Ambiguity of Minimum Strain Energy Density Criterion and Maximum Minimum Strain Energy Density Criterion

최소 변형에너지 밀도 기준의 모호성과 최대 극소 변형에너지 밀도 기준

Gu, Jae-Min

  • Published : 2001.07.01


Sihs minimum strain energy density criterion(SED) often used in the mixed mode problem has the ambiguity of the choice of minimum values. In this paper, as the method to solve the problem of SED, maximum minimum strain energy density criterion is proposed that the crack propagates in the direction of having the maximum among the minimum values of modified strain energy density factor(MS), i.e., sign($\sigma$(sub)$\theta$).Smin.


Minimum Strain Energy Density Criterion;Crack Propagation Angle;Crack Angle;Mixed Mode Load


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