滯彈性性能 的英文怎麼說
中文拼音 [zhìdànxìngxìngnéng]
滯彈性性能
英文
anelastic behavior-
Since lots of factors such as pumping blood ability of heart, heart rate, vascular resistance, flexibility of main artery and big artery, body blood capability and hemal physical state can be reflected by blood pressure, it is of great importance to be one physiological parameter for body cycle system enginery
=血壓是反映心臟泵血功能、心率、血管阻力、主動脈和大動脈的彈性、全身血容量及血液粘滯性等生理參數的重要指標,是反映人體體循環系統機能的重要生理參數。After analysis of the parameters of the devices, a conclusion is achieved that we can directly use the parameters of the dampers instead of devices to design the buildings in the common situation. then a one - freedom modal is used to compare the differences of performance between these two dampers under harmonic load. finally, three buildings, which are installed with viscoelastic dampers, viscous dampers and no dampers respectively, are analyzed using finite element method, time history method and response spectrum method, and the result is the same as that of harmonic analysis
如果支撐剛度較小,應採用本文推倒的公式計算阻尼裝置的性能參數;利用單質點模型進行阻尼結構在簡諧荷載作用下的性能分析,並比較了粘彈性與粘滯阻尼結構在振動控制方面的性能差異;最後利用數值方法分別對未安裝阻尼裝置結構,安裝了粘彈和粘滯阻尼裝置的三種結構進行了反應譜和時程分析,得到了與理論分析一致的結果。Performance for a piezoresistive transducer pressure sensor to thermal and pressure environments can be predicted by finite element method. a simplified 1 / 8 model, considering silicon dioxide and nitride process as well as stack anodic bonding and adhesive bonding processes, was developed. the fem results were found to be comparable to experimental data. case studies suggested that pyrex stack induces certain amount of non - linearity, while it isolates hard epoxy nonlinear effect. flexible epoxy bonding or soft adhesive bonding is preferred to the packaging process. the viscoelasticity and viscoplasticity of bonding material will result in hysteresis and drift errors to sensor output. however, soft adhesive s influence on sensor can be ignored under relative stable environments. more over, detailed design and process information will help to improve modeling application
熱、壓環境下壓阻變換壓力傳感器的性能可以通過有限元方法預測.這里研究了簡化的1 / 8模型,模型考慮了二氧化硅和氮化硅生成過程及堆陽極鍵合和膠粘結合過程.結果發現有限元預測結果和實驗數據具有可比性.範例研究表明,硼硅堆導致產生一定的非線性,但它隔離了硬環氧樹脂的非線性.在包裝過程中最好使用柔性環氧黏合或軟黏膠性結合.黏合材料的黏彈性和黏塑性將會導致傳感器輸出的滯后和漂移誤差.然而,在相對穩定的環境下,軟黏合劑對傳感器的影響可以忽略.此外,詳細的設計和過程信息有助於提高模型的適用性A uniform mathematical formula has been established for the two devices consisting of brace and viscoelastic damper or viscous damper
本文對粘彈性和粘滯阻尼器在與支撐連接后的阻尼裝置建立了統一的力學模型,並研究了支撐剛度對其性能參數的影響。Firstly, the dynamical performance of friction damper ( frd ) and viscoelactic damper ( ved ) is tested in this paper. the work, which gets the rules that the two dampers " hysteretic curve and performance - parameters change follows the changing of excitement, lays the foundation for designing new kind of edd
論文首先進行了摩擦阻尼器和粘彈性阻尼器的動力性能試驗,獲得了兩種阻尼器的滯回曲線和性能參數隨激勵性質變化的規律,為進一步開發新型的耗能阻尼器提供了基礎。The study result is listed as follow : the transformation pseudo - elasticity property of shape memory alloys is simulated exactly with the above mentioned method of value calculation. the shape memory alloys re - centring damper presents typical " double flag " hysteretic curve, and the result accords with the theory analysis. the property of above new isolation device is excellent, the seismic response of the super - structure is significantly reduced, and the fully re - centring capacity after earthquake is obtained
研究結果表明,文中所提的數值求解方法能夠反映形狀記憶合金相變偽彈性的基本特徵;形狀記憶合金自復位阻尼器在循環荷載下呈現出典型的雙旗型滯回曲線,程序的模擬結果與理論分析相吻合;這種新型隔震裝置的性能優良,既可以大大減輕地震對上部結構的影響,同時也具有很好的震后自復位功能。Here a kinetic study has been made in order to determine the relationship between the relaxation of elastic energy and the hysteresis expansion by pre - deformation of shape memory alloys
本文根據馬氏體相變熱力學和動力學,並結合相關的實驗結果,研究了彈性應變能弛豫和相變滯后的關系。Secondly, by low - cycle and reverse horizontal loading test, their properties including strength property, deformation property and energy property are studied. we study the loading characteristic values ; the property of hysteretic curve and skeleton - frame curves ; the ductility property and stiffness degradation. at last we analyze the destroy principle and affection reasons of hollow shear wall of r. c with vertical seams in different height and loading measures, we also give the bearing capability calculation formulas and design advises for new type hollow shear wall of r. c
首先運用ansys有限元程序分析彈性階段水平外荷載施加后,帶豎縫鋼筋砼空心剪力墻板內應力分佈及變形情況,再在試驗數據的基礎上,研究低周反復水平加載條件下,各試件的強度、變形、能量特性;各試件的荷載特徵值;各試件的滯回曲線、骨架曲線;延性及剛度退化等參數;最後,分析了不同剪跨比和加載條件的帶豎縫鋼筋砼空心剪力墻板的破壞機理和承載力影響因素,並給出不同剪跨比和加載條件的帶豎縫鋼筋砼空心剪力墻板承載力計算公式及設計建議。The fabrication of specimens, the program and phenomenon of the experiment are described in detail, and the phenomenon of the experiment is interpreted also. experimental hysteretic curves are compared with calculation results utilizing integral method, and agree well. the effects of these parameters on hysteretic behaviors, monotonic curves, elastic rigidity and ductility are analyzed according to p - a monotonic curve from the experiment
文中具體地介紹了試件的製作,試驗過程以及試驗現象;詳細分析了試驗現象;將試驗所得的p -滯回曲線與數值計算結果進行比較,吻合良好;通過包絡線分析各參數對構件滯回性能、單調曲線形狀、彈性剛度、延性等的影響。Women are supposed to be very calm generally : but women feel just as men feel ; they need exercise for their faculties, and a field for their efforts, as much as their brothers do ; they suffer from too rigid a restraint, too absolute a stagnation, precisely as men would suffer ; and it is narrow - minded in their more privileged fellow - creatures to say that they ought to confine themselves to making puddings and knitting stockings, to playing on the piano and embroidering bags
她們需要發揮自己的才能,而且也像兄弟們一樣需要有用武之地。她們對嚴厲的束縛,絕對的停滯,都跟男人一樣感到痛苦,比她們更享有特權的同類們,只有心胸狹窄者才會說,女人們應當只做做布丁,織織長襪,彈彈鋼,繡繡布包,要是她們希望超越世俗認定的女性所應守的規范,做更多的事情,學更多的東西,那麼為此去譴責或譏笑她們未是輕率的。Then a semi - rigid joint behavior can be modeled as a finite stiffness rotation spring. basing on rotation and displacement equation, we obtain the element stiffness matrixes with semi - rigid connections where the effects of material nonlinear, hysteresis behavior and shear forces in the connection deformations have been considered in and at the same time we modify the fixed - end forces. finally, a program for calculating the elastic - plastic earthquake seismic of semi - rigid connected steel frame structure by step and step integration of wilson -
本文在介紹和分析半剛性連接彎矩與轉角連接關系模型的基礎上,用帶有轉動剛度的彈簧表徵半剛性連接,推導出半剛性連接的剛度矩陣,並對桿件固端力進行修正,同時在考慮剪切變形、材料彈塑性、及構件的動力滯回性能的基礎上,編制了結構彈塑性地震動力時程分析有限元計算程序。There are two characters in this study : ( 1 ) considering the capillary attraction and van der wall force under nano - scale and observing the fact that the hardness without considering adhesion effect is much larger ; ( 2 ) obtaining hardness by the energy method and considering the effects of elastic work due to elastic recovery and adhesion work due to adhesive forces
本論文最大特色在於( 1 )在奈米尺度下,考慮凡得瓦力及毛細管作用力對于奈米壓痕試驗之影響,並發現如果不考慮黏滯效應所得之硬度將遠大於薄膜真實硬度? ( 2 )以能量的方式求得硬度,並考慮材料彈性回復所產生的彈性功與黏滯效應所產生的黏滯功兩者對硬度之影響。About explosive market dynamics where the time delay in respect of supply or demand towards a price signal on the one hand and the price elasticity of supply and demand on the other could result in enormous price volatility at huge social cost
記得曾在此專欄談到市場大幅波動的問題,即若供應方或需求方對價格訊息及供求的價格彈性的反應出現時間滯后,價格便可能會極度不穩定,造成很大的社會代價。Based on the theory of thin - walled curved bar, reasonable hypothesized a third - ord parabolic curve, the paper adoptes variational method on energy, taking the coupled relationship of the effect of curvature radius, bend, torsion and shear - lag into consideration, establishes the elastic governing differential equation and boundary conditions for thin - walled curved box girders, which set the foundation of theoretical analysis of shear - lag effect in thin - walled curved box girders
摘要文章以薄壁曲桿理論為基礎,合理地假設了三個剪力滯翹曲位移函數,應用能量變分法推導出考慮曲率半徑影響、彎、扭、剪力滯耦合的曲線箱梁彈性控制微分方程及其邊界條件,為薄壁大麴率箱梁剪滯效應建立了理論分析基礎。Based on the heating treatment control system of a spring steel - wire production line in a factory, hubei province, the paper deals with the design of fully automatically monitoring system across its manufacturing process. through research of parameters of temperature control during the period of heating, annealing and tempering in steel wire manufacturing process, the corresponding composite intelligence fuzzy controller is designed. in light with the way of fast heating, a composite intelligent fuzzy controller combined with on - off control & pi control is set up
本文以湖北某鋼絲繩廠彈簧鋼絲熱處理生產線控制系統為依託,論述了整個生產過程的監控系統的設計,通過對該類鋼絲生產中的快速加熱過程、退火、回火等過程中的溫度控制參數的研究,設計了相應的智能型復合模糊控制器,根據快速加熱過程的實現方式,對于快速反應的被控對象,給出了以模糊控制為基礎的結合開關控制、 pi控制的快速升溫,且不超調的一種智能型復合模糊控制器,對于退火、回火等工藝過程,採用電加熱方式,該類工藝過程作為控制對象屬于具有純滯后的大慣性系統,作者設計出模型預測自適應模糊控制器,並對所設計的控制器進行計算機模擬實驗,取得了滿意的效果。分享友人