FLAC3D Theory and Background • Constitutive Models
Elastic Model Group
The models in this group are characterized by reversible deformations upon unloading; the stress-strain laws are linear and path-independent. The elastic models include both isotropic and anisotropic elastic models. Two anisotropic elastic models that correspond to two cases of elastic symmetry are available: the orthotropic and transversely isotropic models. For further information on anisotropic formulations, see Lekhnitskii (1981).
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