推力載荷 的英文怎麼說
中文拼音 [tuīlìzǎihé]
推力載荷
英文
thrust loading- 推 : 動詞1 (向外用力使物體移動) push; shove 2 (磨或碾) turn a mill or grindstone; grind 3 (剪或削...
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 載 : 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 : 荷名詞(蓮) lotus
- 推力 : visatergo; soot; propulsive force; thrust; momentum thrust
- 載荷 : load; loading載荷變化 load fluctuation; variation in load; 載荷裝置 load device
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The dynamic loads must be extrapolated using aeroelatic scale factors.
動力載荷必須用氣動彈性尺度因子來推算。The hydrodynamic propulsor takes drill fluid as power source, with the aid of the axial load produced by the pressure drop of the bit nozzle, makes the axial force act on the bit to produce wob, making up for the insufficient wob, ensuring the bit feeding smoothly and improving the penetration rate
這種推進器以鉆井液為動力源,藉助鉆頭噴嘴壓降產生的軸向載荷,使軸向力直接作用於鉆頭產生鉆壓,彌補有效鉆壓不足,保證鉆頭平穩鉆進,提高機械鉆速。From the feature of the force and deformation of the tpih, 5 different elements are used to mesh the different zones of the tube, which are structural beam 3d elastic 4, structural pipe plastic straight 20, structural pipe elastic elbow 18, structural shell elastic 4 node 63 and contact 3d pt - to - surf 49 ; the contact problem is assumed to be flexible - to - flexible ; the temperature field is assumed to be body load. a mechanical model corresponding to reality has been established for numerical simulation. based on the above, the 3 - d fem numerical simulation of tpih has been carried out by using the ansys program
針對加熱彎管過程的受力和變形特點,採用三維梁單元、三維塑性直管單元、三維彈性曲管單元、三維殼單元與三維點對面接觸單元等5種不同的單元分別對管毛坯不同區域進行劃分,並對接觸單元採用柔體-柔體的處理方法,將溫度場作為體載荷處理,建立了符合實際的加熱彎管問題數值模擬力學模型:在此基礎上,應用商用軟體ansys對加熱彎管過程進行三維有限元模擬與研究,獲得了成形時推力、彎矩、支撐力大小及其變化趨勢。On the basis of the theory of thin shells and the non - moment assumption, the equations of the motion of the conical shells under lateral cosinoidal loading are derived in the case of ignoring shearing stress
基於薄殼理論和無矩假定,在略去剪切應力的情況下推導了圓錐殼在側向餘弦載荷作用下的運動方程,並採用半解析差分方法進行了數值求解。The prestressed continuous beam - arch composite bridges are a special structural system where the horizontal thrust of the arch rib is absorbed by a prestressed tie at deck level. in some cases, this type of structure is preferable because it does n ' t have the large thrust at the spring hi traditional arch bridges and the somewhat large bending moment and shear force in traditional beam bridges. as a result, the performances of the prestressing reinforcement can be efficiently utilized
它利用拱肋承擔壓力,系梁預應力束抵抗拱端推力,吊桿及縱橫橋面系結構承受橋面荷載,既克服了傳統拱橋巨大的拱端推力,又改善了連續梁橋較大的彎矩和剪力的受力狀況,最大限度地發揮了拱梁混凝土和預應力鋼筋各自的特點,經濟效益顯著。In chapter 3, the subgrid eddy - viscosity model for large eddy simulation is applied to calculate the three dimensions unsteady periodic turbulent flow in yantan francis turbine. the pulsating characteristics of some main physical parameters in flow field are found. the calculated axial water thrust of hydraulic turbine agrees with the model - test value
第三章採用大渦模擬亞格子渦粘模型,對巖灘混流式水輪機的流場進行三維非定常湍流分析,得到了流場中各物理量的脈動特性,計算出ms的軸向水推力與模型試驗值大小相當;同時論證了對于下機架承重的混流式水輪發電機組可採用其推力軸承負荷作為水電站廠房振動的最大垂直激振荷載。The thesis had done the theories analysis in detail and built the relevant mathematics models aiming at the mechanics characteristic about the lodging of stalk, the elastic and plastic deform of stalk under the action of the transverse loads, the mechanics condition which causes stalk pushed, the relation between the speed of unit and the surface radius of ski, the relevant location between the thickness of the compressed stalk and action location of load, the relevant location between the mating device and plough, the coefficient of overturning soil under the thickness of the compressed stalk and so on. in addition, the computer aided analysis and simulating experiments in field were acted by choice
本文對秸稈自倒伏力學特性;橫向載荷作用下的莖稈彈塑性變形與秸稈被推倒的力學條件;機組作業速度與滑撬曲面半徑的關系;秸稈壓實厚度與加載作用點的相對位置;配套裝置與犁體相對位置;秸稈壓實厚度下的翻垡系數等,進行了較詳細的理論分析並建立了相關數學模型。在此基礎上,本項研究還選擇性地進行了計算機輔助分析和田間模擬試驗。This article describes a way of special ultrasonic system which monitors thermal stress in seamless welded rails. this monitoring system is a non destructive testing system, which adopts avr mcu and high - precise time chip processing as the core of it, and adopts the critically refracted longitudinal wave as the object of measuring. my studying focuses on the theory of the monitoring system, which will be listed in this arctile : according to the snell theory, the theory of motivating of critically refracted longitudinal wave is described in details, and the finite element software is used to emulate the propagating course. the formulas of calculating the pts of swr are taken from the acoustoelasticity theory, and the calculating the parameters is introduced. according to assemble materials, three kinds of ways of monitoring the pts of swr using critically refracted longitudinal wave are described, which are measuring the sound - time in changeless distance, ultrasonic critical - angle refractomery and frequency spectrum, the first way of ways is used in this experiment system. the factors, which effect the monitoring system, are assaid in some degree based
本文的研究工作重點在無縫焊接鋼軌溫度應力測量系統的理論模塊,包括根據snell原理,研究極限折射縱波的激發機理,並使用有限元軟體ansys進行模擬;根據聲彈性理論以及公式推導出計算無縫焊接鋼軌中的溫度應力的公式,並對其中參數的求解方法進行介紹;根據收集的資料,介紹了三種使用極限折射縱波測量無縫焊接鋼軌溫度應力的方法,即固定距離測量聲時法、臨界角折射法和頻譜分析法,本實驗系統使用的是第一種;根據實驗經驗以及相關資料,分析了影響極限折射縱波測量溫度應力的幾個因素,並提出了相應的解決方法;根據實驗系統的需要,獨立設計並加工出相關配套的實驗設備,包括實驗鋼塊、有機玻璃楔塊、固定件、載荷外框裝置等。In this section the author analyses the rules of the pile ultimate tip resistance and the shaft friction resistance distribution and their exertion of cast - in - place socketed piles instrumented with strainometers in soft muddy rock. the second aspect of the paper is the analysis on the current rock pile vertical bearing capacity in the four standards gb50007 - 2002, tb 10002. 5 - 99, jtj024 - 85 and jgj94 - 94, then the design method with correlated formula of socketed piles in xigeda - mudstone is given. at the end of this paper, based on the research of pressure grouting technique in recent years, and combined with in - site test result, this paper puts forward the design and calculation method to grouted pile in xigeda - mudstone and the principle of choosing grouting parameters, which provid es experiences for applying this technique and further studying
本論文結合省級科研項目「西攀高速公路昔格達組泥巖層中鉆孔樁提高承載力的研究」 ,所做的研究工作主要在以下三個方面:一是根據8根樁身內埋設量測元件試樁的單樁豎向靜載荷試驗資料,分析了各試驗樁特別是常規沖孔灌注嵌巖樁在昔格達泥巖中的軸向力、側摩阻和樁端阻力的分佈和發揮規律;二是在討論現行規范對嵌巖樁承載力的計算公式的基礎上,探討了在昔格達泥巖層中的沖孔灌注嵌巖樁的側摩阻和端阻的計算方法,並推薦了相應的計算公式;最後,在吸取近年來對灌注樁后注漿技術研究成果的基礎上,結合現場試驗研究結果,分析了該項技術在昔格達巖層中的應用效果,提出了相應的參數選取,從而為壓力灌漿技術的工程應用和進一步研究提供經驗,並為今後在該地層中合理選用樁型以及指導施工提供了依據。( 6 ) conclusion was obtained by the analyzing the mechanics environment and the stability of the lanslide on the right bank after the dam built : the value of the rock mass stress increased and the tensile stress region obviously reduced, the direction of the principal stress was unchangeable the dam and the landslide were stable under the dangerous condition ( the reservoir and at the same time the earthquake was viii ), but when the water lever suddenly fell and did not think of other force, safe factor evidently reduced, the dam and the landslide will be destroyed under the most dangerous condition ( the water lever suddenly fell and at the same time the earthquake was vi ) ; the stability of the landslide will be destroyed by the horizontal thrust under the most dangerous condition or ; the physical and mechanical parameter will be reduced due to long period filter, the landslide will be destroyed too
( 6 )建壩工程荷載條件下河谷巖體力學環境分析及右岸古滑坡體的穩定問題分析得出:建壩后河谷的巖體應力量值明顯增高,同時左岸的張應力區的范圍及量值明顯減小,主應力的方向依然與模型的底邊界垂直;大壩建成后逐漸蓄水階段以及同時考慮本區最強地震力的作用等各種不同的工況條件時,滑坡體及壩體總體上仍處于穩定狀態;水位驟降時,在未考慮其他外力作用的情況時,滑體的安全系數將顯著降低。若考慮水位驟降及本區最大地震力的共同作用,壩體將在滑坡體下滑推力的作用下產生破壞;建壩后水平推力對右岸古滑坡體穩定性的影響分析可以看出,在最危險的工況條件下,壩體及滑坡體也將處于臨界狀態;在長期滲透變形的作用下,由於滑帶的物理力學參數的降低而有可能導致壩體失穩破壞。Then, made use of software ansys to calculate the strength of a catamaran ferry structure, applied the formulae deduced in chapter 3, selected reasonable restraint form, in the whole ship computing result further verified the formula then on the base of a model of the whole ship, used fea to study the hull connecting structure with the limit of strength, deduced the useful assumption for after research
並將計算的重要環節連接橋單獨取出,進行專門的簡化模型推導,根據連接橋上與片體相連處節點的受力情況分析應力分佈規律,尋找合理的載荷施加方法,並根據實際情況對模型進行約束,使連接橋單獨計算的結果與全船計算相吻合,從而達到模擬全船的簡便計算的目的。In the formula, our experience in structural strength design and the experimental results are considered. and such factors are also considered as differences in materials of the skin and the reinforcer, effects of bending, torsion, stretching and offcenter of the reinforcer. furthermore, through post - buckling stress analysis of the skin, it is shown that even low stress level will result in buckling of the skin, but the skin still has loading capacity
在總結過去結構強度設計和試驗分析的基礎上,應用扁殼理論,在廣義力與廣義應變關系中考慮了蒙皮與加筋不同材料以及加筋的彎曲、扭轉、伸縮和偏心等的影響,推導出適合於工程應用的加筋殼結構軸壓屈曲臨界載荷的計算方法;並通過對薄壁結構蒙皮后屈曲應力分析,說明蒙皮在很低的應力水平時就出現失穩現象,但失穩后的蒙皮仍具有一定的承載能力。On the basis of the theory of thin shells and the non - moment assumption, the equations of motion of the cylindrical shells under longitudinal line - loading are derived in the case of ignoring the shearing stress, and then, the set of partial differential equations are solved by the fourier series method
基於薄殼理論和無矩假定,在略去剪切應力的情況下推導了圓柱殼在縱向線載荷作用下的運動方程,並採用fourier級數法進行了求解。After the two theories models were established using the ansys parametric design language, a finite element method analysis was completed on the application of the ansys software. the stress and the strain of the two kinds of round link connector were acquired. so a good predict of the break of them was made
運用apdl進行參數化設計,建立了兩種接鏈環的理論模型,利用大型通用有限元分析軟體ansys ,對其進行了分析,得到了不同試驗載荷下接鏈環的應力分佈,並推斷出它們的典型破壞形式。In the test, static - dynamic method is used to measure the stiffness, the eight stiffness coefficients of the radial part and the two stiffness coefficients of the thrust part can be obtained though loading slowly to the testing bearing which is in a equilibrium position
首先,對處于平衡位置的測試軸承分別沿水平方向、鉛垂方向及軸向緩慢施加載荷,根據靜動法原理求得各個轉速下測試軸承徑向部分內、外膜8個剛度系數以及推力部分內、外膜2個剛度系數。According to the fluctuating property of wind, on the stochastic vibration finite element theory, some calculation formulas of the response, including the along - wind response and the across - wind response, are obtained, the ideology of the torsion vibration in the double - tower structure and the ideology of the double - tower structure ' s dynamical wind load are also put forward at the same time. by using the stochastic vibration module of the general finite element program, the paper analyses the performance of the wind resistance more deeply and fully, discussing the influence on the double - tower structure from the diversification of the different component. the variance law of dynamic displacement and wind - induced vibration coefficient is derived through analyzing structure stochastic vibration, so is the effect of several parameters on dynamic displacement, acceleration and wind - induced vibration coefficient
從結構風振的基本理論出發,通過對脈動風功率譜的分析,推導了結構風振響應(順、橫風向)的計算公式,同時提出了雙塔結構的扭轉振動和動力風荷載計算的思想,在結合通用有限元程序的隨機振動模塊的情況下,對雙塔結構的抗風性能作了深入、全面研究,探討了雙塔結構構件截面的變化對其抗風性能的影響,同時探討了順風向風速譜的選取、風速、參與計算的振型數、風與結構耦合作用是否考慮等因素對分析結果的影響,比較了規范風振系數的計算與隨機演算法結構的異同,並討論了原因,得出一些有意義的結論。By establishing force equilibrium equations, a mechanical model for calculating the friction on the string is set up, and the analytical formulas for calculating the hook load and wellhead torque when the string is tripped in
通過建立管柱受力平衡方程,推導出水平井管柱入井時摩阻計算的力學模型,分析計算了在穩定和旋轉方式下管柱入井時的大鉤載荷和井口扭矩等重要技術參數的解析公式。All of these, including the argumentation of formula, the ship model building, load and restraint, and so on made references to the correlative criterions
以上工作,包括計算公式的推導、全船模型的建立以及載荷和約束的施加、連接橋單獨建模的受力分析的各項探討,為今後制定相應的規范提供了參考。Displacement method in structural mechanics and generalized grillage analogy method are combined to analyze skew support continuous curved t girder bridge, when calculating inner forces of a single curved beam, calculate its deformation, then at the base of basic principle of generalized grillage analogy, derivates calculating equations of load lateral distribution and inner forces of skew support continuous curved t girder bridge
對斜支承連續曲線t梁橋進行分析時,採用結構力學的位移法與廣義梁格法相結合,在求解單根曲線梁內力的同時,求得其變形,在此基礎上利用廣義梁格法基本原理,進行荷載橫向分佈及內力計算,推導出斜支承連續曲線t梁橋的內力與荷載橫向分佈計算公式。Utilizing the theory of magnetic charge, the model for computing the bearing capacity of permanent magnetic thrust bearing was established, and the influences of non - uniformity of magnet magnetization and soft magnetic material on the bearing capacity and rigidity of bearing were studied
運用磁荷理論建立了計算永磁推力軸承承載力模型,研究了磁鐵磁化不均性和軟磁材料對軸承承載力及剛度的影響。分享友人