Some intriguing results are reported in conjunction with closed form solutions obtained for a clamped-free vibrating inhomogeneous column under an axial concentrated load using the semi-inverse method. Fourth order polynomial is postulated for both the vibration mode shape and buckling displacement. Solution is provided for the flexural rigidity and the natural frequency. It is shown that, for each level of axial loading, there may exist up to five flexural rigidities satisfying the governing differential equation and boundary conditions.
Some Intriguing Results Pertaining to Functionally Graded Columns
Manuscript received October 24, 2011; final manuscript received October 19, 2012; accepted manuscript posted October 30, 2012; published online May 23, 2013. Assoc. Editor: Alexander F. Vakakis.
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Elishakoff, I., and Miglis, Y. (May 23, 2013). "Some Intriguing Results Pertaining to Functionally Graded Columns." ASME. J. Appl. Mech. July 2013; 80(4): 041021. https://doi.org/10.1115/1.4007983
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