A STOCHASTIC MODEL FOR EVOLUTION OF COLLECTIVE SHORT-FATIGUE-CRACKS BASED ON LOCAL FIELD ANALYSIS 1)

doi:10.6052/0459-1879-1998-5-1995-162

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Chinese Journal of Theoretical and Applied Mechanics > 1998 > 30(5): 564-571. > DOI: 10.6052/0459-1879-1998-5-1995-162 CSTR: 32045.14.0459-1879-1998-5-1995-162

A STOCHASTIC MODEL FOR EVOLUTION OF COLLECTIVE SHORT-FATIGUE-CRACKS BASED ON LOCAL FIELD ANALYSIS 1)[J]. Chinese Journal of Theoretical and Applied Mechanics, 1998, 30(5): 564-571. DOI: 10.6052/0459-1879-1998-5-1995-162

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A STOCHASTIC MODEL FOR EVOLUTION OF COLLECTIVE SHORT-FATIGUE-CRACKS BASED ON LOCAL FIELD ANALYSIS 1)

力学所,100080

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Abstract

It has been observed that, the evolution process of short fatigue cracks in some metallic materials presents collective damage characteristics The cumulation of the damage is produced by a number of short fatigue cracks The extent of damage is not dependent on a single crack, but on the whole response of total short cracks For this situation, we adopted the method of the balance of crack number density to describe such an evolutionary process The basic consideration of the model is that, at a certai...
- short fatigue cracks,
- local crack numerical density,
- collective damage,
- stochastic evolution

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[2]	Zhang Yi, Xue Shifeng, Han Limei, Zhou Bo, Liu Jianlin, Jia Peng. EXPERIMENTAL CHARACTERIZATION AND NUMERICAL SIMULATION OF DAMAGE EVOLUTION IN SEMI-CRYSTALLINE POLYMERS[J]. Chinese Journal of Theoretical and Applied Mechanics, 2021, 53(6): 1671-1683. DOI: 10.6052/0459-1879-21-101
[3]	Jiang Zhongming, Li Jie. ANALYTICAL SOLUTIONS OF THE GENERALIZED PROBABILITY DENSITY EVOLUTION EQUATION OF THREE CLASSES STOCHASTIC SYSTEMS[J]. Chinese Journal of Theoretical and Applied Mechanics, 2016, 48(2): 413-421. DOI: 10.6052/0459-1879-15-221
[4]	Chen Jianbing, Zhang Shenghan. PROBABILITY DENSITY EVOLUTION ANALYSIS OF NONLINEAR RESPONSE OF STRUCTURES WITH NON-UNIFORM RANDOM PARAMETERS[J]. Chinese Journal of Theoretical and Applied Mechanics, 2014, 46(1): 136-144. DOI: 10.6052/0459-1879-13-174
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[6]	Strategy of selecting points via number theoretical method in probability density evolution analysis of stochastic response of structures[J]. Chinese Journal of Theoretical and Applied Mechanics, 2006, 38(1): 127-133. DOI: 10.6052/0459-1879-2006-1-2005-054
[7]	The mapping-based dimension-reduction algorithm for probability density evolution analysis of stochastic structural responses[J]. Chinese Journal of Theoretical and Applied Mechanics, 2005, 37(4): 460-466. DOI: 10.6052/0459-1879-2005-4-2004-041
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A STOCHASTIC MODEL FOR EVOLUTION OF COLLECTIVE SHORT-FATIGUE-CRACKS BASED ON LOCAL FIELD ANALYSIS 1)

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