有限點陣 的英文怎麼說

中文拼音 [yǒuxiàndiǎnzhèn]
有限點陣 英文
finite lattice
  • : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
  • : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
  • : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
  • : Ⅰ名詞1 (作戰隊伍的行列或組合方式) battle array [formation]: 布陣 deploy the troops in battle fo...
  • 有限 : limited; restricted; finite; a little; not much
  1. Finite point matrix method based on cosine spline

    基於餘弦樣條函數的有限點陣
  2. The signal we named it fundamental wave ; according to the fundamental wave, coefficients of the fundamental wave can be lined in a sequence. when the unique of the dissolve of the fundamental wave can be confirmed, the sequence of the coefficients can be regarded as one of representation forms of the signal itself ; theory of dissolvable signal shows that when order of the matrix of fundamental wave sampling equals to number of fundamental waves, the sequence of the sampling values from sampling points must be matched one by one with the sequence of the coefficients of fundamental waves. the sampling composed by sequences of the sampling values must be full sampling ; the relevant deductions of the theory of dissolvable signal shows that when sampling the signal, sampling frequency must be lager than the ratio of the number of fundamental waves to the occupation time of the fundamental waves ; to band - limited signals, when the fundamental wave is a sine signal, the results from the relevant deductions of theory of dissolvable signal is coherent to the classic sampling theory

    本文通過分析認為,當信號集中的任一信號可表示為一系列已知信號的線性代數和時,信號集便構成可分解信號集,已知信號稱為基波信號;對可分解信號而言,基波系數構成一序列,當對指定的基波信號集分解唯一確定時,系數序列本身便是信號的一個表示;可分解信號采樣定理指出當基波樣值矩的秩等於基波數時,則由采樣處的采樣樣構成的樣值序列必與基波系數序列一一對應,從而由該樣值序列構成的采樣必為完全采樣;可分解信號采樣定理中的推論指出,對信號集進行采樣,采樣頻率必須大於其信號分解的基波數與其對應時長之比;對帶寬信號,若基波信號為正弦信號時,由可分解信號采樣定理推論給出的結論與經典采樣定理一致。
  3. In this thesis, studies are focused on as follows : ( 1 ) based on analyzing the general transfer - matrix, the conception of the generalized double layer soil model is proposed, and the transfer - matrix ( r ) of half - infinite elastic mass is introduce - d to the analytic expressions of stress and settlement under the uniform circular, rectangular and strip vertical loads in multi - layered soil ; ( 2 ) according to the analytic expressions of the additional stress and settlement under unifo - rm circular in multi - layered soil, rectangular and strip vertical loads, the programs are develop - ed to resolve and debugged. the results show that the programs are correct ; ( 3 ) through calculating the coefficient of additional stress on the central axis of uniform circ - ular vertical loads, under the corner point of the uniform rectangular vertical loads, and on the central axis of uniform strip vertical loads, and the settlement on the center of uniform circular vertical loads and uniform rectangular loads in double - layered soil, the characters of stress and settlement are discussed ; ( 4 ) a case, as an example, is studied with different calculation methods, such as traditional theory, fem. the results obtained are compared

    本文在已研究成果的基礎上進一步開展了以下幾方面的研究: ( 1 )在對層狀地基傳遞矩法中的總傳遞矩分析的基礎上,提出了廣義雙層地基模型的概念,並把半無體的傳遞矩r引入到多層地基在圓形垂直均布荷載、矩形垂直均布荷載及條形垂直均布荷載作用下附加應力與沉降的解析式中; ( 2 )根據多層地基在圓形荷載、矩形垂直均布荷載及條形垂直均布荷載作用下附加應力與沉降的解析式,編制了程序,調試通過並驗證了其正確性; ( 3 )通過對雙層地基圓形垂直均布荷載中心軸線上的附加應力系數和荷載中心沉降,矩形垂直均布荷載角下的附加應力系數和荷載角沉降及條形垂直均布荷載中心軸線上的附加應力系數進行的計算,探討了雙層地基中的附加應力與沉降特性; ( 4 )應用本文的層狀地基體系理論對一個工程實例進行了計算分析,並與傳統的計算方法的計算結果和單元方法的計算結果進行了對比分析,結果表明利用層狀地基理論計算更能反映地基中附加應力分佈的實際情況。
  4. According to the computation process of the fem and assumption, associating of the fem mesh that have separated and the grouting stress diffusion equation, the integral stiffness matrix and the load matrix can be formatted, then the displacement of the nodal point can be got after solving the simultaneous linear equations. and then the grouting parameter can be computed and analyzed

    然後,依據元法的計算步驟和所作的假設,結合已經離散化了的網格、灌漿壓力擴散衰減公式,形成整體剛度矩、荷載矩,經求解后得到結的位移,並依此計算分析灌漿參數。
  5. In chapter 4 we discuss the design of the high speed and high performance vlsi and its imp1ementation, firstly we ana1yze and compare the features and ru1es of al1 kinds of fft algorithm, adopt complex radix 4 butterfly calcu1ation as basic alu, then discuss all kinds of process architectures, the design thoughts, rule, method, technique way, the characteristics of the design are r4 dit algorithm, pingpong ram design method and pipeline structure between stages. we also analyze the limited word length effect and the method to avoid overflow of the fixed points fft process, bring out the expandable platform mode

    第四章主要討論了高速高性能的快速傅立葉變換處理器的設計和實現,首先分析和比較了各種快速傅立葉變換演算法的特性和規律,提出基4蝶算的演算法具最好的性價比,討論了順序、級聯、并行和列的處理結構,闡述了設計高速高性能快速傅立葉變換處理器時的設計原則、設計思路、所採用的技術路線,驗證並測試fft處理器,分析了定fft處理過程由於字長效應所產生的量化誤差的范圍及防溢出控制辦法,提出了可擴展平臺模式。
  6. Point to above problems, under the financial support of the national natural science foundation ( exploration of high tech and new concept and new conceive ), the excellent young teachers program of ministry of education and national excellent doctoral dissertation special foundation, the static and dynamic real - time computation of elasticity - plastic mechanics, solving method of fuzzy finite element and other problems were studied in this paper. and some achievement was gained as following : ( 1 ) based on the positive definiteness of system stiffness matrix of finite element that was modified and the form of potential energy function of elastic body, the linear system of saturation mode ( lssm ) was introduced into the neural computation of finite element, by which the no - error solving of finite element neural net computation was realized in theory

    針對上述問題,在國家自然科學基金(高技術新概念新構思探索) 、教育部優秀青年教師資助計劃、高等學校全國100篇優秀博士學位論文作者專項基金等的資助下,本文對彈塑性力學問題的動靜態的實時計算、模糊元的求解方法等問題進行了系統和深入的研究,取得了以下成果: ( 1 )根據元總剛矩經修正後具正定性的特以及彈性體勢能函數的具體形式,將飽和模式的線性系統(簡稱為lssm系統)引入到元的神經網路計算中,在理論上實現了元神經網路計算的無誤差求解。
  7. This paper presents the element stiffness matrix and equivalent node force of the variable cross - section bar. so the approximation in structural analysis is avoided, and the calculation capacity of equivalent frame method is also developed. this helped the engineers avoid the fem, which consume much time and is difficult to master

    本文對板帶寬度變化的板柱結構推導了變截面直桿單元的單元剛度矩和等效結荷載列,避免了在結構分析時所作的近似,也擴大了等代框架法的計算范圍,使工程技術人員免於使用佔用機時、難于掌握的元分析法。
  8. In finite element analysis, the storage needed by a total stiffness matrix for solving a large - scale system of linear equations is related to the sequence determined by numbering of mesh nodes

    摘要在元分析中,求解高階線性代數方程組時整體剛度矩所需存儲與由網格結編號決定的順序關。
  9. Lognitudinal and transversal members of grillage, regarded as cuved - beam element and straight - beam element, are analyzed by finite element method, and the module for grillage static analysis is formed, by using table of information of nodal point restraint to assemble stiffness matrix for structure in restraint

    將梁格縱橫構件分別按曲梁和直梁兩種單元進行元分析,引入結約束信息表進行約束結構剛度矩的組集,形成了曲桿梁格靜力分析模塊。
  10. On the basis of large - displacement virtual principle, the finite element equations of stable type suspension bridge containing towers are driven. the stiffness matrixes of the cable element, the bar element and the beam element using node coordinates are given, too. such method has not been found in reference books

    論文從位移彈性理論的虛功方程出發,推導出穩定橋全橋結構的非線性元運動方程,還推導了用節坐標表示的索單元、桿單元和梁單元的單元剛度矩,這一在參考文獻較少見。
  11. Hunan long - full electronics co., ltd is one of the major enterprises in chingsha nation - class high - tec industrial development - zone. the main product " multi - colour semi - conductor high - light matrix - digital device " was awarded as " national new product " by nation science committee, and was brought into line with " torch plan "

    湖南長富電子公司為長沙國家高新技術產業開發區重企業之一,其主要產品「多色半導體高亮矩數碼器件」已被國家科委等授予「國家級新產品」稱號,並被納入了國家「火炬計劃」 。
  12. So, it takes both advantages of spline finite strip method with less node displacement and that of plastic hinge method with convince of getting plastic elemental stiffness matrix

    因此該方法兼具二者優:樣條條法的位移量少和塑性鉸法形成塑性剛度矩的便利。
  13. The 16 - node degenerated iso - parametric element is proposed for the analysis of raft foundation with mid - thick plate. the stiffness matrix of single pile among the pile group can be founded assuming the total contact between the plate and the foundation. and the results of stress and deformation of plate, the force on pile and the settlement of pile bottom can be solved after the finite element disperse for the plate and the establishment of balance equation of pile - raft interaction

    在引入16節退化等參元的中厚板筏板分析模型的基礎了,假定筏板與地基間完全接觸,建立了群樁中單樁樁身剛度矩,繼而對筏板進行元離散得到樁筏共同作用的平衡方程,從而求解筏板內力、撓度、樁頂反力、樁端沉降等一系列結果。
  14. The internal environment of the group is evaluated by using internal factor evaluation matrix, it is considered that the group has many advantages such as powerful design ability, abundant land reserves, economics of scale etc. and many disadvantages such as limited capital, lack of professional, infirm cost control ability etc. in the thesis, the orientation of scale, grade and area, target market and target client for real estate business of the group is determined on the basis of internal and external environment analyses. swot analyzing model is constructed and quantitative strategic planning matrix is used to analyze and choose the competition strategy which modern group co. may adopted. finally, the competition strategy combination of taking differential strategy as main strategy and target concentrated strategy as auxiliary strategy is determined for real estate business of the group

    再次,分析了當代集團在房地產領域發展具備的基本條件,運用內部要素評價( ife )矩對當代集團的內部環境進行綜合評價,認為當代集團擁設計能力強、土地儲備豐富、實現了規模經濟等優勢,同時也存在資金實力、專業人才不足、成本控制能力不強等劣勢,論文在內外部環境分析的基礎上,對當代集團的房地產業務規模、檔次與區域,目標市場及目標客戶群進行了定位分析,構建了當代集團房地產業務的swot分析模型,運用定量規劃評價矩( qspm )對當代集團房地產競爭戰略進行了選擇分析,確定以差異化戰略為主、重集中戰略為輔的競爭戰略組合。
  15. Cellular automata was applied to solve mechanical problem of plane truss, and the feasibility of which was discussed in this article. the characteristic of cell and the way of dividing cell were studied while presenting a program and its frame chart. the work load of the new method was not much because it neednt form a partial differential set or a general finite element robustness matrix. numerical computing results show that the new method has a rapid speed of convergence to nodal displacement and internal force of element, so it probably has a good prospect in solving solid mechanical problems

    嘗試用細胞自動機作平面桁架力學分析,探討了該方法的可行性.給出元胞的劃分方法和特性,列出計算框圖並編制了相應的程序,由於不必形成結構的偏微方程集或元的總體剛度矩,計算工作量小.算例表明,該方法對結位移和桿內力的收斂速度均較快,是一種分析固體力學問題前景的新方法
  16. Numerical simulation of foundation deformation under asymmetrical loading with the finite element method was performed by use of the cam - clay model and the ohta - sekiguchi model

    摘要用劍橋模型和關口太田模型對偏載作用下的地基變形進行了元數值模擬,並結合真三軸試驗成果比較分析了這2種模型柔度矩的特
  17. In this paper, a generalized hybrid finite strip method is deduded for analyzing the shear lag effect in box girders. it has the advantage of the generalized finite strip method and hybrid stress element. shear lag effect in thin - walled box girder is analyzed with this method and stiffness matrix of generalized hybrid finite strip element is deduced. a calculating program for thin - walled box girder " s generalized hybrid finite strip method is compiled with fortran language and performed in visual fortran environment of pc computer. a typical example demonstrates that the proposed method has higher accuracy and efficiency, is suitable for analysis of shear lag effect in box girders

    本文結合應力雜交元法和廣義條法導出一種用來分析箱梁剪力滯效應的廣義應力雜交條法,它兼應力雜交元和條法的優。運用這種方法對薄壁箱形梁的剪力滯效應進行了分析,推導出廣義應力雜交條元的單元剛度矩,用fortran - 77語言編寫薄壁箱形梁廣義雜交條法程序( hfsbg . for )在visualfortran環境下運行。具體算例的數值結果表明:廣義應力雜交條法用於計算箱形梁的應力分析具很好的精度和效率,適合於分析箱形梁的剪力滯效應。
  18. In this thesis a new numerical method - the finite volume method is developed to achieve the static and dynamic large - deflection response analysis for suspension cables. the finite - volume division scheme is first established along the length of the cable and the deformation of each volume is defined using the common engineering strain concept. based on this strain definition the strain energy of the cable is determined

    首先建立了懸索沿索長方向的體積離散格式,在變形后的構形上按工程方法求得了應變,並進一步得到了應變能和動能的計算式;再根據哈密頓原理導出了懸索大撓度振動的體積離散方程,推出了索的整體節力向量、質量矩和切線剛度矩
  19. Steel frame with welding joint easily occur brittle collapse because of having a low ductility at joints then , a semi - rigid connected steel frame has large the energy absorption capacity which can resist dynamic loads and the using steel qualities of bracing system and joints are small so adopting a semi - rigid jointed steel frame is economical and stable but for semi - rigid connections are complex and variable , in conventional analysis and design of steel structures , it is usually assumed that the connections between columns and beams are either rigid or pinned the analysis of steel frames adopting the assumption can simplify the procedure of analysis and design , but cannot precisely reflect structural practical circumstance and the errors of calculating results are large , even , get incorrect conclusions semi - rigid connection was referred to in chinese code for design of steel structures ( 2001 , 10 ) , however , it isn ’ t specified how to apply semi - rigid joints in design in fact it cannot be carry out the purpose of the paper give a calculating method that accords practical engineering and easily put into effect worthwhile it is going to promote the development of semi - rigid jointed steel frame in design and heighten structural stability in the paper , at first some commonly employed methods for the modeling of connection behavior are introduced richard abbott function modeling of connection is adopted for extended end plate bolted connection by the 34 test data comparing to regression analysis indicate richard - abbott function modeling of connection represents an excellent fit to test data then after a semi - rigid joint behavior can be modeled as a finite stiffness rotation spring , base on rotation and displacement equation derive the element stiffness matrixes with semi - rigid connections where the effects ofj ointed flexibility geometric non - linearity and shear forces in the connection deformations have been considered in and fixed - end forces are modified finally, a program for calculating semi - rigid with incremental - iterative method has been

    本文的目的就是為半剛性連接鋼框架的設計提供一種既符合工程實際又簡便易行的計算方法,供規范使用過程的補充、延伸或參考;同時,也將促進半剛性連接鋼框架設計技術的發展,為提高結構安全性能、節省工程成本發揮應的作用。本文首先介紹了常見的幾種應用較為廣泛的樑柱連接彎矩轉角關系模型,在分析比較的基礎上,選用richard ? abbott函數模型作為外伸端板連接彎矩轉角關系模型,通過對34個外伸端板連接的實驗數據與回歸分析得到的參數比較可知,經回歸分析得到的此模型參數與實驗數據符合較好。然後用彈簧表徵連接的轉動剛度,根據梁的轉角位移方程推導出半剛性連接的剛度矩,在單元剛度矩中考慮了節柔性、幾何非線性和剪切變形的影響,並對固端力進行了修正,最後用增量迭代法編制元程序進行計算和分析。
  20. Theoretical research based on the quasi - static test such as theoretical analysis in nonlinear finite element method, programs to shape function of isoparametric element of hexahedron with eight nodes and to stiff matrix of elements, application of resilience model in degeneration equation of elastic module of concrete goes along

    在試驗基礎上進行了理論研究,用非線性元方法分析框架,編寫了六面體八節等參元形函數、單元剛度矩等部分程序,將恢復力模型應用到混凝土彈性模量退化方程中。
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