The free vibration of curvilinearly stiffened doubly curved shallow shells is investigated by the Ritz method. Base on the first order shear deformation shell theory and Timoshenko’s 3-D curved beam theory, the strain and kinetic energies of the stiffened shells are introduced. Numerical results with different geometrical shells and boundary conditions, and different stiffener locations and curvatures are analyzed to verify the feasibility of the presented Ritz method for solving the problems. The results show good agreement with those using the FE method.
Free Vibration of Curvilinearly Stiffened Shallow Shells
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Shi, P, & Kapania, RK. "Free Vibration of Curvilinearly Stiffened Shallow Shells." Proceedings of the ASME 2013 International Mechanical Engineering Congress and Exposition. Volume 4A: Dynamics, Vibration and Control. San Diego, California, USA. November 15–21, 2013. V04AT04A049. ASME. https://doi.org/10.1115/IMECE2013-63814
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