角形截面 的英文怎麼說
中文拼音 [jiǎoxíngjiémiàn]
角形截面
英文
angle section-
In performing ecap, a material is subjected to intense plastic straining by pressing a sample repeatedly through a die containing two channels, with equal cross - sections, intersecting at an angle. equal channel angular processing of the medium carbon steel ( 0. 45 wt. %
Ecap變形是使試樣通過橫截面相等並成一定交角的兩通道的模具中而產生強烈的塑性變形的一種變形方法。最近人們運用ecap變形方法成功地使低碳鋼及珠光體鋼組織超細化,關于這方面的研究已引起了人們的廣泛關注。Frame columns inset the filler - wall, avoided the influence that the comer of the room columns outstanding to indoorses view and take up the using space. at the same time, this structure has some advantages as the frame structure, such as arranging neatly, comparting easily etc., deeply welcoming by inhabitant and real estates company, is a building structure system that have the vast development foreground and satisfying the request of green building ". current, the reinforced concrete special - shaped columns structu re system lacks the actual measuring data of earthquake damage and the comprehensive aseismic performance of structure system, the structure system not yet is included in the national code, needing the thorough research
鋼筋混凝土異型柱結構體系,採用t形、 l形、十形截面柱代替傳統的矩形截面柱,以輕質材料製作的框架填充墻代替自重較大的粘土磚填充墻;框架柱隱于墻內,避免了屋角柱楞突出對室內觀瞻及佔用空間的影響,同時,又具有框架結構布置靈活、易於分隔的優點,深受住戶及房地產開發商的歡迎,是一種滿足「綠色建築」要求並具有廣闊發展前景的建築結構體系。Fluid noise mainly comes from out put pulsation of rate of flow, the main reason of out put pulsation of rate of flow is the instant high pressure return flow that obturation cubage produced when the big round curve pressure transition. the v trough on the port plate can reduce the fluid noise. in this paper, the author based on the acting of dam a river and condensability of liquid and used matlab language as tool to calculate the v trough on the original port plate and drew out the p - t diagrammatic curve and analyzed its shortcoming and improved the design of original v trough and got that the best size of its angle was 12. 3 and its length was 5mm and the cross section was an equilateral triangle
流體噪聲主要來源於輸出流量脈動,造成輸出流量脈動的主要原因是閉死容積在大圓弧段壓力切換時產生的瞬時高壓迴流,在配流盤上開設v型尖槽可降低因高壓迴流而引起的流體噪聲,本文以截流作用和液體的可壓縮性為理論依據,以matlab語言為工具,對原配流盤上的v型尖槽進行了理論計算,繪制出p - t圖線,分析了它的不足,並對原有v型尖槽進行了優化設計,得出了v型尖槽的最佳幾何尺寸:配流盤平面上的v型尖槽的兩邊的夾角為12 . 3 ,槽長5mm ,槽的橫截面為等邊三角形。Rectification and topology base on stl model is researched, too. the contour information is obtained by using slice technology ; the delaunay triangular meshes are generated by using delaunay triangulation algorithm and conglutinate precision of divided models is insured by using precise orientation technique. in addition, triangle scan is accomplished based on delaunay triangulation algorithm
採用切片技術獲得了截面輪廓,用delaunay三角網格劃分演算法將截面輪廓網格化,用精確定位技術保證了模型粘接的精度;在delaunay三角網格劃分的基礎上,實現了快速原型的三角形掃描。From the model study of the fractal random rough surface, we acquire one dimensional ? two dimensional fractal random rough surface model with fractal theory ; 2. the calculation of the scattering field of light ; the establishment of the scattering light ’ intensity model, and the number calculation of the intensity distribute ; 3. the study on the laser radar cross section of one - dimensional fractal rough surface target ; and the number calculation of the scattering intensity of two - dimensional fractal the rough surface target ; 4. through shadowing effect, we analysis light scattering characteristic of fractal rough surface
本論文利用分形理論得到一維?二維分形隨機粗糙表面模型,研究光在一維?二維分形粗糙表面的光散射特性,主要從以下四個方面分析: 1 .自仿射分形隨機粗糙表面模型探討,採用分形理論得到一維?二維分形隨機粗糙表面模型; 2 .分形粗糙表面散射光場的計算和粗糙表面散射光強角分佈的模型建立和數值計算; 3 .一維分形粗糙表面目標的激光雷達後向散射截面lrcs研究和二維分形粗糙表面目標散射強度數值計算; 4 .引入遮蔽效應分析分形粗糙表面光散射特性。On the basis of experimental research, this thesis applies 2 - dimensional non - linear finite element method to the analysis of transient temperature field on the section by means of relatively high precision triangular element of six joints. when the temperature field is analyzed, finite element reseaus are divided in space field and finite difference reseaus are divided in time field, and then the program is compiled. the computing results are in good agreement with the test data
在試驗研究的基礎上,本文採用精度較高的三角形六結點單元對構件截面二維非線性瞬態溫度場進行了有限元分析,即在空間域內採用有限元網格劃分,在時間域內採用有限差分網格劃分,據此編制了計算程序,計算結果與試驗數據符合較好,程序穩定性好,精度滿足要求。2 the effects of load angle on load - bearing capacity of l, t and + - shaped columns under axial compression and biaxial bending are discussed. as for l and t - shaped columns, load angle has a great effect on bending capacity of them, mainly because of the asymmetry of sections. but for + - shaped columns, the effect of load angle on load - baring capacity is not much significant
2討論了荷載角對l 、 t和十形柱受彎承載力的影響,表明l 、 t形柱由於截面不對稱,縱筋分佈不對稱,造成某一荷載角下承載力較大,而另一荷載角下承載力又很低。3. a space bond slip relation of reinforcements in either end of a member is proposed, based on one - dimensional bond slip model of reinforcements proposed by teng zhiniirmg from tsinghua university, the first - time loaded ascending stage ? curve of which model is modified as the line which parameters are not changed so as to simply the computation. the bond, slip is regarded as the boundary nonlinearity of a member
3 、採用清華大學滕智明建議的一維鋼筋粘結滑移恢復力模型,但從簡化計算的角度出發,將首次加載的上升段曲線改為直線,並假定構件端部的諸多縱向鋼筋的滑移服從平截面假定,考慮由節點錨固區粘結滑移引起的構件端截面軸向和兩轉角附加變形。Flight stability characteristic for triangle cross - sectional projectile
三角形截面彈芯的飛行穩定特性Agricultural machinery. endless hexagonal belts and groove sections of corresponding pulleys
農業機械.環形六角皮帶和皮帶輪槽形截面Thus, the conclusion is drawn : when the diffusion coefficient of cf is invariable and the diffusion time is under a certain range, the beginning corrosion time of the steel in the corner of the rectangular section is independent of the size of rectangular section ; ( 4 ) through the numerical value calculation of rectangular section, the law is found of the influence on modifying coefficient of rectangular section of the thickness of protection layer of concrete and diameter of the steel and the thickness of cf on the surface of concrete, based on which practical calculating method of beginning corrosion time of the steel in the corner of rectangular section is set up
從而得到結論:在氯離子擴散系數一定的情況下,在一定時間范圍內,矩形截面邊角區域鋼筋的初始銹蝕時間不依賴于矩形截面的截面尺寸; ( 4 )通過矩形截面邊角區域鋼筋初始銹蝕時間的計算,分析了保護層厚度、鋼筋直徑、混凝土表面氯離子濃度對修正系數的影響,並在此基礎上建立了氯離子侵蝕下矩形截面邊角區域鋼筋初始銹蝕時間的實用計算方法。Many factors regarding the modifying coefficients of circular and rectangular section are analyzed : ( 1 ) it is theoretically proved that the diffusion coefficient of cl - in concrete is dependent of modifying coefficients ; ( 2 ) through analysis of the results of numerical value calculation, it is discovered that the relation between the modifying coefficients and the thickness of protection layer of concrete is linear, from which the function expression of these two variables is gain ; at the same time, the influence on modifying coefficient of the radius of circular section and the thickness of cl - on the surface of concrete ; based on these, practical calculating method of beginning corrosion time of steel of circular section is set up ; ( 3 ) to rectangular section, the diffusion of cf in concrete is two - dimension diffusion
討論了影響矩形截面以及圓形截面修正系數的因素: ( 1 )從理論上證明了氯離子在混凝土中的擴散系數與修正系數無關; ( 2 )通過圓形截面數值計算結果的分析,發現圓形截面修正系數與保護層厚度基本成線性關系,並建立了二者之間的聯系;分析了圓形截面半徑、混凝土表面氯離子濃度對修正系數的影響,從而建立了圓形截面鋼筋初始銹蝕時間的實用計算方法; ( 3 )在矩形截面氯離子侵蝕下,混凝土處於二維擴散狀態。本文通過計算分析,證明二維擴散的影響區域從邊角開始向中間逐步擴散,並證明了二維擴散影響區域依賴于氯離子擴散系數與氯離子擴散時間的乘積。Abstract : this paper briefly introduces the method of the hot correction for large size box beam including the principle and procedure of the correction, the selection of the allocated weight and the drawing method of the burning triangle, etc
文摘:本文簡要介紹了大尺寸箱形截面梁熱校正的方法,包括校正原則及步驟,配重物重量的選擇,烘烤三角形的畫法。After the comparison of the stability checking computations and the section categorised situation both at home and abroad the current standard, some problems was discussed in the standard of our country. contraposed these questions, the paper computed the space stability coefficient of some general t - shaped and l - shaped sections and all the sections of t - shaped, l - shaped and 2 - angle iron t - shaped in the formed - steel - table, and worked out the curves. according to the comparison of the curves the paper got and the curve in the standard, some simple conclusions was put
對國內外現行規范軸壓柱穩定驗算方法及柱子曲線截面分類情況進行了對比,討論了我國規范曲線中存在的一些問題,並針對這些問題,以規范初始彎曲值對任意「 t 」形和「 l 」形截面和型鋼表中所有t型鋼、 l型鋼、雙角鋼t形鋼截面的空間穩定系數進行了計算,作出其與規范曲線的比較圖,通過計算結果的分析對各類截面歸類情況作了簡單的評述,其中提出的一些建議可以作為規范修訂的參考依據;同時,這些計算結果也進一步證明了本文的柱子空間穩定分析方法的正確性。Firstly, with uniaxial symmetrical rectangle cross section, the warping displacement function and tangential displacement function under anti - symmetrical load are supposed. then taking shear deformation into account and with potential principle, the governing differential equation for distortion angle subjected to uniformly distributed distortion load is established
首先,以單軸對稱矩形截面薄壁桿件為研究對象,假設其在反對稱荷載作用下翹曲位移和切向位移的分佈函數,考慮剪切變形的影響,利用最小勢能原理建立單位均布畸變荷載作用下的畸變角微分方程。Sensing waveguides with non - rectangular cross - section are transformed to rectangular ones by means of conformal mapping
摘要用保角變換將非矩形截面傳感波導變換成等效矩形截面波導。Insulating materials - industrial, rigid, moulded, laminated tubes and rods of rectangular and hexagonal cross - section based on thermosetting resins for electrical purposes - definitions, designations and general requirements
絕緣材料.基於熱固樹脂材料的矩形和六角形截面的工業用剛性模塑的疊層管材和棒材.定義符號和名及一般要求In present dissertation, firstly an analytical study on the force and deformation of an er single chain under poiseuille flow is presented from the point of microscopic view. an approximate solution of the poiseuille flow in a tube with rectangular cross is derived from galerkin approach. the balance equation of moment for the er chain is established to avoid using point - dipole model, which is not accurate enough in the case that dielectric particles are adjacent to each other
本文首先從微觀的角度,分析電流變鏈在poiseuille流動中的受力以及變形,分析過程中推導了矩形截面管內poiseuille流動速度分佈的galerkin近似解,並採用理論力學軟索模型對電流變變鏈的受力進行分析,從而避免了點偶極子近似在粒子相距較近情況下引起的誤差。Numerical simulation of internal high pressure forming of the right - angle bent - tube with rectangular section
矩形截面直角彎管內高壓成形過程的數值模擬While loading rectangular - section overhanging beam with one - side fillet, usually there is stress concentration problem occurred at the fillet position of part
摘要一側帶有圓角過渡的矩形截面懸臂梁受力時,圓角處存在應力集中現象。分享友人