( l ) the planar non - linear and viscid - elastic static mechanical analysis is used to analyze and calculate the md in service. ( 2 ) the planar nonlinear static mechanical analysis of the stress and deformation is used to analyze the med in banking, which is banked to the height of 140m

    主要研究工作有: ( 1 )茅坪溪防護大壩完建和蓄水時的應力和變形的分析計算:對完建和蓄水時壩體的應力和變形進行平面非線性靜力分析計算和平面粘彈性靜力分析計算,對分析計算結果作出結論。
  4. According to different working performance ofjhe partially prestressed structure after cracking under the piling loads, the calculating formulae of the " complete stress " are deduced separately by means of linear - elastic or nonlinear analysis method

    根據部分預應力構件在荷載分期作用下不同的受力性能,分別用線彈性方法和非線性分析方法推導了預應力構件開裂截面全應力的計算公式。
  5. Secondly the author ' s study are introduced in this paper. the author study mainly the linear static and dynamic, elastic - plastic static and dynamic problems of cfst arc - bridge. firstly, the author establish the linear static equation on the based of the rigid equation of element by qr - method, and then analysis the inner force of arc bridge, establish the linear dynamic equation and elastic - plastic rigid equation and dynamic equation, then solve respectively the elastic - plastic rigid and dynamic equation by the method of repeated increment and no limit stabilization, arithmetic

    本文主要研究大跨度鋼管混凝土桁架拱線性靜力問題和線性動力問題以及彈塑性靜力問題和彈塑性動力問題,先利用qr法按照梁單元的剛度方程建立桁架拱的線性靜力方程,進行桁架拱內力分析,建立桁架拱線性動力方程、彈塑性剛度方程及彈塑性動力方程,然後利用增量迭代法及樣條無條件穩定演算法分別求解彈塑性剛度方程及動力方程。
  6. It ' s an ideal structural system and has multi - earthquake resistance ability because of a great deal of slabs removed in floors above the transfer - story amended the lateral stiffness of the stories near the transfer - story. based on the available references, the five - spring line element, the three - spring line element and the multiple vertical - line - element model are introduced to model special column, beam and shear - wall, the relevant stiffness matrixes are deduced and the restoring - force models are gaven to deep into the elasto - plastic seismic characteristics of the structure. acording to the results of shaking table test and elastic finite element analysis, a new making model melhod is presented in which uses the linear and the nonlinear element and the assumption that the floor is infinitely rigid in different areas

    為進一步研究這種復雜高層建築結構的彈塑性性能,本文在國內外現有研究的基礎上,提出利用五彈簧桿元、三彈簧桿元及多豎線單元模型分別模擬空間柱、梁和剪力墻,推導了相應的剛度矩陣並給出了恢復力模型;結合試驗研究和精細有限元分析的結論,提出線性和非線性單元相結合,剛性樓板假定和彈性樓板相結合的建模方法,較好地解決了空間結構彈塑性分析中佔用計算機資源較多的問題;接力大型有限元分析程序? ? ansys ,在上述建模思路的指導下建立了結構的空間非線性分析模型,進行了空間三維彈塑性時程分析。
  7. 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。
  8. 3. falling weight deflectomoter produces the impulse load to pavement, but the mechanics model of current inverse analysis is the assumption of static linear elastic behavior of pavement

    落錘式彎沉儀( fwd )對路面施加的是動荷載,而目前反分析力學模型均為靜載下的線彈性層狀體系。
  9. Dynamic behavior analysis of elastic shaft rotor with a crack supported on the unsteady and non - linear oil film

    非穩態非線性油膜力作用下柔性軸裂紋轉子的動力特性分析
  10. In the actual ( ( code for steel structure design } ) ( gbj 17 - 88 ) and for the ( ( technical specification for steel structure of light - weight buildings with gabled frames ) ) ( cecs 102 : 98 ), the calculation method for the stability of the members is : obtaining the axial force through the analysis of the linear - elastic inner force of the whole structrue, then checking the stability inside and outside the plane respectively on the foundation of the yielding rule of the edge

    我國現行《鋼結構設計規范》 ( gbj17 - 88 )和《門式剛架輕型房屋鋼結構技術規程》 ( cecs102 : 98 )對構件的穩定計算方法是:先對構件進行整體線彈性內力分析,得到構件的軸力和彎矩;再根據邊緣屈服準則對構件分別進行平面內和平面外穩定驗算。
  11. ( 4 ) because calculation of stress intensity factors using the finite element method of the linear elastic fracture mechanics cannot satisfy the need for the real - time monitoring and the real - time analysis of cracks in concrete dams, a four - layer neural network optimized by genetic algorithm and chaos optimization algorithm is proposed. the example shows that the optimized neural network can yield good results

    ( 4 )用斷裂力學有限元計算應力強度因子不能滿足對混凝土壩裂縫實時監測、實時分析中的要求,提出了利用遺傳演算法和混沌優化演算法改進的四層神經網路的解決方法,實例分析表明,本文提出的四層優化神經網路計算的應力強度因子接近於用斷裂力學有限元計算的應力強度因子。
  12. Four types of constitutive models are provided by the code : linear elastic model, duncan - chung model, nonlinear elastic model taking stress path into account and modified three - element model. contact element is used to simulate possible sliding between soil and structure. with this code, analysis is made concerning the pore pressure dissipation, lateral deformation of the support, ground settlement, bottom heave, and variation in earth pressure and support forces ; both effects of consolidation and coupled effects of consolidation and creep are considered ; furthermore, different combinations of cohesion, permeability and excavation width are elaborated

    該程序採用了更合理的開挖荷載的計算方法,可以引入線彈性、鄧肯張非線彈性、考慮應力路徑的非線性彈性和修正三元件模型等四種本構模型,並在擋墻和土之間設置薄層接觸面單元以模擬土體和墻體在開挖過程中可能產生的滑移。
  13. A series of elastic spring were used to simulate the soil reaction to structure and a equivalent linear iterative approach was used for simulating the soil nonlinear behavior in the finite element analysis in this paper

    在有限元分析中,本文採用一系列彈性彈簧單元模擬土作用,通過反復的等效線性迭代過程模擬土對結構的非線性。 2 、進行模態分析。
  14. The thesis introduces the biot ' s three - dimension consolidation theory based on absolute linear - elastic theory ; the thesis designs the pit dewatering scheme of hand - dug piles support of shenyang subway ' s shenyang station construction ; the thesis uses finite element program to simulate the influence on around environments caused by pit dewatering, and finds the change laws of earth mass inner stress and the effect parameters on the surface deformation on the basis of reasonable hypothesis and the analysis of ground water exploitation progress. combined with stochastic medium theory, the thesis introduces dewatering subsidence coefficient, sets up the predicting model of the surface deformation caused by dewatering, and develops the computing program ; by application of program on a single well of underwater exploitation, it is proved that the program is feasible, so the prediction of the surface deformation caused by underwater exploitation is realized

    本文介紹了基於線彈性本構關系的biot理論;設計了擬建沈陽地鐵沈陽站點人工挖孔樁支護施工的基坑降水方案;利用有限元程序,模擬了基坑降水對周圍環境的影響;在合理假設的基礎上,分析了地下水開采過程中,地層應力的變化規律,找到了影響地面變形的參數;與隨機介質理論相結合,通過引入采水下沉系數建立了地下水開采引起地面變形的預計計算模型,並編制了電算化程序;通過某單井開采實例驗證了該方法的可行性,實現了地下水開采引起地面變形的預計。
  15. Based on the theory of random vibration, the stochastic earthquake responses and dynamic reliability of underground structures under the condition of the linear elastic states were studied by using the method of probability analysis in this thesis

    本文應用隨機振動理論,採用概率分析方法初步研究了地下結構線彈性工作狀態的地震隨機響應及其地震動力可靠度,為地下結構抗震設計方法研究提供一定的理論參考。
  16. In order to obtain elastic stiffness matrices and geometry stiffness matrices that do not depend on subdivision of the element for convergence, the displacement functions are expressed in terms of the geometry properties of the section and this consideration leads to the formulation of exact stiffness matrices for linear elastic analysis given in this paper

    本文利用有限元方法對變截面梁單元進行研究。為了得到精度不依賴于劃分單元數目多少的彈性、幾何剛度矩陣,本文採用變截面構件幾何特性積分所獲得的軸向、側向位移函數。
  17. Theoretical analysis on the non - linear elastic theoretical analysis on the non - linear elastic

    彎曲動脈壁非線性彈性力學性質的理論分析
  18. The analysis shows that the stability factor of linear elastic analysis is approximately equal to the stability factor of geometrical nonlinear analysis. it is also revealed that the stability factor decreases little with respect to various horizontal loads

    研究顯示幾何非線性穩定分析結果與線彈性穩定分析結果較為接近,並且在不同量值水平風荷載作用下,該橋的穩定系數下降不多。
  19. Adopting the conceptions of thin - walled member theory, studies on linear elastic analysis and ultimate strength behaviors of curved i - beams are presented in this paper, which may give helps to a deeper understanding of the behavior of curved beams and provide a reasonable design guideline

    本文依據薄壁構件理論,通過對工字形截面圓弧曲梁的線性分析、穩定理論和極限承載力等問題的研究,旨在進一步了解這類構件的工作特性,並為工程設計提供一定幫助。
  20. Accounting for the effects of imperfection and large displacement of arch, an approach for the stability analysis of arch bridge is presented , and a program is developed to predict the nonlinear buckling of arch the elastic lateral stability of the jiefang arch bridge in guangzhou during the construction phases and operating periods after its completion is analyzed the results show that the effects of initial deflection and large displacements on the critical load of lateral stability are significant, and that once the initial deflection and large displacement are taken into account, the values of the safety factor are smaller than those obtained by linear buckling analysis

    考慮拱肋初始撓度等缺陷的影響,採用桿系結構大位移分析的有限元方法,建立了拱橋非線性穩定的計算方法,並編制了相應的計算程序文中計算了解放大橋鋼管混凝土拱橋在施工階段及成橋后運營期間的彈性側傾穩定結果表明:考慮拱肋初始撓度和結構大位移影響后,拱橋的非線性側傾穩定安全系數比按線性穩定計算值低
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