A study of the dynamic behavior of elastomeric materials using finite elements

Article Abstract:

A numerical method for developing a dynamic finite element material model for elastomeric materials loaded primarily in compression is presented. Data gathered by the Split Hopkinson Pressure Bar method are utilized to define a molecular constitutive model for elastomers. The molecular theory is utilized to compute for the dynamic material behavior in various additional deformation modes employed by the ABAQUS/Explicit commercial finite element program to define hyperelastic material behavior.

Models, Usage, Elastomers, Finite element method

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R-phase and precursory structures

Article Abstract:

Crystal structures of R-phase and precursory structures in Ti-Ni according to kinematical data on presence and equivalence of extra-reflections of diffraction patterns were analyzed. Further, analysis of additional information on symmetry of structure was performed. A character of possible ordering and displacements, necessary in creating R-phases from parent BBC lattice, was investigated and a classification of plausible structures was provided.

Analysis, Crystals, Crystal structure, Shape-memory alloys, Shape memory alloys

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