擦耗 的英文怎麼說
中文拼音 [cāhào]
擦耗
英文
attrition-
Air bearing has a lot of absolute advantages when it is used in high speed bearing, low friction and low wastage, high precision bearing and special conditions
氣體軸承在高速支承，低摩擦、低功耗支承，高精密支承和特殊工況下的支承等領域內有絕對的應用優勢。Abrasion supporting system and the binding force
摩擦耗能機構及其豎向緊固力The frictional dissipation will introduce an exponential decay.
摩擦耗散可導致指數式的衰減。The main parts such as axles, squeezer, pressing bar and gear are made of advanced alloy steel which has been handled by hardening and can be used everlasting even though in the condition of high temperature and friction consumption all day and all night
本機主軸、榨螺、榨條、齒輪等主要零件，均系優質合金鋼製造，並經過硬化處理，雖日夜處于高溫與摩擦耗損情況下，均能經久耐用。A new kind of generalized energy is proposed as the lyapunov function, and thereby resulting in a new criterion of generalized nonlinear symmetric stability. it shows that not only must the dissipative coefficient be greater than a certain critical value but the initial disturbance amplitude must be synchronously smaller than another marginal value as well
從含摩擦耗散的f平面上boussinesq近似下的非線性方程組出發，提出了一種新的廣義能量作為lyapunov函數，導得了一種新的非線性對稱穩定性判據：即不僅耗散系數大於某一臨界值而且同時初始擾動振幅小於另一臨界值。Frictional dissipation and cutting off the water supply in the boundary layer by downslope adiabstic warming air are main mechanisms of terrain affecting tc intensity
而摩擦耗散作用和絕熱增溫的下坡干空氣對邊界層水汽的切斷作用則是引起熱帶氣旋減弱的主要機制。In this paper, based on summarizing previous numerical studies on wave transformations, several works are documented : based on the mass conservation equation and euler ' s equation, the extended form of boussinesq equations is derived by using the velocity at an arbitrary water depth as the independent variable, and several terms are added into governing equations to model the effects of bottom friction, wave breaking and subgrid turbulent mixing
本文在總結概述前人關于boussinesq方程波浪數學模型研究進展的基礎上，主要做了以下幾點工作：從質量守恆方程和euler方程出發，以某一水層處水平速度矢量作為獨立變量，推導出包含底摩擦耗能、波浪破碎效應和子網格湍流效應的改進型boussinesq方程。On the basis of the wide investigation of the achievement home and abroad about the friction energy dissipation frame, this dissertation has completed a whole research process - from time - history response analysis of the structure with friction energy dissipation, to the theoretical research on the frame with friction energy dissipation, up to application of friction energy dissipation in structural seismic
本文在廣泛調研國內外對摩擦耗能框架結構的研究成果基礎上，從摩擦耗能框架動力時程分析的研究出發，逐步深入開展對摩擦耗能框架結構的理論研究，進而探討摩擦耗能減震技術在結構抗震加固中應用的設計方法。By ansys finite element program the seismic response of a five - story frame structure with friction dissipating braces is analyzed, and is compared with that of the pure frame structure without brace and the brace frame structure without friction dissipation devices
選取一五層框架作為算例，利用ansys程序，對摩擦耗能支撐框架、無支撐框架和普通支撐框架的地震反應進行了計算比較，分析了摩擦耗能支撐的減震效果。From a nonlinear equation with boussinesq similarity on the f plane including friction dissociation and using a new kind of general energy as lyapunov function, we got the nonlinear subcritical symmetric instability criterion which a new kind of symmetric stability criterions. the nonlinear subcritical symmetric instability indicates that the larger amplitude disturb may cause the its instability to increase and then excite the mesoscale rainstorm
非線性亞臨界對稱不穩定判據是從含摩擦耗散的f平面上boussinesq近似下的非線性方程出發，以一種新的廣義能量作為lyapunov函數，導得的一種新的對稱穩定性判據，理論指出較大振幅的擾動可能出現非線性亞臨界對稱不穩定增長，從而激發中尺度暴雨擾動的生成。Then, using the large - scale coarse grained soil test system, the relative density and direct shear characteristics of sand - gravel mixtures in different size distribution were tested. and the soc affecting mechanism derived from non - uniform granular material was discussed. the phenomenon can be observed that, along with the increase of non - uniform degree, the accumulate structure will become more complex, and the sliding resistance among sands will grow accordingly
在此基礎上，利用大型粗顆粒實驗系統，測定不同非均勻系數沙石材料的相對密度和直剪特性，探討了顆粒非均勻程度對自組織臨界性影響的具體物理力學機制：隨著非均勻度的增大，散粒堆積體的顆粒結構空間分佈堆積方式的多樣性增大，顆粒滑動的摩擦耗能增加。In the paper, friction energy dissipation is discussed mainly. using nonlinear spring element and combination element, the finite element model of friction energy dissipating brace frame is established
本文針對摩擦耗能這一減震形式進行討論，採用非線性彈簧單元、組合單元建立摩擦耗能支撐框架結構的有限元模型。In the area of elasto - plastic dynamic analysis of frame with friction energy dissipation, the design - oriented nonlinear seismic response time history analysis method for frame with friction energy dissipation has been set up. and the corresponding program idaff is developed using visual c + + language ; the analytic solution of a single - damped - story braced frame with friction energy dissipation under the sine wave excitation has been give ; besides these, a vibration reduction analysis of multi - story frame with friction energy dissipation has been given in the paper and some useful conclusions have been drawn
在摩擦耗能框架結構彈塑性動力分析方面，本文建立了面向設計的摩擦耗能框架結構非線性地震反應時程分析方法，並利用vc + +編制了相應的程序idaff ；給出了帶有摩擦耗能器的有阻尼單層框架在正弦波激勵下反應的解析解；同時本文從多自山度的角度出發對摩擦耗能框架的影響因素進行分析，得出相關的結論。Moreover, the influence of parameters, such as bracing stiffness, yielding displacement of the dissipater and different distribution of dissipating braces on the suppressive effectiveness of structure vibration is studied and some referential suggestion is presented for the design of passive energy dissipation system
此外，本文還對耗能支撐減震參數（斜撐剛度、耗能器屈服位移）的改變以及耗能支撐的不同布置方式對結構減震效果的影響進行了分析，為摩擦耗能支撐框架的設計提供一些參考性建議。In the area of the application of friction energy dissipation in structural seismic strengthening, the engineering project has been taken as an example in this paper
算例表明，分析方法是有效的，從而成功地解決了多、高層框架結構摩擦耗能支撐參數的確定問題。Furthermore, the optimization of the parameters of the frame with friction energy dissipation under several earthquake records is solved. examples are illustrated to verify the method
此外，還解決了多種地震波輸入下摩擦耗能框架的優化問題，並通過算例進行詳細的解析。By using visual c + + language, a computer program gaoff has been developed to optimize the parameters of friction energy dissipation braces based on genetic algorithm
本文建議利用遺傳演算法求解該優化問題，並編制了基於遺傳演算法的摩擦耗能框架結構彈塑性動力優化分析程序gaoff 。In the area of parameters optimization of frame with friction energy dissipation, a new mathematic model of parameters optimization of friction energy dissipation has been proposed in this paper
在摩擦耗能框架結構優化方面，本文提出了摩擦耗能支撐參數優化的一種新的數學模型。The results show that the friction energy dissipating brace has obviously seismic vibrat ion - suppressed effect, and decreases maximum response of structure sharply when earthquake occurs, and dissipates a great deal of earthquake input energy
結果表明：摩擦耗能支撐具有明顯的減震效果，它大大降低了地震作用下結構的峰值反應，有效地消耗了地震能量。In the last part of this paper, dynamic analysis of frame and frame with friction energy dissipation has been discussed. the effect of the second stiffness of bilinear model on the dynamic response of the structure has been studied and some conclusions have been obtained
本文最後對多層框架動力分析和摩擦耗能框架動力分析進行討論，考慮框架結構雙線性模型的第二剛度系數對動力反應分析的影響，得出相應結論。分享友人