Loading...
Search for:
bernoulli-euler-beam
0.006 seconds
Dynamic response of a delaminated beam due to a moving force
, Article International Conference on Noise and Vibration Engineering 2012, ISMA 2012, including USD 2012: International Conference on Uncertainty in Structure Dynamics, 17 September 2012 through 19 September 2012 ; Volume 4 , September , 2012 , Pages 3189-3200 ; 9781622768257 (ISBN) ; Kargarnovin, M. H ; Ahmadian, M. T ; Abedi, M ; Katholieke Universiteit Leuven ; Sharif University of Technology
Katholieke Universiteit Leuven
2012
Abstract
This paper deals with the dynamic analysis of a delaminated Bernoulli-Euler beam with constrained model under the action of an external moving force. The beam is analyzed as four interconnected sub-beams using the delamination as their boundaries. The continuity and compatibility conditions are satisfied between adjoining beams. An analytical solution is presented in a basis of the series expansion of the unknown deflection. The delaminated beam response differences with the healthy beam have been investigated. Effect of the parameters like the moving speed of the force and the size, depth and spanwise location of the delamination on the dynamic response of the beam has been studied....
Calculation of the additional constants for fcc materials in second strain gradient elasticity: Behavior of a nano-size bernoulli-euler beam with surface effects
, Article Journal of Applied Mechanics, Transactions ASME ; Volume 79, Issue 2 , 2012 ; 00218936 (ISSN) ; Ahmadpoor, F ; Tehranchi, A ; Sharif University of Technology
2012
Abstract
In addition to enhancement of the results near the point of application of a concentrated load in the vicinity of nano-size defects, capturing surface effects in small structures, in the framework of second strain gradient elasticity is of particular interest. In this framework, sixteen additional material constants are revealed, incorporating the role of atomic structures of the elastic solid. In this work, the analytical formulations of these constants corresponding to fee metals are given in terms of the parameters of Sutton-Chen interatomic potential function. The constants for ten fcc metals are computed and tabulized. Moreover, the exact closed-form solution of the bending of a...