Applied Mathematics and Mechanics (English Edition) ›› 2018, Vol. 39 ›› Issue (10): 1485-1498.doi: https://doi.org/10.1007/s10483-018-2372-8

• 论文 • 上一篇    下一篇

Revisiting the elastic solution for an inner-pressured functionally graded thick-walled tube within a uniform magnetic field

Libiao XIN1,2, Yanbin LI3, Dongmei PAN4, Guansuo DUI5, Chengjian JU5   

  1. 1. Shanxi Key Laboratory of Material Strength & Structural Impact, College of Mechanics, Taiyuan University of Technology, Taiyuan 030024, China;
    2. National Demonstration Center for Experimental Mechanics Education, College of Mechanics, Taiyuan University of Technology, Taiyuan 030024, China;
    3. Applied Mechanics of Materials Laboratory, Department of Mechanical Engineering, Temple University, Philadelphia, Pennsylvania 19122, U. S. A;
    4. Department of Civil and Environmental Engineering, University of Houston, Houston, Texas 77204, U. S. A;
    5. Institute of Mechanics, Beijing Jiaotong University, Beijing 100044, China
  • 收稿日期:2018-04-14 修回日期:2018-06-18 出版日期:2018-10-01 发布日期:2018-10-01
  • 通讯作者: Libiao XIN E-mail:xinlibiao@tyut.edu.cn
  • 基金资助:
    Project supported by the National Natural Science Foundation of China (No. 11772041)

Revisiting the elastic solution for an inner-pressured functionally graded thick-walled tube within a uniform magnetic field

Libiao XIN1,2, Yanbin LI3, Dongmei PAN4, Guansuo DUI5, Chengjian JU5   

  1. 1. Shanxi Key Laboratory of Material Strength & Structural Impact, College of Mechanics, Taiyuan University of Technology, Taiyuan 030024, China;
    2. National Demonstration Center for Experimental Mechanics Education, College of Mechanics, Taiyuan University of Technology, Taiyuan 030024, China;
    3. Applied Mechanics of Materials Laboratory, Department of Mechanical Engineering, Temple University, Philadelphia, Pennsylvania 19122, U. S. A;
    4. Department of Civil and Environmental Engineering, University of Houston, Houston, Texas 77204, U. S. A;
    5. Institute of Mechanics, Beijing Jiaotong University, Beijing 100044, China
  • Received:2018-04-14 Revised:2018-06-18 Online:2018-10-01 Published:2018-10-01
  • Contact: Libiao XIN E-mail:xinlibiao@tyut.edu.cn
  • Supported by:
    Project supported by the National Natural Science Foundation of China (No. 11772041)

摘要: In this paper, the mechanical responses of a thick-walled functionally graded hollow cylinder subject to a uniform magnetic field and inner-pressurized loads are studied. Rather than directly assume the material constants as some specific function forms displayed in pre-studies, we firstly give the volume fractions of different constituents of the functionally graded material (FGM) cylinder and then determine the expressions of the material constants. With the use of the Voigt method, the corresponding analytical solutions of displacements in the radial direction, the strain and stress components, and the perturbation magnetic field vector are derived. In the numerical part, the effects of the volume fraction on the displacement, strain and stress components, and the magnetic perturbation field vector are investigated. Moreover, by some appropriate choices of the material constants, we find that the obtained results in this paper can reduce to some special cases given in the previous studies.

关键词: thick-walled tube, discrete type, absolute stability, necessary and sufficientcondition, Lune problem, functionally graded material (FGM), magnetic field, elasticity solution, perturbation of magnetic field vector

Abstract: In this paper, the mechanical responses of a thick-walled functionally graded hollow cylinder subject to a uniform magnetic field and inner-pressurized loads are studied. Rather than directly assume the material constants as some specific function forms displayed in pre-studies, we firstly give the volume fractions of different constituents of the functionally graded material (FGM) cylinder and then determine the expressions of the material constants. With the use of the Voigt method, the corresponding analytical solutions of displacements in the radial direction, the strain and stress components, and the perturbation magnetic field vector are derived. In the numerical part, the effects of the volume fraction on the displacement, strain and stress components, and the magnetic perturbation field vector are investigated. Moreover, by some appropriate choices of the material constants, we find that the obtained results in this paper can reduce to some special cases given in the previous studies.

Key words: discrete type, absolute stability, necessary and sufficientcondition, Lune problem, functionally graded material (FGM), thick-walled tube, elasticity solution, magnetic field, perturbation of magnetic field vector

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