Chapter 22 IS4ALL Method Base: Choosing Micro-methods and Tailoring to Custom Practices

Author(s):  
Demosthenes Akoumianakis ◽  
Constantine Stephanidis
Keyword(s):  
Author(s):  
Peng Shi ◽  
Rakesh K. Kapania

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.


Author(s):  
M. Bever ◽  
W. Gaube ◽  
P. C. Lockemann ◽  
H. C. Mayr

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