finite series 中文意思是什麼
finite series
解釋
有限級數-
Aapproximation of fourier inverse integral using fourier transform approximation for amplitude of harmonics in a finite fourier series summation
富氏級數中之諧波成份以富氏轉換近似並以有限級數和近似富氏逆轉換。 -
In the chapter 3, algor feas ( also called super sap ), a commercial fem software is introduced ; several. problems in building the finite element model of a auto frame is researched ; taking advantages of fem and mathematic programming, a strength analysis method of the frame of a series multi - spindle hydropneumatic suspension automobile is proposed ; taking the structure and load characteristic of a missile ' s frame into account, the static, eigenvalue and response analysis have been made by using super sap91
第三章簡要介紹了大型有限元軟體sap91 ；對車架有限元建模及分析中的若干問題進行了討論；利用有限元法和數學規劃法相結合，提出了一種串聯多軸油氣彈簧懸架車輛車架強度分析的方法；針對某導彈發射車車架的結構和載荷特點，利用sap91軟體對其進行靜力分析、特徵值分析和動力響應分析。 -
It is important to analyze the stresses and reinforcement design of spherical shell with transnormal nozzle because it is widely used in petroleum > chemicak nuclear electric and other industries. first of all, in order to explore and master the characteristic of stress distribution on this structure and to find reinforcement design which can accommodate to different instances, the stresses of a series of models with different t / t and r / r were analyzed by the finite element procedure - ansys
首先，為了更進一步了解和掌握球殼超標開孔平齊接管結構的應力分佈特點，並找到適用於不同情況下的補強設計方法，本文利用ansys有限元分析計算程序對不同開孔率和不同厚度比的一系列球殼超標開孔平齊接管結構進行了應力分析，得到了應力分佈曲線和應力集中系數曲線。 -
The elastic foundation model is considered as two - parameter elastic foundation model and its effect to moderate - thick plates are taken into account by a set of governing differential equations. united with hu hai - chang ’ s function, least squares collocation weighted residual method which uses b - spline function as trial function is put forward for solving the bending problems. compare with the results of finite element method of lines, spline finite strip method, accurate solution of series etc. it is proved that the method in this article has adequate accuracy and practical feasibility
本文採用瑞斯納中厚板理論求解彈性地基板，建立雙參數地基與中厚板相互作用的控制微分方程，結合胡海昌的解耦函數，運用雙五次b樣條函數作為試函數的離散型最小二乘加權殘值法分析了雙參數地基上的中厚板的彎曲問題，並將結果與有限元線法、有限條法、級數精確解等進行比較，證明本文方法具有足夠的精確性與實際的可行性。 -
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。 -
Some related techniques and applications on supply chain are described. through studying the order - decomposing process simulation, this dissertation defines the two agent classes : coordination & resource agent, maps the order - decomposing process into a real - time control process formed by a group of agents, proposes finite state machine as a kind of ideal modeling approach used to analyze the real - time control process, describes the conversation rules of agent conversation classes, identifies agents & conversation rules and develops the conversation models by using the framework provided by jafmas, jdk1. 1 integrated development environment & java. according to the structural characteristics, this dissertation transforms the optimization of series supply chain design into multi - stage decision - making problem and develops an optimization model for it
在對國內外供需鏈研究與應用進行大量調研分析的基礎上，本文給出了供需鏈的定義；闡述了供需鏈管理范疇的內涵、外延及其管理目標；綜述了供需鏈研究的現狀；在對訂單處理流程分析的基礎上，定義了兩種代理類：協調代理和資源代理，創見性地把訂單分解?匹配過程映射為一個由多個代理組成的實時控制過程；針對實時控制過程瞬時狀態難以描述的特點，本文首次把有限狀態機fsm應用到訂單分解?匹配過程中，用以描述代理會話類的會話規則；在jafmas平臺上，利用jdk1 . 1集成開發環境以及面向對象編程語言java設計了jafmas的面向對象代理模型，實現了代理會話規則的有限狀態機模型。 -
The regular growth of dirichlet series of finite order in the half plane
級數在水平直線上的增長性 -
In this paper, we first study the growth and regular growth of dirichlet series of finite order by type function in the plane and obtain two necessary and sufficient conditions ; and prove that the growth of random entire functions defined by random dirichlet series of finite order in every horizontal straight line is almost surely equal to the growth of entire functions defined by their corresponding dirichlet series. then we define the hyper - order of dirichlet series of infinite order respectively in the plane or in the right - half plane, study the relations between the hyper - order and regular hyper - order of dirichlet series of infinite order and the cofficients ; obtain the hyper - order of random entire functions defined by random dirichlet series of infinite order in every horizontal straight line is almost surely equal to the hyper - order of entire functions defined by their corresponding dirichlet series
本文首先利用型函數研究了全平面上有限級dirichlet級數的增長性和正規增長性，得到了兩個充要條件；證明了有限級隨機dirichlet級數的增長性幾乎必然與其在每條水平直線上的增長性相同。對于無限級dirichlet級數，分別在右半平面及全平面上定義了其超級的概念，研究了它們的超級和正規超級與其系數間的關系；得到了平面上無限級隨機dirichlet級數的超級幾乎必然與其在每條水平直線上的超級相同。 -
Then an thorough computer modeling using finite element program with material, geometry and state triple - nonlinear taken into account is carried out on a series of influencing factors, such as comparison with npn - beam splice connection, comparison of varies designed theories, and the varying of fraction coefficient, diameter, grade, pretension and arrangement of bolts, thickness of web and flanges of beam and column, splicing location, axial loading on column, etc. lots of useful conclusions are drawn form computer modelling. finally, design and construction suggestions are given out. this study fills the black in the field of steel beam - to - column connection with cantilever beam high - strength bolted - splicing at both home and abroad
然後，本文在考慮材料、幾何和狀態三重非線性的基礎上，對該連接形式進行了全面的計算機模擬，主要考慮了帶懸臂梁段全螺栓拼接的樑柱連接節點與無拼接的樑柱連接及翼緣對接焊接腹板拼接的連接節點的對比，各種設計方法之間的對比，以及翼緣拼接和腹板拼接的螺栓間距、直徑和數量，拼接點與梁端之間的距離，梁和柱的翼緣、腹板厚度，柱的軸力，接觸面的摩擦系數，翼緣和腹板拼接板的厚度等因素的影響。 -
For practical application the integrals in (3. 79) and (3. 80) have to be replaced by finite series.
為了實際應用，（379）和（380）里的積分項必須用有限級數代替。 -
Finite element analysis for modular platform of scs series truck scale with multi - block
系列多臺面模塊化汽車衡秤臺的有限元分析 -
Method for solving finite summation of k steps arithmetic progression by using power series
階等差數列有限和的冪級數求法 -
Using the complex potential method in the plane theory of elasticity of an anisotropic body, a series solution to the stress field of a finite plate containing multiple cracks subjected to arbitrary loads is obtained by means of the faber series expansion, and the stress intensity factors at the crack tips are calculated based on the theories of fracture mechanics. equivalence yield stress is introduced in order to consider the effects of the plastic zones, with which the strip yield criteria is developed in the article so that the effects of structural size and the crack interactions on the stress distribution can be considered accurately. the effects of plate size, crack size and crack distributions on the stress intensity factors as well as the residual strength of the plate are studied detailedly
採用各向異性體平面彈性理論中的復勢方法，以faber級數為工具，得到了含多裂紋有限大板在任意載荷作用下應力場的級數解，並應用斷裂力學方法確定裂紋尖端的應力強度因子；引入當量屈服應力考慮裂尖塑性區的影響，提出基於帶屈服準則的剩餘強度分析模型，能夠充分考慮結構尺寸和裂紋之間相互作用對應力場的影響；通過數值計算詳細討論了結構尺寸和裂紋之間位置關系對應力強度因子和結構剩餘強度的影響規律，得到了一系列對工程應用具有實用價值的結論。 -
Using the complex potential method in the plane theory of elasticity of an anisotropic body, the series solution of finite anisotropic thin plate containing an elliptical inclusion is proposed with the help of faber series. a hybrid element with an elliptical inclusion for anisotropic materials is obtained by using the hybrid variable principle, and the element efficiency is verified by numerical examples. the state of the damage is modeled by an elliptical soft inclusion, and using the point stress criterion based on characteristic curve and yamada - sun etc. criteria, the prediction of the strength of a composite laminate with damage is set up
首先基於經典層板理論，將復合材料層板的彈性問題化歸為均勻各向異性板來求解；採用各向異性體平面彈性理論中的復勢方法，以faber級數為工具，給出了有限大含橢圓核各向異性板彈性問題的級數解形式；利用雜交變分原理，成功導出含橢圓核各向異性板雜交應力有限元，並用算例驗證了該單元的可行性和有效性；採用含剛度折減橢圓形彈性核的沖擊損傷模型，引入基於特徵曲線和yamada - sun破壞準則的點應力判據，建立了含損傷復合材料層板剩餘強度的分析方法；通過數值計算詳細討論了各種幾何參數對損傷層板應力分佈、剩餘強度的影響，得到了一系列對工程應用具有實用價值的結論。 -
This paper analyzed the mechanism of bond between the steel shape and concrete in the src ( steel reinforced concrete ) structures. by a series of src push - out tests, both the bond strength and the relations between the bond stresses and slip, which was usually called bond - slip constitutive relations, were analyzed and studied to solve the problem on bond - anchoring design and the problem on numerical simulation of the bond - slip in fem ( finite element method ) analysis of src structures
本文分析探討了型鋼混凝土中型鋼與混凝土之間的粘結滑移機理，並通過型鋼混凝土推出試驗（ push - outtest ）研究了型鋼混凝土粘結強度、粘結應力-滑移相互關系（粘結滑移本構關系） ，以解決型鋼混凝土結構中的粘結錨固問題和有限元分析中的粘結滑移模擬問題。 -
And for geometrically split link, sharp integrality of the ohtsuki invariant is given. a new multiplicative group, braid array, is constructed through a series of basic changes in the second part, and we conclude that any tame knot or link can be represented by finite braid array
第二部分，由於辮子群與紐結理論的密切聯系，本文構造了一個類似於矩陣的乘法群? ?辮子陣群，並給出了它的一系列基本變換，且得到所有溫良紐結或環鏈都可由有限階辮子陣惟一表示。 -
Abstract : fatigue cracks in ship hull structures are most likely to occur in the highly stressed structural details. the conventional fatigue analysis is largely dependent on the determination of stress concentration factors ( scfs ) at the locations considered. this paper is concerned with the stress concentration of cutout in transverse web for longitudinal stiffener. a series of finite element models is carried out for the stress analysis of predefined structural details. the tabulated scfs of typical cutouts ( abs tanker rules ) in transverse web for longitudinal stiffeners are presented based on the finite element analysis ( fea ) results
文摘:疲勞裂紋往往發生在船舶結構的局部高應力區，而疲勞分析結果通常取決于任何準確確定結構的應力集中系數.本文研究為鋪設縱骨而在艙壁板上開孔的應力集中，採用有限元方法對預先給定的結構進行應力分析，基於有限元計算結果給出了艙壁板典型開孔（參見abs油船規范）的應力集中系數表 -
However, the simulated annealing algorithm will expand too much time to estimate the values of objective function when applied to aerodynamics optimizations. the way to remedy this problem in this dissertation is by improving the efficiency of optimizer and the cfd - solver. our cfd - solver is base on the modification to the proper orthogonal decomposition ( pod ) method that can produce a finite series of basis functions or modes through the solution of snapshots
但對于氣動外形優化設計問題來說，由於評估需要解決的問題的目標函數值需要多次調用流場解算器，會導致用模擬退火演算法進行優化設計的計算工作量過大，因此需要我們對流場解算器和優化方法兩個方面進行研究以尋找此問題的解決辦法。 -
After we define the n - numerical range of bounded linear operators on a hilbert space, we find that the n - numerical range have a series properties very similar to that of the quadratic numerical range. at the same time, we prove that under certain conditions, wn ( a ) c w ~ ( a ) and that when h is finite dimensional and dimti = n, we have a ( a ) = wn ( a ). therefore, it is nature to guess that when h is an infinite dimensional hilbert space, for any space decomposition dn ? ?
首先給出了n次數值域的定義，我們發現n次數值域不但具有一系列和二次數值域類似的性質，而且在給定的條件下還有n次數值域包含在二次數值域當中，另外當是n維hilbert空間時，它的n次數值域就等於它的譜集，前面的結論促使我們猜想，當是無限維hilbert空間時，對的任意的空間分解d _ n ，都應該有下面的式子成立： （ a ） = _ （ d _ n d ） w _ （ d _ n ） ~ n （ a ） 。 -
In this paper we made finite element analysis on the shrinkage influence of the ceft and did a series of shrinkage and mechanical tests
本文對考慮收縮作用的鋼管混凝土構件進行了有限元分析並對鋼管高強混凝土構件進行了收縮及力學試驗研究，具體工作如下： 1
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