geometric non-linear 中文意思是什麼
geometric non-linear
解釋
幾何非線性-
Abstract : based on the principle of mininmum potential and using rayleigh - ritz method, the geometric non - linear analysis of higher bridge piers was solved in this paper. the new concept of equivalent horizontal force proposed by the author may be casily to calculate the second effect, which was produced due to the vertical forces and resisted by the piers and rubber pad bearings incorporately. the simple formula in this paper are applicable to calculate by hand, understood clearly without computation of successive iteration, higher precision and graspable easily for the disigmer therefore it has the practical significance
文摘:根據最小勢能原理，用瑞雷-里茲法解決了高橋墩的幾何非線性分析問題；其次，提出了等效水平力的新概念，可以方便地解決橋墩和板式橡膠支座聯合抵抗垂直力所產生的二次效應問題.筆者提出適合於手算的簡便計算公式，概念明確，勿須迭代運算，精度較高，易為設計人員掌握，因此具有實用價值 -
Finally, the author has made some suggestions and data about geometric non - linear effect and spatial self - bracing function on aseismatic design of multi - storey and highrise concrete frame structure
最後，對抗震設計中考慮幾何非線性效應及空間相互作用對多高層框架結構的影響提供一些參考建議和資料。 -
This paper is concentrated on the space geometric non - linear static analysis and vibration analysis of the long span plate - truss composite cable - stayed bridges. 1
本文是針對大跨徑板桁結合斜拉橋的空間幾何非線性靜力分析及結構的動力分析兩個方面而展開研究工作的。 -
A space geometric non - linear static finite element analysis program about the long span plate - truss composite cable - stayed bridges is presented. not only it can be used to solve the space static analysis about the state of the dead load configuration ( geometry and internal forces ), but also it can be used to analyze the internal forces and deformations of the whole construction course
基於以上理論，並結合斜拉橋的施工過程，編制了大跨徑斜拉橋的空間幾何非線性靜力分析程序，既可用於斜拉橋成橋狀態的空間靜力分析，也可結合斜拉橋的具體施工過程，進行施工過程中的內力與變形狀態的跟蹤分析。 -
The static analysis of the long span plate - truss composite cable - stayed bridges. first, the cr formation on the geometric non - linear structural analysis is introduced. next, the structural discretization of cable - stayed bridge, the stiffness matrix the formation of nodal force and the simulated construction system are introduced
首先介紹了本文採用的桿系結構幾何非線性問題的分析方法? cr列式法，其次介紹了板桁結合斜拉橋的結構離散及桿單元、梁單元的剛度矩陣以及節點力的形成方法，然後介紹了斜拉橋施工模擬體系的形成。 -
Non - linear dynamics characters of a rotor system for an elastic shaft - disk with a crack are examined by introducing the geometric non - linearity and equivalent line - spring model
本文引入了幾何非線性關系和等效線彈簧模型對含裂紋的彈性軸彈性盤轉子系統進行非線性動力學分析。 -
Energy method for the geometric non - linear analysis of higher bridge piers
高橋墩幾何非線性分析的能量法 -
Three circumstances on the geometric non - linear analysis are considered : the sag phenomenon of cables the nonlinear behavior of bending members and the geometry change due to large displacement. the non - linear behavior of cables is verified by introduced the ernst cable modulus of elasticity and cr formation is applied to analyze the non - linear of beams. an incremental - iterative method based on the newton - raphson method is adopted here to solve the non - behavior equations
幾何非線性分析主要考慮三個方面：索的垂度效應、樑柱效應和結構大位移，其中：索的非線性分析採用ernst彈性模量對索材料的彈性模量進行修正，計及索的垂度效應的方法；梁單元的非線性分析採用cr列式法，計算中採用基於newton - raphson法的增量迭代方法求解非線性方程組。 -
A detailed model of non - linear parametric excitation vibration coupling the stay cable and the girder, in which the static sag as well as the geometric non - linearity are considered, is proposed in this paper. based on several numeric examples investigated by the galerkin method composed with the integration strategy, several kinds of factors effecting stay cable parameter vibration are studied. another parameter vibration model by the axial excitation is presented and the corresponding nonlinear equations are derived
本文創新地提出了斜拉橋拉索-橋面耦合參數振動模型，推導了索-橋耦合非線性參數振動方程組，聯合galerkin法及數值積分方法，對各種特性的拉索進行了數值求解，得出了影響拉索參數振動的各種因素；提出了斜拉索受軸向端激勵參數振動模型，導出了模型的非線性振動方程，使用諧波平衡法得出了產生參數振動需要的最小激勵幅值、共振時瞬態及穩態的振動幅值及索拉力的變化特性，並用數值積分方法對實際斜拉橋拉索進行了計算，分析了拉索阻尼對參數振動的影響。 -
In the beginning, some general ways of image pretreatment technique are introduced, including geometric correction methods of image, radiometric correction of image and filtering wave and removing noise. video image with strong noises is well restored by a integrated filtering wave methods among some non - linear filtering wave methods, which prepare for the image registration following
論文首先介紹了常用的圖像預處理技術，包括幾何畸變校正，輻射畸變校正和圖像濾波，然後對機載攝像機獲取的視頻圖像進行了校正和綜合非線性濾波處理，從而為后續匹配處理做好了準備。 -
It is studied in this paper by large - scale universal program ansys the problem about geometric non - linear effect on earthquake - resistant behavior of multi - storey and highrise concrete frame structure under strong - motion earthquake and is also analyzed in full spatial self - bracing function which is ignored by planar model of multi - storey and highrise concrete frame structure
本文主要運用大型通用有限元程序ansys研究幾何非線性效應對多高層混凝土框架結構在強震作用下抗震性能的影響問題，另外，對多高層混凝土框架結構取平面模型所忽略的空間相互作用也詳加分析。 -
Secondly, the author assumes material is elastic, separately adopts planar model and spatial model of the 6 - 12 - 18 - storey spatial concrete frames reckons in shear deformation and axial deformation and contrastingly analyzes lateral displacement of the frames under taft. e1 - centro and tianjfn seismic wave considering geometric non - linear effect or not in order to find out the rule about geometric non - linear effect on earthquake - resistant behavior of multi - storey and highrise concrete frame structure under strong - motion earthquake. simultaneously, the author weighs the effect of spatial self - bracing function on structural analysis by contrasting lateral displacement between planar model and spatial model of the frames
其次，作者在彈性材料假定下，對六層、十二層、十八層空間混凝土框架，分別取其空間模型和平面模型，計入剪切變形、軸向變形的影響，按考慮幾何非線性因素與否，分別在taft 、 e1 ? centro及天津地震波作用下，作以對比分析，以找出幾何非線性效應對多高層混凝土框架結構在強震作用下抗震性能的影響的規律；同時，對平面模型與空間模型之間的空間相互作用，均以其幾何非線性情況下的位移反應作對比分析，來衡量空間相互作用對結構分析的影響。 -
Aiming at main project of the xiaoxihu bridge, a low pylon cable - stayed bridge, based on the existing theory and method of the bridge construction controlling theory, using the basic function of " ansys ", farther exploitation was done on concrete elasticity and creep calculating distinguishingly, nonlinearity analysis theory was used to construct the space model, the main beam, string pylon and abutment were simulated by the beam elements which was considered the shearing effect. which is worthy of considering that using the geometric non - linear truss elements to simulate the stayed - cable, form traveler is modeled as structure elements and participate in stress analysis. four stages are used to model the construction stage, which are : ( 1 ) the erection of form traveler ; ( 2 ) placing the segmental concrete ; ( 3 ) jacking the tendons ; ( 4 ) tensioning the stay cables
針對建設中的小西湖矮塔斜拉橋的主體工程，結合已有的橋梁施工控制的理論和方法，利用大型通用計算軟體ansys的基本功能，並著重在混凝土彈性計算及徐變計算方面做了相應的二次開發，採用非線性分析理論並建立了空間結構模型、用考慮剪切作用的梁單元模擬主梁、索塔和橋墩；用可考慮幾何非線性的桁元模擬斜拉索、施工掛藍作為結構單元進行拆裝，參與受力計算，整個施工過程按施工循環周期分為若干階段，每個階段又分為四個工況，即：空掛藍就位、澆築完畢階段混凝土、張拉預應力鋼筋和張拉斜拉索。 -
Based on image sparse representation, researched the background, development and non - linear approximation of the multiscale geometric analysis, and respectively analyzed the advantages and disadvantages. finally, pointed out the developing direction
摘要以函數的稀疏表示為主線，詳細介紹了各種多尺度幾何分析產生的背景、發展歷程和逼近性能，並分析了它們各自存在的優缺點，最後指出了其發展方向。 -
The behavior of concrete - filled t - and y - connections is examined by means of nonlinear finite element analysis ( fea ). the connection is modeled using shell, solid and contact elements, and analyzed concerning material, geometric and contact non - linear
採用殼單元、實體單元和接觸單元建立了節點的有限元模型，有限元分析綜合考慮了材料非線性、幾何非線性和接觸非線性問題。 -
From the elasticity variational principle, the governing dynamic differential equations of the geometric non - linear beam with large deflection is deduced
摘要通過彈性力學變分原理建立了大撓度非線性梁的控制微分方程組。 -
In this thesis, it is the first time that both 3d analysis concerning material and geometric non - linear and test research have been carried on the staggered truss system. supported by the science and technical research foundation of ministry of education ( no. 99089 ), the national natural science foundation ( no. 50078021 ) and college doctor foundation of ministry of education ( no. 2000053203 ), this thesis is aimed at offering convicting evidence for the coming 《 technical specification for steel structure of light - weight building systems 》
本文結合教育部科學技術研究重點項目（項目號99089 ） ，和國家自然科學基金（批準號50078021 ） 、高校博士點基金（批準號2000053203 ）等資助項目，首次對交錯桁架結構體系展開空間三維的二階彈塑性全過程分析和模型試驗研究，旨在為該結構在工程中的應用提供設計依據，為我國制定《輕型房屋鋼結構技術規程》提供理論基礎。 -
Firstly, related to the problem about many kinds of geometric non - linear factors and shear deformation which are not differentiated definitely in a lot of studies, several kinds of beam element stiffness matrices respectively corresponding to geometric non - linear factors and shear deformation are derived as far as planar beam element is concerned and geometric non - linear factors of beam element in frame structure are analyzed systematically
本文首先針對眾多研究中對多種幾何非線性因素及剪切變形等不加以明確區分的問題，以平面桿單元為例，分別推出與多種幾何非線性因素及剪切變形相對應的桿單元剛度矩陣，系統闡述框架分析中桿單元的幾何非線性因素。 -
In the yield data acquire multi - line geometric in a radial pattern is adopted. before theoretical explanations about the non - uniqueness of inversions and the necessity of constrains are illustrated, the description of linear travel - time interpolation ( lti ) calculations, the derivation of jacobian linear equations, and the deductions of solving large sparse matrix equations, i. e. the lsqr iterations, are involved. in order to cope with the uncertainties in tomography, we reach several categories on constraint methods
對於野外數據採集採用多測線上放射狀布置檢波器；圍繞層析成像方法，文章分析了線性差值射線追蹤lti技術，推導出在矩形網格內速度以雙線性關系變化時方程組的解析式，進一步詳細探討方程組的求解方法，即最小平方正交分解法，並給出了迭代公式。
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