Review on the Effect of Uniaxial Forces on Moony Rivline Hyperelastic Material Model
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2016, Vol 4, Issue 1
Abstract
Analytical material models do not entirely describe the stress-strain relationship in a material under all loading conditions. Therefore, experimental data needs to be created such that a reasonable material model may be selected to define material behaviour pertinent to the application of interest. Loading variables such as strain rate, strain direction, maximum strain, relaxation, cyclic behaviour and plasticity are outlined to provide a context for the design of experiments needed to define hyperelastic and plastic material models based on the needs of the application. The work presents a review of some problems associated with the simulation of hyperelastic fabrics using Finite Element Analysis. The precision and accuracy of experimentally measured material properties are critical for correct fabric modelling. In general, a combination of uniaxial tension (compression), biaxial tension, and simple shear is required for the characterization of an hyperelastic material. However, the use of these deformation tests to obtain the mechanical properties of a fabric may be complicated and also expensive. A methodology for characterising the fabric employing one single experimental test is presented and the error induced by this approximation is determined. The effects of experimental limitations on the characterization of material and the pros and cons of choosing a constitutive model are discussed.
Authors and Affiliations
Prashant P Nimbalkar, Dr. Suhas P Deshmukh
Keywords
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