線彈性 的英文怎麼說

中文拼音 [xiàndànxìng]
線彈性 英文
linearelastic
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : 彈名詞1. (彈子; 小球形的東西) ball; pellet 2. (內裝爆炸物, 具有破壞和殺傷能力的東西) bullet; bomb
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  1. Through the analysis we found that the effect will become more obviously with the increase of thickness or width of superstratum and the decrease of the coefficient of foundation bed ; ( 3 ) anisotropy and nonlinear elastic f. e. m. model has been established and the effect of stress dispersion in compound two - layer foundation was analyzed on the base of the model. from the analysis we can conclude that the coefficient of subsidiary stress dispersion will amplify with the increase of thickness or width or stiffness of back - up coat ; ( 4 ) the formula which can be used in conventional calculation has been deduced for calculating the coefficient of subsidiary stress dispersion and it also has been affirmed to be reasonable through the checking calculation ; the whole theory of compound two - layer foundation has been brought forward in this paper and it ' ll enrich the theory of composite foundation

    針對以上問題本文做了以下一些工作並得到若干結論: ( 1 )提出了「復合雙層地基」的概念,並通過工程實例證明此概念的提出有其合理和必要; ( 2 )用地基梁理論證實了復合雙層地基確有應力擴散效應,且擴散效應隨上覆硬層厚度、剛度的增加而增大,隨下臥層基床系數的增大而減小; ( 3 )建立了非線彈性、各向異有限元模型,並以此為基礎分析了復合雙層地基的應力擴散效應,得到附加應力系數隨加固層厚度、寬度、剛度的增加而增大的結論; ( 4 )推導了可用於常規計算的復合雙層地基應力擴散系數公式,並代入工程實例進行了驗證。
  2. 2. because the fracture mode of 3d braided cmc is the interfacial fracture of mode i and mode ii, energy release rate gc and complex stress intensity factor kc was designated as characterization parameters of fracture toughness in the linear fracture theories. 3

    根據三維編織c sic復合材料斷裂韌的表徵問題屬于線彈性理論范疇以及材料斷裂模式是界面損傷破壞模式的實驗研究結果,提出了該材料的表徵參量應該使用與界面相關的型和型混合斷裂的能量釋放率g _ c ,或者使用復應力強度因子k _ c 。
  3. The linear elastic slope deflection equations of gable portal frames when occur the side - sway and non - sway buckling are derived. the equations considere the rafter slope and the vertical uniform loading subjected on the rafter. the established equations of non - sway buckling can consider the effect of snap change effect of gable frame

    推導了山形門式剛架有側移失穩和無側移失穩的線彈性位移方程,方程考慮了斜梁傾角和斜樑上豎向均布荷載的影響;建立了能考慮山形門式剛架跨變效應的無側移失穩位移方程。
  4. On the basis, the effect of different factors such as the sloping angle of arch ribs, the stiffness of bridge deck system, the effect of non - orientedly conservative loadings of the hanger and tie bar etc is discussed

    此外,採用線彈性方法,就拱的吊桿的非保向力效應、橋面系的剛度、橫撐布置形式、拱肋側傾角等因素對該橋整體穩定的影響展開探討與研究。
  5. The software ansys6. 0 is used to analysis the stability of the state after construction of tongwamen bridge, linear method is used in analyzing the finite element model of the bridge, the coeffient of stability of different state after construction is given. on the basis, the effect of different factors such as the arrangement of lateral brace, the sloping angle of arch ribs, the stiffness of bridge deck system, the effect of non - orientedly conservative loadings of the hanger and tie bar etc is discussed. the different coefficients of stability of changing these factors are given, so the factors that are vital to the lateral stability of x - type arches are found, and the rationality of the methods taken to enhance the lateral stability of tongwamen bridge is evaluated

    本文應用有限元分析商業軟體ansys6 . 0 ,採用線彈性方法,通過對該橋的空間有限元模型進行穩定分析,得出其成橋運營階段各種工況下的穩定安全系數。在此基礎上,本文還通過有限元模型分析,就拱的矢跨比、吊桿(立柱)的非保向力效應、橋面系的剛度、橫撐布置形式、拱肋側傾角等因素對該橋整體穩定的影響展開探討與研究。文中給出了各因素變化情況下的穩定安全系數,指出了對鋼管混凝土提籃拱橫向穩定有顯著影響的因素及其合理變化范圍,並對銅瓦門大橋提高橫向穩定的措施的經濟合理進行了分析。
  6. The analysis showed the strain of section is not plain under moment so that the moment is carried by force couple in the outer frame. 4. the paper gave the rigid frame - compression bar model for practical computation

    在試驗研究的基礎上,提出了密肋復合墻板實用設計的鋼架斜壓桿模型;通過線彈性有限元分析,就其優化設計進行了探討。
  7. A general consensus exists related to the influence of slow crack propagation ahead of the crack tip upon the nonlinearity observed in the typical load - deflection response of the concrete specimen, namely, concrete exhibits somewhat quasibrittle behavior, which has been verified by the inapplicability of the conventional linear elastic fracture mechanics ( lefm ) and fracture models suitable for metal - like materials

    現在已經意識到,混凝土在其典型的位移曲中呈現出的非特徵是由於裂縫在端部的緩慢擴展引起的,可以認為是混凝土的一種半脆能。這是在發現傳統的線彈性斷裂力學( lefm )和適合金屬類材料的斷裂模型不適用於混凝土研究時得出的結論。
  8. Construction technology for double line elastic monolithic track bed of east qinling super - long tunnel

    東秦嶺特長隧道雙線彈性整體道床施工技術
  9. The analysis of cracking in steel bridges can usually be accomplished by using linearelastic fracture mechanics.

    通常可用線彈性斷裂力學進行鋼橋裂紋分析。
  10. Then the probably factors which affect the arch in the wall are analyzed through the linear program in which the ratio of the height to the span of the beam is the most

    然後用線彈性程序對可能影響墻梁拱效應的各個因素進行了詳細的分析,得出托梁的高跨比是影響墻梁拱效應高度的最主要因素。
  11. 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能,分別用線彈性方法和非分析方法推導了預應力構件開裂截面全應力的計算公式。
  12. Linear elastic dynamic fracture mechanics are adopted to analyze the working characters of the semi - rigid asphalt pavement with the reflective cracking. it is successful to simulate the crack expansion process based on elastic damage theory, at the same time the fatigue life is forecast. the research findings are valuable for the pavement engineering practice on the soft clay ground

    本文分析路表變溫對軟土地基上半剛路面結構體的作用時,考慮了路表降溫導致瀝青混凝土回模量的非均勻,採用線彈性動斷裂力學分析軟土地基上含反射裂縫半剛路面結構體的工作狀。
  13. An analytic method is developed for the problem of scattering of steady sh - wave and dynamic analysis of a shallow - embedded circular lining structure in the field of linearly elastic dynamic mechanics in this paper

    本文在線彈性力學范疇內,建立了求解半無限空間中界面附近圓形襯砌結構對sh波散射與動應力集中問題的解析方法。
  14. According to the special stratum condition 、 soil parameter 、 pile frame system in the protecting landslide of hongtian jianfeng in yongan city in fujian province, compile a fem program of plane strain and analyze the interaction by nonlinear fem on intensity discount. in the program, duncan - chang model is applied to earth, elasticity model is applied to pile and rock ; goodman element is set between pile and rock - earth and applied to simulate sliding plane and flexible floor ; sequential pole elements with original stress are applied to anchor cable

    在程序中土體採用了duncan - chang雙曲本構模型,樁和錨固層以下的巖體採用了線彈性本構模型,並且在樁和巖土體間設置了無厚度的古德曼( goodman )單元,對于軟弱夾層和已知的滑裂面也採用古德曼單元模擬,錨索採用的是具有初始應力的連續桿單元模擬。
  15. Based on biphasic porous medium model of articular cartilage, this thesis regards the solid phase as isotropic linear elastic medium, the fluid phase as ideal fluid, the deformation as small, and the permeability depending on the volume strain of solid phase, and deduce out the finite element method for this nonlinear model

    本文針對關節軟骨兩相多孔介質模型,視固體相為各向同線彈性介質,流體相為理想流體,變形為小變形,滲透率與固體相體積應變相關,研究該非模型的有限元法。
  16. To meet the need of settlement calculation with fem when absence of laboratory triaxial test data in common road engineering, methods of determining the five parameters included in tangential elastic module through soil routine tests and the related emendation coefficient are given. at the same time, one approximately substituted formula for tangential poisson ratio is also developed, which is suitable for both sandy soil and cohesive soil. ( 3 ) research on main parameters modification of duncan - chang model based on the improved bp network

    對於一般道路工程中不做三軸試驗但須進行沉降有限元計算的情況,給出了依據土體常規試驗的切線彈性模量確定方法和相關修正系數,同時也提出了對砂土和粘土均適用的切泊松比的近似替代式子; ( 3 )基於改進的bp網路對鄧肯張模型主要參數修正研究。
  17. During the course of stress calculation, the concrete watertight wall and the soil around are supposed to be linear elastic material, the onsolidation of dam is supposed to be completed before the watertight wall is constructed, the contact element is adopted to simulate the interface between the dam and watertight wall, and the completed before the watertight wall is constructed, the contact element is adopted to simulate the interface between the dam and watertight wall, and the influence towards the stress of watertight wall when water elevation changes is calculated by fem

    應力計算時將砼防滲墻及周圍土體假設成線彈性材料,假設在防滲墻施工時壩體固結已經完成,用接觸單元模擬壩體和防滲墻之間的接觸面,利用有限元計算出水位變化對防滲墻應力的影響。
  18. In response to the limitation of conventional index for stability and optimal design of underground rockmass engineering with high geostress and the drawbacks of conventional energy release rate ( err ) rockburst index based on linear elastic theory without brittle failure phenomenon, local energy release rate ( lerr ), a new rockburst index is proposed

    摘要針對地下工程穩定分析與優化的常規指標在高地應力條件下的局限及傳統的能量釋放率巖爆指標把巖體看成不發生脆破壞線彈性體的不足,提出局部能量釋放率新指標。
  19. 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。
  20. Abstract : the comprehensive fem analysis for the shimen arch dam and its abutment is carried out as an example to demonstrate the proposed method utilizing the monitoring data for calculation. based on teh back analysis of permeability coefficient and tensile strength of the seam between dam and foundation, the 3 | d seepage flow and elastoplastic fem analysis of arch dam and its abutment are conducted. the safety factor against sliding of arch dam is determined using some different methods to verify the stability of the dam

    文摘:本文以石門拱壩為例,說明基於原觀資料進行拱壩及其基礎的綜合分析的方法.內容包括:在反演擬合滲透系數和壩與基巖接觸面的抗拉強度參數的基礎上,進行壩址區三維滲流場分析、拱壩與基礎的三維線彈性力學分析,並用多種方法探求了拱壩抗滑穩定安全系數
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