nonlinear code 中文意思是什麼

nonlinear code 解釋
非線性碼
  • nonlinear : 非線性的
  • code : n 1 法典；法規。2 規則，準則；（社會、階級等的）慣例，習俗，制度。3 （電）碼，代碼，密碼，暗碼；...
  1. Based on the analysis of mechanism for joint region, the " frame - wall " and " aslope compression stub column " mechanical models and yielding patterns of core zone of the joints are set up. the shear load - carrying formulation for joint core zone is also given in terms of plastic ultimate analysis. and then, the comparisons between the formulas given in this paper and that of chinese design code ( draft ) and nonlinear fem as well are presented

    對節點核心區的抗剪，通過受力機理的分析，建立了鋼「框架剪力墻」加混凝土「斜壓短受力體系及其屈服機制，根據塑性極限分析，給出了節點核心區抗剪承載力計算的迭加公式， 《規程》公式和非線性有限元近似模擬分析結果進行了比較。
  2. Secondly, nonlinear threshold of two - dimensional rt instability was analyzed in planar and cylindrical and spherical geometries. density amplitude was defined relating to instable interface and formulae of nonlinear threshold values for rt instability in three geometries were given, then the lared - s code was used to simulate two - dimensional rt instability in three geometries and simulation results agreed well with the formulae

    其次，討論了二維平面、柱和球幾何中rt不穩定性發生非線性偏離的閾值問題，給出了三種幾何中密度擾動振幅的非線性閉值公式，並且用lared一s程序進行了檢驗，計算結果表明柱和球幾何中的模藕合機制與平面幾何不同，存在幾何效應的影響。
  3. So it can be one method to track the transaction. ( 2 ) uses combinatorial theory and constructs nonlinear dbbd ( differential balanced block design ) code as fingerprint for digital media ( image, video, etc )

    利用組合設計理論中的均衡關聯區組設計，構造出非線性均衡關聯區組設計碼作為數字媒體（圖像、視頻等）指紋碼字，該碼字具有抵禦串謀攻擊的特性。
  4. The adjoint code technique is employed for projecting the adjoint programs of betts - miller cumulus convection scheme of lasg - rem model and their correctness is verified, indicating that the adjoint program and its nonlinear program are converse in theory

    採用伴隨碼方法構造了lasg - rem模式的betts對流參數化方案的伴隨程序，並對其正確性進行了檢驗，結果表明編制的betts方案的伴隨程序與非線性程序在理論上是可逆的。
  5. Through a performance analysis and simulation on generated methods, maximum minimum distance, undetected error probabilities, code weight distribution, good extended shortened codes are determined and general rule is concluded. furtherly, the paper generates nonlinear extended shortened codes

    通過對擴展縮短crc碼的構造方法、最小距離、不可檢錯誤概率、碼重分佈等進行理論分析和模擬，得到了擴展縮短crc碼的好碼，並綜合出普遍規律。
  6. In chapter 2, the first and the second section give explicit explanations of how to use split - step fourier transformation ( ssft ) algorithm and finite - difference methods to solve nonlinear equation. a code table, in which a list of normalized transmission formula is included, is given to facilitate programming

    第二章，前兩節詳細介紹了如何用分步傅里葉變換演算法和有限差分法實際求解非線性方程，並給出了求解光束、脈沖及脈沖光束的歸一化方程編碼表，供編程參考。
  7. This system can process linear frequency modulation signals ( lfm ), nonlinear frequency modulation signals ( nlfm ) and taylor quadriphase code signals with time width under 42 s and band width under 5mhz. the experimental results demonstrate that the specification characteristics meet the requirements of practical radar systems

    該系統可處理時寬在42 s以內?帶寬在5mhz以下的線性調頻信號（ lfm ） ，非線性調頻信號（ nlfm ）和taylor四相碼信號，且技術指標完全滿足實用系統的設計要求。
  8. Morever, the author studys the method of incremental dynamic analysis and apply this method to the seismic performance of structures. in the static pushover analysis, basic concepts and different application methods of the static nonlinear pushover analysis are summarized, some key problems of the static nonlinear pushover analysis are improved, that is, the instantaneous adaptive lateral load pattern is gained by the internal force of the structure and the target displacement is obtained by combining the capacity spectrum method with the code response spectrum

    在非線性靜力分析中，綜合闡述了pushover分析的理論基礎和不同的具體應用方法，並在pushover方法的關鍵問題荷載分佈模式和目標位移的確定上提出新的方法，即由結構受力反推得到的瞬時的適應性的荷載分佈模式和結合中國抗震規范反應譜的能力譜法確定目標位移的方法。
  9. ( 3 ) fem basic theory of foundation pit excavation stimulation is expounded, numerical model and method of construction simulation are determinated, which includes simplification of two - dimension problem and constitutive model of soil mass i. e. constitutive model of duncan - chang hyperbola model, numerical ways of initial situ stress, stimulation of equal nodal load of foundation pit excavation, nonlinear solutions of basic equations, fem disposing of inner supporting and pre - axial force etc. further fem code of stimulation of foundation pit excavation is compiled

    闡述了基坑開挖模擬的有限元基本理論，確定計算模型及施工模擬方法。包括二維問題的簡化、土體的本構模型，即鄧肯-張雙曲線本構模型、初始地應力場的計算方法、基坑開挖等效結點荷載模擬、基本方程的非線性解法、內支撐及預加軸力的有限元處理等，並編制了模擬基坑開挖的有限元程序。
  10. Based on the self - consistent nonlinear theory of complex cavity gyrotron with gradual transition, a simulation code of self - consistent nonlinear beam - wave interaction has been made, in which the multiple modes interaction with an electron beam and the mode coupling are taken into account. the interaction between the electron beam and hsn - h521 rf field for third - harmonic gyrotron is simulated. the influences of the thickness and the velocity spread and the velocity ratio of the electron beam and the fluctuation of the magnetic field and the technologic errors of complex cavity on the multi - modes interaction with an electron beam are analyzed

    二、在漸變復合腔迴旋管多模自洽非線性理論的基礎上，編制了高次諧波漸變復合腔迴旋管多模注?波互作用自洽非線性模擬軟體，並對8mm波段三次諧波漸變結構復合腔迴旋管的注? ?波互作用進行了大量的自洽非線性數值模擬計算與研究，進而分析了電子注的厚度、速度零散、速度比值、磁場波動、腔體尺寸的加工誤差等等多種因素對互作用效率的影響。
  11. Four types of constitutive models are provided by the code : linear elastic model, duncan - chung model, nonlinear elastic model taking stress path into account and modified three - element model. contact element is used to simulate possible sliding between soil and structure. with this code, analysis is made concerning the pore pressure dissipation, lateral deformation of the support, ground settlement, bottom heave, and variation in earth pressure and support forces ; both effects of consolidation and coupled effects of consolidation and creep are considered ; furthermore, different combinations of cohesion, permeability and excavation width are elaborated

    該程序採用了更合理的開挖荷載的計算方法，可以引入線彈性、鄧肯張非線彈性、考慮應力路徑的非線性彈性和修正三元件模型等四種本構模型，並在擋墻和土之間設置薄層接觸面單元以模擬土體和墻體在開挖過程中可能產生的滑移。
  12. The main contents of the paper are : ( 1 ) review the state and art for fiber - wound vessel with metal inner lining ; ( 2 ) provide a method to present the technical features including wound process, equal stress dome and fiber gathering at the dome etc. ( 3 ) establish a finite element analysis model considering nonlinear physical and geometrical effects and develop a equivalent constitutive relation for winding graphite fiber reinforced plastic layers ; ( 4 ) set up a failure criterion for the inner metal lining and winding graphite fiber reinforced plastic layers ; ( 5 ) develop a corresponding engineering analysis code based on the commercial software ansys ; ( 6 ) investigate the plastic deformation and residual stress in the inner lining due to winding tension and pre - tension, and stress distribution of the composite vessel under service loading case

    本文旨在為具有金屬內襯的纖維纏繞復合容器的參數設計提供分析模型、方法及工程軟體。論文主要內容是： （ 1 ）對復合容器分析國內外研究的概述； （ 2 ）復合容器的幾何表徵方法及工藝中若干力學問題； （ 3 ）復合容器結構分析的物理和幾何非線性有限元列式及其纖維層的等效本構關系； （ 4 ）復合容器的破壞類別； （ 5 ） ansys程序的二次開發； （ 6 ）典型復合容器的數值討論。本論文工作將對工程界復合容器設計和分析工作者具有參考價值。
  13. After comparing between the finite - element analysis and experimental results, the author verified the fem. then according to the chinese code, the nonlinear finite model of the beam - to - column is established which are made of different size components. the responses of beam - to - column web moment connections which are made of different size components are compared and analyzed from three facets, and the conclusions about the joints behavior are drawn : thicken the connection plate, lengthen the connection plate or use a back - up stiffer can improve the connection behavior, consist of improving the behavior of load - supported and reducing the stress convergence in the flange moment plates

    本文根據我國規范的有關規定，自行建立了12個不同構件尺寸的樑柱腹板連接的三維有限元模型，對不同構件尺寸的樑柱腹板剛性連接節點在單向荷載作用下的反應進行了研究，從結構的mises應力等值線示意圖、梁端加載處的荷載? ?位移曲線、翼緣連接板兩端的mises等效應力以及翼緣連接板與柱相連接的三邊的mises應力等值線示意圖四方面進行了比較與分析，從而得出了不同構件尺寸的樑柱腹板剛性連接的在受力行為上的結論：增加翼緣連接板的厚度、增加翼緣連接板的長度以及採用柱的橫向加勁肋均可以改善節點的受力性能：提高節點的承載能力；減小翼緣連接板內部與柱翼緣邊的的應力不均勻現象，從而避免試件過早地發生破壞。
  14. By employing a 2. 5d particle - in - cell code, which involves the space - charge - effect and the nonlinear beam - wave interaction, the microwave development process in rtto is simulated

    利用考慮了空間電荷效應和束波非線性相互作用的2 . 5維pic粒子模擬程序，我們模擬了rtto中微波的產生。
  15. As a complex nonlinear dynamics behavior, chaos is a general phenomenon in nature and is one of the most important discoveries in the 20th century later. chaos, which is generated by non - linear dynamical system, possesses many unusual characteristics and these characteristics enable chaos to have a great charming prospect and practical value in secure communication field. recently, chaotic communication has become a new and promising subject, so this dissertation selects it as research direction, and analyses emphatically the applications of chaos in cdma communication system. the main works are as follows : ( 1 ) chaotic phenomena and its related problems are summarized, and these problems, such as the relation of spread - spectrum code in cdma communication system and chaotic sequences, and the relation of chaotic synchronization and system secret performance, are discussed

    混沌是一種特殊復雜的非線性動力學行為，也是自然界普遍存在的現象，被認為是二十世紀末期最重要的科學發現之一。有確定性非線性動力學系統產生的混沌具有許多奇異的特性，顯示了混沌在保密通信等領域有著誘人的應用前景和重大的實用價值，目前，混沌理論在通信中的應用是一個全新的前沿課題。本文以此作為研究方向，著重分析了混沌在碼分多址通信系統中的應用。
  16. In the static nonlinear pushover analysis, basic concepts and different applicable methods of the static nonlinear pushover analysis are summarized. then the lateral load pattern and the target displacement, which are key problems of the static nonlinear pushover analysis, are improved. the new developed lateral load pattern is the instantaneous adaptive lateral load pattern gained by the internal force of the structure, and the new developed capacity spectrum method combined with the code response spectrum is used to gain the target displacement. at the same time, a pushover analysis of circulating load pattern is developed, and a relevant static nonlinear pushover analytic program is provided. the analytic results of two examples demonstrated that the instantaneous adaptive lateral load pattern is able to reasonably capture the important response attribute and that the pushover analysis of circulating load pattern compared with the pushover analysis of single direction load pattern can more accurately reflect the effect of the earthquake

    在非線性靜力分析（ pushover分析）中，綜合闡述了pushover分析的理論基礎和不同的具體應用方法，並在pushover方法的關鍵問題荷載分佈模式和目標位移的確定上提出新的方法，即由結構受力反推得到的瞬時的適應性的荷載分佈模式和結合中國抗震規范反應譜的能力譜法確定目標位移的方法，同時提出一種新的循環往復加載的pushover應用方法，並編制了專門的pushover分析應用程序，應用此程序對不同算例進行分析，算例分析證實由結構受力反推得到的瞬時的適應性的荷載分佈模式能夠較好的模擬地震過程中實際的結構受力反應情況，循環往復加載的pushover分析方法較單向加載的pushover分析更能準確的反映實際的地震作用對結構的影響。
  17. Based on the elastic and plastic mechanics, using the finite - element analysis, the nonlinear finite model of the beam - to - column is established according to the american code. the model involved geometry, material nonlinear and friction. the response of beam - to - column web moment connections under monotonous load is researched on

    本文在彈性力學和塑性力學的基礎上，利用非線性有限單元法，建立了考慮幾何非線性、材料非線性以及摩擦等參數的樑柱腹板連接的非線性有限元模型，模擬研究了鋼框架樑柱腹板連接在單向荷載作用下的反應。
  18. And relying on this, our laboratory proposes a new cladding method. by means of large dynamic explicit fem code ansys / ls - dyna, the numerical simulation was carried out in bimetal forming process. during the simulation of the forming process, the large deformation of the strip should be considered, as well as geometrical and material nonlinear, the contact between the roller and the strip, the contact between two metal sheets and the load. as for these problems, we can use node to surface contact and relative parameters, biso model is introduced, the load is applied as array

    本文採用ansys / ls - dyna計算程序為分析工具，對鋸齒形雙金屬復合板成型過程進行計算機數值模擬，在對軋制過程模擬時，針對軋件變形的幾何非線性和材料非線性特點、軋輥與軋件間的接觸、軋件間的接觸以及模型的加載等問題，給出了在ansys / ls - dyna中相應的解決方法：應用nodetosurface接觸方式，設定相應參數，選用雙線性等向硬化模型，載荷作為array施加在剛體質心。
  19. This paper firstly compares the provisions about torsion effect and anti - torsion design in several codes ( the old and new chinese code for seismic, and some other countries " codes ). then, according to the code for seismic design of buildings ( gb50011 - 2001 ) and the code for concrete structure design ( gb50010 - 2002 ), the paper designs two multi - storied irregular concrete spatial frames, which respectively situated at the area of fortification intensity 8 and 9. subsequently, using the program based on the column - beam element of fiber model, input several ground motion records, which are selected according to the demand of code, to carry the structures " three - dimensional nonlinear analysis in two perpendicular directions at the same time

    本文對比了我國新、舊建築抗震設計規范（ gb50011 - 2001 、 gbj11 89 ）以及國外設計規范（或指南）中關于結構扭轉效應與抗扭設計的相關規定；按照新建築抗震設計規范和混凝土結構設計規范（ gb50010 2002 ） ，設計了設防烈度分別為8度和9度的兩個多層鋼筋混凝土不規則空間框架結構，利用纖維模型樑柱單元的三維非線性動力分析程序，根據新抗震設計規范的要求，在設防地震作用和罕遇地震作用水準下選擇適當的地震波作為輸入，對結構進行了雙向地震作用下的三維非線性動力反應分析。
  20. Firstly, based on semi - analytical method, the computer code odlcaos for linear consolidation of saturated soil and odncaos for nonlinear consolidation of saturated soil are developed by fortran programming considering the effect of stress history of soil

    首先，通過半解析法，採用fortran語言分別編制了求解考慮應力歷史影響的單層飽和土地基一維線性固結和一維非線性固結問題的計算程序odlcaos和odncaos 。
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