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载电流简支杆的磁弹性屈曲和过屈曲

MAGNETOELASTIC BUCKLING AND POST-BUCKLING OF SIMPLY-SUPPORTED CONDUCTING ROD

  • 摘要: 讨论了磁场中载电流简支杆的非线性稳定性问题,其磁场由两根无限长平行直导线产生,并且自然状态的简支杆位于两导线的中间.结果表明,两导线间的距离和电流方向对杆过屈曲的性态有着显著的影响.

     

    Abstract: The magnetoelastic buckling and post-buckling of a simply-supported conducting rod in a magnetic field are studied.The magnetic field is produced by currents flowing in a pair of infinitely long paraelle wires and the natural state of the rod is in the plane of the wires and equidistant from the two wires. Under the spatial deformation, the mathematical model of theproblem is derived,and the linearized equations are studied. It is shown that the buckled states of the rod are always in planar deformations. S...

     

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