曲形翼 的英文怎麼說
中文拼音 [qūxíngyì]
曲形翼
英文
campylognathoides-
Sleepless , i carved on the walls fantastic figures in mazy bewildering lines ? ? winged horses , flowers with human faces , woman with limbs like serpents
我徹夜不眠,用扭曲混亂的線條在墻上刻畫出一些奇異的圖形? ?生翼的馬,人面的花。四肢像蛇的女人。On the basis of this, the paper makes a great deal of calculation and analysis in this part, different parameters " effect and stress gradient are included. local buckling coefficient and the efficient width calculated formula are provided and look forward to take a reference to the redaction of the specification
本文對此內容進行了較為深入的研究,考慮了多個參數的影響,對各種應力比作用下的楔形腹板的屈曲及屈曲后強度進行了計算分析,得出了考慮翼緣相關作用的楔形腹板屈曲系數及有效寬度系數的計算公式,以期為規范的修訂提供參考。Some typical schemes are implemented via this data structure ( loop subdivision, catmull - clark subdivision, do - sabin subdivision, hybrid subdivision, adaptive subdivision ). the technique of opengl is utilized to accomplish some basic operations, such as rotation, zoom, pan, pick and so on. finally the algorithms studied by our research group are integrated, and a prototype system based on subdivision surface is developed
( 4 )改進了適合於曲面細分的的翼邊數據結構,並實現了典型的細分演算法( loop細分、 catmullclark細分、 doo - sabin細分、混合細分、自適應細分) ;採用opengl技術實現了旋轉、縮放、平移、拾取等圖形的基本幾何操作;最後將本課題組研究成果加以集成,開發了一個基於細分曲面的原型系統。In this thesis, four types of steel beam - rectangular cfst column connections, including normal welded flange plate ( wfp ) connection, bolted flange plate ( bfp ) connection, stiffened end plate ( sep ) connection and double split - tee plate ( dst ) connection, were designed based on the configuration of steel frame connection. total 8 models, 2 models of each kind of connections were tested under low - reversed cyclic loading at the end of cfst columns. the relationships between force and displacement at the end of columns, the relationships between the moment and rotation of the joints, degradations of strength and stiffness, ductility, failure mechanism and failure characteristics of these four connections under different axial - compression ratios were presented
本文借鑒鋼框架節點構造,設計了四種類型矩形鋼管混凝土柱與鋼梁連接節點,包括常規栓焊( wfp )節點、翼緣全螺栓連接( bfp )節點、雙t板連接( dst )節點以及加勁端板連接( sep )節點,進行了四類節點8個模型試件在柱端低周反復荷載作用下的抗震性能試驗研究,比較了不同軸壓比下節點的滯回性能、強度與剛度退化、延性、破壞機理與破壞特徵,主要結論有: 1 、節點的位移滯回曲線與轉角滯回曲線為塊型分佈,沒有或略有捏攏現象,耗能能力強; 2 、軸壓比對節點滯回曲線有顯著影響,全部節點都有顯著的剛度退化; 3 、位移與轉角骨架曲線在峰值荷載後有較長的水平或下降段,具有良好的延性性能; 4 、從整體抗震性能上看,翼緣全螺栓連接節點、雙t板連接與加勁端板連接節點都優于常規栓焊節點,可在實際工程中加以推廣。In chapter 5, a new dynamic wake model is developed by employing the rotor free - wake method in chapter 2, and is used to investigate the curve distortion during the conversion of tiltrotor aircraft between helicopter flight conditions and airplane flight conditions
在第二章方法的基礎上,第五章建立一個傾轉旋翼動態尾跡模型,使用該模型對傾轉旋翼機傾轉過渡狀態的尾跡彎曲變形進行了研究,得出了一些結論。Results showed that the ductility of bolt spjice is much better than welds, weaker splice joints develop larger plastic deformation, slipping between faying surfaces, bearing of bolts to hole surfaces and buckling of splicing plates are all ideal energy dissipation mechanism
試驗結果表明:螺栓拼接節點的延性遠好於樑柱焊縫連接;較弱的拼接節點產生較大的塑性變形;接觸面的滑移、螺栓與孔壁的擠壓和翼緣拼接板的屈曲都具有良好的耗能能力。In this paper, the researching and developing situating at home and abroad on aseismic properties of the masonry structures are reviewed. aiming to the defects of the calculated formulas of the aseismatic shear strength of brick walls in the code for seismic design of building ( gb50011 - 2001 ) and the code for design of masonry structures ( gb50003 - 2001 ), through test on brick wall models between the single wall and the wall with flanges, restoring force characteristics, the behavior at failure of the brick masonry wall and the effect of longitudinal wall under cyclic horizontal loading were analyzed the aseismic capacity has increased by 31 % for wall with flanges, the rigidity and deformation of the wall has gone up greatly too. the conclusion that the effect of longitudinal wall should be comprised in the aseismatic formulas was proposed
本文回顧了國內外關于砌體結構抗震性能的研究與發展現狀,針對建築抗震設計規范( gb50011 - 2001 )和砌體結構設計規范( gb50003 - 2001 )中墻體抗震驗算公式中的不足之處,通過單片墻和帶翼緣墻在垂直荷載和水平反復荷載作用下的對比試驗,研究了帶翼緣墻在水平反復荷載作用下的恢復力特性曲線、磚墻破壞特徵以及縱墻的影響等,翼緣墻的存在,主墻抗剪能力可以提高31 ,剛度及變形能力也均有較大提高的結論,墻體驗算公式中應當考慮縱橫墻共同作用的影響。There are not definite code provision of evaluation of effective width about steel box - girder in many countries, especially curved bridge because its evaluation of effective width vary with the radius of the curve
目前許多國家對于鋼結構箱形樑上翼緣有效寬度的取值都沒有明確規定,尤其是曲線梁橋由於其有效寬度的取值受曲線半徑的影響,其結構更趨復雜。Modified surface spreading four - node element in one - step inverse forming simulation and its application in automobile front fender
局部減縮積分曲面展開單元在某汽車翼子板一步成形模擬中的應用This variation of stresses is due to the action of in - plane shear strain in the plate, which is termed “ shear - lag ”. stresses larger than the elementary bending uniform stress thus develop at the web - flange connection. an appropriate reduced “ effective width ” of the plate - with the uniform stress equal to the maximum longitudinal stress - has been widely used by engineers in conjunction with the elementary beam bending theory
但實際上翼緣中剪切變形是不均勻的,由此導致正應力沿橋寬呈曲線分佈,從而引出了有效寬度的概念,即按初等梁理論的公式也能得與真實應力峰值接近相等的那個翼緣折算寬度。The critical crack and stress put forward provides theoretic foundation for monitoring portal machine. 3. applying steady theory of board, studying the problem of early curvature, flexibility model, welding remaining stress, elastic transmutation and brace condition and so on, conclude that structure of beam is primary place where metal structure of portal crane lose stabilization and the break of main beam is result of losing partial stabilization of main board
文章提出的界限應力和臨界裂紋對于港口機械的監測提供了理論依據; 3 、運用板的穩定理論,探索了作為薄壁構件的門機金屬結構在失穩破壞中所涉及到的初曲率問題、彈性模量問題、焊接殘余應力問題、彈塑性變形問題以及支承條件問題等,得出了門機金屬結構發生失穩破壞的主要部位為臂架結構,且主臂架的折斷是由於受壓翼板局部失穩引起整體破壞; 4 、探討了焊接對結構承載的影響。( 4 ) by the value pu of simply supported plate comparing with the pu of rectangular tube, the regulations are found between the interaction for the post buckling plates of rectangular tube and the flange - web width ratio bf / bw, as well as bf / t, bw / t, considering interaction of plates are also obtained
( 4 )本文通過對矩形鋼管考慮和不考慮板組相關影響承載力的比較,得出了屈曲后矩形鋼管板組相關作用與翼緣、腹板寬度比b _ f / b _ w的關系,同時也得出板組相關性與板件寬厚比b _ f / t 、 b _ w / t的關系及規律。Gabled frames are widely used in industry and civil engineering, it ' s web plates " local buckling calculated formula in the technical specification for steel - structure of one - storey light - weight buildings with gabled frames ( cecs102 : 98 ) are based on the rectangular plates " and did n ' t consider the interaction of the fringe plate. so, there are some different between the actual members and the prescript of the specification, and the post - buckling strength ' s calculated formula is based on the local buckling ' s, it must have some unreasonable
楔形門式剛架廣泛地應用於工業與民用建築中, 《門式剛架輕型房屋鋼結構技術規程》 ( cecs102 : 98 )中楔形腹板局部屈曲的計算公式來自矩形板,並且沒有考慮翼緣的相關作用,因此,規程中的規定與構件的實際工作狀況有一定的差異,且屈曲后強度的計算公式也是以局部屈曲系數為基礎的,勢必有其不合理性。On the assumption of ignoring the distortion of thickness, this paper determines the rough shape by the geometric modeling method of equal area developing using mixed mesh cell of triangle and quadrangle for the first time, presents the equal area developing arithmetic of quadrangle - triangle. on the virtual geometric symmetry axis, we puts forward the method of determining the developed coordinate of the point on the base band in the development of using regular quadrangle cell, determines the developed shape of internal structure in plane utilizing point - to - point mapping theory. furthermore, we realize the approximate developing of undeveloped - irregular boundary surface using a few triangle cells
本文結合型號研製中小曲率機翼整體壁板類零件坯料展開課題,基於板料厚向變形忽略不計的先驗假設,首創混合四邊形-三角形網格等面積展開的幾何模擬法確定壁板類零件毛坯外形,給出了混合四邊形-三角形網格等面積展開演算法;提出了虛擬分割線的概念,採用虛擬幾何對稱軸,給出了規整四邊形單元展開基帶上結點的計算方法;採用映射原理和求交演算法確定了壁板內部結構信息的展開定位。The results showed that process parameters varied with time in fermentation was distinct for different agitator and the hydrofoil impeller instead of the disc turbine impeller might significantly reduce power consumption under the same condition
研究結果表明: ( 1 )與傳統的渦輪攪拌槳相比,翼形軸流槳攪拌其發酵過程參數(粘度、溶氧、效價等)隨時間的變化曲線有明顯的差異; ( 2 )在相同的生產條件下,用冀形軸流槳代替渦輪槳可有效提高生產效率。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,對指定斷面,不同曲率的曲箱梁,建立完備的有限元模型,分別對二個方面的問題進行了分析:其一,通過對箱梁在有無跨中橫隔板時截面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,分析對箱梁翼緣及腹板的受力影響。In the examples we get some evolution curves, such as the growth rates and shape functions, which are used to analyze the stability problems for the boundary layers of the fuselage and the wing
算例給出了擾動幅值增長和形狀函數等演化曲線,並對機翼、機身的邊界層穩定性進行了分析和研究。This thesis is a fem analysis of opening process of the folded horizontal tail wing of some aircraft, and the work includes modeling the detailed mechanic assembly of the tail wing, and computing its elastic dynamic process by large - scale fem software system, ansys and ls - dyna3d, as well with the postprocessor tool - lspost to take the computational results into visualization
本文運用大型有限元cae軟體ansys和ls - dyna3d對某具體飛行器水平折疊尾翼的機構運動進行了細致的有限元建模和動力學計算分析,運用lspost對計算結果進行了詳細的后處理,運用可視化技術對數值分析結果進行了圖形及曲線描述。分享友人