Topology optimization of continuum structures with Drucker-Prager yield stress constraints

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Failure Mitigation in Optimal Topology Design Using a Coupled Nonlinear Continuum Damage Model (2014, result): “That paper was preceded earlier that year by two separate studies (one by Luo and Kang [11] the other by Bruggi and Duysinx [12]), in which both sets of authors used the Drucker-Prager yield criterion to enforce stress constraints in materials with asymmetric strength behavior in tension and compres”
Damage approach: A new method for topology optimization with local stress constraints (2015, methodology): “Relaxation techniques that have been used are (cid:2) -relaxation (Cheng and Guo 1997), the qp -approach (Bruggi 2008), and defining a ‘relaxed stress’ (Le et al. 2010; Luo and Kang 2012).”