期刊论文详细信息
American Journal of Engineering and Applied Sciences
Analysis of a Beam Made of Physical Nonlinear Material on Nonlinear Elastic Foundation under a Moving Concentrated Load| Science Publications
E. Mardani1 
关键词: Physical nonlinear;    moving load;    hamilton principle;    euler lagrange equation;    duffing equation;   
DOI  :  10.3844/ajeassp.2008.324.328
学科分类:工程和技术(综合)
来源: Science Publications
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【 摘 要 】

A prismatic beam made of a behaviorally nonlinear material was analyzed under a concentrated load moving with a known velocity on a nonlinear elastic foundation with a reaction the vibration equation of motion was derived using Hamilton principle and Euler Lagrange equation. The amplitude of vibration, circular frequency, bending moment, stress and deflection of the beam can be calculated by the presented solution. Considering the response of the beam, in the sense of its resonance, it was found that there is no critical velocity when the behavior of the beam and foundation material is assumed to be physically nonlinear and there are finite values for the deflection, stress and bending moment of the beam when

【 授权许可】

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