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High strain rate response of rubber membranes
Affiliation:1. Stat-Math Unit, Indian Statistical Institute, 203 B. T. Road, Kolkata 700108, India;2. Department of Mathematics, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India;1. Key Laboratory of Geological Hazards on the Three Gorges Reservoir Area, Ministry Of Education, China Three Gorges University, Yichang, 443002, Hubei, China;2. National Field Observation and Landslides Research Station in the Three Gorges Reservoir Area, China Three Gorges University, Yichang, 443002, Hubei, China;3. China Yangtze Ecology and Environment Co., Ltd, Wuhan, 430014, Hubei, China;1. School of Engineering, Brown University, 182 Hope Street, Providence, RI 02912, USA;2. State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, People''s Republic of China;1. Bahá''í Institute for Higher Education, Tehran, Iran;2. Department of Civil Engineering, University of Ottawa, Ottawa, ON, Canada K1N 6N5
Abstract:This paper investigates the propagation of axisymmetric waves of finite deformation in polyisoprene rubber membranes subjected to high speed impact. High speed photography is used to monitor the motion and to determine the evolution of stretch and particle velocity in membranes at impact speeds of up to 160 m/s, producing a maximum stretch >8. A constitutive model is developed through a semi-inverse method correlating experimental results with simulations. The potential for formation of wrinkles is also addressed.
Keywords:Nonlinear waves  Rubber material  Mechanical testing  Characteristics
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