Torsional Vibrations of Hollow Thin-walled Cylindrical Beams PDF Download
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Author: Edwin T. Kruszewski Publisher: ISBN: Category : Box beams Languages : en Pages : 44
Book Description
The differential equations and boundary conditions appropriate to the analysis of torsional vibrations of hollow thin-walled cylindrical beams are presented. General solutions for the modes and frequencies of cantilever and free-free cylindrical beams of arbitrary doubly symmetrical cross section with uniform wall thickness derived. Numerical calculations for beams of rectangular cross section are used to determine the influence on torsional vibrations of bending stresses due to torsion and a longitudinal inertia. The inclusion of longitudinal inertia exposes a strong coupling of the torsional vibration with longitudinal vibrations at low plan-form aspect ratios, and some of the frequencies obtained are seen to be actually associated with modes of primarily longitudinal vibration. The solution for cylinders of rectangular cross section is also used to investigate the the accuracy of a solution obtained from an analysis of an equivalent four-flange box beam.
Author: Edwin T. Kruszewski Publisher: ISBN: Category : Box beams Languages : en Pages : 44
Book Description
The differential equations and boundary conditions appropriate to the analysis of torsional vibrations of hollow thin-walled cylindrical beams are presented. General solutions for the modes and frequencies of cantilever and free-free cylindrical beams of arbitrary doubly symmetrical cross section with uniform wall thickness derived. Numerical calculations for beams of rectangular cross section are used to determine the influence on torsional vibrations of bending stresses due to torsion and a longitudinal inertia. The inclusion of longitudinal inertia exposes a strong coupling of the torsional vibration with longitudinal vibrations at low plan-form aspect ratios, and some of the frequencies obtained are seen to be actually associated with modes of primarily longitudinal vibration. The solution for cylinders of rectangular cross section is also used to investigate the the accuracy of a solution obtained from an analysis of an equivalent four-flange box beam.
Author: Aldie E. Johnson Publisher: ISBN: Category : Binders (Materials) Languages : en Pages : 670
Book Description
Room-temperature stress-strain curves are presented for compression, tension, and shear loadings of four compositions of titanium carbide with nickel binder. Values of ultimate strength, modulus of elasticity, modulus of rigidity, Poisson's ratio in the elastic region, density, and hardness for the four materials are tabulated.
Author: Edwin T. Kruszewski
Author: Edwin T. Kruszewski
Author: Bernard Budiansky
Author: 
Author: United States. National Advisory Committee for Aeronautics
Author: 
Author: 
Author: 
Author: Aldie E. Johnson
Author: 
Author: United States. Superintendent of Documents