彈粘性流 的英文怎麼說
中文拼音 [dànniánxìngliú]
彈粘性流
英文
elastic-viscous flow-
And the rock mass as the main object of most engineering practice is developed by all kinds of geotechnical action and force in the long geology history to the complex characteristic of continuous medium, crannied medium and granular medium, to the anisotropic and heterogeneous entity with elasticity, plasticity, viscidity, creepocity and rheology
作為主要工程對象的巖體是在漫長的地質歷史發展過程中經受各種地質營力作用而形成的成因和構造復雜,巖性多樣且包含了連續介質,裂隙介質和散體介質特徵的,兼有彈性、塑性、粘性、流變性的各向異性的非均質地質體。Computation of transonic viscous flow of a projectile
彈丸跨聲速粘性繞流數值計算Then the judging method is proposed, and the proposed method can consider the stress history and viscosity shear strength of soft soil. in this paper, a fem program dpfbm1. 0 ( double plastic foundation beam method ( version 1. 0 ) ) is established. with this program, the influence of some parameters on foundation excavation is fully studied, the parameters include : compression modulus, cohesive strength, angle of internal ficiction, effective angle of internal friction, the embedded length of the wall and building load
針對當前國內外彈性地基梁法存在的缺陷,基於對軟土流變性的研究,採取了剪應力判斷彈塑性狀態,以改進和完善基坑工程彈性地基梁法,推導了彈性狀態下地基反力系數的近似解,提出了採用剪應力組合判斷土彈簧彈塑性狀態的方法,編制了相應的彈塑性共同變形法分析程序dpfbm1 . 0 ( doubleplasticfoundationbeammethod ( version1 . 0 ) ) ,並採用該程序分析了壓縮模量、粘聚力、內摩擦角等參數變化對基坑工程的影響。Firstly, the structures and properties of abs resin, a kind of material for fdm process, are introduced, and theological properties of melted abs filament during extrusion from fdm ' s nozzle are studied in viscosity and elasticity, the research results can provide theoretical guidance for establishing the compensation model of ideal contour line
本論文首先從粘性和彈性兩個方面闡述和研究了熔融態abs熔體從噴頭擠出過程中的流變性能,流變性能的分析和研究不僅有助於更好地理解fdm工藝的擠出絲過程,而且為建立理想輪廓線的補償模型提供了理論依據。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。We can conclude that in china, is curve is very sharp and its limited scope, lm curve is not so steep, and bp curve is sharp and sticky. the 2nd chapter describes the monetary policy and public financial policy within the fixed exchange system in china. with the hypothesis about chinese economic reality, we can discuss the validity of our country ’ s economic policy and the problems of their coordination
這樣的前提假設並不完全符合中國的實際,經過分析,我們可以附加總供給彈性較大、資本不完全流動、固定匯率以及國際收支盈餘等假設,通過這些假設前提,我們可以得出一個擴展的m - f模型,從而可以得出一些結論? ?其中包括了中國陡峭的is曲線及其有限的移動范圍、平緩的lm曲線和陡峭的bp曲線及其粘性,為進一步分析我國宏觀經濟政策的效果作了鋪墊。According to the practical geological model of slope, by means of the finite element analysis, from the constitutive equations of the elastoplasticity and the viscoelasticity - viscoplasticity, the process and mechanism for progressive failure of the locked segment of rockmass are quantitatively revealed and simulated during the rupture, deformation, destruction, and failure of highsteep slope rockmass, and the dynamics driving the motion of rocky landslide with violent starting velocity by high pressure water flow is dealed with
根據邊坡實際地質模型,基於彈塑性與粘彈-粘塑性理論的本構方程,通過有限元模擬分析,定量地揭示和模擬再現了高邊坡巖體破裂、變形、破壞及失穩前後鎖固段巖體漸進性破壞的機制和過程,探討了高壓水流作用下滑坡啟程劇動的破壞機理。One of these methods, passive control using viscoelastic or viscous dampers, has been applied to more and more projects in the past, because they can reduce the seismic response effectively, economically and rarely need to be repaired after they are installed
其中利用粘彈性和粘滯流體阻尼器對結構進行被動控制的方法,由於其有效性、經濟性和安裝后不再需要維護,而被越來越多的結構設計所採用。( 2 ) on the basis of continuity equation, momentum conservation equation, energy conservation equation, and substantial equation, coupled thm governing equations are derivated with giving up the assumption of local thermal equilibrium, adopting thermal elasto - plastic constitutive relation, taking the effect of temperature gradient on groundwater seepage ( analogous to soret diffusion ) and the effect of viscous dissipation of groundwater on temperature field of rock mass into account
( 2 )根據連續性方程、線動量平衡方程和能量守恆方程以及相應的物性方程推導了飽和巖體溫度場-滲流場-變形場三場耦合作用控制方程組。在推導控制方程組時舍棄了「局部熱平衡」假設,採用了熱彈塑性本構關系,考慮了溫度梯度對地下水滲流的影響(類soret效應)以及地下水的粘性耗散對巖體溫度場的影響。Applications of higher - order upwind scheme for viscous flow of projectiles
高精度迎風格式的射彈粘性繞流場數值模擬According to the analyses of the visco - elastic and visco - plastic rheological properties of grey silt - like soft soils in yingkou district, the author interpreted that tyey show different rheological proprties as time and stress level changed
基於營口地區淤泥技粉質粘土的粘彈性及粘塑性流變特性,指出二者隨時間和應力水平的變化表現出不同的流變特性。For simplicity, these assumptions are followed in the simulation : 1 ) the coronary artery is modeled as rigid tube with constant cross section ; 2 ) the blood is assumed as viscous incompressible newtonian fluid without weight ; 3 ) the blood flow is developing laminar and becomes fully developed at far downstream
實際生理條件下,血液是粘彈性流體,但據文獻表明,只要血管直徑不太小,血液粘彈性對流動的影響不大,可以忽略不記,本文也吸收了這一結論以簡化非關鍵過程,以提高工作效率。This paper introduces all kinds of calculation methods of settlement and the popular research theory at present, expresses the rheology theory and its developing trend in detail. based on the rheology theory, the theory of linear - visco - elastic - plastic model is put forward to forecast the long term creep settlement of soft soil in the metallurgy industrial region at the backward position of haihe river in tianjin
本文詳細介紹了國內外關于沉降計算的研究現狀,以及當今流行的研究理論,著重介紹了流變理論的研究現狀及其發展趨勢,並在此基礎上提出了用線性粘彈塑性模型理論來預測天津市海河下遊冶金工業區軟土長期蠕變。Analytical solution was obtained for one - dimensional large - strain and non - linear consolidation of single - layered soil under time - dependent loading on the basis of some simplifications. meanwhile, semi - analytical method was proposed for solving more complicated consolidation problem and corresponding computer code was developed for one - dimensional large - strain consolidation analyses, in which, complicated factors such as selfweight, non - linear and rheological properties of soft soils can be all taken into consideration. the correctness of the method and that of the code were verificated through comparing the results with those obtained from available analytical solutions
然後根據離散和解析相結合的原則,利用已有的成層地基一維線彈性固結解析解,建立了能求解復雜一維固結問題的半解析方法,編制了相應的能綜合考慮土的非線性、流變、成層性、自重以及變荷載等復雜因素的軟粘土一維大應變固結計算程序,並通過與已有各種解析解的比較對半解析法及其程序的正確性和有效性進行了驗證。A viscoelastic - viscoplastic - damage constitutive model considering damage and creep of soft soil is presented
摘要提出了一種考慮軟土損傷和流變性質的粘彈粘塑性損傷模型。Taking gear without tooth face invalidation such as agglutination and abrasion as a precondition, and according to the relation between minimal oil film thickness and tooth face roughness of elastic liquid dynamic pressure lubrication theory, viscosity of gear lubrication oil was educed by reliability method in this paper, and the calculation formula has been elicited and applied
摘要以齒輪傳動不發生膠合、磨損等齒面失效為前提,根據彈性流體動壓潤滑理論的最小油膜厚度與齒面粗糙度的關系,用可靠性方法確定齒輪潤滑油的粘度,給出計算公式並進行了實例計算。Rheological model and equation of viscoelastic - plasticity of paste - like backfill pulp
似膏體粘彈塑性流變模型與流變方程研究The research of this dissertation is focused on how to simulate numerically the steady and unsteady subsonic, transonic and supersonic viscous flows around wing and aircraft by computational fluid dynamics method. on this basis, several kinds of aeroelastic problems of aircraft are investigated
本文的主要工作是利用計算流體力學( cfd )方法,數值模擬機翼和全機的定常及非定常粘性繞流,並在此基礎上耦合結構動力學方程研究了飛行器的多種氣動彈性問題。On the basis of the previous achievements and the settlement observed data, considering the obvious creep characteristic, visco - elastic - plastic creep model, which reflects the saturated soft clay ' s nonlinear deformation characteristic, has been proposed in this paper, with the consideration of the primary and secondary consolidation settlement. the soft clay visco - elastic and visco - plastic deformation is also depicted respectively
針對具有明顯流變特性的飽和軟粘土,在總結前人研究成果和整理沉降實測資料的基礎上,把主次固結沉降結合起來考慮,提出了反映其非線性變形特性的粘彈塑性流變模型,分別對土體的粘彈塑性變形進行描述。Fem equation of fluid - solid coupled vibration was constituted by analyzing fem equation of incompressible viscosity fluid and elastomer. based on the equation, vibration characteristics of vane in the air and frequency and swing of fluid - solid coupling vibration are calculated by using ansys
本論文通過對不可壓縮粘性流體的有限元方程和彈性體振動的有限元方程的分析,得到了彈性體與粘性流體流固耦合的有限元方程。分享友人