Effect of Blast Load on Dynamic Deflection Responses of Internally Damaged Carbon–Epoxy Laminated Composite Shallow Shell Panel using Experimental Properties

This work investigates the dynamic deflection responses of delaminated carbon–epoxy composite shell panels. First of all, the carbon–epoxy composite panel is fabricated with a filament winding process and material properties are obtained. A higher-order displacement kinematics in association with fi...

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Bibliographic Details
Published in:Transactions of the Indian Institute of Metals 2023, Vol.76 (1), p.157-164
Main Authors: Srivastava, Lokesh, Krishnanand, Lanka, Nath, N. Kishore, Hirwani, Chetan Kumar, Panda, Subrata Kumar
Format: Article
Language:English
Subjects:
Blast loads
Chemistry and Materials Science
Composite structures
Corrosion and Coatings
Curved panels
Deflection
Delamination
Equations of motion
Filament winding
Kinematics
Laminar composites
Material properties
Materials Science
Metallic Materials
Numerical models
Original Article
Shallow shells
Tribology
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Summary:This work investigates the dynamic deflection responses of delaminated carbon–epoxy composite shell panels. First of all, the carbon–epoxy composite panel is fabricated with a filament winding process and material properties are obtained. A higher-order displacement kinematics in association with finite element techniques are adopted for the modeling debonded panel structure. The equation of motion has been obtained (via the Lagrangian approach) and solved via Newmark’s integration for the steady state response. The experimental material properties are used in the numerical model and the influence of internal damaged shapes and sizes, and the associated input parameters (geometry and material) on time-dependent deflections of the curved panel structure are analyzed in detail.
ISSN:0972-2815
0975-1645
DOI:10.1007/s12666-022-02698-z