節點力矩陣 的英文怎麼說
中文拼音 [jiédiǎnlìjǔzhèn]
節點力矩陣
英文
nodal force matrix- 節 : 節構詞成分。
- 點 : 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「、」)...
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 矩 : 名詞1. (畫直角或正方形、矩形用的曲尺) carpenter's square; square2. (法度; 規則) rules; regulations 3. [物理學] moment
- 陣 : 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...
- 節點 : [電學] panel point; hybrid; packing; node; nodal points; joint of framework; pitch point; point pitch
- 矩陣 : [數學] matrix; array
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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。When analyzing skew support continuous curved box girder bridge, curved grid girder analyzing method considering warping effect is applied. matrix displacement method is applied in analyzing skew support continuous curved thin - walled box girder bridge with restrained bearing. in order to convert original rigidity equations to structural rigidi ty equations that can be solved, bearing nodal displacement matrix can be introduced, then unknown quantities at the edge of beams can be consistent with the restrained directions of skew bearings, unit rigidity matrix and unit nodal forces can be gained. structural rigidity matrix can be composed according to matrix displacement method, so nodal displacements and inner forces on the end of the rod that are unknown can be gained calculating equations of inner forces on any cross - section can be solved
分析斜支承連續曲線箱梁橋時,採用考慮翹曲作用的曲線格子梁分析方法,應用矩陣位移法對具有約束支承形式的斜支承連續曲線薄壁箱梁橋進行分析,考慮到支座的約束條件並不與梁端彎曲角位移和扭轉角位移的方向一致,引入支座節點坐標矩陣,使得梁端的位移未知量與斜支座約束方向一致,來計算單元剛度矩陣和單元節點力,然後按照矩陣位移法組集總剛並建立結構剛度方程,根據結構剛度方程即可求解未知的節點位移及桿端力,推導出任意截面處的內力計算公式。Firstly, the paper introduces the principle of instituting contact interface element and the format of integral method for element stiffness matrix ; secondly, because of the zero of displacement and load of soil in the infinite boundary, the unique shape of element stiffness matrix is obtained for coupling the three different elements
文中首先闡述了接觸元建立的方法以及單元剛度矩陣的積分方法;由於無限遠處的土場位移、地震作用力皆為零,計算中對該單元剛度矩陣的形式不同於四節點等參元,文中推導了平行無限元的單元剛度拒陣方,並介紹了無限元單元剛度矩陣組裝原理。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節點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陣,繼而對筏板進行有限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。From the global stiffness matrix of plane frame, condensing the static force and eliminating the coupling of vertical force and displacement and other broad sense force and displacement, obtained the vertical stiffness matrix of plane frame structures subjected to vertical earthquake action considering the influence of horizontal girds and nodal
從平面串並聯多質點系結構的總剛度矩陣中,採用靜力凝聚法,消去豎向力和豎向位移與其它廣義力和廣義位移之間的耦聯關系,得出框架結構在豎向地震作用下考慮水平梁和節點轉角影響的豎向剛度矩陣。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有限體積離散格式,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有限體積離散方程,推出了索的整體節點力向量、質量矩陣和切線剛度矩陣。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有的作用。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點的轉動剛度,根據梁的轉角位移方程推導出半剛性連接的剛度矩陣,在單元剛度矩陣中考慮了節點柔性、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有限元程序進行計算和分析。First, this paper presents some obs core node switch architectures. especially, analyses different switch and conflicting ability with different switch architectures. then this paper research a new switch architecture, . with simulation results, it compare with other artchitecture ’ s performances
首先,本文介紹了現有的幾種obs核心節點交換結構,主要分析了不同twc 、 fdl配置和不同交換矩陣所組成的交換結構在交換能力和沖突情況上的不同。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,用非線性有限元方法分析框架,編寫了六面體八節點等參元形函數、單元剛度矩陣等部分程序,將恢復力模型應用到混凝土彈性模量退化方程中。This dissertation applies 3 - d finite element theory to development of the shape functions and stiffness matrixes of the triangular prism isoparameter elements ( 6 to 15 nodes ). a calculating method for gaussian integral in triangular prism is presented. the stress field in welded steel structures can be computed by the triangular prism isoparameter elements ( 6 to 15 nodes ) and hexahedron isoparameter elements ( 8 to 21 nodes )
本文應用三維有限元理論,構造了一類五面體6 15節點單元的形函數,提出了在五面體單元內的gauss積分處理方法,建立了相應的單元剛度矩陣,將其與六面體8 21節點單元結合,可用於計算焊接鋼結構的應力場。Based on the assumption of periodic rubbing force in rotor system, the rubbing forces onto each node of rotor system are estimated by modal expansion technique and the sub - harmonic decomposition of residual matrix between faulty and faulty - free vibration signals of rotor system through fft ( fast fourier transformation )
基於轉子系統碰摩力的周期性假設,利用模態擴展方法,對故障和健康轉子系統振動信號的殘差矩陣進行傅立葉級數的分頻諧波近似,估算得到轉子軸承各節點的碰摩力。In the finite element method analysis, the constitutional relationships of steel and three - dimension compressed concrete were conducted by using increment plastic theory. in the paper a serious of joint models were analyzed by using the program ansys and the mathematical formulas for determination of load - carrying capacity of shearing and bending in the joint region were also given. at last the influence of many parameters to the load - carrying capacity in the joint region was analyzed and some suggestions were given for the design in the practical projects
在有限元分析中,用增量塑性理論推導出鋼材以及三維受壓混凝土的本構關系,重點是三維受壓混凝土的本構關系,建立了模型的單元剛度矩陣,給出了程序中非線性方程的求解方法,並用ansys軟體計算了一系列節點模型,得出了節點域的抗剪、抗彎承載力及各參數對節點域承載力的影響情況,並用試驗結果和計算公式驗證了有限元計算結果。By determining the zero - energy modes of piezoelectric multilayer element, eight stress modes on piezoelectric sub - element are obtained. 4. a finite element program for piezoelectric laminates is developed, examples of the piezoelectric laminates are presented to identify the accuracy and the continuity of transverse stress
利用等函數方法推導了正交異性情況下的三維8節點單元所具有的應力模式,並依據多層層合單元的零能模式判據,得到最終具有8個應力模式的應力矩陣。分享友人