Title : Damped response of sandwich composite structures integrated with MR fluid under Impulse loading
Abstract:
Laminated sandwich beam structures are being used in many applications, including wind turbine blades, helicopter blades,industries, and automobiles. The stability and integrity of such structures under impulse loading is a major concern for designers to ensure performance and functionality while in operation. Laminated sandwich structures integrated with MR fluid provide excellent controllability while maintaining integrity when subject to impulse loading. By applying the magnetic field, damping coefficients and the dynamic behavior of structures are improved. In the present work, applying a finite element model based on the N-layer model, the dynamic response and damping coefficients of laminated sandwich structures under impulse loading have been investigated. Various composited materials, including E-glass, Kevlar, and fiber carbon, have been used for modeling to study the effects of materials on the dynamic response of the structure. An in-house experimental setup has been developed to validate the experimental results with theoretical ones. The results of the present work help designers of the sandwich structures integrated with MR fluid to reduce the cost of the materials by selecting suitable materials and appropriate magnetic fields to build sandwich structures for stability and structural integrity.
Audience take away:
- The benefits of sandwich structures compared with metallic counterparts.
- Effects of materials (E-glass, Fiber-carbon, and Kevlar) on damping coefficients and dynamic behavior of sandwich structures.
- Influences of magnetic fields on damping coefficients and dynamic behavior of structures.
- Fabrication of sandwich structures and set up of an experimental procedure.
