振動應變計 的英文怎麼說

中文拼音 [zhèndòngyīngbiàn]
振動應變計 英文
vibration strain gauge
  • : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • 振動 : vibrate; vibration; vibrance; vibrancy; vibra; vibes; shaking; rumble; jitter; chatter; sway; jar...
  1. The anharmonic effect of atomic vibration taken into account and from the potential energy which reacts each other among atoms, boltzmann statistical principle used, the relation formula of temperature and the distance change between atoms and coefficient of linear expansion is derived

    摘要考慮原子的非簡諧效,從原子間相互作用勢能入手,運用玻爾茲曼統原理,推出了原子間距的化與溫度的關系式,並導出了固體的線脹系數。
  2. 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形的地基承載力問題進行了實用化的探討,提出了考慮地基形的地基承載力上程算方法;對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎(空間問題)的承載力界限荷載p _ ( 1 / 4 ) ,並與國內外土力學專著及地基基礎設規范中的條形基礎(平面問題)的界限荷載p _ ( 1 / 4 ) ,進行了對比,從而定量上解釋了目前設規范引用土力學承載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)承載力的測法進行了研究,為各類地基(包括巖基) ,匯總了力分析和檢測川的參數:針對日前巖土工程界用樁基設規范中的難點? ?樁端巖基承載力的確定問題,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算、土力學算及深斤載荷試驗四方面進行了深入討論;本文作者根據多年現場載荷試驗的工程實踐,對深井荷試驗裝置的核心部分? ?反力裝置,設了側壁支撐反力加載系統,該加載系統具有實用、簡便、穩定及安個等優點。
  3. Part 2 analyses beam landing shifts made by thermal deformations of a shadow mask and vibration of a new type of shadow mask - aperture grille. an automatic measurement system for cpt decolorization and a vibration measurement system for aperture grille are established. part 3 analyses the difference of perception and discrimination to color between the human eyes and ccd system, and develops a new method based on ccd technology to evaluate the screen white - balance

    主要內容分為三部分: ( 1 )分析著屏電子束分佈與電子槍、偏轉系統及蔭罩之間的關系,研製自測試裝置,為設和改進相關結構提供依據; ( 2 )分析蔭罩熱形和對顯示屏色純度影響,建立了色純漂移自測試裝置和張緊式蔭罩測試系統; ( 3 )分析了人眼與ccd對彩色刺激的不同響,建立了基於ccd的顯示器全屏色純均勻性測試方法。
  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

    採用型分解反譜法算結構內力時根據型參與系數選擇型避免漏選;大底盤多塔樓結構連接各塔樓的裙房屋面剛度做得大些,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、層間形減小,但易於滿足延性要求,在一定程度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,因此採取提高底盤承載力的措施的效果是有限度的,承載力系數s宜取為2 . 0 3 . 0之間。
  5. In the former, two computing modes of fem are built, aimed at the coupling of variable - profile pylon, curved - axis arch and flexible cable. the software algor feas is used to get the results of dynamic numerical analysis, such as natural vibration frequency, vibration mode, dynamic displacement, dynamic stress, which are compared with the results of shaking table test research to draw to important conclusions. these conclusions provide not only potent basis for the design and construction of nanjing century tower, but also reference for other pylon - cable - arch structures similar to the project

    態數值分析中,針對世紀塔截面的塔身,曲線軸線的拱以及柔性拉索相互耦合時清況,建立兩種有限元算模式,利用有限元軟體algorfeas得到力數值分析的結果,如:自頻率、型、位移、力等等,再和臺試驗研究成果作比較,得到一些重要的結論,從而為南京世紀塔工程的設和施工提供強有力的依據,而且為類以於世紀塔工程的其它塔-索-拱結構的設也提供一定的參考。
  6. Fist ly, use mass equivalent method to predigest the original rotor system. secondly, use transfer matrix arithmetic to have finished the relative program to calculate the critical speed of flexible multi - tray rotor bearing system by matlab language. thirdly. finish program the unbalance response using riccati - transfer matrix arithmetic and finity buck arithmetic. fourthly, answer to the high vibration of uncontroled system when cross the critical speed, come out to adopt changing clearance damper bearing to control the viberation

    本文對多柔盤轉子-支承系統的現象做了以下初步探索:用質量離散化方法把原轉子系統簡化;採用matlab語言編制了對傳遞矩陣法算多柔盤轉子-支承系統的臨界轉速;用matlab語言對riccati傳遞矩陣法和有限元法編制了程序算系統的不平衡響;並針對其過臨界轉速時較大的現象,提出採用間隙控制油膜剛度和阻尼,從而使原系統的在特定轉速(臨界轉速)的一段范圍內不平衡響減小;並從被控制與主控制兩方面進行數值模擬,取的了較好的控制效果。
  7. In this time, as a result of major development in computer technologies and fast fourier transform wider application, many frequency analyzer based on digital signal processing theory and multi - function signal analysis software occurred. which greatly strengthened analysis function to engineer vibration signal ' s time field and frequency field

    在這一時期,由於算機的快速發展以及快速傅立葉換的普遍用,各種基於數字信號處理原理的頻率分析儀以及多功能信號分析軟體出現,從而大大加強了對工程信號的時域及頻域分析功能。
  8. The effect of car body elastic vibration on the ride comfort is analyzed. the ride comfort and acceleration responses of the car system with rigid car body model or elastic car body model are studied and compared. finally by using ansys / ls - dyna software, the finite element impact models of car body with a rigid wall have been set up, then the displacement, velocity, acceleration and energy variation of the car body are analyzed and compared for before and after lightening cases under the condition of impact speed 5. 8m / s and 11. 8m / s

    本文利用ansys軟體建立了25k硬臥客車車體輕量化前後的有限元模型,算了車體的強度、剛度和模態,並對輕量化前後的車體作了對比分析;然後,用nucars力學分析軟體建立了25k硬臥客車系統的數學模型,分析了彈性對平穩性的影響,並對剛性車體和輕量化前後的彈性車體對平穩性和加速度響的影響作了對比分析;最後用ansys / ls - dyna軟體建立了25k硬臥客車車體輕量化前後的態顯式有限元模型,分別在5 . 8m / s和11 . 8m / s的速度下碰撞剛性墻,得到了車體的相對位移、速度、加速度和能量的化過程,並作了對比分析。
  9. In this paper, on the basis of the numerical analysis with the concept of equivalent soil mass with reinforcement and shake table model test, the calculation of high loess embankment with geogrid - reinforcement in highway is carried out under static loading, and the dynamic response of high reinforced sand - gravel embankment with grogrid - reinforcement in highway is tested under earthquake. the behaviors of loess embankment are indicated as the following : ? he stress and deformation varies with reinforcement design conditions and foundation types

    本文通過將土工合成材料與土體視為加筋等效土體的數值算方法和臺模型試驗,以加筋黃土高路堤和豎直擋板加筋砂礫土高路堤為研究對象,算分析了不同堤基上不同加筋設條件下黃土高路堤的靜力及化規律,試驗研究了不同加筋條件下砂礫土高路堤的力反特性。
  10. Generally ship lift structure is consisted of two or four huge reinforced concrete tube towers and a single - story machinery building on the top of tube towers. because the tube towers is demanded to support the large loads, the lateral stiffness of tube towers is a few hundred times as solid as that of the top machinery building and cause the sudden change of the stiffness. this change would cause insentive seismic whipping effect of the top building. the aseismic methods are difficultly used to reduce seismic responses of the top building of ship lift structure. the feasibility of develop an intelligent vibration control system is explored in the paper

    這樣,在塔柱頂部鋼筋混凝土平臺就會產生側移剛度的突。這種巨大的剛度突會引起升船機頂部廠房強烈的地震鞭梢效,使得升船機頂部廠房地震反的控制就成為升船結構抗震設中的關鍵問題之一。由於採用常規的結構控制方法難以較好地解決升船機頂部廠房地震鞭梢效,因此這就為智能控制技術的發展和用提供了可能。
  11. 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: 「高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,就滬蓉高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算模型,並把此兩模型用於場地的地震反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度進行了試驗研究;驗證了密實度是粉土液化的重要影響因素。
  12. Non linear static & dynamic finite element procedure is adopted for the true emulation of the four typical geologic profiles of the dam, and imitates to compute the each stage deformation and stress distribution from the dam fill to full water run and during the 7 degree seismic intensity, the article also imitates to compute the response to earthquake force, the excess vibration pore water pressure distribution and permanent deformation, predicting the occurrence possibility of the crac ^ plastic zone and earthquake liquefaction

    採用非線性靜、力有限元分析程序對圍壩的4個典型剖面進行了靜、力模擬模擬,模擬算了壩體自填築至蓄水運行和發生7地震各階段壩體及壩基的形以及力分佈,地震力響和地震引起的超靜孔隙水壓力分佈以及永久形。判斷了壩體和壩基中出現裂縫、塑性區以及地震液化的可能性。
  13. In this dissertation, the numerical computation for the acoustic radiation problem ( arp ) is studied deeply and systematically in the theory, method and the application technique, based on analyzing the situation of the home and abroad on the numerical computation for the acoustic radiation problem. the calculation formulas of the boundary element method ( bem ) for the exterior acoustic radiation problem in the full - space and half - space are deduced, based on the wave propagation theorem ; the arising of the non - unique solutions, which is associated with the application of the boundary integral equation ( bie ) in acoustic radiation problem, is analyzed and proofed ; the improved combined helmholtz integral equation formulation ( ichief ) is presented to overcome the non - uniqueness problem more effectively and reliably ; the determination of the singular integral coefficients on various occasions is analyzed ; the properties and treatments of the singular integrals with different orders axe studied ; the computation program of the cubic spline ichief is developed and its ability to overcome the non - uniqueness problem and feasibility to discrete the surface coarsely with the sufficient calculation precision are examined through examples

    第二章在聲波理論基礎上,詳細地推導出對于無限域和半無限域的外部聲輻射問題的邊界積分方程算公式;根據fredholm積分理論,對利用邊界積分方程聲輻射問題過程中解的非唯一性的產生進行了分析和證明;改進了chief法以提高其克服解的非唯一性的有效性和可靠性;對不同條件下奇性系數的算、強奇性積分的收斂性及其在量替換時與普通積分的差異性、不同階奇性積分的算、數值求積分等進行了研究;開發了三次樣條改進chief法算軟體,並通過算例考核了該方法在特徵波數處克服解的非唯一性的有效性和在保證算精度的前提下實現剖分粗化以提高算效率的可行性。
  14. When the frequency approaches zero, the factor approaches zero correspondingly ; 2 ) the amplitude of interaction factors changes with the incident angle of rayleigh waves and reaches maximum when is zero. moreover, with the increase of, the wave period shortens apparently ; ( 3 ) the amplitude of interaction factors decreases as the pile spacing increases and approaches to zero when the pile spacing is 15 ; 4 ) the amplitudes of interaction factors increase clearly with the increasing stiffness ratio of pile to soil ; 5 ) the lat eral seismic response of fixed - head pile groups is much smaller than that of free - head pile groups. moreover, the pile - group effects induced by rayleigh waves can be neglected ; 6 ) the lateral seismic response of piles at different location differs from each other

    得到了以下結論: 1 )樁的相互作用因子隨頻率呈周期性化,在頻率比較低的情況下,樁的橫向相互作用因子也較低,當頻率趨近於零時,相互作用因子也趨近於零; 2 )樁的相互作用因子的幅值隨瑞利波入射角度的化而化,在= 0情況下幅值最大,且隨入射角度的增加,波的周期明顯縮短; 3 )樁的相互作用因子的幅值隨著樁與樁間距的增加而減小,至s d = 15時,樁的相互作用因子基本趨近於0 ; 4 )在頻率比較低時,相互作用因子幅值隨樁土相對剛度比的增加而顯著增加; 5 )樁頂固接可以有效地降低群樁的橫向地震響幅值,由瑞利波產生的群樁效可以忽略不; 6 )群樁中不同樁位的樁的橫向地震響是不同的,每根樁所在的樁位對其橫向地震響有很大的影響;刀樁數的增加並不能減小樁的橫向力響
  15. Thirdly, in term of the results of testing and calculation, the displacement and libration, the difference of altitude, the flexibility and strain of crane - beams are all generally analysed, especially the reason why the crane - beams are attaint is lucubrated, and the reasons why the trigging pole is ruptured, the upper wingspan is damaged, the orbital movement, the exceptional incline of colums are open out, which has instructional significances that improve the design of the steel frame of the coke made by dry flameout

    第三,根據檢測和算結果,對鋼框架的位移和、框架高差、吊車梁撓度和等進行了全面的分析,特別對吊車梁系統的損傷原因進行了深入分析,揭示了制桿件斷裂、上翼緣磨損、軌道竄、柱異常傾斜等一系列損傷現象的原因,對于改進干熄焦鋼框架的設有著直接的指導意義。
  16. Then, taking into account the effect of the compression of the approach roadway and the differential slope of the bridge slab, the author analyzes the dynamic response of man - vehicle - road system when the vehicle approaches and leaves the bridge by means of laplace transform, the curve of man ' s acceleration versus time, the vertical force between the vehicle and road versus time, the man ' s maximum transient vibration value and the maximum force between the vehicle and road are got, and the program about the calculating progress above are edited. based on the analysis above, the influence on the maximum transient vibration value of some parameters about the vehicle and road such as the movement direction and speed and weight of the vehicle, the differential slope of the bridge slab and the length of the approach slab, are studied, and some conclusion are given

    分上橋和下橋兩種情況,考慮車路耦合和橋面沉降坡差的影響,對車輛通過設和不設搭板的路橋過渡段時「人?車?路」系統的相互作用用拉普拉斯換法進行了力響分析,得到了人的加速度及路面對車的垂直作用力隨時間的化曲線、人的加速度最大瞬態值和路面對車的最大作用力,分析了車輛的行進方向、速度和載重,橋面沉降坡差和搭板長度等車和路各參數對算結果的影響,並編制了相算程序。
  17. Firstly, the strain gauge method was used to measure the time difference of stress wave passing through two gauges adhered on the surface of test piece and also their main frequencies secondly, a 3 - component dynamometer was used to measure the resonant frequency of timber six kinds of full size timber were used for test

    本研究旨在研發兩種新的力波測技術,其一為利用規來測定兩標點間之力波傳遞時間差及試材之共頻率,藉以算試材之音速及彈性系數,其二為利用三向來測定試材之共頻率。
  18. 2. when the test is going along, the connection between the output of the test system and computer is broke off while the state of the test system is changing, so it is difficult to ensure the same precision of stochastic waveform reappearance of the test system output

    進入試驗運行后,算機輸出的控制信號與設備響之間的關系便成了開環,由於試驗臺或被試對象的狀態在試驗過程中會發生化,所以難以保證被控系統按同樣的精度再現給定的隨機物理量。
  19. On the basis of kineto - elastodynamics ( ked ), modern control theory and neural networks ( nn ), this dissertation studies, in a systematic way, the theory and the methods of the nn based active vibration control of flexible linkage mechanisms whose flexible links are incorporated with piezoceramic actuators and strain gauge sensors

    本文首次將機構運彈性力學、現代控制論及神經網路理論相結合,以具有壓電陶瓷作器與電阻傳感器的平面彈性連桿機構為研究對象,系統地開展了基於神經網路的彈性連桿機構控制的理論、方法與實驗研究。
  20. This nsms ( nonin terference stress - measurement system ) method is an alternative to the strain gauge for moni toring rotor blade vibration

    此方法將在葉片的檢測中取代式檢測裝置。
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