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    Propagation of Axisymmetric Transients in a Rod

    Source: Journal of Engineering Mechanics:;1987:;Volume ( 113 ):;issue: 006
    Author:
    David P. Thambiratnam
    ,
    V. Thevendran
    DOI: 10.1061/(ASCE)0733-9399(1987)113:6(843)
    Publisher: American Society of Civil Engineers
    Abstract: The propagation of axisymmetric transients in a rod, governed by the Mindlin‐McNiven theory, is treated by the method of wave‐front expansion. The transients are due to impulsive‐end loading specified in the form of stress, strain, velocity, or acceleration boundary conditions. The analysis is based on the concept of a wave as a carrier of discontinuities in the field variable and its derivatives. These discontinuities are determined from a set of recurrence relations, which are in turn generated using time‐harmonic asymptotic series solutions to the equations of motion. Discontinuities of all orders are determined and the transient solution obtained as a series expansion behind the wave front. The entire solution procedure has been programmed and requires a minimum of input data. Numerical examples are presented to illustrate the method and the results are discussed. Distortion of the transient waves is clearly seen from the results where axial force, strain, velocity, and acceleration responses are presented.
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      Propagation of Axisymmetric Transients in a Rod

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    contributor authorDavid P. Thambiratnam
    contributor authorV. Thevendran
    date accessioned2017-05-08T22:17:46Z
    date available2017-05-08T22:17:46Z
    date copyrightJune 1987
    date issued1987
    identifier other%28asce%290733-9399%281987%29113%3A6%28843%29.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/76597
    description abstractThe propagation of axisymmetric transients in a rod, governed by the Mindlin‐McNiven theory, is treated by the method of wave‐front expansion. The transients are due to impulsive‐end loading specified in the form of stress, strain, velocity, or acceleration boundary conditions. The analysis is based on the concept of a wave as a carrier of discontinuities in the field variable and its derivatives. These discontinuities are determined from a set of recurrence relations, which are in turn generated using time‐harmonic asymptotic series solutions to the equations of motion. Discontinuities of all orders are determined and the transient solution obtained as a series expansion behind the wave front. The entire solution procedure has been programmed and requires a minimum of input data. Numerical examples are presented to illustrate the method and the results are discussed. Distortion of the transient waves is clearly seen from the results where axial force, strain, velocity, and acceleration responses are presented.
    publisherAmerican Society of Civil Engineers
    titlePropagation of Axisymmetric Transients in a Rod
    typeJournal Paper
    journal volume113
    journal issue6
    journal titleJournal of Engineering Mechanics
    identifier doi10.1061/(ASCE)0733-9399(1987)113:6(843)
    treeJournal of Engineering Mechanics:;1987:;Volume ( 113 ):;issue: 006
    contenttypeFulltext
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