MODELS OF NONLINEAR IMPULSIVE RESPONSES FOR SOFT MATERIAL

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To theoretically estimate the impulsive responses of soft materials, the author established the theory for describing the damping behavior of impulsive responses by introducing the fractional derivative which describes the damping property into hyper-elastic models in nonlinear solid mechanics. To verify the validity of the theory, the author conducted tests by developing the falling-mass type impact testapparatus. Theoretical analyses are in good agreement with the test results. The scope of applications in the theory and modifications for the theory were also investigated.