共被期刊论文引用了4次
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| 1 | 热超弹性圆筒的不稳定性显示文摘应用有限变形弹性理论分析了受内压和轴向拉伸作用的不可压热超弹性圆筒发生非均匀变形的不稳定性问题.受内压和轴向拉力作用的薄壁圆筒,当内压较小时,圆筒发生稳定的均匀膨胀变形;当内压大于某一临界值时,圆筒产生复杂的非均匀变形,其一部分膨胀变形很大,形如‘灯泡”状,而另一部分仅仅是轻微膨胀,且此时的变形是不稳定的.但对厚壁圆筒而言,不论压力如何,总是发生稳定的均匀膨胀变形.根据圆筒的变形曲线,给出了圆筒可以发生不稳定变形的临界厚度.同时,讨论了轴向拉伸和温度场对圆筒变形的影响. | 任九生 程昌钧 | 2007 | 力学学报2007，39，2： | 12 |
| 2 | 超弹性材料的不稳定性问题显示文摘超弹性材料是一类性能独特、不可替代且有广泛工程应用的高分子材料,对其独特的材料不稳定性问题的研究极大地推动了连续介质力学有限变形理论和超弹性理论的发展。综述了超弹性材料中的材料不稳定性问题的研究成果和最新进展,包括Rivlin立方块问题、薄壁球壳和薄壁圆筒的内压膨胀问题、圆柱的扭转问题、块体的表面不稳定性问题、空穴的生成、增长和闭合问题等。阐述了这类材料中各类非线性不稳定性问题的特点、问题的求解、主要结果及今后进一步的研究方向等。 | 任九生 程昌钧 | 2009 | 力学进展2009，39，5： | 9 |
| 3 | DYNAMIC CHARACTERISTICS IN INCOMPRESSIBLE HYPERELASTIC CYLINDRICAL MEMBRANES显示文摘In this paper,the dynamic characteristics are examined for a cylindrical membrane composed of a transversely isotropic incompressible hyperelastic material under an applied uniform radial constant pressure at its inner surface.A second-order nonlinear ordinary differential equation that approximately describes the radial oscillation of the inner surface of the membrane with respect to time is obtained.Some interesting conclusions are proposed for different materials,such as the neo-Hookean material,the Mooney-Rivlin material and the Rivlin-Saunders material.Firstly,the bifurcation conditions depending on the material parameters and the pressure loads are determined.Secondly,the conditions of periodic motion are presented in detail for membranes composed of different materials.Meanwhile,numerical simulations are also provided. | Datian Niu Xuegang Yuan Changjun Cheng Jiusheng Ren | 2010 | Acta Mechanica Solida Sinica2010，23，5： | 2 |
| 4 | Analytical approach for the design of convoluted air suspension and experimental validation显示文摘An improved analytical design to investigate the static stiffness of a convoluted air spring is developed and presented in this article.An air spring provides improved ride comfort by achieving variable volume at various strokes of the suspension.An analytical relation is derived to calculate the volume and the rate of change in the volume of the convoluted bellow with respect to various suspension heights.This expression is used in the equation to calculate the variable stiffness of the bellow.The obtained analytical characteristics are validated with a detailed experiment to test the static vertical stiffness of the air spring.The convoluted air bellow is tested in an Avery spring-testing apparatus for various loads.The bellow is modeled in the ABAQUS environment to perform finite element analysis(FEA)to understand and visualize the deflection of the bellow at various elevated internal pressures and external loads.The proposed air spring model is a fiber-reinforced rubber bellow enclosed between two metal plates.The Mooney-Rivlin material model was used to model the hyperelastic rubber material for FEA.From the results,it is observed that the experimental and analytical results match with a minor error of 7.54%.The derived relations and validations would provide design guidance at the developmental stage of air bellows.These expressions would also play a major role in designing an effective active air suspension system by accurately calculating the required stiffness at various loads. | Gokul Prassad Sreenivasan Malar Mohan Keppanan | 2019 | Acta Mechanica Sinica2019，35，5： | 2 |
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