BAO Lin, HU Jin-song, YU Yong-liang, CHENG Peng, XU Bo-qing, TONG Bing-gang. Viscoelastic Constitutive Model Related to Deformation of Insect Wing Under Loading in Flapping Motion[J]. Applied Mathematics and Mechanics, 2006, 27(6): 655-662.
 Citation: BAO Lin, HU Jin-song, YU Yong-liang, CHENG Peng, XU Bo-qing, TONG Bing-gang. Viscoelastic Constitutive Model Related to Deformation of Insect Wing Under Loading in Flapping Motion[J]. Applied Mathematics and Mechanics, 2006, 27(6): 655-662.

# Viscoelastic Constitutive Model Related to Deformation of Insect Wing Under Loading in Flapping Motion

• Received Date: 2005-10-17
• Rev Recd Date: 2006-02-10
• Publish Date: 2006-06-15
• Flexible insect wings deform passively under periodic loading during flapping flight.The wing flexibility is considered as one of the specific mechanisms on improving insect flight perfor mance.The constitutive relation of the insect wing material plays a key role on the wing deformation, but has not been clearly understood yet.A viscoelastic constitutive relation model was established based on the experimental results:the stress relaxation experiment of a dragonfly wing(in vitro). This model was examined by the finite element analysis of the dynamic deformation response for a model insect wing under the action of the periodical inertial force in flapping.It is revealed that the viscoelastic constitutive relation is rational to characterize the biomaterial property of insect wings in contrast to the elastic one.The amplitude and form of the passive viscoelastic deformation of the wing is evidently dependent on the viscous parameters in the constitutive relation.
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沈阳化工大学材料科学与工程学院 沈阳 110142

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