shell element 中文意思是什麼
shell element
解釋
殼體元素-
With the fea software ansys and shell element which has high - precision, this dissertation optimize the size and thickness of skeleton section and seek steel pipe which still have strength and stiffness surplus under static state working condition : sinkage of 240mm of rear wheel. it ' s fully loaded in the state of static bending and torsion. after that, amelioration is achieved for even strength design
本課題運用ansys有限元分析軟體，並且使用精度較高的shell殼單元作為建模單元，在靜態條件下，通過對左右後輪下沉240mm的彎扭聯合工況的模擬分析，尋找出骨架中存在強度和剛度富裕的構件，使之達到輕量化改進的目的。 -
Therefore it is started with the derivation of variational equation, full formulations including contact boundary conditions, internal forces of shell element are given, and the algorithms for contact - surfaces searching, contact - force computation, and even time integration for the response computation are listed as well
為此，文中從推導變分方程開始，給出了包括接觸邊界條件、殼單元內力計算在內的全部列式，並列出了識別接觸界面的搜索演算法，接觸力計算以及動力響應計算的時間積分演算法的有關公式等等。 -
Study advances in the elastoplastic large deformation solid shell element models
大變形彈塑性固殼元模型研究進展 -
A new axisymmetric curved shell element for thin thick shell
一種薄殼厚殼通用的軸對稱曲殼單元 -
Locking - free degenerated isoparametric shell element
無鎖定的退化的等參殼元 -
The research object in this text is the actual project - - the mansion of yatingyuan ( 40 layers above the ground, 125. 4 meter high ). the structure - design is by satwe and the analysis of the structure dynamic characteristic and earthquake response by sap2000, whose calculation models are set up according to the actual size of the structure. in satwe, the analysis model of beam and column is simulated by frame - element, slab is plane - element, shear - wall is wall - element and slab is infinitely rigid in the internal and zero in the external ; in sap2000, beam and column is frame - element, slab and shear - wall is shell - element and slab is elastic floor
本文以實際工程項目? ?雅庭園商業中心大廈（地面以上40層，建築總高度為125 . 4米）為研究對象，結構設計採用satwe ，結構的動力特性和地震反應分析採用sap2000 。結構satwe和sap2000分析的計算模型均按結構的實際尺寸建立， satwe分析模型的樑柱採用桿元模擬，樓板用薄壁殼元模擬和剪力墻用墻元模擬，樓板平面內無限剛、平面外剛度為零； sap2000分析模型的樑柱採用桿元模擬，樓板和剪力墻用殼元模擬，樓板為彈性板。 -
A wavelet - based flat shell element using b - spline wavelet on the interval and its application
樣條小波平板殼單元及應用 -
As for side box girder, the elastic theoretical solution has been introduced. the method is based on stress function and regards side box girder as combine of plate element and shell element. then the force and stress formulae for flanges have been derived
對于邊箱式截面主梁，本文介紹了彈性理論解法，基於翼板單元應力函數，將邊箱梁視為板單元和筒殼單元的組合體，從彈性力學出發，推導出板中法向應力。 -
Soil springs are used around the pipe including vertical, lateral and axial soil springs to consider the interaction between the pipeline and the surrounding soil. the pipe segment near fault that usually suffers large deformation is modeled with a plastic shell element in order to consider the effect of local buckling and section deformation. to reduce the calculating time of the whole model, an equivalent spring proposed by the author is applied at two ends of the shell model
為了解決現有的殼單元方法需要大量計算機時的缺點，本論文首次從理論上把離斷層較遠管土之間相對變形較小的管子直線段部分的變形等效為一個非線性彈簧，將此等效邊界引入到有限元模型中，使得模型中的殼單元部分主要用來分析我們所感興趣的在斷層附近發生大變形的管段，從而達到節約計算時間的目的。 -
Since it is difficult for the cable or beam model to consider the large deformation in the pipe crossing section, the fem analysis with shell element has been proposed to investigate the response of pipe. takada ( 2000 ) proposed a simplified design formula to obtaining the maximum strain in steel pipes based on the parametrical study using a beam - shell hybrid fem
現在的抗震規范和有關研究中，還很少有估計大變形時管子內的應力應變的方法，雖然2000年高田至郎等人基於殼有限元模型的參數研究提出了設計用的簡化計算公式，但在他們的分析模型中存在一些問題有待改進。 -
Quadrilateral thin shell element based on area coordinate for dynamic explicit analysis
薄板成形動力顯式有限元演算法與面積坐標四邊形單元模型 -
Eight - nodded curvilinear quadrilateral isoparametric shell element is used both in the fem and in the bem
在有限元方法和邊界元法中均採用了八結點曲面四邊形等參單元。 -
The principle of the predigestion in geometry modeling is omitting the function part and the non - load - carrying process structure, and to the big and transition arc, the curve is replaced by straight line using the thought of curve and free - surface segmentation. the physical characteristic of the digital model reflect on remaining the main mechanical characteristic of the objects. the shell element model is used in strength analysis, stiffness analysis and dynamic analysis
文中幾何建模的簡化原則是，略去功能件和非承載的工藝結構，對于大圓弧和過渡圓弧，以曲面分塊和曲線分段的思想進行適當的以直代曲;數模的物理特性反映在最大限度地保留對象的主要力學特性;在強度、剛度和動態分析中採用殼元模型，輕量化設計中採用梁元模型;材料特性根據所用材料定義其主要性能參數。 -
The main research is as follows : analyze and research the boundary constraint and the structure characteristic and segment the frame making use of the shell element, the pipe element etc. on the base of it the practical finite element model has been established ; analyze the mode of the frame by dint of the finite element model. and get the inherent frequency and the vibration mode of the frame. tentatively estimate the dynamic characteristic of the frame and analyze the inherent frequency that may be lead to the resonance
論文的主要研究工作如下：分析研究車架的邊界條件和結構特性，並用殼、管等單元對該車架進行離散，建立一種切實有效的車架有限元模型；對該車架的有限元模型進行模態分析，求得其的固有頻率和振型，並對車架的動態特性做出初步評估，分析可能引起車架振動的固有頻率；在模態分析基礎上，研究發動機輸出的簡諧力引起的車架位移響應（即諧響應分析） ，以考察摩托車車架各部位的振動情況並與模態分析對比，分析是否與該車架的固有頻率相耦合而導致共振；在深入研究車架的模態分析及諧響應分析、清晰地認識了摩托車車架動態特性的基礎上，分析並提出了採用橡膠減震器對車架進行隔振的減震方法。 -
A new nonlinear finite element model which applies subsystem connect beams element and space degenerate shell element to analyze eccentric braced structural energy - dissipation and links collapse mechanism is presented in this paper
本文提出了應用子結構法聯合梁單元與空間退化曲殼單元分析偏心支撐鋼框架耗能性能及耗能梁段破壞機理的非線性有限元分析模型。 -
Abstract : in this paper, the static shape control of the flexible intelligent thin - shell structure is derived by the intelligent thin - shell element of ref. 5. finally, a numerical example of a paraboloid antenna is given
文摘:應用文獻5給出的三維智能薄殼單元研究了柔性薄殼智能結構的靜態形狀控制問題，給出了拋物面形天線的靜態形狀控制算例。 -
A 8 - node flat shell element based on the generalized conforming condition
一種基於廣義協調條件的八結點平板殼單元 -
The 3 - node triangular flat shell element, which is included in the element libraries of most famous commercial fem softwares, is widely used because of its outstanding merits. therefore, a great deal of attention has been paid to develop an efficient model
平板型殼元是一種應用廣泛的殼體單元，大多數現行著名商用有限元軟體的單元庫中都包含有該單元類型，對該類單元的研究也是學術界感興趣問題之一。 -
In this dissertation, several simple and effective approaches are presented to construct high performance elements for linear and nonlinear analysis of plate and shell structures. the main contributions of this dissertation are as follows : 1. the stabilization matrix of the generalized conforming element gt9, the membrane part of the generalized conforming flat shell element gst18, is derived
2 .推導了單元gst18用於彈塑性分析的有限元增量方程，通過用戶子程序接入有限元軟體abaqus ，全面的比較了gst18單元和abaqus單元庫中的三角形平板殼元stri3在彈塑性分析中的表現，包括計算精度、收斂性、對網格方向的敏感性、以及計算效率等，可以看到gst18擁有更高的性能。 -
Based upon established analytical model, the finite element models of laminated shell pasted with piezoelectric units, are formulated, which employ a novel eight - node degenerated shell element - a - piezo element, then the model are converted into form of state space and transfer function
在解析模型的基礎上，運用有限元方法，構造了一種新型的八節點退化殼元? ? piezo單元，推導建立了表面粘貼有壓電材料的層合殼結構的有限元動力學模型，並將其轉換成狀態空間和傳遞函數形式。
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