翼截面 的英文怎麼說

中文拼音 [jiémiàn]
翼截面 英文
wing section
  • : Ⅰ名詞1 (翅膀) the wing of a bird 2 (像翅膀的東西) the wing of an aeroplane etc : 鼻翼 wing of...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  1. Based on basic principles of grillage method, an improved grillage model of wide cantilevers bridge deck is brought forth and its effectiveness is verified after generalizing rules of grillage meshing and sectional characteristic

    基於梁格法的基本原理,提出了寬緣上部結構分析的改進梁格模型,並總結了梁格單元劃分和特性計算的一般方法,最後通過算例驗證了該模型和方法的有效性。
  2. It is the key of ebfs, therefore, furthermore calculation about link are carried out in this thesis, introduced achieved research, summarized the affect of link on whole capability in the first, the second, numerical calculation are proceeded on link with ansys : with the purpose of discussing yielding mode critical length of link, established five different specimens ; with the purpose of discussing the influence of h / tw of web, b / tf of flange and h / b, established eighteen different specimens ; with the purpose of discussing the affect of stiffener, established four different specimens, and elaborated the affect of stiffener on link based on achieved test researches

    因此,本文對耗能梁段進行進一步計算分析,概述耗能梁段對整體性能的影響,並利用有限元程序ansys對耗能梁段進行數值計算:針對耗能梁段的屈服類型建立5種不同長度的模型,計算討論耗能梁段屈服類型的長度劃分;針對耗能梁段腹板高厚比、緣寬厚比以及梁段形狀等因素共建立了18種模型進行計算分析;針對加勁肋對耗能梁段的作用建立了4種模型,並結合已有的試驗闡述了加勁肋對耗能梁段的影響。
  3. Abstract : a model of self - excited ae rodynamic forces acting on a sectionof bridge deck with additional surface atta ched below the trailing edge is established

    文摘:首先建立了下風側附加板橋梁主梁的自激氣動力模型。
  4. The work in this thesis mainly includes following parts : 1. as for box girder cross section, the three - bar stimulation method under typical loads and supports has been introduced. the force and stress formulae for flanges have been derived from the three - bar method. by reasonable simplification for multi - cell box girder, the three - bar method has been applied in multi - cell box girder ' s shear lag analysis

    對于箱形主梁,本文介紹了三桿比擬法上、下板中比擬桿的計算公式,以及在典型荷載和支承的情況下板內各桿的應力計算公式,並對多箱式主梁進行合理簡化,使三桿比擬法應用於多室箱梁的剪力滯分析。
  5. Elastic theory and plastic theory are adopted in the analysis of the two section composite beam. elastic theory suggests, on the condition of the same steel beam section size, the composite beam for the floorslab is suited lower flanges convertion section stiffness cuts down by 75. 1 %, elastic limit bending resistant capability cuts down by 47. 9 %, than the composite beam for the floorslab is suited on the top flange. it s conversion section stiffness is lifted 8. 0 %, elastic limit bending resistant capability is lifted 0. 20 %, than the steel beam

    彈性理論分析的結果表明,在鋼梁大小相同的條件下,樓板位於鋼梁下緣的組合梁和樓板位於鋼樑上緣的組合梁相比,其換算剛度降低75 . 1 ,梁的彈性極限抗彎承載力降低47 . 9 ,樓板位於鋼梁下緣的組合梁和純鋼梁相比,其換算剛度提高8 . 0 ,梁的彈性極限抗彎承載力提高0 . 2 。
  6. Study of crossflow topology of unsteady vortex motion over a delta wing

    三角非定常旋渦運動橫拓撲結構研究
  7. Based on the research of influenced parameters on constant and varying depth solid web box girder before, the shear lag aroused by the parameters including width - span ratio, outstanding flange on base slab and the position of the tendons are further studied. the investigation show that shear lag values diminish along with the decease of width - span ratio and the departure from the symmetrical axis of anchor position, but outstanding flange is contrary to the former

    在前人對等、變實腹箱梁剪力滯效應影響參數研究的基礎上,本文進一步對腹板開孔的連續箱梁的寬跨比、底板緣伸出以及預應力錨固位置改變等參數對箱梁剪力滯的影響進行研究。
  8. As is well known, the effective width depends on several factors, such as the cross - section width, the height of web, the spacing of span and so on. we can conclude that width / span ratio ( overhang width / span and central width / span ) is the governing factor of the effective width

    影響箱形樑上緣有效寬度的因素很多,如上緣寬度、梁高、跨度以及結構體系等,通過大量計算表明寬跨比[緣部分寬度、箱室部分寬度與跨度的比值]是有效寬度的控制影響因素。
  9. Abstract : the effects of airfoil geometric parameters on wing " s spacial and polarized scattering characteristics have been systematically revealed. the results of the study indicated that the calculating value of diffraction from trailing edge by using the formula of the straight wedge is very far from experimental results for vertical polarization, and the contribution of thickness of the trailing edge to scattering must be considered in the calculation. the scattering peak of leading edge depends only on radius of airfoil for horizontal polarization. but for vertical polarization, it depends on maximum thickness and the location of maximum thickness. engineering formulas for evaluating all scattering peaks were given in the paper. it is important for the design of low - rcs wing

    文摘:系統地揭示了形幾何參數對機的空間散射特性、極化散射特性的影響規律.研究發現,在垂直極化狀態下用理論尖劈公式計算機后緣繞射的計算結果與實驗結果相差甚遠.提出在垂直極化狀態下機后緣繞射的計算必須將后緣厚度考慮在內的見解.對於水平極化,前緣散射波峰只與前緣半徑有關;而對於垂直極化,前緣散射波峰與形最大厚度以及最大厚度位置有關.給出前後緣散射波峰的工程估算公式,為低雷達散射( rcs )機設計提供依據
  10. Plastic theory suggests, the composite beam for the floorslab is suited lower flange, it s plastic limit moment cuts down by 52. 4 % than the composite beam for the floorslab is suited on the top flange. it s plastic limit moment lifts 8. 8 % than the steel beam, which is on the same condition

    塑性理論分析的結果表明,樓板位於鋼梁下緣形式的組合梁和樓板位於鋼樑上緣形式的組合梁相比較,其塑性極限彎矩降低52 . 4 ,和同等條件下純鋼梁相比較,樓板位於鋼梁下緣的組合梁塑性極限彎矩提高8 . 8 。
  11. As for side box girder, the elastic theoretical solution has been introduced. the method is based on stress function and regards side box girder as combine of plate element and shell element. then the force and stress formulae for flanges have been derived

    對于邊箱式主梁,本文介紹了彈性理論解法,基於板單元應力函數,將邊箱梁視為板單元和筒殼單元的組合體,從彈性力學出發,推導出板中法向應力。
  12. The form of variable cross - section, used mostly in the practical projects, just has the change of the linear variation on the height of the web plate while keep the width of the flange c hangeless

    實際工程中使用最多的變構件形式是僅構件腹板高度線性變化,緣寬度保持不變的形式。
  13. The new flap keeps essentially the same profile, but with a reduced cross sectional area at its extremities

    新副的形狀在總體上保持不變,不過在其末端的橫積卻變小了。
  14. Second, change the diaphragm ’ s space between, retain the other thing, analyze the influence of the stress and deformation of box ? girder cross section and the beam web. based on the analysis upwards, the writer studied the rule of the influence of the stress and deformation box ? girder cross section and the beam web with different diaphragm ’ s space between. according to the results of finite element analysis, the writer puts forward some suggestions which will provide some reference for the following design

    本文利用ansys有限元分析程序,對指定斷,不同曲率的曲箱梁,建立完備的有限元模型,分別對二個方的問題進行了分析:其一,通過對箱梁在有無跨中橫隔板時頂板及腹板的變形和應力分佈的對比分析,闡述了設置跨中橫隔板的重要性;其二,在相同工況下,通過改變橫隔板的設置間距,分析對箱梁緣及腹板的受力影響。
  15. Abstract : by using 2 - d finite element method ( fem ) and experiment, the phenomenon of heat conduction in tc11 ti alloy compressor blade is simulated and analyzed during the post - forge cooling course, and the time _ variation characters and distribution laws of transient temperature fields of every airfoil section are obtained

    文摘:運用二維有限元法和試驗方法,模擬、分析了tc11鈦合金壓氣機葉片鍛后冷卻過程的傳熱現象,得到該葉片各個上瞬態溫度場的時變特性和分佈規律。
  16. In the design of steel box - girder bridge, the shear lag effect of box - girder with wide flange and small span is outstanding

    在鋼結構箱形梁橋設計中,寬緣小跨徑梁在受力過程中存在的剪力滯後效應是一個不容忽視的問題。
  17. On the basis of analysis previous experiment data, it is conclusion that allowable value of drift angle of elastic and elastic - plastic is 1 / 550 and 1 / 75 respectively, which is applicable to r. c. frame structure with special - shaped column is given out. the conclusion explains that the deformabiliry of r. c. frame structure with special - shaped column lies between rectangle column frame structure and shear wall structure. the calculating formula of allowable value of axial load ratio of special - shaped column is derived, it is compared with that of equaling areas rectangle column

    根據對前人試驗數據的統計分析,給出了適用於異形柱框架結構的彈性和彈塑性層間位移角限值分別為1 550和1 75 ;指出了異形柱框架結構的層間變形能力介於普通矩形柱框架結構和剪力墻結構之間;以t形柱為例,推導了異形柱軸壓比限值的計算公式,通過與等積矩形柱的對比分析,認為異形柱的軸壓比限值與其尺寸的比例關系有關;當腹板受壓或緣受壓時, t形柱軸壓比限值存在較大差異;不同的荷載角作用,軸壓比限值變化較大;矩形柱的軸壓比限值要大於異形柱的軸壓比限值。
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