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- The 4 node quadrilateral shell element with an one point integration is employed in the model of safety cover of grinder. 采用顯式時(shí)間積分格式，磨床安全防護罩采用一點(diǎn)積分的4節點(diǎn)雙線(xiàn)性殼單元。材料服從等向強化塑性準則。
- The shell is modeled by a doublly curved quadrilateral shell element or triangular flat shell.They are suited for various mesh rezoning and any type of layup. 殼結構用四邊形雙曲殼或三角形平板殼模擬，可以適應各種 網(wǎng)格劃分和任意鋪層方式。
- 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采用了八結點(diǎn)曲面四邊形等參單元。
- Based on 4-nodes quadrilateral mixed interpolation shell element and Total Lagrange formulations, elastic-plastic finite element analysis was made for the mechanical behavior of circular radial slotted plane rupture discs. 摘要基于T.;L
- This composite shell element possesses function for linear, geometry nonlinear and thermo-elastic analysis. 該復合材料殼元具有線(xiàn)性、幾何非線(xiàn)性及熱彈性分析功能。
- One is taper section 3D beam element model, the other is 3D compounding model with solid element and shell element. 結果表明，在均布荷載與集中荷載作用下箱梁的剪力滯效應明顯不同，對于地震時(shí)程反應分析而言，采用變截面三維梁?jiǎn)卧Ｐ陀嬎阈瘦^高。
- A new type of shell element is presented to form an equilibrium equation with unknown node - displacements. 提出一種新的板殼單元,建立以結點(diǎn)位移為未知量的平衡方程組,組裝得到的整體剛度矩陣為稀疏帶狀矩陣。
- In this paper,a degenerated beam element is developed,evolving from a bilinear degenerated shell element. 從雙線(xiàn)性退化板殼單元出發(fā),演繹推導出了一種可以應用于空間有限元分析的退化梁?jiǎn)卧?/li>
- Based on the assumed natural strain(ANS) theory,this paper has studied a novel macro triangular partition shell element. 針對剪切閉鎖效應,本文研究了一種基于假設自然應變方法的宏觀(guān)三角形分區平板殼單元。
- The finite element model with shell element and beam element was established,the mechanical behavior of anchorage zone under the most unfavorable load was analyzed. 采用板殼單元和梁?jiǎn)卧⒘怂髁哄^固結構的有限元模型,對索梁錨固區在最不利荷載組合作用下的受力性能進(jìn)行了研究;
- For this reason, a new axisymmetric curved shell element with independent deflection and slope is presented by means of introducing generalized conforming condition int. 為此,通過(guò)對現有的軸對稱(chēng)殼體單元的研究,基于加權殘值法,將廣義協(xié)調條件引入剪應變場(chǎng),構造了一種撓度和轉角各自獨立的新型軸對稱(chēng)曲殼單元。
- An axisymmetric shell element for both mid-thick and thin shells are presented. 推導了一種中厚殼和薄殼都運用的軸對稱(chēng)殼單元。
- Using improved thick shell element program, this paper analyses the space mechanics of shoping plate arch bridge with varies slope, produces the difinition of limitation slope. 利用改進(jìn)的厚殼元程序，詳細分析了斜板拱橋在不同斜度情況下的空間受力特性，提出“界限斜度”的概念。
- Numerical examples demonstrate that the four-node degenerated shell element proposed in this article has excellent performance and can avoid all kinds of locking problems. 數值結果表明，構造的四結點(diǎn)退化殼元擁有很好的性能，可避免各種自鎖問(wèn)題。
- Taking a bridge for example, the 3D finite model composed of shell element is used to analyze the stress disturbing of main loaded members of steel anchorage and to summarize the force transmission route. 以某鋼箱梁自錨式懸索橋鋼錨碇為背景,建立鋼錨箱的板單元空間有限元模型,分析計算其鋼錨箱主要受力板件的應力分布情況,總結鋼錨固系統的傳力途徑。
- D finite element analysis is done for the static and dynamic characteristics of large-scale prestressed U-shaped thin shell aqueduct with shell element and 3-D isoparametric element adopted. 采用殼體單元和三維等參單元,對大型預應力U型薄殼渡槽靜動(dòng)力特性進(jìn)行了三維有限元分析,給出了靜力分析結果,并與模型試驗作了對比。
- For this problem,finite element method based on deep shell element(much project practice prove veracious) is taken to calculate SCF and compared with the results of the method KAW、DNV and EFT. 針對這一問(wèn)題,利用基于厚殼元的有限元法(大量工程實(shí)踐檢驗結果表明該方法計算結果相對準確)對K型管節點(diǎn)的應力集中系數進(jìn)行了計算,并將計算結果與KAW、DNV及EFT法計算結果進(jìn)行了對比分析。
- The fabric sheet is discretized with 8-node shell elements which are specially designed to describe the large rotation of fabric sheet during draping. 織物片用8結點(diǎn)殼單元離散，這種殼單元被特別設計，能描述織物片在懸垂中發(fā)生的大轉動(dòng)。
- Based on plane beam element model, the local space shell element model is put forward and applied to calculating and analyzing a long span, prestressed concrete, slant legged rigid frame bridge. 提出了一種基于平面模型的局部空間殼單元模型計算方法,并應用通用有限元軟件對一大跨度預應力混凝土斜腿剛構橋進(jìn)行了計算分析。
