頂點變形 的英文怎麼說
中文拼音 [dǐngdiǎnbiànxíng]
頂點變形
英文
vertex deformation-
Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account
依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型，對中國古代木結構中的典型構造如：柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化分析和實驗研究： （一）通過木柱石礎靜摩擦試驗，測定了柱腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結構荷載變化的規律； （二）通過單柱承載力試驗，測定了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模量、極限承載力、極限變形等參量； （三）通過柱架低周反復荷載試驗，測定了柱架的抗側移剛度、柱架恢復力特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載力和極限變形、及榫卯減振參數； （四）通過斗?低周反復荷載試驗和受壓試驗，測定了古建築木構件與木構件間摩擦系數，斗?抗側移剛度，斗?恢復力特性及滯回曲線，斗?抗壓極限承載力及受力變形規律； （五）通過抬梁式殿堂間架模型振動臺試驗，測定了殿堂木構架結構自振周期，地震反應振形、阻尼特性及阻尼比；按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量，對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定量分析。The shear mechanism, failure mode, deformation capacity, bearing capacity and the reliability of the anchored angle steels of the wrapped steel concrete cast - in - site frame typical story exterior joints under the middle and high axial compression ratio ( n = 0. 3, 0. 5, 0. 6 ), the working performance, failure mode, and the shear capacity of top story joints under the crack moment, the hysteresis characteristic and the dissipation energy capacity of the test joints are all analysed based on the 1 / 4 model pseudo - static tests of five specimens of wrapped steel concrete cast - in - site frame exterior joints, which varied in axial compression ratio, distribution of the beam angle steels and the stirrup ratio
基於上述分析，本次試驗通過五個外包鋼混凝土邊節點1 4比例模型的偽靜力試驗，以柱的軸壓比、梁角鋼布置形式、配箍率等為主要參數，分析外包鋼混凝土現澆框架一般層邊節點在中高軸壓比（ n = 0 . 3 、 0 . 5 、 0 . 6 ）條件下，節點的抗剪機理、破壞模式、變形能力、承載能力和角鋼錨固的可靠性；分析了頂層邊節點在張開彎矩作用下的工作性能、破壞模式和抗剪承載力；分析了試驗節點的滯回性能和耗能能力。All the results can be utilized by engineers, during the designing and construction. the main conclusions are listed as follows : ( 1 ) based on the shortest line between weak interbed and limit of excavation and the location of point of intersection between limit of excavation, classification of weak interbed distribution is set up, and the distance of distribution is defined ; ( 2 ) according to the strength and deformation equivalent principle, influence zone of weak interbed is introduced, and a new method to simulating the weak interbed with thickness is built ; ( 3 ) some quantificational results on influence of weak interbed respectively at crown, right shoulder and right wall are summarized ; ( 4 ) some quantificational results on influence of weak interbed with the distance between weak interbed and limit of excavation 0. 2d, 0. 5d, l. od are gained ; ( 5 ) some quantificational results on influence of weak interbed in the rock mass with confining coefficient 0. 38, 1. 0, 1. 5, 2. 0, 3. 0 are summed up ; ( 6 ) some quantificational results are summarized on influence of the underground surrounding rock mass stability with weak interbed, in the representational surrounding rock mass graded ii, iii, iv ; ( 7 ) according to the studying results some advices are suggested on designing of underground engineering
主要結論如下： （ 1 ）以軟弱夾層到開挖輪廓線最短距離和最短距離線與開挖輪廓線的交點位置為指標對軟弱夾層的分佈部進行了分類，並確定了軟弱夾層分佈距離； （ 2 ）根據強度等效和變形等效的原則，引入了軟弱夾層影響帶的概念，建立了模擬軟弱夾層厚度的一種新方法； （ 3 ）總結出了軟弱夾層分佈在拱頂、右拱肩、右邊墻時對地下洞室穩定性影響的量化指標； （ 4 ）分析出了軟弱夾層距開挖輪廓線0 . 2d 、 0 . 5d 、 1 . 0d三種情況對地下洞室穩定性影響的量化指標； （ 5 ）總結出了在不同的側壓力系數（ 0 . 38 、 1 . 0 、 1 . 5 、 2 . 0 、 3 . 0 ）地應力場中軟弱夾層對穩定性影響的量化指標； （ 6 ）得出了在、 、代表性圍巖中軟弱夾層對穩定性影響量化結果； （ 7 ）根據數值試驗成果提出了在有軟弱夾層圍巖中地下洞室設計原則的幾點新內容。Following the characteristics of medical image segmentation, this paper proposed a new spline geometric deformable model ( sgdm ), which can be presented as a set of ordered vertices connected by edges
摘要根據醫學圖像分割的特點，建立了一種樣條幾何形變模型，它表示為一個有序的用邊線連接的頂點集合。In order to solve this problem, we present a new method in this paper through using the bezier curve as the axial deformation control curve to generate variety trunks and branches
在生成樹的過程中，利用bezier曲線作為頂點控制曲線，採用軸變形方法生成形態各異、效果逼真的樹乾和分枝。Moving control convex will change the shape of nurbs curve, while altering the weight factor will also vary the shape of nurbs
移動控制頂點可以改變曲線的形狀，而改變權因子也會影響曲線的形狀。The great modification of shape of nurbs curve can be got by moving the control convex adaptably, while the less diversification is made when the weight factor changed
移動控制頂點適合於對形狀作較大的修改，而改變權因子適合於對形狀作微調。In accordance with the occurrence behavior of roof strata and the fracture characteristics of key stratum in shallow seam longwall mining, studied post - buckling behavior of roof key stratum in the process of mining by using initial post - buckling theory, which derived a critical load and a breaking span of the main roof during the first weighting, determined the final subsidence and the maximum rotation angle for broken key stratum, and presented an application with the example of daliuta 1203 face
摘要根據淺埋煤層頂板巖層的賦存特點和長壁開采時關鍵層的變形破斷特徵，應用初始后屈曲理論探討了開采過程中頂板關鍵層的后屈曲性態，得出了老頂初次來壓時頂板的臨界載荷和破斷步距，確定了頂板破斷后的極限下沉量和回轉角，並以神東礦區大柳塔1203工作面為例給出了工程實例。Through inversion analyzing the results of inspection and observation which was applied the multipoint displacement measures and the drilling anchor stress measures to the top surface in the xianggui gypsummine eastern workings, this article will attempt to propose the deformation law of stope terrane after the underwater mine area, which provided a reliable basis for taking measures to control the strata movement
摘要為了研究湘桂石膏礦的巖體變形規律，對該礦東采區頂板巖孔多點位移計觀測和鉆孔錨桿應力計檢測的結果進行綜合反演分析，提出了水下礦區開挖后采場巖層的變形規律，為採取有效措施控制巖層移動提供了依據。( 三 ) under the dynamic load of the explosion, the numeric analysis has been done and achieve the rule as follow : ( 1 ) when the frequency of vibration is 0. 3hz, the acceleration of the slopes top gets the maximum ; so 0. 3hz is believed the natural frequency of the slope as a whole ; ( 2 ) the vibration of explosion can been magnified because of the condition of the landform, when the relative altitude is up to 45m, the acceleration of horizon gets the maximum ; when the relative altitude is up to 100m, the absolute value of acceleration and the deformation of horizon is larger than that in the bottom of the slope ; ( 3 ) in the period of forced vibration, at the top of the slope, the acceleration of horizon become larger and larger ; at the middle part of the slope, it becomes smaller ; ( 4 ) when the explosion velocity of is much little, the shallow part destruction is the primary deformation of the slope
（三）採用模態疊加法針對爆破動力作用，進行邊坡的動力響應分析，得出了以下結論： （ 1 ）振動頻率為0 . 3hz時，坡面頂部水平向加速度峰值最大；綜合考慮，可認為該邊坡的自振頻率為0 . 3hz左右； （ 2 ）地形對爆破地振動存在放大作用，研究剖面的坡面，水平向加速度及位移在地形相對高差45米左右最大，而後隨相對高差的增高而減小，相對高差為100米時，水平向位移及加速度絕對值均大於坡腳； （ 3 ）強迫振動段，水平向加速度值隨時間變化的規律為：坡頂節點總的變化趨勢是越來越大，而坡體中部節點的變化趨勢是越來越小； （ 4 ）當爆破振速較小時，變形破壞的形式表現為坡頂表面滑塌型。The polygon morphing was investigated, and a morphing method was proposed, in which the polygon is deformed by interpolating the rotation angles and rotation matrices of their corresponding edge vectors
摘要研究平面多邊形的變形問題，提出了一種通過插值邊向量間旋轉角度及旋轉矩陣的變形方法，較好地克服了頂點線性插值法引起的多邊形邊長變化不均勻的萎縮現象。Furthermore, by using the database with increased quantity and details need to handle the datasets which do not fit in ram ( out - of - core datasets ). meanwhile, advances in shading and image quality in general have raised the bar for image quality we would like to achieve in terrain rendering a in this thesis, we propose an efficient hardware - friendly framework - chunked lod, for large - scale terrain real - time rendering. within this framework, the approach for integrating multi - resolution representations of terrain geometry and terrain texture data is presented
變換和光照（ transform & lighting ） 、立方環境材質貼圖（ cubicenvironmentmaps ） 、頂點混合（ vertexblending ） 、紋理壓縮（ texturecompression ）和凹凸映射貼圖（ bumpmapping ） 、雙重紋理（ dualtexture ）四像素256位渲染等均可以在gpu中完成，大大減輕了cpu的壓力，對實時圖形渲染產生了深遠的影響，這其中包括實時地形渲染。The emphasis is given on the studying of the horizontal displacement on the retaining structure consist of piles and anchors, which is a frequent type of retaining structure. it is founded that the rigidity of anchors and magnitude of pre - stress are the main factors which influence the deformation of retaining structures. the optimal design method on pile - anchor systems is presented
樁錨支護是一種常見的基坑支護模式，本文以樁錨支護結構水平位移為重點，對支護結構剛度、支撐剛度與預應力、支護樁入土深度等對樁頂水平位移的影響進行了分析，指出在樁錨支護體系中，錨桿支撐剛度及預應力對基坑變形的影響最為明顯，並通過工程實例加以驗證。Vertex shader is that part of the graphics pipeline which gives the user the power to do his own custom transformation and lighting without sacrificing any speed
頂點著色是圖形管道的一個部分，其提供給程序員在不損失任何速度性能的情況下，自定義變換與光照處理。The mechanic character, destroying pattern, the ductile and dissipation energy capacity of this composite structure under the earthquake have been clarified. the stiffness degradation, natural frequency, damping ratio of this structural system with the development of intensity of earthquake have also been investigated. with consideration of the top displacement, drift of story and micro - strain of longitude steel bars, the equivalent shell wall method has been presented in order to simplify the design of such type structure
通過試驗，掌握了該結構體系在水平地震荷載作用下的受力特點、變形與耗能性能、結構的破壞形態等力學指標：得到了結構在不同地震烈度條件下的剛度變化、自振頻率、阻尼比等動力特性；綜合結構的頂點位移、層間轉角以及鋼筋的微應變，提出了適合於該結構體系簡化設計的「等效剪力墻法」 。In contrast with the method of gotsman and surazhsky, this method considers the geometric contours as well as the differences of the source and target polygons, so the morph is more natural. on the other hand, the algorithm in the method for compatible triangulation reduces the number of steiner vertices greatly
與gotsman和surazhsky的方法相比，本文方法考慮了初末多邊形的幾何輪廓及其差異性，故變形更加自然，同時本文的同構剖分演算法大大減少了額外頂點的數目。The ordered vertices form its vertex model, and its ordered edges form the edge model, both are integrated together by the continuities of the deformable model
其有序的頂點集合組成頂點模型，有序的邊線集合組成邊線模型，兩者通過形變模型的二階連續性緊密地結合在一起。In this paper, three - tower building with name of oriental tunes square in xiamen is analyzed by the international current program sap2000, considering seismic action in two directions. by structural modeling and calculation, the characteristic of vibration of the multi - tower structure is analyzed, the influences of the rigid ratio of the enlarged base to top tower and translation - torsion coupled effects among several towers are investigated, the inter - story displacement, displacement of the top tower and deformation of tower ' s base floor in x and y major orientation under earthquake action are contrasted with those under wind load. at last, the distributing characteristics of stress of transfer plate and of the normal, shearing stress of mostly vertical elements under earthquake action are studied
本文以具有3個塔樓的廈門東方時代廣場為分析對象，採用國際通用有限元分析軟體sap2000進行結構建模和分析，考慮雙向地震動輸入，研究結構的振動特性，分析底盤與塔樓剛度比對結構的影響以及多塔之間的扭轉效應和平扭耦聯作用，對比風荷載和地震作用下塔樓在兩個結構主軸方向的層間位移、頂點位移以及塔樓底層的變形，分析地震作用下轉換層樓板的應力分佈特點及主要豎向構件的正應力和剪應力分佈特點。Simplicity presupposes digestion and also maturity ； as we grow older, our thoughts become clearer, insignificant and perhaps false aspects of a question are lopped off and cease to disturb us, ideas take on more definite shapes and long trains of thought gradually shape themselves into a convenient formula which suggests itself to us one fine morning, and we arrive at that true luminosity of knowledge which is called wisdom
簡樸預示著領悟和成熟；隨著我們漸漸變得年長，我們的思想會變得更清晰，一個問題的無關緊要和可能錯誤的方面會被剔出而停止煩擾我們，觀念呈現出更明確的形式，一連串的思想逐漸精煉成一個簡明的形式，在一個晴朗的早晨浮現在我們腦海里，於是我們到達了那個真正的知識的頂點，即智慧。Aiming at the characteristic of the distortion of the extremely hard maintained roadway, the numerical analysises were made on surrounding rock stress and displacement in roadway with flac program
摘要針對極難維護放頂煤回採巷道的變形特點，依據flac程序對不同支架形式的巷道圍巖應力場和位移場進行了數值模擬。分享友人