橫截面分佈 的英文怎麼說
中文拼音 [héngjiémiànfēnbù]
橫截面分佈
英文
cross-section area distribution-
The cyclo - hoop effect which steel tubular has exert to the concrete shows the character of heterogeneous in the arch rib section, the same to the axial direction. the paper verifies the change of the material poisson ration and the concrete grade will make the cyclo - hoop effect obvious alteration, the change of the cyclo - hoop effect and the stress redistribution of the section produced by the shrinking and creeping of the concrete and the expensive concrete on the section
在鋼管混凝土拱肋斷面上,鋼管對內填混凝土的環箍效應具有非均勻性,在拱軸方向上環箍效應也呈現非均勻性。驗證了材料的橫向變形系數、混凝土標號等參數的變化將引起環箍效應的明顯改變;混凝土的收縮、徐變和膨脹混凝土的應用導致鋼管混凝土的環箍效應發生變化並使截面的應力發生重分佈;並總結了其變化的基本規律。2 ) the structure elements should be laid out symmetrically and uniformly when designing steeve - arch structure, what ' s more, the reasonable selection of section geometric size near the arch foots of first beams is paid attention to and the arrangement difficulties of steel bar due to the big eccentric pressures 2, the analyses of anti - seismic features on transverse direction of the aqueduct l ) the method of adjusting the elements " mass can be harnessed in order to even the layout of seismic loads
2 )設計吊桿式拱架支承結構時,各部分構件應當均勻對稱布置。另外,還應注意頭道梁拱腳附近截面的尺寸擬定,克服地震內力造成的大偏心受壓狀態給結構配筋設計增加的困難。 2 、橫槽向抗震性能分析1 )可利用調整構件質量的方法,使得結構的某些構件的地震荷載分佈均勻一些。In the experiment, we use the he - ne laser and the semiconductor laser as the source, record the bessel beam patterns behind the axicon by using a digital camera and a microscope, measure the radius of the bessel beam central spot by film - scanning and measure the effect of both the radius of the aperture and the open angle of the axicon on the maximum non - diffraction distance. the experiments show that a specific propagating range has constant power and the beam has a bessel - like distribution in this range. the results agree with the beam corresponding to a diffraction free beam
同時我們還採用膠片掃描的方法測量了無衍射光束的中心光斑尺寸,測量了不同光闌孔徑和不同稜角情況下的最大無衍射距離和傳播軸附近橫截面內微小光孔中的光強,實驗結果顯示當激光光束經過軸棱錐轉換後有一段距離功率變化很小,且分佈近似貝塞爾分佈,符合無衍射光束的特性;經過聚焦后,呈現三維分佈中空的光束bottlebeam ,實驗結果與理論分析基本吻合。The load transverse distribution coefficient of test is in coincidence with the calculating hypothesis. prestress is linear distribution along the section height. the deformation of the section is according with the plane hypothesis
通過對試驗結果與有限元計算結果的對比分析,得出結論如下: 1 、本文所測試的荷載橫向分佈系數符合計算假定;預應力沿截面高度分佈具有較好的線性關系,截面變形符合平面假設。The contents include : based on the previous research and the data of experimentations, the author researches and develops a kind of satisfactory semi - empirical formula of nonlinear temperature distribution, and calculates the temperature stress of rigid - framed arch bridge by the fem. the temperature effects of bridge structure by annual and sunlight temperature difference are discussed, it indicates that the temperature effect of annual temperature difference is small but the temperature effect of sunlight temperature difference is great and the temperature stress along beam depth resulted from sunlight temperature difference is nonlinear. with the comparison between the temperature effects of different position of bridge, the results show that where the section of bridge is small, the temperature stress of it is large
本文主要包括以下內容:從理論上研究並結合實測資料發展了一種比較理想的半經驗溫度場非線性分佈公式,並將有限元方法應用於剛架拱橋結構溫度應力的計算中,對橋梁結構進行整體溫度應力分析;討論了年溫差和日照溫差引起的橋梁結構的溫度效應,表明年溫差引起的溫度效應較小,而日照溫差引起的溫度應力較大且沿梁高呈非線性分佈;分析比較了橋梁結構各個部位的溫度效應的大小,可知截面越小溫度拉應力越大,受力越不利;並對箱梁結構由於構造不同引起的縱向與橫向的溫度效應大小進行了探討,發現在頂板下緣也會出現相當大的溫度拉應力,並且梗腋的存在反而增加了頂板底部的溫度拉應力;還對幾種相近的剛構式橋型的溫度效應進行了分析對比,總結了這些橋型針對溫度效應的優劣,並提出相應的針對性措施。( 2 ) respectively by elastic theory analyses and methods of structural mechanics, transverse static analytical equations for flexible pipeline rigid pipeline are established whose outcomes are applied in numerical example to compare those with that by finite element method. ( 3 ) considering interaction of filled soil, pipeline and foundation, with an eye to non - linear soil model, in view of the initial geo - stress field and the effects of interface between soil and pipeline, and by finite element method the calculational model and method are built for transverse stress in pipeline. then, by the great finite element analytical software ansys, those outcomes are applied in calculation example of positive buried pipe to educe the distribution of circumjacent soil pressure and stresses on cross section and to compare it with that calculated by conventional ways before those outcomes are applied in engineering case of positive buried pipe with flexible filled materials to confirm distribution of soil pressures after the measure for reduction and to compare it with measurements. as a result, the model set up in this paper is proved to be applicable after all above - mentioned analyses
本文基於彈性理論和有限元原理與方法,分析了上埋式地下管道橫向力學計算方法和性狀並探討了上埋式地下管道的減荷等問題: ( 1 )在分析現有幾種典型的管道垂直土壓力計算方法的基礎上,探討了影響垂直土壓力的主要因素以及改進的方法; ( 2 )分別通過彈性理論分析法和結構力學的方法,建立了地下管道柔性圓環和剛性管涵的橫向靜力計算方程,並應用在算例中,把所得結果和有限元方法所得結果進行對比分析; ( 3 )考慮填土、管道和基礎的共同作用、土體的非線性特性、初始應力場以及土體和管道的接觸面因素的影響,利用有限元的思路,建立了地下管道橫向力學有限元計算模型和方法,並且採用大型有限元分析軟體ansys ,針對上埋式管道工程算例,得出了管周土壓力以及管道橫截面應力的分佈狀況和規律,並和理論值進行對比;針對施加柔性填料的上埋式管道工程實例,得出了減荷后的土壓力分佈,並和實測值進行了對比。The properties of nd : glass rod lasers in the heat capacity operation, including the temperature and stress distributions, are simulated and compared with the conventional pumping and cooling scheme
摘要對釹玻璃棒狀激光器在熱容型的運行方式下的特性,包括溫度和應力分佈作了分析,並和常規抽運和冷卻方式下棒橫截面的溫度和應力分佈作了比較。In allusion to section modality and transverse joint of common span bridges, we choose two kinds of calculating theories in transverse distributing calculate process : the theory of rigidity crossbeam and the theory of hinged girder and slab. making the use of the theory of optimized design, i constitute mathematics model and choose appropriate calculated method. and find the form and detail dimension of section when beams of the bridge satisfy bending moment ^ shearing force and torsional moment
在用橫向分佈理論計算單梁扭矩過程中,針對現有常用跨徑橋梁的截面形式和橫向連接狀況,選取了兩種計算理論:剛性橫梁法和鉸接梁(板)法,利用結構優化設計原理,建立主梁承載力的數學模型,選擇合適的優化計算方法,得出在滿足彎剪扭承載力要求時主梁的細部尺寸。Based on the previous theory, the fdtd method is used to analyze practical antennas, which include dipole antenna, microstrip antenna, log - periodic antenna and broadband resistance loaded monopoles. the particular problems that occur in the calculating of vary type antennas are discussed. the cross - section field of microstrip line and two - conductor line are analyzed, and the effect on the numerical result arising from the incident cross - section mesh size is discussed
在前面理論的基礎上,將fdtd用於振子天線、微帶天線、對數周期天線、電阻加載振子天線等各種天線的計算中,對各種不同類型天線計算中所遇到的特殊問題進行了詳細的討論,並分析各種開放場傳輸線如微帶線、平行雙線等橫向場分佈,討論了入射網格橫向截斷區域的大小對計算結果的影響。In the scope of linear elastic theory, the consistent of the fundamental assumption between the theory of thin - walled beams and solid beams is analyzed and defined from the viewpoint of the thin plate theory. the drawback of volassov thin - walled beams theory is studied on the ground of the traverse distribution of loads on the thin plate. and, the fundamental assumption of generalized beam theory ( gbt ) is surveyed
本文在線彈性的范圍內從薄板彎曲理論出發,討論了薄壁桿件理論與實體梁理論在基本假定上的一致性,並從薄板荷載橫向分佈形式的角度分析了符拉索夫薄壁構件理論的局限性,對考慮截面畸變的梁理論? ?廣義梁理論( gbt )的基本假定進行了探討。The analyzed and contrasted results of the distribution of the surface pressure distributions and the sectional side forces with the former results of the slender body in the same flow conditions show that the shm ' s control effect to the slender body is due to that the two asymmetric vortices over the slender body model are sensitive to the nose perturbations
通過對物面壓力分佈、截面側向力分佈和以前細長旋成體結果的對比和分析,發現單孔位微吹氣擾動對于細長旋成體橫側向控製作用在於模型頭部背風側非對稱二渦結構對擾動的敏感性。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。Planation surface is a wide - ranging and undulating surface formed by planation in a long and relative stable period or in a decreacing - development period. it is near the base level and there always exists some deposits such as crust of weathering above it. planation surface is often uplifted or buried by the later tectonic activities
夷平面是在長期的地殼相對穩定時期或地殼下降發展階段,由廣泛的夷平作用以截斷面形式橫切所有先成的地層和構造的接近侵蝕基準面的平緩的地表形態,其上常有風化殼等碎屑堆積,常遭到後期的抬升切割或埋藏,分佈於地球的各緯度帶。With the favor of these techniques, the static pressure distribution along the length and the velocity profile at the mini - channel exit were obtained. with the data of more than 500 flow states based on 13 kinds of mini straight rectangular channels that their heights were 0. 5mm and 1. 0mm, the effects of characteristic scale, surface roughness and the aspect ratio of rectangular on the characteristics of flow resistance of mini straight channels were studied
採用在沿程測量氣流靜壓分佈、在出口測量速度分佈的方法,對高度0 . 5mm和1 . 0mm的13個微小直矩形通道的500多個狀態流場進行了測量,研究了特徵尺度、表面粗糙度、橫截面寬高比等因素對微小等直通道流動阻力特性的影響。The results of the axial and transversal intensity distributions of gaussian beams and 0 - order bessel - gaussian beams show that the results by the optimized laguerre - gaussian truncated series are in good agreement with those by the fresnel diffraction integral method if the integration plane is not close to the aperture
對高斯光束和零階貝塞爾高斯光束的軸向和橫向光強分佈的計算結果表明:當積分面不是很靠近光闌時,用參數最佳化選取的拉蓋爾高斯截斷級數法與用直接數值積分所得結果符合很好。Both the effect of substrate deformation and the state of large deflection of the microbridge are involved in the theoretical expression. furthermore, the distribution of axial stress in the micro bridge is discussed in detail by taking different shapes of cross section into consideration. and a shape factor is introduced into the expression, which simplifies the theoretical expression
理論上對薄膜微橋法的公式進行了進一步的化簡,在考慮襯底變形貢獻和大撓度的基礎上,進一步探討了微機械加工過程中不同橫截面形狀的情形;並對矩形和梯形截面微橋的軸向應力分佈作了分析,補充和發展了薄膜微橋法的理論;引入了橫截面形狀修正因子,簡化了公式的表達和計算。One is the method of figured sea - island : this method adopts bicomponent conjugate spinning technology to produce super - fine fibers, whose cross section is made up of two types of components : one type of elements that are fine and dispersed is encircled with another, which bears a resemblance to islands amid the sea
一是定島法:它是通過雙組份復合紡絲技術製成,其纖維橫截面是一種成分以微細而分散狀態被另一種成分所包圍,很像海中島嶼,其島與海成分在纖維長度方向上是連續密集均勻分佈。Analyses of circumjacent earth pressure distribution establish the mechanical model of basic loads about stability, strength and stiffness of pipeline while defmitude of cross section stresses has a bearing on design purposes of production and practicality
管道周邊土壓力分佈性狀的分析奠定管道穩定性、強度和剛度計算的基本荷載的力學模型,而管道本身橫截面應力的確定關繫到生產實用的設計目的。A centrifuge testing program was undertaken to investigate the distributing of displacement on the embankments " cross sections and to observe the performance of these embankments at failure or the failure trend of these embankments. the responses of foundations were also analyzed. various slopes and various spacing of the reinforcements were considered in this testing program
通過離心模型試驗,對不同邊坡坡度、不同加筋密度的土工格柵加筋路堤及不加筋路堤橫截面上的位移分佈進行了對比分析,對各模型在不利工作狀況下地基的響應情況、路堤的整體變形情況、破壞情況及趨勢進行了觀察。Earth embankment and geogrid reinforced embankment with various slope, various spacing and length of the reinforcements, various heights were calculated by fem. each factor ' s influence on the tensile stress of the geogrids, the stress and displacement distribution in the cross sections of embankments and the response of foundations were analyzed
採用有限元理論與方法對不同高度、不同邊坡坡度、不同加筋密度、不同加筋長度的土工格柵加筋路堤及不加筋路堤進行了計算與分析,研究了各因素對格柵內拉力分佈、路堤橫截面上位移及應力分佈的影響以及地基的響應情況。分享友人