高度振動型 的英文怎麼說

中文拼音 [gāozhèndòngxíng]
高度振動型 英文
height mode
  • : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
  • 高度 : altitudeheightelevation
  • 振動 : vibrate; vibration; vibrance; vibrancy; vibra; vibes; shaking; rumble; jitter; chatter; sway; jar...
  1. It shows that the modal shape and mode frequency are highly coupled with the viv response of a marine riser with low mass ratio

    該模的計算結果表明,立管的模態、模態頻率與渦激響應耦合,並且對于低質量比的情況尤為明顯。
  2. A theory annoyance model for structural vibration serviceability design is proposed in this research on the basis of structural dynamics, reliability theory and psychophysiology methods. the aim of the research is to propose a newly quantified annoyance method to replace the commonly used semi - quantified method for vibration serviceability design

    本文結合結構力學,可靠理論和心理物理學,提出了基於煩惱率的結構舒適設計理論模,其目的是使工程結構舒適的設計方法從原來的半定量設計階段提到定量設計、可靠設計和優化設計階段。
  3. Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account

    依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模,對中國古代木結構中的典構造如:柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化分析和實驗研究: (一)通過木柱石礎靜摩擦試驗,測定了柱腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結構荷載變化的規律; (二)通過單柱承載力試驗,測定了古建築中木柱的受力變形特徵、破壞模式、及模材料的變形模量、極限承載力、極限變形等參量; (三)通過柱架低周反復荷載試驗,測定了柱架的抗側移剛、柱架恢復力特性及滯回曲線、榫卯張角剛及其變化規律、柱架及榫卯的極限承載力和極限變形、及榫卯減參數; (四)通過斗?低周反復荷載試驗和受壓試驗,測定了古建築木構件與木構件間摩擦系數,斗?抗側移剛,斗?恢復力特性及滯回曲線,斗?抗壓極限承載力及受力變形規律; (五)通過抬梁式殿堂間架模臺試驗,測定了殿堂木構架結構自周期,地震反應形、阻尼特性及阻尼比;按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量,對柱根滑移、榫卯變形、斗?的變形、復位、耗能減參數等進行了定量分析。
  4. The number of modes should be selected according to the participant coefficient of mode when calculating the internal force by the response spectrum method ; ( 4 ) the roof plate of large base which connect the towers together should be thick enough but not exceeding the proper scope that the towers and the large base can vibrate together, ( 5 ) in structures with large base and muti - towers, with increasing of the capacity of the large base, the inter - story shear force will increase while the inter - story displacement will decrease as to fulfill the ductility request to avoid the large base becoming weak story, but meanwhile, the upper story will turn into weak story, thus the coefficient r s should be within 2. 0 ~ 3. 0

    採用分解反應譜法計算結構內力時應根據參與系數選擇避免漏選;大底盤多塔樓結構連接各塔樓的裙房屋面剛應做得大些,以保證底部裙房與上部塔樓共同,但也不能過剛;大底盤多塔樓結構底盤承載力的加強將使底盤層剪力增大、層間變形減小,但易於滿足延性要求,在一定程上可避免底盤成為薄弱層。但底部加強會導致薄弱層的上移,因此採取提底盤承載力的措施的效果是有限的,承載力系數s宜取為2 . 0 3 . 0之間。
  5. The aerothermoelastic analysis of missile structure includes the thermal stiffness, thermal vibration and thermal flutter analysis. this dissertation emphasizes on thermal vibration analysis of the aerial vehicle under aerodynamic heat condition

    本文研究背景是彈體這類典結構在速飛行情況下,由於氣加熱引起的溫對結構氣熱彈性分析,包括熱剛、熱問題的研究。
  6. In this paper, the author combines the theory analysis with the experiment research method, and discusses the seismic behaviours, 3d elaborate finite element analysis and simplified model analysis of a kind of multi - function tall building - " sub - shearwall supported by frame ", which is applied widely today. the main contents are as follows : in order to observe the failure process and the earthquake response of the complex structure, and to analysis the seismic behaviour of the structural system and structural members, a 1 / 20 cement mortor model of a complex tall - building which is about to be built was producted and the shaking table test of this model under 26 sorts of earthquake loads was made. using sap2000 finite element analysis program, a 3d analysis model was built in computer, and the elastic time - history analysis of the model was done

    本文採用理論分析和試驗研究相結合的方法,研究了目前應用較多的綜合性大廈? ?框支分區剪力墻層商住樓的抗震性能及空間精細分析和簡化分析方法,主要內容為以下幾方面:對一擬建的復雜層建築結構,採用1 20比例的空間整體模,進行了26種工況下的模擬地震臺試驗,觀察了結構的破壞過程和地震反應,分析了結構及構件的抗震性能;建立了結構的精細空間模,利用sap2000n大有限元分析程序對結構進行了彈性時程分析;通過有限元分析與試驗結果的對比,對結構的抗震性能和抗震能力做出綜合評價,認為該結構由於轉換層上部去掉部分樓板,既可滿足建築設計的通風、採光等要求,又可達到協調結構轉換層上、下樓層抗側剛的效果,是一種較理想的有多道抗震防線的結構式。
  7. Quartz tuning fork gyroscope is a new kind of micro - mechanical vibratory angular rate sensor. as it has so many advantages such as low cost, small size, high reliability, long life and the ability to survive in harsh environment, its applications in both military and civil field are expanding. moreover the development of multiplex inertia measuring units ( mimu ), which use micro - mechanical gyros as hardcore, is thriving and prosperous

    石英音叉微機械陀螺是一種新的微機械角速傳感器,由於其具有成本低、尺寸小、可靠性、壽命長,又能在惡劣環境中工作的獨特優點,逐漸在軍事運用和商業應用方面顯示了廣闊的前景,以微陀螺為核心部件的微慣性測量組合( mimu )的發展也日益蓬勃。
  8. After plenty of practices, it is discovered that the main factor that lowers the part precision and accelerates the aging of parts is the vibration caused by the inertia force of extrusion head in high speed scanning movement

    作者通過大量的mem工藝實踐發現,噴頭做速掃描運時產生的慣性力對機架的沖擊及相應引起的劇烈是降低造、加速設備老化的主要因素。
  9. Based on the foundation " liquefaction test study on the rapid railroad bed " supported by the railway department, some works on the liquefaction of silty soils have been carried out. in this dissertation, after making a short review of the works on seismically induced soil liquefaction, some research results are presented, which include the following contents. ( 1 ) depending on the dynamic triaxial test, the liquefaction strength of the silty soils is studied and two new models are proposed to evaluate the pore water pressure and the strain of the saturated silty soils during earthquake

    結合鐵道部發展基金項目: 「速鐵道液化土地基試驗測試研究」 ,本論文概括總結了地震液化的研究現狀,就滬蓉速鐵路徐州段可液化場地粉土地基的液化特性問題開展了一些研究工作,內容如下: ( 1 )提出了基於實用目的的粉土的孔隙水壓力增長模式和永久應變勢計算模,並把此兩模應用於場地的地震反應分析和地震液化性能的評價中;依靠循環三軸試驗技術,對粉土地基的地震液化強進行了試驗研究;驗證了密實是粉土液化的重要影響因素。
  10. In addition, instead of portal brake of j93 - 1000b model, the brake device of j93 - 1000c changes into rushing board brake, thus the dependability of braking is consumedly advanced, being convenient to adjust, and the rigidity strengthening of plate design reduces the vibration noises during the working of press. with cast steel as the material of slide, slide weight of j93 - 1000c model is increased 1 thousand kgs than j93 - 1000b model with nodular cast iron as material. plus that the width from front and back of frame upright post of j93 - 1000b model is 750mm, while its 1000mm for j53 - 1000c model, increasing 250mm than the former

    J93 - 1000c螺桿螺母螺旋副使用壽命及螺桿的剛也增加剎車裝置由原j93 - 1000b門剎車改為j93 - 1000c推板式剎車,制可靠性大大提,而且便於調整,平臺設計剛增強降低了壓力機工作中的噪聲j93 - 1000c滑塊支背材質鑄鋼j93 - 1000b的為球墨鑄鐵而且j93 - 1000c滑塊重量比j93 - 1000b增加1000公斤, j93 - 1000c機架立柱前後寬1000毫米比j93 - 1000b機架立柱前後寬750毫米增加250毫米, j93 - 1000c機身重46 . 8噸, j93 - 1000b整體機身重38 . 5噸。
  11. In addition, instead of portal brake of j53 - 1000b model, the brake device of j53 - 1000c altered into rushing board brake, thus the dependability of braking is consumedly advanced, being convenient to adjust, and the rigidity strengthening of plate design reduces the vibration noise during the working of press. with cast steel as material of slide, slide weight of j53 - 1000c model is increased 1 thousand kgs than j53 - 1000b model with nodular cast iron as material. plus that the width from front and back of frame upright post of j53 - 1000b model is 750mm, while its 1000mm for j53 - 1000c model, increasing 250mm than the former

    J53 - 1000c螺桿螺母螺旋副使用壽命及螺桿的剛也增加剎車裝置由原j53 - 1000b門剎車改為j53 - 1000c推板式剎車,制可靠性大大提,而且便於調整,平臺設計剛增強降低了壓力機工作中的噪聲j53 - 1000c滑塊支背材質鑄鋼j53 - 1000b的為球墨鑄鐵而且j53 - 1000c滑塊重量比j53 - 1000b增加1000公斤, j53 - 1000c機架立柱前後寬1000毫米比j53 - 1000b機架立柱前後寬750毫米增加250毫米, j53 - 1000c機身重46 . 8噸, j53 - 1000b整體機身重38 . 5噸。
  12. Tower crane has following characteristics : discontinuous working, starting & braking frequently ; there are noticeable vibration and impulsion in running ; high lifting height and extend rang, heavy lifting moment, etc. with the advent of more and more high - rise and large - scale buildings, requirements for the efficiency, lifting height, lifting moment, and safety features are becoming higher and higher

    塔式起重機具有下述工作特點:斷續工作、頻繁啟、制;運行過程中有明顯的和沖擊;起升和工作幅較大,起重力矩大。隨著社會中各類層建築和大工程的出現,使其對塔機的工作效率、起升、起重力矩和安全性等工作性能提出了更的要求。
  13. As a result of the heightening of mechanical operation speed and the application of new materials and new structures, the nonlinear dynamic behavior in rotating machines is becoming increasingly outstanding and important. nonlinear dynamic phenomena in rotating machines cant be described, explained and predicted by rotordynamics based on linear system theory. along with the deepening and permeating of nonlinear scientific research, the nonlinear vibration of rotor systems has become an attractive field in recent years. from a point of view to set up the distinct corresponding relations between vibration states and failures of rotating machines, main advances in the research of rotor nonlinear vibration are summarized, and typical nonlinear dynamic phenomena and their forming mechanism are also summed up in the paper. the aim of the paper is to enrich the diagnostic knowledge base of rotating machines. 55refs

    由於機械運轉速的不斷提和新材料、新結構的推廣應用,旋轉機械的非線性力學行為日顯突出和重要.基於線性系統原理的轉子力學理論與方法難以對實踐中出現的豐富的非線性力學現象作出準確的描述、闡釋和預測.近年來,隨著非線性科學研究的深入和滲透,轉子系統非線性已成為應用力學和機械工程領域的研究熱點之一.從有利於建立旋轉機械狀態集與故障集之間的映射關系出發,綜述了近年來轉子系統非線性研究的主要進展,總結了轉子系統中出現的典非線性力現象及其產生機理,目的在於豐富旋轉機械故障診斷知識庫.參55
  14. The flowfields around the reentry blunt body are simulated numerically by solving the navier - stokes with the various thermal and chemical model, such as perfect gas model, vibrational excitation model, equilibrium gas model, and the non - equilibrium gas model of one temperature, two temperature and three temperature

    本文採用完全氣體模激發氣體模、平衡氣體模、一溫非平衡氣體模、兩溫非平衡氣體模和三溫非平衡氣體模進行了鈍體超聲速繞流流場的數值計算。
  15. A study on the proposed scanlan linearity has discovered that if the self - excited loads and movement of the model and velocity constitute a linear relationship, and the model vibration accounts for a sine function of the frequency, the rate of the high - order harmonic waves should be quite small

    考查了scanlan的線性假定:如果自激力與模的位移、速成線性關系,模是某一頻率的正弦函數,那麼相應的自激力也應是這一頻率的正弦函數,次諧波的分量應極小。
  16. ( 三 ) under the dynamic load of the explosion, the numeric analysis has been done and achieve the rule as follow : ( 1 ) when the frequency of vibration is 0. 3hz, the acceleration of the slopes top gets the maximum ; so 0. 3hz is believed the natural frequency of the slope as a whole ; ( 2 ) the vibration of explosion can been magnified because of the condition of the landform, when the relative altitude is up to 45m, the acceleration of horizon gets the maximum ; when the relative altitude is up to 100m, the absolute value of acceleration and the deformation of horizon is larger than that in the bottom of the slope ; ( 3 ) in the period of forced vibration, at the top of the slope, the acceleration of horizon become larger and larger ; at the middle part of the slope, it becomes smaller ; ( 4 ) when the explosion velocity of is much little, the shallow part destruction is the primary deformation of the slope

    (三)採用模態疊加法針對爆破力作用,進行邊坡的力響應分析,得出了以下結論: ( 1 )頻率為0 . 3hz時,坡面頂部水平向加速峰值最大;綜合考慮,可認為該邊坡的自頻率為0 . 3hz左右; ( 2 )地形對爆破地存在放大作用,研究剖面的坡面,水平向加速及位移在地形相對差45米左右最大,而後隨相對差的增而減小,相對差為100米時,水平向位移及加速絕對值均大於坡腳; ( 3 )強迫段,水平向加速值隨時間變化的規律為:坡頂節點總的變化趨勢是越來越大,而坡體中部節點的變化趨勢是越來越小; ( 4 )當爆破速較小時,變形破壞的形式表現為坡頂表面滑塌
  17. Abstract : the crystal structures obtained by static solidification and vibration solidification were compared. it was showed that, in the case of vibration solidification, the orientation growth of the columnar crystal was not obvious, the equiaxial crystal appeared more early. the grains of both types of crystals were quite fine, hardness in the full section was relatively high, and the hardness distribution was uniform. in the former case, the solute segregation in dendritical austenite more severe, and there were lumps of distortion inclusion

    文摘:對球鐵金屬靜凝固與凝固的結晶組織對比表明:後者柱狀晶方向性生長較弱,等軸晶出現較早,且兩者的晶粒均較細,全斷面硬且分佈均勻;前者枝晶奧氏體內溶質偏析大,有畸變夾雜團塊。
  18. A open - close mathematic model is introduced into calculation of torsional vibration. results show : kurtosisness and high harmonic will increase when crankshaft have crack. 5. cylinder score is also diagnosed by torsional vibration in this paper, when cylinder score occurring, the friction of piston will decrease the action of air pressure

    本文借鑒了裂紋轉子剛的開閉模,首次對含有變剛單元的柴油機力裝置進行了扭計算,結果表明柴油機曲軸有裂紋后,扭的角位移和附加力矩的諧次分量會增加,峭值增加。
  19. By means of trigonometrical progression method and the mainline track spectrum, the sample function of the chinese mainline railway track random geometric irregularity is simulated. with the data obtained from track geometry inspection car on qinhuangdao - shenyang special line for passenger transport and arma time series model, the sample function of high - speed railway track random geometric irregularity are simulated. based on existing literature, the artificial bogie crawl waves at various different speeds are randomly simulated

    根據我國干線鐵路軌道譜,採用三角級數法模擬出干線鐵路和準速鐵路軌道不平順的樣本函數;根據秦沈客運專線速試驗段軌檢車資料,採用arma時間序列模模擬了速鐵路軌道不平順隨機樣本函數;在既有研究資料的基礎上模擬出各種速客車構架人工蛇行波;用隨機變量描述道床橫向剛,並進行了隨機模擬;將理論和穩定理論結合建立系統的分析模和運方程;根據monte ? carlo法編制了車輛?軌道耦合系統隨機分析程序,進行了無縫線路隨機力響應分析,通過試驗對計算模、計算方法進行了驗證。
  20. A state space model for parts of non - linear oscillation systems is put forward, and the concealed analytical solution for the systems is deduced. a numerical calculation method is presented and the calculation precision is improved greatly through using iterative method. finally the presented numerical method is extended to solve differential equations with complex stiffness matrix

    導出了一類非線性系統的狀態空間模,在此模中給出了非線性系統的隱式解析解,提出了相應的數值計算方法,並利用迭代法有效地提了計算精,最後將該數值方法推廣應用到復剛方程的數值求解計算中。
分享友人