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A return-mapping algorithm for plastic-damage models: 3-D and plane stress formulation. (English) Zbl 0981.74080

Summary: Three-dimensional and plane stress formulations of the return-mapping algorithm for a class of plastic-damage models are derived using the spectral decomposition form of the stress. We also develop a plane stress computation scheme based on spectral return-mapping algorithmic algorithm, and formulate the consistent algorithmic tangent stiffness for the present algorithm. The validation and performance of the algorithm are demonstrated by numerical examples.

MSC:

74S30 Other numerical methods in solid mechanics (MSC2010)
74R20 Anelastic fracture and damage

Software:

FEAP
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References:

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