隔振基礎 的英文怎麼說
中文拼音 [gézhènjīchǔ]
隔振基礎
英文
vibration insulating foundation-
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。The general nonlinear propagation equations of four - lightwaves in birefringent fibers are deduced. the characteristics of polarization mode dispersion in 4 + 10gb / sdwdm system in dispersion - flattened fibers is studied. our results show that pmd exerts a detrimental influence on 4 x logb / sdwdm system in limiting transmission rate and the channel numbers
本論文研究波分復用（ wdm ）系統中偏振模色散的影響，主要工作包括下面兩個部分：一、導出了四波長光波在雙折射光纖中傳輸所滿足的一般非線性耦合方程；在此基礎上，研究色散平坦光纖中4 10gb sdwdm系統的偏振模色散特性，並且進一步研究了偏振模色散對不同通道間隔的4 10gb sdwdm系統的影響。Admittance power flow of flexible foundation vibration isolation system based on four - end parameter analysis
基於四端參數分析的彈性基礎隔振系統的導納功率流Research on shaking table test of base isolation building
基礎隔震房屋模型振動臺試驗研究In this paper, the seismic reduction function of sand cushion under masonry structure foundation and some possible factors that may have effect on its seismic reduction function are tentatively discussed through theoretical computation and shaking table experiments. it provides some foundation for sand cushion ' s application in civil engineering
本文通過理論分析計算和室內砂箱振動臺地震模擬試驗，對砌體結構基礎下砂墊層的隔震性能及可能影響其減震性能的因素作了一些初步的探討，為今後砂墊層減震作用在工程上的應用提供了依據。Based on the analysis of the structure and vibration of hcm - i submicro cnc ultra - precision turning machine, the mechanical model of active vibration isolation system is set up in the paper
摘要本文以hcm -型亞微米超精密車床為研究背景，在分析了機床結構與振動的基礎上，建立了機床主動隔振系統的力學模型。Based on interpretation and analysis of home and foreign relevant research, for the purpose of reducing the vibration of adjacent buildings induced by subway, the characteristics of buildings vibration induced by subway are studied by in situ experimental method and numerical simulation method. based on above analysis, a three - dimension isolation device is developed to reduce the buildings vibration, and its practicability and feasibility are tested and verified through numerical simulation method
本文在對國內外相關研究內容進行分析的基礎上，以減輕地鐵運行誘發沿線建築物振動為目的，用現場實測和數值模擬的方法研究了地鐵運行誘發鄰近建築物的振動特性和規律，並在此基礎上提出了減輕建築物振動的三維隔振裝置，同時對該裝置的適用性和可行性進行了數值模擬驗證。Shaking table test on building models with comined isolation system
組合基礎隔震房屋模型振動臺試驗研究Design code of vibration isolation of auxiliary machine foundation in fossil fuel power plant
水力發電廠輔助機器基礎隔振設計規程Jacket is the most widely used offshore platform structural style. first of all, the paper summarizes the present achievements of dynamic analysis for offshore platform, and studies both the vibration isolation system for jacket and vibration - suppressed effectiveness. considering the style and character of jacket, and in order to make best use of dampers to reduce vibration, a damping isolation scheme, in which the damping layer is laid between the jacket cap and deck is put forward
本文在總結國內外對海洋平臺結構動力分析研究現狀的基礎上，針對淺海導管架式海洋平臺的型式與結構特點，研究了導管架式海洋平臺結構阻尼隔振體系及其減振效果，為了充分發揮阻尼器的耗能減振作用，提出了在平臺結構導管架端帽和甲板之間設置柔性阻尼層的新型阻尼隔振方案。Apllication of spring vibration isolation for ball mill foundation to large - scale thermal power plant
彈簧隔振在大型火力發電廠磨煤機基礎中的應用Analyses of computational model and vibrating characteristics of the base isolation structure made of self - damped rubber laminated - support
自阻尼疊層橡膠支座基礎隔震結構的計算模型及振動特性分析Based on the numerical simulation method of finite element, the calculation method of particle vibration velocity, an important index reflecting the blasting vibration intensity, is discussed ; and an comparison analysis of the calculation results between two different kinds of charge structures decked with air and water is made
基於有限元數值模擬方法的基礎上對反映爆破震動強度的重要指標質點振動速度的計算方法進行了探討，並對空氣和水兩種不同間隔裝藥結構下的震動強度計算結果進行了對比分析。The analysis on unilateral, bilateral and lateral - torsional coupled seismic response of base - isolated structures with combined isolation systems is carried out, and the control of lateral - torsional coupled seismic response of structures is discussed. the energy analysis on base - isolated structures is conducted by energy method. the influence on the total input earthquake energy owing to the frequency, intensity and lasting - time of earthquake and so on is studied
採用能量方法，建立基礎隔震結構能量反應方程，對基礎隔震結構地震反應進行能量分析，研究地震動的頻譜特性、幅值、持時、上部結構自振周期及隔震系統動力性能等因素對結構總輸入能量的影響;並對基礎隔震結構進行耗能分析，研究結構總輸入能量在結構中的分配，為基礎隔震結構能量設計提供依據。The air - exhausting system should be set on the roof, add integrate roof exhaust machine room, adopt concrete foundation, install the machine above the dissociate vibration cushion in order to reduce the influence of vibration and noise
建議排風機組設置在屋頂處，最好增設統一的屋頂排風機房，並且設置混凝土基礎，排風機組安裝在有隔振墊基礎上，以減少振動、噪音對實驗室的影響。Earthquake and wind ), because of the damping matrixes of the two structures " motion equations are both non - classical, the dynamic equation ca n ' t be decoupled by the traditional real - mode analysis ( the mode - superposition method ). though, in this thesis the complex - mode analysis is used to solve the stationary and non - stationary random earthquake response of structures and their analytic expressions are got. on the basis of these expressions, the optimal parameters of the two structures " isolation & seismic decrease equipment are analyzed
目前，基礎隔震結構、 「加層減震」 （ tmd減震）結構正逐步應用於工程實際，由於這兩種結構在動力荷載（如地震、風）作用下動力方程中的阻尼矩陣為非經典情形，傳統的實模態分析方法（振型分解法）不能使動力方程解耦，因此本文運用復模態分析方法求得了結構在平穩和非平穩隨機地震激勵下結構隨機地震響應的解析表達式，在此基礎上進行了基礎隔震和tmd減震裝置參數的優化分析。From this paper ' s study, it had been identified that the pushover analysis method was reliable in scope below : ( a ) low - middle rise, regular, the first model deformable structures, ( b ) short - period structures, ( c ) middle - rise non - symmetric frame structures, ( d ) middle - rise vertical - irregular frame structures, ( e ) middle - rise base - isolated structures, etc. it had also been identified that the time history analysis method could be replaced by the pushover analysis method when the pushover analysis method was reliable
通過本文的研究，證明了pushover法在如下結構中的應用具有足夠的準確性：中低層、規則、以第一振型為主要變形特徵的結構，短周期結構，多層不對稱框架結構，多層豎向不規則框架結構，多層基礎隔震結構。同時證明了在pushover法的適用范圍內，可以應用簡單的pushover法代替復雜的非線性動力時程分析法對結構進行抗震性能評估。The main research is as follows : analyze and research the boundary constraint and the structure characteristic and segment the frame making use of the shell element, the pipe element etc. on the base of it the practical finite element model has been established ; analyze the mode of the frame by dint of the finite element model. and get the inherent frequency and the vibration mode of the frame. tentatively estimate the dynamic characteristic of the frame and analyze the inherent frequency that may be lead to the resonance
論文的主要研究工作如下：分析研究車架的邊界條件和結構特性，並用殼、管等單元對該車架進行離散，建立一種切實有效的車架有限元模型；對該車架的有限元模型進行模態分析，求得其的固有頻率和振型，並對車架的動態特性做出初步評估，分析可能引起車架振動的固有頻率；在模態分析基礎上，研究發動機輸出的簡諧力引起的車架位移響應（即諧響應分析） ，以考察摩托車車架各部位的振動情況並與模態分析對比，分析是否與該車架的固有頻率相耦合而導致共振；在深入研究車架的模態分析及諧響應分析、清晰地認識了摩托車車架動態特性的基礎上，分析並提出了採用橡膠減震器對車架進行隔振的減震方法。This project name is " basic technique research and vibration isolation theory with bionic mechanism for devices of high precision ". this thesis is mainly in two aspects : theoretical analysis and experimental research. it is composed of the characteristic of power transmission based on the smr model, control theory of vibration isolation for micro - manufacturing platform
本學位論文結合國家自然科學基金項目「精密裝置仿生隔振系統理論及基礎技術研究」 （ no . 50075078 ） ，從理論分析和實驗研究兩方面，對smr模型的功率傳遞特性、微製造隔振平臺控制理論和主動振動控制技術進行了深入、系統的研究。Academician prof zhong wan - xie presented precise integration method firstly in 1993, and ordinary differential equation can be solved precisely by this method. in this article, improved precise integration method is given firstly. then on the basis of improved precise integration method, a new method for calculating the response of dry friction system is presented, and the calculation precise degree of this method is tested by the comparison with ihb method
1993年鐘萬勰院士提出了精細積分法，它可以精確求出常系數常微分方程的數值解，本文首先提出精細積分改進演算法，進一步提高了其計算精度，然後在改進的精細積分法基礎上對于摩擦系統響應的計算方法進行了研究，並用ihb法對這種計算方法的計算精度進行檢驗，結果證明這也是計算干摩擦隔振系統響應的有效方法之一。分享友人