縱艙壁 的英文怎麼說
中文拼音 [zōngcāngbì]
縱艙壁
英文
fore and aft bulkhead-
Shipbuilding - remote handling fittings for valves on small ships ' forepeak bulkhead
造船.小船用船首尖艙隔壁上閥的手動遠距離操縱配件Then fourier transformation is employed to solve equations of motion of the rings, bulkheads, stringers and fluid respectively, with their reactions ( moments ) expanded by the shell ' s in - vacuo modes. by means of continuity conditions on the interfaces between the shell and the stiffeners as well as the fluid, and inverse fourier transformation, the modal reactions ( moments ) are finally expressed by the shell ' s modal velocities
然後用fourier變換分別求解環肋、艙壁、縱骨和流場的運動方程，將它們對殼體的作用力（力矩）用殼體周向模態展開，利用它們與殼體在連接處位移連續條件以及fourier逆變換得到用殼體速度表示的模態相互作用力（力矩） 。Double girders of rule height and thickness lines up with the corrugated longitudinal bulkhead of cargo tanks at centre
規范要求高度和厚度的雙縱桁，與船中間貨艙內的非直線縱艙壁保持一致Twin bulkhead tanker
雙縱艙壁油船Twin - bulkhead tanker
雙縱艙壁油船Matlab procedure is coded to compute the far - field sound pressure levels of the shell excited by radial point force. the influences of modal truncation, stringers, bulkheads and damping on the shell ' s far - field sound pressure are analyzed, laying down the basis for accurate analysis of the sound radiation from fluid - loaded reinforced double cylindrical shells
本文用matlab編製程序求解了單層殼在徑向激勵力作用下的遠場聲壓級，分析了模態截斷數、縱骨、艙壁板、結構阻尼等因素對殼體遠場輻射聲壓的影響，為準確計算加筋雙層殼在水下振動和聲輻射特性奠定了基礎。Abstract : fatigue cracks in ship hull structures are most likely to occur in the highly stressed structural details. the conventional fatigue analysis is largely dependent on the determination of stress concentration factors ( scfs ) at the locations considered. this paper is concerned with the stress concentration of cutout in transverse web for longitudinal stiffener. a series of finite element models is carried out for the stress analysis of predefined structural details. the tabulated scfs of typical cutouts ( abs tanker rules ) in transverse web for longitudinal stiffeners are presented based on the finite element analysis ( fea ) results
文摘:疲勞裂紋往往發生在船舶結構的局部高應力區，而疲勞分析結果通常取決于任何準確確定結構的應力集中系數.本文研究為鋪設縱骨而在艙壁板上開孔的應力集中，採用有限元方法對預先給定的結構進行應力分析，基於有限元計算結果給出了艙壁板典型開孔（參見abs油船規范）的應力集中系數表According to the fea model of 110, 000dwt oil tank, the distribution of the stresses of the model in more than ten kinds of load cases is calculated. the structural strength of the ship is assessed. the buckling assessment of the main ship plating such as the deck, bottom, side shell, inner shell, longitudinal and transversal bulkhead is undertaken
針對各種規定的計算載荷工況，對該船船體結構進行了強度校核。並對其主要的船體板如甲板、底板、舷側、內殼和縱橫向艙壁板等板格進行了平板屈曲校核。In a book written by an electronics expert who once participated in the us star wars program, the author discussed his findings in his studies on several fallen ufos unidentified flying object. according to him, ufos do not look very big from the outside, but after entering them, one might spend twenty minutes walking without reaching the opposite end due to a conversion of time and space. unlike an aircraft cockpit with dashboards and maneuvering devices, the ufos have only a few seats, surrounded by walls which themselves serve as jumbo tv monitors
他在對多種墜落的幽浮外星人飛行器考察研究時發現，從外面看幽浮並不很大，但進去后卻走二十多分鐘走不到頭時空轉換，而且裏面沒有像飛機駕駛艙內那樣眾多的儀表及操縱裝置，只有幾個坐椅，四周的墻壁就是大屏幕觀測電視，內部也沒有復雜的集成電路，只有大的晶體塊，整個飛行器完全是在外星人頭腦發出的電磁波控制下運行。The submarine structure is simplified to single or double infinite cylindrical shell stiffened with rings, bulkheads and stringers, focusing on underwater sound radiation from the single shell. the shell motion is described by donnell ' s theory including excitation forces and reactions of rings, bulkheads, stringers and fluid, which leads to the fluid - structure coupling vibration equation. expressing displacements by velocities, applying modal expansion circumferentially and fourier transformation longitudinally result in the shell ' s modal equations of motion
殼體的運動方程採用較為簡單的donnell理論描述，運動方程中包括了激勵力、加筋結構（環肋、艙壁和縱骨）和流場對殼體的作用力，從而組成流場-結構的耦合振動方程，並進一步將方程中的位移用速度表示，然後沿軸線方向進行fourier變換，將速度和各項荷載沿圓周方向進行模態展開，得到了殼體振動的模態運動方程。分享友人