剛粘性的 的英文怎麼說
中文拼音 [gāngniánxìngde]
剛粘性的
英文
firmoviscous-
Deng x g, zhuang f g, mao m l. on low mach number perfect gas flow calculations [ r ], aiaa paper 99 - 3317
鄧小剛.粘性超聲速復雜氣動力干擾的數值模擬[ d ] : [博士學位論文] ,中國空氣動力研究與發展中心, 1991Consideration of the additional axial, two angular deformations generated by the bond slipping in anchorage zones of joints, the assumption is made, that the plane section of either end of a member before bond slipping of reinforcements remains afler bond slipping of reinforcements. additional deformations * contribution to stif ? nesses of plastic sub - elements is formed from the boundary nonlinearity of plastic stabelements. the space bond slip relation can truly compute bond slip in anchorage zones, additional def ? rmatinns, and their contribution to the space nonlinearity of a niember, has used iii space nonlinear analysis of columns and spandrel beams in this dissertation
附加變形對塑性子區域的剛度貢獻,看作是塑性子區域的邊界非線性,建立了構件端部子區域基於構件邊界非線性的鋼筋與砼之間的空間粘結滑移關系,能較真實地求得錨固區的粘結滑移、附加變形以及他們對構件空間非線性性能的貢獻,並運用於柱、裙梁的空間非線性分析之中。The relationships of modal damping versus the stiffness of cables, the attachment height of damper and damping constant are obtained. with the optimal structural control method, a new approach to determine the optimal damping constant of viscous damper is presented. the first a few modal damping can be optimized simultaneously under the optimal damping constant of damper, which is more convenient than the existed design method
4 、對拉索-粘性阻尼器系統的動力特性進行了研究,得到了拉索剛度、阻尼器安裝高度及阻尼系數等參數對拉索系統模態阻尼比的影響規律;根據最優控制原理,提出了一種確定阻尼器優化阻尼系數的方法,該方法確定的阻尼系數能保摘要證前幾階模態阻尼比得到整體優化,改進了現有的設計方法。The research of this dissertation is focused on how to solve the 3 - dimensional compressible navier - stokes equations by the implicit finite difference algorithm and to simulate numerically the unsteady subsonic and transonic viscous flows around rigid and elastic wings. on the base of them the aeroelastic characterictics of an elastic wing have been studied
本文的主要工作是用隱式有限差分法求解三維非定常紊流n - s方程組,數值模擬剛性機翼及彈性機翼的亞、跨、超音速定常及非定常粘性繞流,並在此基礎上研究了彈性機翼的氣動彈性問題。During the temperature fields, the results indicate that the processing parameters such as the extrusion velocity, casting temperature, perform preheating temperature, die preheating temperature and so on are important for the temperature fields besides the dwell time. they are must be in concordance each other to the deforming zone is in the quasi - solid state, and the stable semi - solid extrusion is implemented. during the deforming fields, the hyperbolic sine thermo - rigid - viscoplastic fem model is selected according to the forming feature of the process, and the variations of the stress - strain fields are studied
在溫度場的模擬中,模擬結果表明,保壓時間是影響製件成形質量的關鍵因素之一,擠壓速度、液態金屬澆注溫度、預制體預熱溫度和模具預熱溫度等工藝參數對溫度場的影響也很大,需進行參數之間的協調,只有當變形區內部始終維持準固態時,才能實現穩定的液-固擠壓成形過程;在變形場的模擬中,根據液態浸滲擠壓的成形特徵,選用了雙曲正弦剛-粘塑性有限元計算模型,研究了變形過程中應力應變場的變化規律,研究了模角對變形和金屬流動的影響及變形力的變化過程和其影響因素。Neglecting the influence of some factors, such as liquid ' s viscidity etc., upon the process of empty bubble breaking, the authors analyze the pressure variation on bubble ' s wall in all directions when it shrinks, and deduce the equation of its moving track towards the rigid side wall under the function of asymmetry pressure
摘要通過對忽略液體粘性等一些因素對空泡潰滅過程的影響,分析了空泡在收縮過程中,泡壁四周壓強的變化,得出空泡在此不均勻壓強的合力作用下向剛性邊壁運動的軌跡方程。In order to improve diamond fine powder sinter ' s mechanical property, using the present laser technique, high power transverse co2 laser is used to sinter diamond fine powder compact to study the integrating capability in the sinter between diamond fine powder and metallic powder, microstructure and the forming mechanism of microstructure in the different laser technical parameters
摘要為了改進金剛石微粉燒結體的機械性能,利用現有的激光技術,採用高功率橫流co2激光燒結金剛石微粉壓坯,研究在不同的激光工藝參數下,燒結體中的金剛石微粉與金屬粉末粘結的結合性能、微觀結構以及形成機理。" keynesian revolution " breaks through the classical economics idea of " money neuter " and " dichtomy ", which causes, in " monetary transmission mechanism " of keynes, intrest rate possesses complete flexibility whereas goods price and wage rate shows " sticky state " at least in short run
「凱恩斯革命」對古典經濟理論的「貨幣中性」與「兩分法」觀念進行了突破,這一突破使得凱恩斯「貨幣傳導機制」中的利率具有充分伸縮性,而物價、貨幣工資率卻至少在短期內呈「剛性」或「粘性」 (即不易伸縮性) 。By analysing the asymmetric flexibility, we know, it is important that intrest rate is monetary price essentially and decided by supply and demand in monetary market ; goods price and wage rate is only the part or price group ; it is available that " complete flexibility " of intrest rate is applied as one " endogenous " explanation to the " sticky state " of goods price and wage rate. above - mentioned conclusions bring forth not only explanation on the peculiarity of keynesian economics theory and application, but also the related revelation to the process of monetary and financial policies of our county in its applicable scope
具體分析這種不對稱的伸縮性可知:利率本身及其受「貨幣市場供求」決定很重要;物價(及貨幣工資率)只是價格集合的一個組成部分而已;可用利率的「充分伸縮性」作為物價、貨幣工資率至少在短期呈「剛性」或「粘性」 (即不易伸縮性)的一個「內生性」解釋。上述結論在其適用范圍內既說明了凱恩斯經濟理論及其運用具有特殊性,又對我國當前的貨幣、財政政策制定與實施有重要的相關啟示。Abstract : based on the rigid visco - plastic fem technique, this paper numerically simulate the superplastic bulging process of void - sensitive materials using pressure controlling strategy of maintaining maximum effective strain rate constant and void damage evolution model of superplastic forming
文摘:基於剛粘塑性有限元技術採用最大應變速率恆定的壓力控制策略和超塑性成形空洞損傷演變模型對空洞敏感材料的超塑性脹形過程進行了數值模擬。Abstract : in this paper, rigid visco - plastic fem technique is applied to numerically analyze the factors affecting the forming time of superplastic bulging, and the regularities of forming time affected by different factors are given by examples of constant pressure and constant strain rate die - bulging of cylinder parts, all of which provides guideline for process planning in actual superplastic bulging
文摘:採用剛粘塑性有限元技術對超塑性脹形成形時間的影響因素進行了數值分析,以圓筒形零件的恆壓和恆應變速率充模脹形為例,給出了不同因素對超塑性成形時間的影響規律,為超塑性脹形實際工藝設計提供了依據。The multi - formation of chips often collects into groups and felts on the surface of concrete sawing area or segment, which will make the sawblade easy to be loaded under the extrusion of cement chips and diamond grits
在粘性水泥粉屑以及金剛石磨粒的擠壓作用下,多種形態的切屑易粘結成團,並粘附到混凝土鋸切表面和鋸片節塊上而導致鋸片堵塞。This dissertation also presents the equivalent stiffness and damping models and the nonlinear hysteresis and saturation model of a kind of the mr damper developed by the experimental testing and modeling in order to describe accurately characteristics of the mr damper
建立了磁流變阻尼器的等效剛度和等效粘性阻尼系數與施加電壓、激振頻率和振幅的關系以及能精確表示磁流變阻尼器的力學特性的非線性滯回模型。The motion of an incompressible rigid - visco - plastic cylinder driven by detonation products of explosives
炸藥爆轟產物驅動不可壓縮剛粘塑性柱殼的運動In this article, we introducte the advanced numerical, analysis method - finite element method and lucubrate the rigid - viscoplasticity basic theory for three - dimensional problem with the metal ' s specific feature of the warm extrusion forming process, the analytical procedure of metal ductility forming process and the rigid - viscoplasticity finite element method ' basic theory. the rigid - viscoplasticity ' s modle has been made and the rigid - viscoplasticity ' s modle finite element columnwise based on the lagrange facil method and overtension overtress has been deducted in this paper. at the same time, we have analytic studied the forming technique process for the sway oil pump stator
本論文採用先進的數值分析方法? ?有限元法,結合金屬在溫擠壓成形過程的具體特點,詳細論述了三維問題的剛粘塑性有限元法,介紹了金屬塑性成形過程的分析方法,以及剛-粘塑性有限元法的基本理論,建立了剛-粘塑性模形,推導了基於lagrange乘子法和過應力模形的剛粘塑性有限元列式,並對轉向油泵定子的成形工藝過程進行了研究分析。The main original work includes : 1. the interaction between an integral pile and a uniform visco - elastic soil layer with viscous damping or hysteretic damping is theoretically studied, and the pile response to a harmonic load is obtained in a closed form and used to define complex stiffness at the pile head. semi - analytical solution of the velocity response in time domain subjected to a semi - sine wave exciting force is also given
主要工作包括: 1 、在考慮樁周土三維波動條件下,對滯回阻尼、粘性阻尼單層均質土中樁土縱向耦合振動問題進行了解析研究,分別得到樁頂位移、速度頻域響應以及復剛度的嚴格解析表達,以及半正弦脈沖激振力作用下樁頂時域響應半解析解。Using commercial finite element software ansys, the numerical simulations of the forming processes of decorated rib and handle, which are key positions in the door outer are conducted and investigated the differences of vpf and tradition forming. by using numerical simulation that investigates the effects of viscous injection flow rate on plank ’ s vpf formability and based on those investigated four - aluminum alloy ’ s vpf. the die has been designed for the door outer ’ s viscous pressure forming
首先採用商用有限元分析軟體ansys對車門成形中的關鍵部位裝飾筋和把手的成形進行了數值模擬,對比分析了粘性介質壓力成形與剛性模成形的特點;分析了粘性介質壓力成形過程中,粘性介質的注入速率對成形試件壁厚分佈的影響,在此基礎上對四種常用的6000系列鋁合金板材的粘性介質壓力成形進行了有限元數值模擬。Tys165 - 2 bulldozer is semi - rigid suspended, power shift, hydraulically controlled and track - type. it is applicable for watery, soft, viscous soil conditions
2濕地推土機系半剛性懸掛、液力傳動、液壓操縱的履帶推土機。特別適用於含水比較高、松軟、粘性土質工況下作業。But it is gas medium with compressibility and low viscosity that leads to low natural frequency, small damping ratio, low positional precision and rigidity, bad low speed characteristics, which limit the application of pneumatic servo technique
但因為氣體的可壓縮性和低粘性,導致氣壓伺服系統固有頻率低、阻尼比小、定位精度和定位剛度低、低速性能差,使得氣壓伺服技術的應用受到限制。Rubber, vulcanized or thermoplastic ; determination of modulus or adhesion to rigid plates ; quadruple shear method ; identical with iso 1827 : 1991
硫化的或熱塑橡膠.模數或與剛性板膠粘性能的測定.四分享友人