網的彈性 的英文怎麼說
中文拼音 [wǎngdedànxìng]
網的彈性
英文
elasticity of net-
Perfect pre - processing and post - processing function is one of the main factors to evaluate the vitality and market value of the finite element analysis system surveying today development of finite element analysis technology, most of which concentrate on establishing fine user interface, also has some limitation on application, and especially, the research on the visualization of arbitrary cut - plane is always in ascendants to realize the visual processing on cut - plane needs reprocessing the results of finite element analysis which have get, so the algorithm is two parts : seeking the physical value of cut - plane and drawing 2d contours, the former, based on the theory of stress on " arbitrary inclined plane " in physical mechanics, use the method of linear interpolation method to get the coordination and physical value of intersection between cut - plane and element arris ; the latter, based on the tables on elements, nodes, stress and strain, summarize a rapid algorithm of generating 2d contours based on the grid. this thesis synthesizes there two parts and get a visual processing program under fortran
縱觀有限元分析技術的發展,目前大多集中在建立良好的用戶界面上的研究仍存在許多應用上的局限性,其中對任意剖面上可視化的研究仍處于方興未艾的階段。要實現任意剖面上可視化處理,必須先將得到的有限元計算結果進行再處理,因此在演算法上分為兩部分:求任意剖面上物理量值的演算法及二維等值線演算法。前一部分以彈性力學中「任意斜截面的應力」為理論基礎,利用線性插值方法得到截面與單元棱邊的交點坐標及交點物理量值;在此基礎上;根據已得到的單元及節點序號表、應力應變物理量表,總結出一種基於有限元剖分網格的快速生成二維等值線的演算法。Procreant knowledge expression and forward inference engine are adopted in the method of fault diagnosis based on expert system theory. in the fault diagnosis applying neural network theory, six kinds of improved arithmetic of back - propagation arithmetic, including gradient descent with momentum, variable learning rate back - propagation, resilient back - propagation, quasi - newton, levenberg - marquardt and conjugate gradient, are applied to diagnose the faults of electric load manage center and solid state power controller. different diagnostic results gotten by simulation are compared at last
在基於專家系統的故障診斷方法中,採用了產生式知識表達和正向推理機制;在基於神經網路的故障診斷方法中,則分別採用了bp神經網路的附加動量法、自適應學習速率、彈性bp演算法、擬牛頓法、共軛梯度法和levenberg - marquardt法對電氣負載管理中心和固態功率控制器的故障進行診斷,並對由模擬得到的不同診斷結果進行比較。This fact has an important implication for extension to 3d configurations. comparing the synthetic seismogram by using cartesian grids with the synthetic seismogram by using the curved grid, it can prove the approach is effective
通過聲波模型和彈性波模型在直網格下的合成記錄與在曲網格下的合成記錄的比較驗證了方法的有效性與精確性。Ligo leather company was established in 1986 as a leather importer, and is stepping into the 19th year in the operation of leather business with famous leather tanneries all over the world. here in taiwan, our subsidiary noble furnishing is a leather stockist whom supply the leather to major sofa makers in taiwan
獸皮是所有原料當中最適合人類使用的材質,它具備了透氣性高、彈性,甚至不易毀損的特性,基於鼓勵大家愛用皮革的理念,季憲公司也嘗試把皮革放在網路上販賣。Finally for all the above aeroelastic problems, distributed parallel computation is accomplished
最後對以上氣動彈性問題的數值計算進行了基於微機網路的分散式并行計算研究。In this article, according to heat conduction theory, elastic creep theory and finite element theory, the temperature field and creep stress field in the arch dam during construction and operation are simulated and analyzed by means of three dimensional finite element relocating mesh method, and the distribution law of the temperature field and creep stress field in the arch dam during construction and operation are systematically studied, and according to the construction process of concrete arch dam, the effect of lamination placement, construction interval, elastic modulus change, thermal insulation change, surrounding temperature change, concrete creep and autogenous volume change on thermal stress in the arch dam are also considered
論文根據熱傳導理論、彈性徐變理論及有限元理論,用三維有限元浮動網格法對拱壩施工期和運行期溫度場、徐變應力場進行了全過程模擬分析,較為系統的研究了混凝土拱壩施工期和運行期溫度場、徐變應力場的分佈規律,在分析中按照混凝土拱壩施工過程,考慮了混凝土分層澆築、施工間隙時間、彈模變化、絕熱溫升過程、環境溫度的變化、混凝土徐變、自生體積變形等因素對壩體溫度應力的影響。In the research of value domain segmentation of images, a modified variance algorithm, a subtraction segmentation algorithm and an improved pulse coupled neural networks segmentation algorithm are proposed. in order to successfully implement the space domain segmentation, this paper also develops an algorithm that can distinguish connexity between pixels and extract the feature parameters in one image scanning procedure
在圖像值域分割研究中,根據炸彈在雙能量x光圖像中的特性,提出了三種分割演算法:一種修正的最小類內方差分割演算法,一種雙能量x光圖像差減分割演算法,和一種改進的脈沖耦合神經網路圖像分割演算法。In the second level, it used stressful grids characteristic to class accurately and in the third level, used neutral network tools and gives the last output
第二級,使用筆畫密度特徵和比畫四分解的彈性扇形網格特徵進行細分。Simultaneity, through contrast analysis validate that antiseimic capacity of expansion web is better than that of steel web. therefore, based on the experiences summed up by precedence, the formulation for calculating the crack load and limit load of brick masonry house reinforced by expansion web is advanced, which provides project reference. based on the analysis and studies of masonry shearing strength, test of prestressed single brick masonry wall, and test of prestressed brick masonry house models, and ect, the article has carried through several aspect research as below : 1. a series of experiment on material capability of expansion web, including intensity of single thread and expansion web, ect ; 2. research on influence of loading and destroy of masonry brick building reinforced by expansion web under lowcyclic loading ; 3. study of impact of expansion web on ductility, energy dissipation, intensity, ect under the same situation as above ; 4. put forward computation formulation of masonry brick building reinforced by expansion web
本著以上的研究目的,本文在分析和借鑒前人砌體抗剪強度理論、預應力單片墻試驗研究、預應力模型抗震性能試驗研究等基礎上,進行了以下幾方面的研究工作: 1 .作為一種新型結構材料擴張網,進行了一系列的材性試驗(單絲強度、網片強度和在砂漿中被約束條件下的網片強度及其相應的彈性模量) ; 2 .研究了水平荷載往復作用(低周交變)下,普通鋼絲網和擴張網砂漿對砌體結構抗裂及承載能力和破壞形態的影響,並將這兩種材料的加固效果進行了對比; 3 .上述狀態下,兩種網片水泥砂漿對砌體結構變形、延性、耗能、剛度退化等抗震性能的影響及其影響效果的比較; 4 .提出擴張網水泥砂漿加固砌體結構的抗剪強度計算建議公式。On the basis of kineto - elastodynamics ( ked ), modern control theory and neural networks ( nn ), this dissertation studies, in a systematic way, the theory and the methods of the nn based active vibration control of flexible linkage mechanisms whose flexible links are incorporated with piezoceramic actuators and strain gauge sensors
本文首次將機構運動彈性動力學、現代控制論及神經網路理論相結合,以具有壓電陶瓷作動器與電阻應變計傳感器的平面彈性連桿機構為研究對象,系統地開展了基於神經網路的彈性連桿機構振動主動控制的理論、方法與實驗研究。Some achievements acquired are as the follows : ( 1 ) to meet the demands of the identification and control of nonlinear dynamic systems, the dynamic recurrent neural networks ( drnn ) are applied in this study, which integrate the nonlinear mapping abilities of the feedforward nn with the dynamic evolution capabilities of the feedback nn
本文的研究成果包括: 1 .為滿足非線性動態系統辨識與控制的需要,本文結合了靜態前饋神經網路與動態反饋神經網路的優點,採用具有隱層自反饋的elman型動態遞歸神經網路( drnn )以實現基於神經網路的彈性連桿機構振動主動控制。Has studied change features such as under - development district " property of many stages " of the district highway construction development scope, feature of catastrophe and the elasticity attenuation with the economic development etc, and the reasonable scope model - - network knot - point model is determined out
在分析部分國家公路建設發展歷程的基礎上,研究了欠發達地區公路建設發展規模的「多階段性」 、 「突變性」及與經濟發展的彈性衰減等變化特點,確定出適合欠發達地區的合理規模模型? ?網路結點模型。Analysis of peer - to - peer network resilience
對等網路的網路彈性分析The cold - formed square hollow section columns are widely used in various structures such as building structure, trusses, space frames and offshore plates etc. this paper is mainly doing the research on load carrying capacity of the cold - formed square hollow section columns under axial load, the paper includes the following main contents : ( 1 ) an elastic buckling stress for cold - formed square hollow section is presented by finite element analysis, and is compared with the result given by classical elastic buckling theory ; ( 2 ) the elastic - plastic non - linear behavior of the cold - formed square hollow section columns analyzed by ansys is presented ; ( 3 ) by using material model, and geometry nonlinear analysis, the cold - formed effect to stub columns of cold - formed square hollow section is studied ; ( 4 ) by using an material model, the geometry nonlinear analysis, the influence of initial geometrical imperfection to stub columns of cold - formed square hollow section is also analyzed ; ( 5 ) the load carrying capacity of the cold - formed square hollow section columns, which are including the cold - formed effect and influence of initial geometrical imperfection is analyzed by non - linear finite element, and the theoretical analysis results are compared with the results of experimental study and the results calculated by specification gb50018 - 2002
冷彎方管作為軸心壓桿廣泛用於房屋結構、桁架、網架、塔架以及海洋平臺等結構中,本文主要研究軸心受壓冷彎方管的承載力性能,內容主要包括以下一些: ( 1 )對冷彎方管的彈性臨界應力進行有限元分析,並與經典理論結果進行對比,以驗證有限元程序的適應性; ( 2 )闡述冷彎方管採用有限元彈塑性非線性分析理論及應用ansys軟體的非線性分析方法; ( 3 )採用彈塑性模型,考慮幾何非線性及材料非線性,對不同寬厚比的軸心受壓冷彎方管柱的冷彎效應進行有限元非線性分析研究; ( 4 )考慮冷彎效應對屈服應力的影響,對不同寬厚比的軸心受壓冷彎方管短柱在不同初始變形下的承載力性能進行有限元非線性研究; ( 5 )考慮冷彎效應、幾何初始變形,對不同長細比和不同寬厚比的軸心受壓冷彎方管長柱的承載力性能進行有限元非線性研究,並與試驗結果以及我國現行規范gb50018 ? 2002計算結果進行對比分析。Based on matlab system, a multi - layer back propagation neural network model was developed, in which the effects of the depth from surface to the tunnel axis, tunnel diameter, groundwater level, as well as the elastic modulus, shear strength, side pressure coefficient and unit weight of soil and the space between excavated wall and lining on the ground subsidence were considered
採用matlab系統開發了一個多層反向傳播神經網路模型,考慮了隧道的深度、隧道的直徑、地下水位、土的彈性模量、土的剪切強度、土的側壓系數、土的重度和開挖間隙對地表沉降的影響。The resilience of gnutella network was analyzed, and the result was compared with that of er and eba model.
分析gnutella網路的網路彈性,包括對于隨機攻擊的容錯性和對于選擇性攻擊的抗攻擊性,並與er模型和eba模型進行了對比。Investigate customers " satisfaction and analvze the results on fix date, so improve service and increase customers " satisfaction. 4. smcc should emphasis on creating excellent figures, making a service promise to the society, strengthening creditable customers marketing, improving the network quality and using flexible pri ? tactics
3 、定期對移動用戶進行滿意度調查分析,以改進服務,提高用戶滿意度; 4 、四川移動通信公司應著重在塑造優質企業形象、實施服務社會承諾、強化大客戶營銷、提高網路服務質量和實行靈活的彈性資費策略上下功夫。The article synthesizes the transducer technique, the detection technique and the computer technique to build a healthy intellective monitor system, which measuring the pressure value of structure and convert it into the electrical value which is convenient to research such as the voltage and the current. the upper computer can obtain pressure values by transmitting and analyzing the electrical values
本文主要根據此結構物所處外部環境,將傳感技術、檢測技術和計算機網路技術結合起來建立一個結構智能監測系統,其原理是測量應力的風壓力所引起的應變傳感器的彈性形變,把結構物所受壓力轉換成電壓、電流等便於測量的電信號,再通過傳輸並測量這些電信號而對應得到此結構所受到的壓力值。Study on network resilience is about the characteristics of robustness and vulnerability in random failing of nodes and intended attacking on nodes
網路彈性研究的是網路在節點失效或被有意攻擊下所表現出來的特徵。Collagen is a major fibrous component of many types of connective tissue and it is the elasticity of the material that makes it a good source for tennis string
膠原是似纖維的連接部分的主要組成成分,並且它可以給網球線提供很好的彈性。分享友人