Elastoplastic Analysis of Circular Opening Based on a New Strain-Softening Constitutive Model and Its Engineering Application in Hydraulic Fracturing
Simplified traditional constitutive models. (a) Elastic-plastic model (EPM). (b) Elastic-brittle-plastic model (EBM). (c) Elastic-strain-softening model (ESM). (d) Elastic-peak plastic-brittle plastic model (EPBM).
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