Finite element implementation of a microstructure-based model for filled elastomers. (English) Zbl 1426.74290
Summary: To describe the inelastic mechanical behavior of filled elastomers a microstructure-based material model for uniaxial loadings has been developed. The generalization of this one-dimensional material description to a fully three-dimensional constitutive model has been accomplished by using the concept of representative directions. The generalized model shows a very good agreement with cyclic uniaxial tension and compression tests as well as simple shear measurements for several rubber compounds. The FE-implementation enables finite element simulations of technical components though the original input model predicts the material behavior for uniaxial loadings only.
MSC:
| 74S05 | Finite element methods applied to problems in solid mechanics |
| 74E30 | Composite and mixture properties |
| 74Q15 | Effective constitutive equations in solid mechanics |
| 74C99 | Plastic materials, materials of stress-rate and internal-variable type |
Keywords:
polymeric material; microstructures; constitutive behavior; cyclic loading; representative directionsReferences:
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