瞬態響應分析 的英文怎麼說
中文拼音 [shùntàixiǎngyīngfēnxī]
瞬態響應分析
英文
instantaneous response analysis- 瞬 : Ⅰ名詞(眼珠一動; 一眨眼) wink; twinkling Ⅱ動詞(眨眼) wink
- 態 : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
- 應 : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 析 : Ⅰ動詞1. (分開; 散開) divide; separate 2. (分析) analyse; dissect; resolve Ⅱ名詞(姓氏) a surname
- 瞬態 : transient; instantaneous condition; transient state
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Introducing the theory and application of boundary element method on the sound radiation, giving the process of solving vibration noise radiation problem using boundary element analysis software ; presenting the coupling theory and the combination analysis of finite element method and boundary element method, and doing relevant analysis based on close drum shell ; programming the noise data simulation program using the numerical calculation software, simulating the acoustic and pressure data of a key point in the transient response acoustic field of the close drum shell, realizing the audibility of the noise, using the virtual reality tools to simulate the vibration noise of the drum shell ; combining the finite element method and boundary element method to analyze the vibration noise radiation of some gear box, and completing the whole simulation process of the vibration noise of the gear box
綜合介紹了邊界元法在聲輻射問題上的理論及應用;並給出了運用邊界元法分析軟體求解振動聲輻射問題的過程。闡述了有限元法和邊界元法的耦合理論及組合分析方法,並以封閉鼓形薄殼為分析對象進行了相應的分析。利用數字計算軟體編制了噪聲數據模擬程序,並模擬了通過組合方法分析封閉鼓形薄殼瞬態響應聲場而獲得一關鍵點的聲壓數據,實現聲音的可聽化,隨后通過虛擬現實工具實現了該情形下橢球殼振動噪聲的虛擬模擬。Second, adopting the linearity of oil film of the guide bearings, the transient response of the shafts is computed and analysis by integrating with willson method. because of the uncertain position of the shafts in the guide bearing, the model and solution method of nonlinear transient response of the shafts is discussed
然後結合willson數值積分法,採用線性化油膜力,對機組軸系的線性瞬態響應進行了計算分析,根據機組軸系在瞬態響應中運動的不確定性,給出了由導軸承油膜力非線性所引起的主軸系統的非線性瞬態響應的建模及求解方法。Then the dynamic behavior analysis and harmonically excited transient response analysis are conducted. the time increment method achieves the nonlinear discretized dynamic equations
接著進行了懸索的動力特性分析和簡諧激振的瞬態響應分析,利用增量法實現了離散化的非線性動力方程組的迭代求解。According to the theory analysis and engineering practice, the application of natural vibration features in bridge inspection is introduced. during the transient dynamic analysis of pubugou cfst arch bridge, the time history responses of the structure under uniform velocity moving load and impact load are analyzed, and the amplification coefficients of deflection and internal forces of the structure are intensively analyzed
在瀑布溝大橋的瞬態動力分析中,模擬分析了當移動荷載以不同速度通過橋面時的時間歷程動力響應以及在沖擊荷載作用下橋跨結構的時間歷程動力響應,並對橋跨結構在移動荷載和沖擊荷載作用下的動力放大系數作了較為詳細的分析。The major research areas of a ship against non - contact underwater explosion include four sectors, namely, ( 1 ) the characteristics of fluid field disturbed by an underwater explosion ( loadings of underwater explosion ) ; ( 2 ) the analysis of transient fluid - structure interactions, and the corresponding dynamic responses of the ship ; ( 3 ) safety assessment of the ship structure undertaking the elastic - plastic dynamic responses ; and ( 4 ) determination of the shock environment imposed on the shipboard equipments, and evaluation of shock protection design
即非接觸水下爆炸的流場特徵(水下爆炸載荷) 、瞬態流場與結構相互作用所決定的艦船動響應分析方法、以彈塑性動變形響應分析為依據的艦船結構水下爆炸安全性評估與防護技術、以船體結構動響應為輸入條件的船用設備沖擊環境的確定方法及相應的設備抗沖擊設計分析方法。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變換法進行了動力響應分析,得到了人的加速度及路面對車的垂直作用力隨時間的變化曲線、人的加速度最大瞬態振動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計算結果的影響,並編制了相應的計算程序。That test part of the software is primarily used to complete the test of some parameters, such as time base, time - expand, time interval, voltage interval, vertical, stable state, transient state and scanning linearity. the result of the test needs to be analyzed and judged. clear user interface and timely warnings for mistakes of testing process inside because of the user ' s fault operating make whole test process more easier than it did on a time
該軟體的測試部分主要用於完成對示波器掃描時間系數、擴展掃描時間系數、 t時間測量、 v電壓測量、垂直偏轉系數、頻帶寬度、校準信號、脈沖瞬態響應、掃描線性誤差時等參數的測試檢定任務,並對測試結果進行及時的分析和判斷,由於界面清晰,而且對測試過程中由於用戶的誤操作都有及時的錯誤提示,使得整個測試過程簡單易行,對于用戶來講掌握起來也更為方便些。A static and a transient analysis of an embedded crack in a long elastic strip are carried out. the results are approximate to the ones that existed. and the effects of the factors including the crack configuration, the crack depth, the strip length and the strip thickness on the transient response are discussed
對含內埋橢圓裂紋的板條進行了靜態和瞬態分析,得到的結果與已有的解吻合良好,對影響瞬態響應的因素如裂紋形狀、裂紋深度、板條長度、板條厚度做了分析比較。In this dissertation, in allusion to the limit that the domestic analysis and studies of the body structure only concentrate on the static bend, torsion and some extreme conditions in nowadays and the studies on transient analysis of the whole vehicle that contains the suspension model, tire model and the road model are few, the applications of the fem on the analysis of the car body structure are studied. and in this dissertation the method of building connecting means models, the dynamic response of the body, the fatigue analysis of the body and the reforming measures of the body are deeply discusses
本論文針對目前國內車身結構分析的研究只限於對車身或車架結構在靜態扭轉、彎曲載荷以及幾種極限工況載荷作用等幾種情況的研究,對含有懸架、輪胎以及路面模型的整車瞬態響應分析的研究較少的實際情況,對有限元方法在汽車結構分析中的應用作了些研究工作,尤其是在車身連接件處理、車身動態響應、車身疲勞強度分析、車身結構改進方案等方面進行了較深入的探索。Transient response analysis
瞬態響應分析Structure damper analysis in structure transient response with finite element method
有限元分析結構瞬態響應中的結構阻尼問題The analytical and experimental system for the responses of vortex blade under the impact, which can be used in the anti - impact design of vortex blade, is established in the research work of this paper
在本次研究工作中建立的渦流葉片外物撞擊瞬態響應分析系統,可供渦流葉片抗外物損傷設計時應用。The rotor model used in the present study is a rigid - blade flap - lag model. analytical tools are developed for combined rotor - damper steady state response, stability and transient ( time domain ) response and damper loads
由於粘彈減擺器減擺器幅變、頻變特性,迫切需要一種基於瞬態響應分析的,能快速有效的阻尼識別技術。In chapter 3, the non - linear equation was linearized with the jacobi matrix, and then the linearized equation was transformed into fixed frame to analyze the stability problem with eigenvalue method ( on - ground or hovering ) or floquet theory ( forward flight ). meanwhile, the equation was perturbed by sweep frequency excitation from steady state to get transit decay of lag response which was then transformed into fixed frame with a numerical fourier coordination transformation ( fct ). the fixed frame response along with the body response was analyzed via an fft to determine modal frequencies
然後,在穩態響應的基礎上利用雅各比矩陣對非線性方程進行了線化,線化后的方程利用多槳葉坐標變換轉換到固定系下后,利用直接特徵值分析(地面、懸停)或floquet理論(前飛)對系統進行了穩定性分析;同時,對系統進行了瞬態響應分析;在系統達到穩態的基礎上進行掃頻激勵,用fft變換求得系統頻率,進而用移動矩形窗方法分析得到系統的阻尼。By constructing a simplified model of the beam in computer, every mode of vibration has been analyzed through finite element method on ansys platform. both transient analysis and dynamic analysis have been carried out by properly converting the real loads to the equivalent ones, which are comparatively easy to manipulate for the software
建立了梁的簡化模型,進行了智能梁結構的有限元分析,得到了梁的各階模態,並在此基礎上利用等效載荷對梁進行了動力學分析及瞬態響應分析,得到了梁的各階模態下驅動器放置的最優布局。In fundamental theory, adaptive optics, electrostatic actuation, flexure beam theory and squeeze film damping are researched ; in fabrication, bulk micro fabrication process and surface micro fabrication process are researched and compared, then the structure parameters and layout of a 8 x 8 micromirror array are designed using summit foundry ; in analysis, analytical and numerical method are used to perform static analysis, modal analysis, transient analysis, frequency analysis and to characterize the farfield performance of this 8x8 micromirror array. finally, in order to realize large scale micromirror array with lower snap down voltage, advices are given for further research
在基本理論方面,通過對自適應光學,靜電力驅動,彈性梁理論和擠壓薄膜阻尼的研究,確定了微變形鏡的配置方案;在加工方面對體加工工藝, mumps工藝和summit工藝進行了研究與比較,並選用殘余應力小,表面質量好的summit工藝對8 8的微變形鏡陣列原型進行了結構設計與版圖設計;在分析方面主要對微變形鏡單元的靜態特性,模態特性,瞬態響應,頻率響應和8 8規模的微變形鏡陣列的遠場光學模型進行了研究,確定了微變形鏡的性能參數。Dynamic response analysis of transient thermoelasticity couple of a large - calibre machine gun barrel
某大口徑機槍槍管的瞬態熱彈耦合動力響應分析Nonlinear characteristics such as bifurcation and chaos under three kinds of models are compared. and nonlinear characteristics of coupled vibrations under the model supporting with bearings are analyzed detailedly. the acquired torsion properties and nonlinear characteristics of cracked rotor have good assistant effect on diagnosing cracked fault
以重力占優的開閉裂紋模型為研究對象,研究了裂紋轉子升速過程的彎扭耦合振動瞬態響應特性及影響因素,探討了1 3階及1 2階亞諧共振特徵;在考慮轉速渦動情況下,比較了三種模型的分叉與混沌等非線性特性,並詳細分析了軸承支承模型的彎扭耦合振動非線性特性。The mesh data of these two models comes from static and modal finite element analysis respectively, and their load data possesses internal successivity. according to the correlation, finite element models support me parallel and cooperative processing of static, modal and dynamic response analysis
其中的結構瞬態響應有限元分析模型分為兩個層次的模型,其網格數據分別來自於靜態和模態分析有限元模型,在載荷數據上具備內在繼承連續性。The typical performance characteristics include : load transient response, efficiency, output voltage ripple, output voltage vs. load current, switching waveform, and soft - start time. the simulation results indicate that the ic has achieved the expectation, both function target and electrical characteristics. although there are unavoidable disadvantages of the project, it is a worthwhile and valuable experience
在完成系統原理分析、總體架構設計及子電路設計的基礎之上,還應用hspice對各個子電路和整體電路進行了模擬驗證,其中,整體模擬指標包括:軟啟動時間、瞬態響應時間、轉換效率、輸出電壓與負載的關系、輸出電壓紋波、開關波形。分享友人