Prediction of stable crack growth using continuum damage mechanics
作者： E. Thomas Moyer, Jr. , Hugh McCoy , Shahram Sarkani
关键词:
摘要: This paper examines the application of uncoupled continuum damage mechanics to prediction stable crack growth in engineering materials. The formulation predictive methodology and implementation into a finite element code is presented. approach validated by predicting characteristics alloys using uniaxial stress-strain curve as sole source material parameters. Validation performed for existing test data 2219-T87 aluminum alloy. having been validated, used explore influence constraint (e.g., plane stress, strain, axisymmetry) on alloys. Thoughts regarding strain coupling are
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