In this paper the curved shell elements in orthogonal curvilinear coordinate systems are established.
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2. 采用TL方法给出了有限变形完整理论的曲壳单元列式。
The finite element formulation of this theory is deduced with TL method.
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3. 本文研究了由双曲壳和倒置圆锥壳组成的复杂网壳结构的静力性能。
Firstly, the static behaviour of the complex reticulated shell structure which was composed of hyperboloid shell and inverted conical shell has been studied.
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4. 介绍了利用曲壳模型计算地应力的方法，给出了计算实例和计算结果。
The way of calculation tectonic stress has been introduced by using shell model, calculating example and results can be given.
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5. 本文介绍了球扁壳、回转壳、双曲壳及金字塔型网壳结构的设计和选型。
In this paper, designs and form selections on flat spherical shell, rotatory shell, curved surface shell and pyramidal shell are introduced.
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6. 应用所编制的程序，进行了平板、曲壳以及板式门架的双重非线性屈曲分析。
Using the correlative program, buckling analysis was made with plates, shells and portal frame made of plates.
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7. 提出了在曲壳有限元法中用坐标转换法处理曲面交线处结点位移的连续性问题。
The coordinate transformation method to handle displacement continuation problem on the intersection line of curved surfaces in the curved shell finite element method is presented.
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8. 该单元既可用做实体单元，又可模拟薄曲壳结构，在厚跨比非常小的情况下也能获得令人满意的精度。
This element can be used as solid element and can also be used to model thin curved shell structures.
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9. 研究了双曲扁壳覆盖件的成形机理及回弹特点，分析了双曲度拉延回弹机理。
This study investigates the mechanism of both forming process and springback of the draw formed panel with double curvature.
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10. 研究了温度敏感性对复合材料开口圆柱层压壳热翘曲变形影响。
The impact of temperature dependent material property on the warpage of composite shell segment was discussed.
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11. 得到了该类双曲型斗壳的应力变形分布、率和振型模态，并对颗粒料仓斗壳的外形曲线进行了优化。
The distribution stress and deformation, frequency and mode shape is acquired the outline optimization for the circum-shell of Compounding funnel is also studied.
Though 37 years passed after the double arch and flat shell structure applied in the water power engineering, the rubber canvas faceplate has never been used.
This paper is concerned with a numerical solution of hyperbolic cooling tower shell, a class of full nonlinear problems in solid mechanics of considerable interest in engineering applications.
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14. 本文用力学观点阐明多层重叠冰的形成机制，介绍了弹性板壳压曲破坏模型。
In this paper, the forming mechanism of the multilayer rafted ice is described from mechanics view, and the buckling failure of a plate on an elastic foundation is introduced.
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15. 研究了双曲扁壳覆盖件的成形机理及回弹特点，分析了双曲度拉延回弹机理。
This study investigates the mechanism of both forming process and springback of the draw formed panel with double curvature. The springback is related with the tension strain of the panel surface.
Most injection-molded parts are complicated thin-shell like structure, so the thin shell finite element method is usually used to analyze the warpage and deformation of the parts.
The factors that affect thin-wall mould warpage, such as mould temperature, melt temperature, rate of injection and holding pressure, etc, are analyzed, in addition the ca…
The factors that affect thin-wall mould warpage, such as mould temperature, melt temperature, rate of injection and holding pressure, etc, are analyzed, in addition the ca…
