推均勻的 的英文怎麼說
中文拼音 [tuījūnyúnde]
推均勻的
英文
quasi homogeneous-
The scale effects due to unsimilar bed risistance is discussed in detail, and the correct way of scour depth is supposed. at last, a new transport rate formulas of uniform or nonuniform bed load is given
本文還對由於阻力不相似而引起的比尺效應進行了較詳細的討論,從理論上給出了沖刷深度比尺效應的修正方法及新的均勻、非均勻推移質輸沙率的計算公式。In the next chapter, the two dimensional fipwa especially the modified steepest decent path ( msdp ) in angular complex plane and the interpolate / extrapolate technique have been carefully studied
接著,重點研究了二維快速非均勻平面波演算法,對其復平面上的修正最陡下降路徑及內插外推技術進行了深入研究。In recent years, plentiful and substantial fruits achieved by the lb method in simulations of hydraulics, multiphase flows, flows in porous media and heat transfer as well as magnetohydrodynamics, have revealed a broad perspective of application of this method, it will become a powerful competitor to the conventional approaches. in order to absorb the recent achievement in theory and application of the lb method, explore new ways in hydraulic computation to promote the development of practice, some work is car ried out in this thesis, as following : advances in the theory research and application, deductive process of the d2q9 model and some other commonly used models of the lb method are summarized. based on the hydrodynamic and general boundary conditions, a new joint boundary condition is presented, it integrates advantage of the two conditions above and obtains very good results in dealing with all kinds of boundaries of flow fields
為了消化和吸收近年來lb方法在理論和應用方面的新成果,探索在水力計算方面的新途徑以促進lb方法實用化的發展,本文進行了下列研究工作:綜述了lb方法在理論研究和實際應用方面的新進展,以及d2q9模型的推導過程和其他一些常用的模型;在水動力邊界條件和通用邊界條件的基礎上提出了一種新的聯合邊界條件方法,它綜合了上述兩種邊界條件的優點,在流場的各種邊界處理中取得了非常好的效果,經過模塊化的處理以後這種邊界條件具有更好的實用性;針對均勻網格的lb方法計算效率較低的不足,提出了雙重網格的latticeboltzmann方法,通過二維poiseulle流動、后臺階流動和渠道方槽流動三個算例的模擬,證明這種方法能夠明顯地提高流場模擬的計算效率;此外,根據復雜區域流場的特徵提出了latticeboltzmann方法的分塊-耦合演算法,利用lb方法的計算特性實現塊與塊之間的數據交換,充分利用計算資源提高計算效率,通過對「 t 」型、 「十」型和「 x 」型分岔管道流場的模擬,展示了這種演算法的特徵和優點,以及它所具有的應用前景。In this paper, we extend the theorem of song to multipartite tournaments and prove that every 2 - connected and 2 - equilibrium multipartite tournament contains a pair of componentwise complementary cycles, unless it is isomorphic to t71 ( see figure in ? )
本文將競賽圖的結果推廣到均勻多部競賽圖上,並證明了2 -強連通2 -均勻多部競賽圖包含一對分量共軛圈,除非它同構于競賽圖t _ 7 ~ 1 (參看圖1 ) 。It detailed analyzes the characteristics of symmetric semi - space, layered telluric medium of transient electromagnetic methods, deduces apparent resistivity ( ps ) formulae of earlier, later and whole stage channels, it also analyzes and deduces the tem response effect of local conductive body in high resistance medium and its apparent resistivity formula, inquires into the causing reason, distinguishing method and the way of eliminating or reducing its effect of tem additional effects
第二章瞬變電磁法的理論基礎,較詳細地分析了均勻半空間、層狀大地瞬變電磁場的特徵,推導了早期、晚期及全期道視電阻率s公式;以及高阻圍巖中局部導電體的瞬變電磁響應和相應的s公式推導。Meanwhile, calibration and verification of this generalized equation is done by using of a lot of measured data. the precision of 31 sediment transport equations, have been compared by using more than 5000 sets of measured data. the results show that among these equations, equations of this paper, karim - kennedy, engelund - hansen, ackers - white, brownlie, peterson - peterson, basson, yang, wang shiqiang, et al.,
利用超過5000組資料,比較了包含本文公式在內的31種輸沙強度計算公式在計算天然均勻沙時的精度,結果認為本文公式、 karim - kennedy 、 engelund - hansen 、 ackers - white 、 brownlie 、 peterson - peterson 、 basson 、 yang 、王士強等公式是幾個值得推薦的輸沙公式。This paper focuses on the research of the stress mechanism of the ribbed shell structure in statics, dynamics and under the explosive load on the basis of the engineering practice of cave depot of single aircraft. in this paper, according to the classical shell theories, the basic differential equilibrium of the ribbed shell structure and the finite element analysis of 3d rippled plate are established, in which the function of annular ribs reinforcement bars and 3d ripped steel plates are distributed in the range of the steel, and the functions along the longitude direction of tension, bending, and torsion are neglected ; applied with dynamic analytical theory, the dynamic model of ribbed shell structure and the analytical theory model of elastic - plastic are set up ; the triangle series method is used to solve the displacement and stress under the distributed load and the concentrated load of the ribbed shell structure
本文以軍用機場地面單機掩蔽庫工程建設為工程背景,首次對內襯三維波紋鋼板混凝土拱型復合結構的受力機理進行了靜力、動力和爆炸荷載的分析研究。根據將橫肋、鋼筋及三維波紋鋼板的作用均勻分佈在殼體范圍內的情況,忽略橫肋、鋼筋及三維波紋鋼板沿殼體母線方向的抗拉、抗彎及其抗扭作用,首次推導出了內襯三維波紋鋼板混凝土殼體的微分平衡方程,建立了有限元計算模型,並採用三角函數法,求解了三維波紋鋼板混凝土拱型復合結構在分佈荷載和集中荷載作用下的位移響應和應力響應,並與普通殼體進行了比較。The concept called parallel macro - micro robot is presented. two kinds of optimal disposing methods of the cables ? tensions are used to build the inverse kinematics model of cable and cabin system. the error compensation model of the fine tuning stewart platform is deduced
本章提出了並聯宏-微機器人的概念及基於懸索張力均勻原則和懸索系統勢能最小原則的兩種索張力優化配置方案,並在此基礎上建立了並聯懸索系統的逆運動學模型,推導了動基座stewart平臺的誤差補償模型。From this point, whether even design method could accomplish the task of pusher - dimension is still a question. in this paper, even design method has been used in both pusher - dimension optimization and fleet assignment, exploring its effectuation
通過查閱大量文獻,本論文給出了許多初估推船主尺度的經驗公式,船型方案的組成則在此基礎上,採用均勻設計法來完成,這是本論文具有創造性的一處。A new waveguide made of changing a wide wall of a rectangular waveguide to a uniform curved wall is called conformal waveguide. a kind of expression of approximate solution for domain mode of the new waveguide, including symmetric, unsymmetric arc, parabolic arch, hyperbolic arch, elliptic arch, etc., is constructed by using boundary condition of mental waveguide, variational method and boundary element method. by using the equivalence principle, an approximate calculating formula for equivalent resonant conductance of a narrow longitudinal halfwavelength slot cut in the curved wall of the unsymmetric arcrectangular waveguide is derived, and the result is shown. although this solution is approximate, it can solve the problem in designing the slotted antenna of such conformal waveguide
把矩形波導一個寬面外突成均勻曲面構成的新波導統稱為共形波導.利用金屬波導邊界條件、變分法、邊界元素法構造這種新波導中主模場的一種近似解表達式,包括曲面橫截線為對稱、非對稱圓弧,拋物線弧,雙曲線弧,橢圓弧等.然後根據等效原理,推導非對稱圓弧矩形波導曲面上窄的縱向半波長縫隙的等效諧振電導的近似計算公式,給出計算曲線.這種解雖然是近似的,但卻能解決這類共形波導縫隙天線的工程設計First the equation of the plane wave should be obtained in equably medium
首先,推導出光波在均勻空間傳播所滿足的波動方程。A model and integrable equation of inhomogeneous generalized heisenberg ferromagnet
非均勻推廣的海森堡鐵磁鏈模型與可積方程This paper investigates the integrable inhomogeneous generalized heisenberg ferromagnet model by using the prolongation structure theory
摘要利用延拓結構研究了可積的非均勻推廣的海森堡鐵磁鏈方程。Abstract : thermally induced stress and the relevant warpage cause by inappropriate mold design and processing conditions are problems that confounded the overall success of injection molding. a thermorheologically simple thermoviscoelastic two - dimension material model is used to simulate the residual stress and warpage within injection molded parts generated during the cooling stage of the injection molding cycle. the initial temperature field corresponds to the end of the filling stage. the fully time - dependent algorithm is based on the calculation of the elastic response at every time step. numerical results are discussed with respect to temperature and pressure
文摘:不均勻的熱殘余應力及其變形是注塑成型加工中常見的工程問題之一.應用熱流變簡單材料的二維熱粘彈本構方程得到的遞推公式,數值模擬了成型中的熱殘余應力及其翹曲變形,並用數值實驗討論了溫度、壓力對注塑件殘余應力及變形的影響,發現溫度變化不均勻是注塑件翹曲變形的最主要原因,其影響遠大於壓力的作用,與工程實驗的結論一致The diffusion carrier concentration profile and junction depth were measured and compared with conventional furnace processing diffusion ( cfd ). it presented following conclusions : 1 ) the temperature distribution in quartz chamber of rtd furnace is uniform because square resistance is uniform after rtd ; 2 ) the diffusion velocity of rtd furnace by a factor of three compare to conventional furnace processing diffusion ( rtd ) ; 3 ) if diffusion temperature and doping phosphorus are equivalent, doping phosphorus of rtd are more than of cfd in equivalent distance to the silicon surface
實驗研究了快速熱擴散( rtd ) :通過旋塗磷膠和印刷磷漿兩種方式考查了2 4和103 103單晶硅的快速熱擴散特性,發現: 1 )此樣機的溫度場在空間分佈上是均勻的; 2 )快速熱擴散可以比傳統擴散快3倍的速度進行擴散; 3 )在擴散溫度和摻雜磷源相同的條件下,與傳統擴散相比,快速熱擴散將雜質向結更深的地方推進。It is the fist thing to make particles to mix with htpb equally by the mixer. many superfine particles with various particle diameters, varieties, content and surface coated had been employed to study the influence on viscosity and dispersion of the slurry
為了使加入的粉體通過捏合機的捏合,在丁羥膠中得到均勻的分散,我們分別研究了粉體的粒度、品種、組成及粉體表面經包覆處理后,對推進劑漿料的粘度、分散性的影響。Usage : homogeneous gushing pushes the product to the map, dust or the wiper is listed in, the ability, cleaning greatly, improving whose adsorption and collecting dust complete, tap or rock dust to push he dust come off
用法:把本品均勻的噴到拖把、塵推或擦布上,大大提高其吸附及收集灰塵能力,清潔完后,輕敲或搖動塵推,灰塵即可脫落。Abstract : the effect of powder feed height on the thickness and density of powder rolled strip was calculated by using " deduction from ends of strip ”. the critical feed height ensuring uniform thickness and density of strip has been obtained. the effect of apparent density on the critical feed height is given as well
文摘:本文通過「帶材尾端反推法」計算出粉末軋制工藝中粉末堆料高度對粉末軋制帶材厚度、密度的影響,並得出保證帶材厚度、密度均勻的臨界堆料高度;同時指出了松裝密度對臨界堆料高度的影響。According to the structure of a electro - magnetic gear couple, this research paper analyzed the main magnetic circuit as well as derived the calculation formulas for its uneven working and assembling air - gap magnetic conduction
摘要根據電磁齒輪的結構特點,分析了電磁齒輪傳動的主磁路,並推導出非均勻的工作氣隙磁場與裝配氣隙磁場磁導的計算公式。By using the method of separation of variables, a recursive formula was derived for the electromagnetic fields in a circular coaxial cable with a radial conductor plate and filled with multilayered homogeneous isotropic media, and the relationship between the first and the nth layers of the electromagnetic fields was determined
摘要採用分離變量方法,推導了有徑向導體板、填充均勻的多層各向同性介質的同軸線各層電磁場之間的遞推關系,得到了第1層與第n層介質中電磁場的關系方程。分享友人