法向截面 的英文怎麼說

中文拼音 [xiàngjiémiàn]
法向截面 英文
normal section
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  • : 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...
  1. Meanwhile, using this apparatus measured soil containing water data from plane and section, and using software arc view insert value analyzed by distance inverse ratio measure, the result is very good

    同時,還用該儀器從平這兩個方測量了土壤含水率,並用arcview軟體進浙江大學碩士論文中文摘要行了距離反比插值分析,取得了較好的結果。
  2. Method study of normal force engineering calculation of missile with rectangular cross - sectional shape

    矩形彈體氣動力計算方
  3. 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 、橫槽抗震性能分析1 )可利用調整構件質量的方,使得結構的某些構件的地震荷載分佈均勻一些。
  4. Based upon virtual displacement method and the updated - lagrangian approach, stiffness matrices for two - dimensional elastic - plastic beam model in large displacement were proposed, in the derivation of which transverse stress was included because it was believed that part of the 2nd order effects of various stresses, which are in equilibrium with each other and with the external loads, will counteract each other and neglecting either part would possibly lead to incorrect results

    利用虛位移原理和更新的拉格朗日方,導出了大位移彈塑性梁單元剛度矩陣的顯式表達式,在剛度矩陣推導中引入了內非線性剪應力和橫應力的影響,剛度矩陣通過了剛體檢驗。之所以要引入橫應力的影響,是因為本文認為,保持平衡所需的所有應力,它們各自的二階效應會相互抵消,因此忽略其中的任何一項都可能導致不正確的結果。
  5. It is determined that with accurate knowledge of the complete stress - strain curve of concrete in compression, steel in tension, and with an iterative computerized non ? linear method, it is possible to predict the entire moment - curvature, moment - flexural rigidity and axial rigidity relation ship of a cross - section of a structure member

    可以確定,只要知道混凝土受壓和鋼筋受拉的完整的應力應變關系,採用選代的非線性計算方,就有可能預測結構彎矩一曲率、彎矩一彎曲剛度和軸剛度的關系。
  6. Consequently, on the basis of non - winkler foundation model, a finite - element method that utilizes foundation flexibility matrix into iterative calculation is proposed in this paper originated from the item " the optimal design theory and research of pile capping beam " sponsored by natural science fund of hunan province, which the continuity of soil mass can be accounted for under various boundary conditions, different loadings and irregular beam characters

    本文結合湖南省自然科學基金項目「樁基承臺梁優化設計理論與方研究」 ,針對非文克爾地基(半空間、線性變形層或單壓縮層地基模型等)上的樁基承臺梁,提出一種利用地基柔度矩陣來進行迭代的有限單元,可充分考慮梁下土體的連續性,並對基礎與土體脫開、承臺梁變化、梁體邊界條件復雜、上部荷載類型變化以及梁下基樁承載力差異等情況進行分析計算。
  7. The sea1 ring with complex section shape cafl be treated as a combined body made of several individual cy1 inders with di fferent dimensions. by app1ying the method used in the " edge prob1 em " of the fnoment theory of she11, the deformat ion - - - radia1 disp1acement and rotation at the two edges of each individual

    應用殼體力矩理論中求解邊緣問題的方,將密封環分解為多個等厚度、為單一矩形的筒體,對每一圓筒進行分析並運用殼體力矩理論求出其兩個邊緣在外載荷作用下的邊緣變形值? ?徑位移及轉角。
  8. Let us consider a slender bar of the medium, with a constant cross - section area. a short axial disturbance is produced at one of the bar, resulting in the propagation of a wave

    此方的原理在於考慮一個等橫的圓形細桿介質,在波傳播到桿的一端時,產生了微小的軸干擾。
  9. The numerical simulation of axisymmetric two - dimensional shock tube is studied, which has a conical convergent section, and its driving gas is the hot product of hydrogen oxygen detonation. finite volume tvd scheme is adopted and the mesh is local orthogonal. the primitive equations are euler s equations of multi - component flow. the new method of eliminating numerical oscillation at the interface of two materials is extended to two dimensions. the mechanical character of this shock tube is analyzed

    對由前爆轟產生驅動氣體並具有局部錐形收縮的軸對稱激波管利用兩相常比熱完全氣體的歐拉方程組和有限體積tvd格式在局部正交的網格上進行了二維數值模擬。將消除兩種介質界處數值振蕩的新方成功地推廣到二維情況。分析了該激波管的力學特性。
  10. For meeting the related nantional standards and avoiding demolishment of the building, the underpinning and strengthening methods are used, with which the loads of center column are underpined by the diagonal steel strut and the cross - sectional areas of side pillar are strengthened, both ends of shear wall are chiseled in turn and then concrete is poured again

    通過採用斜鋼支撐荷載轉移實現對中柱的托換,採用剪力墻兩端分批鑿除后再澆搗實現對剪力墻的托換,採用增加對邊柱進行加固,使建築物經托換和加固后能滿足國家有關規范的要求。
  11. Along with the progress of drilling technology, many new types of bha such as steering motor assembly, dropping assembly with eccentric bend sub, dropping assembly with flexible connection are developed based on common building, dropping and holding assemblies. for using these bha, a new mathematical model is put forward for 3d static analysis of these types of bha under small deflection. and its weighted residual solution is given. the mathematical model includes ( 1 ) differential equations ; ( 2 ) boundary conditions at drill bit, stabilizer, bend angle, diameter change, tangential point and borehole wall ; ( 3 ) lateral forces and deflection angles of bit. the software based upon this method runs well

    為了更好地應用各種新鉆具,建立了適用於對普通下部鉆具、導鉆具、帶偏心彎接頭和柔性接頭的下部鉆具進行三維小撓度靜力學分析的數學模型,包括( 1 )微分方程; ( 2 )鉆頭、穩定器、彎角、變、切點和井壁的邊界條件; ( 3 )鉆頭的側力和鉆頭轉角.給出了該模型的加權余量解.用該方編寫的軟體應用效果良好
  12. Abstract : based on thestatic wind force factors of a tower and on the root - mean - square of the buffetingdisplacement responses of the tower top, which are measured by wind tunnel tests inlaminar and turbulent field respectively, the static and buffeting internal forces of thetower bottom control sections under its design wind speed are obtained by linearsuperposition method and fem

    文摘:基於均勻流和紊流風場中的橋塔模型風洞試驗所測得的橋塔空氣力靜力系數及塔頂抖振響應的位移均方根,採用線性疊加及有限元反演,給出設計風速下塔底控制的順風靜風及抖振內力。
  13. The harmonic analysis method for computing force of end - point of variable cross - section beam when it does transverse vibration

    計算變梁橫振動時桿端力的調和分析
  14. 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,本文根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,並由最小二乘導出殼體中部應力次大值的近似計算式。
  15. In order to investigate the unsteady flow frequency domain performances of an axial flow compressor at different mass flow, rotating speed and blade row spacing, plus inlet flow distortion, and considering aerodynamic characteristics and stability of the compressor, the low speed research compressor ( lsc ) at college of energy and power in nuaa is used to carry out the experiment studies. a large amount of test data has been gained through dynamic pressure transducers embedded in the stator blades at the tip, middle and hub section, then fast fourier transform algorithm ( fft ) is applied to calculate the frequency data

    為探討軸流壓氣機在工作流量、工作轉速及動?靜葉排軸間距變化時的葉片排流場非定常頻譜特性變化規律,並耦合進氣畸變的影響,同時與壓氣機氣動性能和氣動穩定性相關聯,作者利用南京航空航天大學能源與動力學院的低速大尺寸軸流壓氣機( lsc )試驗器,採取在靜子葉片表埋入動態壓力傳感器的實驗方,對葉尖、葉中和葉根三個的動態壓力進行了測量,獲得了大量的可靠的實驗數據。
  16. When analyzing skew support continuous curved box girder bridge, curved grid girder analyzing method considering warping effect is applied. matrix displacement method is applied in analyzing skew support continuous curved thin - walled box girder bridge with restrained bearing. in order to convert original rigidity equations to structural rigidi ty equations that can be solved, bearing nodal displacement matrix can be introduced, then unknown quantities at the edge of beams can be consistent with the restrained directions of skew bearings, unit rigidity matrix and unit nodal forces can be gained. structural rigidity matrix can be composed according to matrix displacement method, so nodal displacements and inner forces on the end of the rod that are unknown can be gained calculating equations of inner forces on any cross - section can be solved

    分析斜支承連續曲線箱梁橋時,採用考慮翹曲作用的曲線格子梁分析方,應用矩陣位移對具有約束支承形式的斜支承連續曲線薄壁箱梁橋進行分析,考慮到支座的約束條件並不與梁端彎曲角位移和扭轉角位移的方一致,引入支座節點坐標矩陣,使得梁端的位移未知量與斜支座約束方一致,來計算單元剛度矩陣和單元節點力,然後按照矩陣位移組集總剛並建立結構剛度方程,根據結構剛度方程即可求解未知的節點位移及桿端力,推導出任意處的內力計算公式。
  17. By measuring the temperature of temperature - feeling machine of pre depositing in the box sections, i can get the varying temperature data of different time in box sections, then make use of these temperature test datas, figure out the variety regulation of temperature distribution along the high direction in box section with the nerve network method, then i get temperature fields of box section along the high direction

    3 、採用現場實測的方,通過測量預埋在箱梁的溫度傳感器,得到不同時刻箱梁的溫度變化數據,然後利用這些溫度測試數據,用回歸分析的方擬合出沿梁高方的溫度分佈規律,從而得到箱梁梁高方的溫度場。
  18. 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與橫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。
  19. Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed

    本文在總結和分析了一個世紀以來有關曲線管道流動和換熱特性的研究成果的基礎上,以旋轉正交曲線坐標系統下的多參數旋轉螺旋管道中的對流傳熱為物理模型,通過攝動方和有限體積,首次對各種(圓、橢圓、環形、矩形)旋轉曲線管道內充分發展流動的流動結構和傳熱特性(包括耦合對流傳熱特性)以及旋轉曲線管道開口段發展流動的流動結構和換熱特性進行了系統的數值模擬和理論分析,詳細討論了各種無量綱參數對管道內軸速度分佈、二次流結構、溫度分佈、壁摩擦力、摩擦系數比以及管道nusselt數的影響,獲得了若干創新性成果。
  20. Improvement of the calculating method of load capacity of diagonal section in concrete members

    鋼筋砼雙受彎構件正承載力計算方及圖表編制
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