根部截面 的英文怎麼說

中文拼音 [gēnjiémiàn]
根部截面 英文
root section
  • : Ⅰ名詞1 (植物的營養器官) root (of a plant) 2 (比喻子孫後代) descendants; posterity 3 [數學] ...
  • : Ⅰ名詞1 (部分; 部位) part; section; division; region 2 (部門; 機關或組織單位的名稱) unit; mini...
  • : 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...
  • 根部 : [自動化] root segment; rhizine; root根部腐爛 butt rot; 根部害蟲 root feeding insect; 根部間隙 roo...
  1. Perfect pre - processing and post - processing function is one of the main factors to evaluate the vitality and market value of the finite element analysis system surveying today development of finite element analysis technology, most of which concentrate on establishing fine user interface, also has some limitation on application, and especially, the research on the visualization of arbitrary cut - plane is always in ascendants to realize the visual processing on cut - plane needs reprocessing the results of finite element analysis which have get, so the algorithm is two parts : seeking the physical value of cut - plane and drawing 2d contours, the former, based on the theory of stress on " arbitrary inclined plane " in physical mechanics, use the method of linear interpolation method to get the coordination and physical value of intersection between cut - plane and element arris ; the latter, based on the tables on elements, nodes, stress and strain, summarize a rapid algorithm of generating 2d contours based on the grid. this thesis synthesizes there two parts and get a visual processing program under fortran

    縱觀有限元分析技術的發展,目前大多集中在建立良好的用戶界上的研究仍存在許多應用上的局限性,其中對任意剖上可視化的研究仍處于方興未艾的階段。要實現任意剖上可視化處理,必須先將得到的有限元計算結果進行再處理,因此在演算法上分為兩分:求任意剖上物理量值的演算法及二維等值線演算法。前一分以彈性力學中「任意斜的應力」為理論基礎,利用線性插值方法得到與單元棱邊的交點坐標及交點物理量值;在此基礎上;據已得到的單元及節點序號表、應力應變物理量表,總結出一種基於有限元剖分網格的快速生成二維等值線的演算法。
  2. In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test

    然後,對巖土工程領域至今尚未解決,甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討,提出了考慮地基變形的地基承載力上程計算方法;對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎(空間問題)的承載力界限荷載p _ ( 1 / 4 ) ,並與國內外土力學專著及地基基礎設計規范中的條形基礎(平問題)的界限荷載p _ ( 1 / 4 ) ,進行了對比,從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況;據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作,本文以頭錐模型模擬地基,對地基(巖基)承載力的動測法進行了研究,為各類地基(包括巖基) ,匯總了動力分析和檢測川的參數:針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題,從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元法計算、土力學計算及深斤載荷試驗四方進行了深入討論;本文作者據多年現場載荷試驗的工程實踐,對深井荷試驗裝置的核心分? ?反力裝置,設計了側壁支撐反力加載系統,該加載系統具有實用、簡便、穩定及安個等優點。
  3. For the stress analysis of dryers under the line load of supporting rollers, according to hoff theoretical solution of thin cylindrical shell under line loads, mangelsdorf approximate solution is modified on the basis of the calculation analysis for 14 sets dryers " dimension by computer programming with matlab software. the approximate formulas of the second largest hoop stress of the middle section of the shell are derived

    針對托輥線壓載荷作用下烘缸的受力分析,本文據薄壁圓柱殼在線壓載荷作用下的hoff理論解,在運用matlab軟體對14組常用烘缸參數進行編程計算分析的基礎上,對mangelsdorf近似解作了修正,並由最小二乘法導出殼體中環向應力次大值的近似計算式。
  4. ( 2 ). according to the system indices and requirements together with the technology characteristic, it researches the capture possibility of apt capturing system. then it introduces the common scan methods, such as raster, spiral, raster spiral, rose and lissajo. ( 3 ). it makes a detailed simulation analysis of the raster and spiral scan, analyze the connection between capture probability, capture time, system index at different capture resolution angle, capture range, vibration angle extent and terminal location distributing mean square deviation

    其中對幾個關鍵分進行了詳細分析:計算了目標角反射器的激光雷達散射( lrcs )值,研究了qd與ccd對目標位置角度的計算方法和空間解析度; ( 2 )據系統指標和要求並結合現有國內技術特點研究了apt捕獲系統掃描的捕獲概率問題,然後分析了幾種常見的掃描方式:矩形( raster )掃描、螺旋( spiral )掃描,矩形螺旋( rasterspiral )掃描,玫瑰形( rose )掃描以及李薩如形( lissajo )掃描; ( 3 )對分行掃描和螺旋掃描進行了詳細的模擬分析,分析了它們在不同捕獲分辨角、捕獲范圍、振動角振幅和終端位置分佈均方差時的捕獲概率、捕獲時間與系統常數之間的關系。
  5. According to different working performance ofjhe partially prestressed structure after cracking under the piling loads, the calculating formulae of the " complete stress " are deduced separately by means of linear - elastic or nonlinear analysis method

    分預應力構件在荷載分期作用下不同的受力性能,分別用線彈性方法和非線性分析方法推導了預應力構件開裂全應力的計算公式。
  6. According to the new concrete code, the calculation formula are put forward concerning the load - carrying capacity during construction, the load - carrying capacity of cross - section bending, longitudinal shearing, the inclined - section shearing and part shearing during the application of the continuous composite floor slab, which provide the design proofs for the continuous composite floor slab

    摘要據新混凝土規范,給出了連續跨壓型鋼板與混凝土組合板施工階段的承載力計算公式及使用階段的正抗彎承載力、縱向水平抗剪承載力、斜抗剪承載力和局抗沖切承載力計算公式,為連續組合樓板的設計提供了依據。
  7. A reaction network program is created and used to analyze the astrophysical effects of the new reaction rates 18f ( p, ) 15o, 18f ( p, ) 19ne and 11c ( p, ) 12n. the new rate of 18f + p could produce form more production of 18f that expected by the rates of ref. [ coc00 ]

    最近,我國原子能院就「 c ( p ,的『 「 n的直接俘獲的作了間接的測量[ liu03 ] ,我們據其提供的直接分的s因子更新了「 c ( p ,的『 zn的反應率[ liu03 , shu03a ] ;並利用網路方程計算系統,討論了該反應率在巨質量貧金屬星中的影響。
  8. In all these 20 specimens, the embedded electronic steel - concrete slip transfer were respectively embedded on the steel shape webs and inside and outside of the flanges at certain intervals along the embedment length to measure the distributions of the interior slip, and the electronic strain gauges were also installed on the shallow grooves of each steel shape web and flanges at close intervals along the length to measure the distributions of the steel shape web and flanges strain, from which the distributions of bond stress were obtained. with these methods of measuring the distributions of slip and bond stresses, the establishment of the bond - slip constitutive relations were ensured

    用力的平衡方程,得到推出試驗中型鋼混凝土粘結應力的大小及其分佈規律;據鋼一混凝土電子滑移傳感器的滑移量測結果,分析了沿型鋼埋置長度的內滑移分佈規律,並對試驗量測的特徵滑移值進行了統計回歸;據粘結應力和內滑移測量結果,得出沿型鋼埋置長度方向上各的局粘結應力一滑移關系曲線,建立了局粘結滑移本構模型嘆x )一s仁, , … , c , … c 。
  9. In the calculations of ultimate bearing capacity, the section of rc beam was divided into the elastic zone and the plastic zone based on the fire temperature field of the beam ' s section, the equivalent - floor - live - load was presented to describe the weakening of the bearing capacity of structure members in fire, the correlation expressions were established

    摘要據梁火災溫度場,將梁混凝土分為彈性區和塑性區2分計算火災場梁極限承載力,並採用等效樓活荷載描述火災場高溫對梁極限承載力的削弱,推導了相關的計算公式。
  10. Based on the mechanical behavior of the composite column and the yield condition of its components, a formula for computing the ultimate bearing capacity was obtained with the limit equilibrium method

    據組合柱各組成分極限(屈服)條件,應用極限平衡理論建立了的力學平衡方程,基於鋼骨冀緣對核心混凝土的附加約束,推導了該組合柱的軸壓極限承載力計算公式。
  11. According to three dimension braided composites for braided technology - four - step and technology - two - step procedure, and with reference to theories of braided fabric geometry and force models, a geometric model is built. in this model, the cross - section of thread is described as a circle and thread path as a cubic b - spline. braided - fabric structures in three dimensions are displayed by using solid - modeling techniques

    本文三維編織物據四步法和二步法編織工藝,從紗線的力學模型出發,建立了以圓形近似描述紗線的形態,以三次b樣條曲線近似描述紗線的屈曲形態的織物空間幾何模型,利用計算機三維實體造型技術,分別建立各自的編織物實體模型,用來模擬織物內各紗線的空間位置,完成織物結構模擬。
  12. In these paper we use the following rule to determine the width - to - thickness ratio : if the local buckling has visible effect on the overall buckling capacity, then this width - to thickness ratio should not be exceeded based on the resul ts obtained, we proposed a new formula for the limitation of the ratio of h / tw of the t - section columns " webs

    據局失穩對整體失穩不應該有顯著影響的原則,最後得到t形壓桿腹板的寬厚比限值計算公式。本文對規范修訂和工程應用有一定的參考作用。
  13. The modeling and simulation describing the dynamic performance of the cylinder are established and the sectional acres of the actuating pneumatic organ are discussed ; after resolving the simulation model by matlab, the cylinder dynamic performance parameter based on time is obtained ; in the end, the influence of inertial load, stroke and valid area on the dynamic performance of the cylinder are discussed

    然後針對主要件? ? ?氣壓作動筒的工作過程,建立了描述作動筒彈射和回收過程的物理模型和數學模型,對其中的氣動元件有效積ae展開了討論。利用matlab求解模擬模型,據程序設計結構編制模擬程序,得到氣缸動特性參數隨時間變化的可視化模擬結果。
  14. Tom fender, him s managing director, commented : " the study appears to show that as yet the convenience sector is not attracting as many upmarket shoppers as it could do. they obviously have the money to spend and are particularly susceptible to impulse purchases like confectionery and the national lottery

    哈里斯國際市場營銷公司執行董事湯姆芬德評論說: 「據這項研究的結果顯示,止到目前便利商業門在吸引那些習慣于光顧高檔消費場所的顧客方所取得的成績不盡人意。
  15. Based on the experimental study and inelastic theory, the ultimate flexural capacity of steel encased concrete composite beams are derived. the difference between steel encased concrete composite beams with full shear connection and beams with partial shear connection, together with the relationship between the inelastic neutral axis of steel parts and concrete parts, are considered in the formulae. the calculation results of the eight specimens with full shear connection and the three specimens with partial shear connection are in good agreement with the experimental data, which validates the effectiveness and efficiency of the proposed calculation methods. furthermore, the nonlinear finite element analysis of the ultimate flexural capacity of the steel encased concrete composite beams is performed. nonlinear material properties and nonlinear contact properties are considered in the finite element analysis. the finite element analytical results also correlate well with the experimental data

    基於外包鋼混凝土組合梁的試驗研究和塑性理論,按照鋼梁和混凝土塑性中和軸相對位置的不同,分別推導了完全剪切連接和分剪切連接的外包鋼混凝土組合梁的正極限抗彎承載力的計算公式,並對外包鋼混凝土組合梁進行了非線性有限元分析,分析中重點考慮了材料非線性和接觸非線性. 8完全剪切連接和3分剪切連接試件的正極限抗彎承載力的計算結果及有限元分析結果與試驗結果吻合良好
  16. Moreover, the detailed calculation and contrastive analysis are carried out by using the software ansys. theoretical calculation and testing results show that adopting the connection construction with a hole on the web can alleviate the stress state greatly and transform the failure mode of the connection from brittle fracture to local buckling damage on beam, reduces the possibility of brittle fracture by welding and improve the ductility performance of connection to a great extent

    結果表明,採用腹板開孔的節點形式,可以使梁的塑性鉸位置由梁向中偏移,達到了有效控制塑性鉸位置的目的;同時,採用這種節點構造可以改變節點附近的梁應力分佈狀態,降低了節點脆性破壞的可能性,使節點的破壞模式從脆性破壞轉變為梁的局屈曲破壞,很大程度上改善了結構的延性。
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