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Torsional deformations in incompressible fibre-reinforced cylindrical pipes
Authors:P Nardinocchi  T Svatoň  L Teresi
Institution:1. Dipartimento di Ingegneria Strutturale e Geotecnica, Università di Roma “La Sapienza”, via Eudossiana 18, I-00147 Roma, Italy;2. University of West Bohemia, Pilsen, Czech Republic;3. Dipartimento di Strutture, Università Roma Tre, Roma, Italy;1. Laboratoire d’Ingénierie et Matériaux (LIMAT), Faculté des Sciences Ben M’Sik, Université Hassan II de Casablanca, BP 7955, Sidi Othman, Casablanca, Morocco;2. Laboratoire d’Etude des Microstructures et de Mécanique des Matériaux (LEM3), Université de Lorraine, CNRS UMR 7239, Ile du Saulcy, 57 057 Metz, France;3. Safran Engineering Services, 114 Route de Nouasser, Sidi Maarouf, 20100 Casablanca, Morocco;1. Whitacre College of Engineering, Department of Chemical Engineering, Texas Tech University, Lubbock, TX 79409-3121, USA;2. Laboratoire Sciences et Ingénierie de la Matière Molle, UMR 7615/UPMC/CNRS/ESPCI, 10 rue Vauquelin, 75231 Paris Cedex 05, France;1. Department of Surgery, University of Nebraska Medical Center, Omaha, NE, USA;2. Department of Genetics, Cell Biology & Anatomy, University of Nebraska Medical Center, Omaha, NE, USA;3. Department of Surgery and VA Research Service, VA Nebraska-Western Iowa Health Care System, Omaha, NE, USA;4. Physicians Laboratory Services, Omaha, NE and UNL?s Forensic Science, Lincoln, NE, USA;5. Department of Mechanical & Materials Engineering, University of Nebraska-Lincoln, Lincoln, NE, USA;1. Department of Chemistry, Research Institute of Natural Sciences, Hanyang University, Seoul 133-761, Republic of Korea;2. Neutron Science Center, Korea Atomic Energy Research Institute, Daejeon 305-353, Republic of Korea
Abstract:The first part of the paper deals with an extension of the classical Rivlin's solution of the torsion problem of a neo-Hookean pipe. The second part concerns a study of the passive torsional deformation processes in a fibre-reinforced cylindrical dummy of the beating heart. Especially, the dependence of the torsional and volumetric stiffness of the cylindrical pipe on different geometric and material parameters is discussed through a set of numerical simulations.
Keywords:
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