Stability analysis of a rotating asymmetric sandwich beam tapered along width and thickness subjected to pulsating axial load

The purpose of this research is to utilize computational method to study the stability of an asymmetric sandwich beam which has tapered-width as well as tapered-depth. The beam is also being subjected to rotary motion and axial load which is pulsating in nature. The governing equations of motionof t...

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Bibliographic Details
Published in:Materials today : proceedings 2024, Vol.98, p.219-225
Main Authors: Pradhan, Madhusmita, Mohanty, Madhumita, Dang, Nabakishore, Dash, Pusparaj
Format: Article
Language:English
Subjects:
Axial pulsating load
Buckling load
Parametric stability
Sandwich beam
Static stability
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Summary:The purpose of this research is to utilize computational method to study the stability of an asymmetric sandwich beam which has tapered-width as well as tapered-depth. The beam is also being subjected to rotary motion and axial load which is pulsating in nature. The governing equations of motionof the system is produced using the expanded Hamilton's notion, and also the boundary conditions are decided. The resultant equation of motion and associated boundary conditions are non-dimensionalized by using the extended Galerkin technique. To arrive at the Hill's equation for the analysis of static instability, the system of non-dimensionalized equations of motion must be solved. The parametric instability is determined by the Saito-Otomi criteria. The effect of various parameters such as taper parameters, shear parameter, rotational speed, hub radius, core-loss factor, and regions of parametric instability. Utilizing the necessary MATLAB algorithms, an investigation is conducted on a static bucking load and shown as a variety of graphs.
ISSN:2214-7853
2214-7853
DOI:10.1016/j.matpr.2023.11.116