端載荷 的英文怎麼說

中文拼音 [duānzǎi]
端載荷 英文
end load
  • : Ⅰ名詞1 (東西的頭) end; extremity 2 (事情的開頭) beginning 3 (門類; 方面) item; point 4 (原...
  • : 載Ⅰ名詞(年) year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
  • : 荷名詞(蓮) lotus
  • 載荷 : load; loading載荷變化 load fluctuation; variation in load; 載荷裝置 load device
  1. 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力上程計算方法;對基於彈塑性理論分析的地基承力國內尚未見報道的空間問題得到了圓形基礎(空間問題)的承力界限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(平面問題)的界限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力公式值偏於保守的這一情況;根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,本文以截頭錐模型模擬地基,對地基(巖基)承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? ?樁巖基承力的確定問題,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、土力學計算及深斤試驗四方面進行了深入討論;本文作者根據多年現場試驗的工程實踐,對深井試驗裝置的核心部分? ?反力裝置,設計了側壁支撐反力加系統,該加系統具有實用、簡便、穩定及安個等優點。
  2. If this load centroid is behind the elastic axis of the wing structure, then a nose-down twist of the main wing surface results.

    如果該重心在機翼結構彈性軸之後,則引起主機翼表面前向下的扭轉。
  3. The study on interfacial crack - tip fields under pressure and shear

    壓剪作用下界面裂紋尖場的研究
  4. Nowadays, the ways to detect the piles are various, and all of them are limited in some aspects. for instance, coring test do large scathe on the piles, and static load test will waste much time, money and energy, while some ways are hard to operate as the limitation of the length and the diameter of the piles, and the special condition on the spots, such as high - strain, low - strain, and so on. furthermore, the result can only be gained under the complex analysis of the collected wave, and under the validation of the coring test

    目前,工程中常用的樁基檢測方法很多,但都存在著一些弊:有的對樁破壞性嚴重,例如抽芯檢測;有的耗時、耗財、耗力,例如靜試驗;還有的如低應變、高應變等檢測技術由於受到樁長、樁徑以及現場一些特殊情況的限制,操作很不方便,而且採集到的波形要經過比較復雜的處理分析方能得出結論,而這個結論卻還要輔助取芯手段加以驗證。
  5. The only load to be applied to the torsion bar is the torque m at its ends.

    扭桿上的唯一是扭桿兩的扭矩M。
  6. The only load to be applied to the torsion bar is the torque m at its ends

    扭桿上的唯一是扭桿兩的扭矩m 。
  7. The dynamic force - displacement relation curve is of crucial important to the design and operation of mechanical impact devices. using one - dimensional wave mechanics and characteristic line theory, this paper presents a testing method for determination of dynamic force - displacement relation curve from one - point strain measurement on an elastic rod endface. the principle of measurement, data processing method and experimental results for penetration into granite are discussed. 4figs., 5refs

    沖擊下彈性桿的作用力-位移關系曲線是沖擊機械繫統研究的重要內容.基於一維波動力學方程,應用特徵線方法,探討了已知一點應變求取彈性桿的作用力-位移曲線的測試原理與數據處理方法,以及在花崗巖上沖擊鑿巖機具的測試結果,對一點應變測試法的可行性進行了論證.圖4 ,參5
  8. Under special conditions such as low partial load / deep vacuum, unexpected high air leakage resulting in a major temperature difference ( above 10 c ) between the steam exhaust turbine temperature and all air - take off temperature measurement, the suction capacity can be improved by using 2 main ejector simultaneously

    在特殊條件如局部低/極真空,不正常的熱交換,意想不到的高空氣泄漏導致的在蒸汽排氣溫度和抽空溫度測量上產生的嚴重溫差( 10 c以上) ,用兩臺主抽汽器同時工作可以提高抽氣量。
  9. The main results and academic contributions of the dissertation can be summarized as following : 1 ) for the difficulty to obtain the accurate analytical solution of the stress constraints around 3d cracks, detailed 3d fe analyses have been conducted to study the out - of - plane constraint factor tz around a straight through - thickness crack, a quarter - elliptical corner crack and a semi - elliptical crack embedded in an isotropic elastic plate subjected to uniform remote tension loading. the distributions of tz are minutely studied in the forward section of the cracks. strong 3d zones ( tz > 0 ) along the crack front were investigated despite the far field stress - free boundary conditions

    全文主要研究內容和學術貢獻如下: 1 .針對一般三維裂紋部場應力約束準確解析的困難,對均勻拉伸作用下各向同性彈性板中穿透厚度中心直裂紋、半橢圓表面裂紋和1 / 4橢圓角裂紋進行了大量詳細的全場應力三維有限元分析,首次全面分析了非穿透裂紋部場三維影響區范圍,給出了不同形狀三維裂紋前沿離面應力約束因子tz的數值解,並結合k場平面解給出了非穿透裂紋部應力場k - tz雙參數描述。
  10. Fork ends, in corrosion - resistant steel, swaged on aircraft control wire rope - dimensions and loads

    航空器操縱鋼絲繩上的鍛制耐腐蝕鋼制叉形.尺寸及
  11. 2. dynamics analysis : by setting up jacon matrix differential coefficient sport is passed to descartes space. it makes terminal executing manipulator produce differential coefficient of acceleration and force in every different coordinates can be got. then the effective inertia, coincident inertia and gravity load of two manipulators are calculated by lagrange method. so generalized joint torque of each joint is got, and along with equivalent driving torque, actual driving torque of each joint can be worked out. 3

    動力學分析:建立雅可比矩陣將關節空間的各關節的微分運動傳遞到笛卡爾空間,使末執行器位姿產生微分運動,以用於求加速度及力在不同坐標系間的線性變換,再用拉格朗日法計算兩機械手的有效慣量、偶合慣量、重力,從而計算得到各關節的廣義關節力矩,並與等效驅動力矩共同算得各關節的驅動力矩。
  12. In chapter 2, author points out firstly that the elastic deformation of elastic units of a robot ' s wrist force sensor will be enlarged by the end - effector, the instruments and the work pieces, so the elastic deformation of the sensor will influence the location accuracy or kinetic accuracy of end point of a robot, under the condition of that the robot technology facing the developing of heavy load, light mass and high accuracy. it is discussed respectively that the relationship between the differential kinemics in the sensor ' s coordinate and the location accuracy or kinetic accuracy of the end point. error matrixes of location and kinemics of the end point are presented respectively based on the differential kinemics in the sensor ' s coordinate, and the on - line error compensation methods are introduced subsequently

    第二章首先指出機器人腕力傳感器彈性體的彈性變形經過機器人末連桿、工具、工件等的放大后,會對機器人末精確定位和運動產生的影響;然後分別研究了傳感器坐標系內的微分運動與機器人末工件精確定位、運動的關系;在此基礎上,研究了基於腕力傳感器彈性體微分運動的機器人末定位、運動誤差的誤差矩陣及其在線誤差補償方法;基於機器人動力學的機器人末定位、運動誤差的誤差矩陣及其在線誤差補償方法;最後,以puma型機器人為對象,給出了基於腕力傳感器內微分運動的機器人末定位、運動誤差及其在線補償方法的模擬實例:給出了基於機器人動力學的機器人末定位、運動誤差及其在線補償方法的模擬實例;模擬結果表明, 1 )基於腕力傳感器的機器人末定位誤差在腕力傳感器允許的下可達十分之幾毫米級。
  13. Based on vibration principle, the paper establishes dynamics analysis model of output shaft with elastic support, according to fourer series spread principle of periodic function, the dynamic response formula is derived by separating complex vibration force into sum of many simple harmonic excitation function of whole number times frequency relations. the result shows that response of both sides support is synchronous when load distribution non - uniform coefficient is 1

    依據振動理論建立了具有彈性支撐的輸出軸的動力學分析模型,根據周期函數的傅里葉級數展開原理,將復雜的激振力分解成為多個頻率成整倍數關系的簡諧激勵函數,導出了動態響應表達式,結果表明,當分配不均勻系數為1 . 0時的輸出軸兩支撐同步。
  14. The following conclusions are gained : ( 1 ) the located shear band prongs the ligament near the top crack tip and the structure may occur shear - mode fracture at the angle of 155 ? to crack when load is 87. 92mpa ; the mode of fracture of the flange joint structure is not possible to be void - mode ; ( 2 ) it is proved that loading and then unloading repeatedly can not increase the possibility of invalidation of the structure when the times of loading and unloading are not too more when load is operating pressure ; the structure is safe when the vessel is operating ; ( 3 ) in the fe model of the thesis, not considering the influence of water pressure test which is in the process of fabrication of vessel in fe results in larger deviation in analysi

    得出了以下結論:在8792mpa的下筒體一封頭連接結構處的集中剪切帶貫穿韌帶,可能發生沿與原裂紋線成155 「角方向剪切型斷裂;筒體一封頭連接結構不可能發生韌窩型斷裂; ( 2 )在工作壓力下進行次數不多的反復加、卸,結構不會破壞,也不會喪失安定性:結構在工作狀態下是安全的; m在本文的彈塑性有限元模擬計算中,對于裂紋尖進行力學分析時,不考慮壓力容器製造過程中水壓試驗的影響,將導致計算結果出現較大的偏差; ( 4 )筒體完全屈服時的為92石3mpa ,封頭完全屈服時為86
  15. Refer to the impacting - echo technology, we impacted the apex of the steel bar and incepted the reflecting stress ave through the resonator that fixed on the apex of the steel bar, and the value of the consolidating wave speed was calculated based on the time of stress wave transmitted and the length of the steel bar, so, identifying the reflecting signal is the key of the consolidating wave speed method

    借鑒于沖擊回波技術,固結波速的測定方法是在鋼筋測桿的出露施加瞬態沖擊,由安設在測桿頂的傳感器接收反射應力波信號,根據應力波的走時和測桿的長度折算固結波速的大小,因此反射信號的識別是固結波速法檢測混凝土強度的技術關鍵。
  16. Using displacement - load sensor to collect displacement and load data and adopting micro - power wireless communication module to transmit the load and displacement data to main part of the oil - well monitor and control system by serial port to form the indicator diagrams. the key to give the oil well effective monitor and control is monitoring the data of the indicator diagrams

    通過固定在抽油桿上的位移-傳感器實時採集油桿的位移數據和數據,再採用微功率無線通信模塊通過串口將採集來的位移數據和數據傳送至遠的監控系統主機,用兩種數據形成示功圖曲線。
  17. Using the complex potential method in the plane theory of elasticity of an anisotropic body, a series solution to the stress field of a finite plate containing multiple cracks subjected to arbitrary loads is obtained by means of the faber series expansion, and the stress intensity factors at the crack tips are calculated based on the theories of fracture mechanics. equivalence yield stress is introduced in order to consider the effects of the plastic zones, with which the strip yield criteria is developed in the article so that the effects of structural size and the crack interactions on the stress distribution can be considered accurately. the effects of plate size, crack size and crack distributions on the stress intensity factors as well as the residual strength of the plate are studied detailedly

    採用各向異性體平面彈性理論中的復勢方法,以faber級數為工具,得到了含多裂紋有限大板在任意作用下應力場的級數解,並應用斷裂力學方法確定裂紋尖的應力強度因子;引入當量屈服應力考慮裂尖塑性區的影響,提出基於帶屈服準則的剩餘強度分析模型,能夠充分考慮結構尺寸和裂紋之間相互作用對應力場的影響;通過數值計算詳細討論了結構尺寸和裂紋之間位置關系對應力強度因子和結構剩餘強度的影響規律,得到了一系列對工程應用具有實用價值的結論。
  18. The calculation result is compared with that of some experiments and other references, and it is satisfactory. the subroutines can be applied to the stress analysis of turbine disks in aeroengines

    計算結果表明介面子程序具有在不同應變率條件下、應變率跳級拉伸條件下以及循環條件下的模擬能力,程序正確、可靠,適于渦輪盤等發動機熱部件的應力分析。
  19. Eye - ends, in corrosion resisting steel, swaged on aircraft control wire rope - dimensions and loads

    航空器操縱鋼絲繩用鍛制耐腐蝕鋼有眼.尺寸及
  20. Eye - ends, in corrosion - resistant steel, threaded, for aircraft control wire rope - dimensions and loads

    航空器操縱鋼絲繩用耐腐蝕鋼制螺紋式有眼.尺寸及
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