穩定振動 的英文怎麼說
中文拼音 [wěndìngzhèndòng]
穩定振動
英文
stable vibration- 穩 : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
- 定 : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
- 振 : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
- 穩定 : 1 (使穩定) stabilize; steady 2 (穩固安定) stable; steady 3 (物質的性能不易改變的作用) stabi...
- 振動 : vibrate; vibration; vibrance; vibrancy; vibra; vibes; shaking; rumble; jitter; chatter; sway; jar...
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Damping wakes possible finite steady-state vibration amplitude at resonance.
在共振時,阻尼可能限制穩定振動的振幅。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載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載力上程計算方法;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計規范中的條形基礎(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計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)承載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計算、土力學計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,設計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。So this base isolation technique has profound prospects. unfortunately there exist definite difficulties in the calculation because of the nonlinear of the base friction force. now, both the equivalent damping method and the numerical calculatin of the vibration response of the base - isolated buildings are frequently used in the calculation of the seismic response of the base - isolated building. however both of them have certain drawbacks. in this paper, the response of the building with base - isolation system is derived by the method of fourier expansion for the friction force and the earthquake response. at the same time, the sliding vibration character of inertia of a single mass structure and the sliding vibration response of a muti - mass structure are discussed. the stable condition of the sliding base isolation system of a structure is given. in the end, two circes of base fixation and base sliding are analyzed by adopting ansys
本文利用對摩擦力和地震響應進行付氏級數展開的方法導出了基底具有摩擦隔震系統的地震反應。同時,文中從研究單質點結構的滑動振動慣性力入手,進而對多質點結構體系滑動振動反應進行探討,分別給出了結構滑動隔震的自身穩定條件。最後,本文利用ansys對基礎固定和基礎滑移隔震兩種工況進行了動力模擬模擬分析,進一步證實了基礎滑移隔規律。Many large capacity turbine runners in commercial running have come to cracks or vibration problems with different extent in china. therefore, to ensure the large francis turbines running safely and stably is an important issue on design and type selection research
在我國陸續投運的大型水輪機轉輪相繼不同程度地出現振動與裂紋,因此,保證大型混流式水輪機的安全穩定運行就成為設計選型研究的重要問題。The dynamics model is made up to numerically study the movement caused by the friction drive principle. then, the movement is divided into basic vibration state and micro vibration when the state changes according to the simulation to demonstrate the cause of the movement of friction drive
在實現模擬的基礎上,利用非線性振動力學,將摩擦力驅動原理的驅動過程劃分為基本振動與狀態切換非穩定振動階段,論證了微操作球出現的典型運動現象產生原因。In the end, the stability is discussed under the coulomb friction model, getting the normal force compensation method and the additive vibration control method, which are to stabilize the friction drive system to realize the controllability and stability, which is simple to realize in the micro manipulator
並通過對coulomb摩擦模型的穩定性討論,得出正壓力補償控製法,即以穩定摩擦力驅動摩擦振子實現微操作手運動的可控性及穩定性的方法分析。通過數值方法驗證正壓力補償控製法的適用性,為微操作器的運動控制提出可行方法。Through optimizing design to fulfill strong steel structure, and to ensure the machine weaving abb with high speed, strong power and small libration
通過優化設計而實現的高鋼性機架構造,保證了織機高速、強勁、低振動的穩定打緯。Forging hammer is an important device, which is used to forge roughcast in machine shops. when forging hammer works, violent vibration produces, so the precise instruments and equipment around ca n ' t run normally, the stability and longevity of the workshop structure may lower, furthermore, the health of people hurts. the damping to forging hammer foundation is all through the ages a hot question for discussion
鍛錘是機械工廠中一種對毛坯進行鍛造加工的重要設備,但鍛錘工作時產生的極大振動,不僅嚴重影響周圍精密儀器、設備正常運行,降低廠房建築結構的穩定性及其使用壽命,而且是一種危害人體健康的工業公害,因而鍛錘隔振歷來是一個熱門研究課題。Secondly, nonlinear threshold of two - dimensional rt instability was analyzed in planar and cylindrical and spherical geometries. density amplitude was defined relating to instable interface and formulae of nonlinear threshold values for rt instability in three geometries were given, then the lared - s code was used to simulate two - dimensional rt instability in three geometries and simulation results agreed well with the formulae
其次,討論了二維平面、柱和球幾何中rt不穩定性發生非線性偏離的閾值問題,給出了三種幾何中密度擾動振幅的非線性閉值公式,並且用lared一s程序進行了檢驗,計算結果表明柱和球幾何中的模藕合機制與平面幾何不同,存在幾何效應的影響。Small amplitude approximation and dynamic stabilities of a strained superlattice
小振幅近似與形變超晶格系統的動力學穩定性The nonlinear electromagnetic force may cause the large oscillations of the rotor in some parameter regions. thus, the studies on the properties of the nonlinear dynamics and the stability for the rotor - ambs system play an important role in the engineering
非線性力的作用使轉子在某些參數域中產生相當大的振動,因此分析該類系統的非線性振動特性和穩定性一直是電磁軸承-轉子動力學研究的重要課題。At large attack angle the frequency of the vortex has n ' t a apparent zone of " lock - in ". the fluid - induced vibration at large attack angle belongs to the stable dynamic response problems. but a sudden skip of amplitude will occur at large inlet velocity
在大攻角下分離渦脫落的頻率沒有一個明顯的頻率鎖定區域,流體振動屬于穩定的動力響應問題,但在大來流速度下會出現振幅突跳的現象。The shearing layer is carried by the jet and the eddy is formed because of the instability and selective amplification of shearing layer which will propagate to the downstream. as the eddy impacts the impinging wall, a wave of pressure disturbance with certain frequency is induced. this wave then propagates to the upstream with high speed, and results in the overlap and amplification of the waves when the frequencies of them are close with each other
當前噴嘴流束中的不穩定擾動波在穿過腔內的剪切層時,剪切層對其有選擇放大作用,形成渦環結構,剪切流動中渦環與碰撞壁撞擊,在碰撞區域產生壓力擾動波並向上游反射,在上游剪切層分離處誘發新的擾動的產生,當新擾動與原擾動匹配時,射流上游就被不斷地受到周期性激勵,腔內就產生流體自激振蕩並在後噴嘴出口形成脈沖射流。Application of proc tabulate in new medicine research report
幀測量調制傳遞函數值確定振動受激焦平面列陣相機的穩定精度Surge phenomenon is an instability flowing condition when centrifugal compressor working at low flux, it can make the compressor shut down, the production process interrupted, then bring us the loss of economy. further more, it can damage the compressor, make it broken and can even hurt people
喘振現象是離心壓縮機工作在小流量時的不穩定流動狀態,它的出現輕則使壓縮機停機,中斷生產過程造成經濟損失;重則造成壓縮機葉片損壞,引起壓縮機設備報廢甚至造成人員傷害。This machine employs vibration motor driving gears, which ensures stable operation, sturdy and reliable work, steady performance and low vibration and noise. there ' s no powder and it is easy to operate and to provide maintenance to it
本機採用振動電機傳動機構,運轉平穩,牢固可靠,工藝性能穩定,振動小噪聲小,無粉塵外溢,及操作維修方便。Secondly, this paper develops a coupled model between ice and structure after knowing the constitutive behavior of sea ice ; focus on the effects of wing cracks to the coupled vibration. and the stability of steady state vibration is also discussed qualitatively
把冰激直立結構穩態振動定性為由於海冰的非線性力學性質導致的非線性振動,證實了穩態自激現象的存在,提出了海冰的微裂紋損傷行為在穩態自激振動中起到控製作用。In order to discuss profoundly, main opinions on this topic is listed and their rationality and applicability is discussed, especially on whether it can be used to explain the lock - in phenomenon
總結了國內外現有的冰激結構振動觀點,分別指出其局限性,尤其關注其模型能否解釋穩態振動的產生和鎖定。The results in the study and experiments about vdw indicate that it has stable dynamic performance and powerful dissipation energy capability ; on the other hand, the result of calculation also shows that it can reduce vibration responses of structure effectively. it is obvious that vdw is a kind of energy dissipation device with perfect performance and application prospect as well
實驗表明,粘滯阻尼墻具有穩定的動力性能和很強的耗能能力;計算分析實例也說明粘滯阻尼墻可以有效地降低結構的振動反應,是一種性能優越、運用前景廣泛的消能減振裝置。Unstable vibrations of a steel cable in water - gate system
水閘鋼拉索的不穩定振動分析分享友人