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Tuesday, July 9 • 15:50 - 16:10
STUDY ON DYNAMIC INDUCED SNAP-THROUGH OF BI-STABLE COMPOSITE LAMINATES UNDER MULTIPARAMETER ACTION

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In this article, dynamic behaviors of a carbon fiber reinforced composite bi-stable laminate are studied. The ABAQUS/CAE is used to simulate the dynamic response of the bi-stable laminate under harmonic foundation excitation at the center. Subspace iteration method is considered to analyze the mode of dynamic snap-through. Base on the implicit direct integration method, time domain response and frequency domain response of the system are achieved. Considering the dissipative effect of Rayleigh damping, the potential energy curve is used to describe the variety of strain energy during the process of snap-through. The factors affecting the dynamic snap-through performance of the bi-stable laminate, including the curing temperature, structure sizes, layup conditions and dissipation factors, are discussed analytical solutions. Under the influence of multi-parameters, a series of single-well vibration and cross-well vibration is fully displayed. Moreover, frequency response curves also show superior broadband and non-linear vibration characteristics.

Moderators
EP

Elsa Piollet

Dr, Polytechnique Montréal
avatar for Mohammad Rafiee

Mohammad Rafiee

Postdoctoral Fellow, Polytechnique Montréal
Mohammad Rafiee received his Ph.D. degree in Mechanical Engineering from the University of Ottawa in 2018. Currently, he is a Postdoctoral Fellow at Polytechnique Montreal in Canada. His research interests are primarily focused on the development of advanced composite materials, smart... Read More →
AR

Annie Ross

Professor, Polytechnique Montreal

Authors

Tuesday July 9, 2019 15:50 - 16:10 EDT
St-Laurent 8
  T07 Struct. dyn. & nonlin. vib., RS02 Vibr & cntrl of nonlin mech syst