Cusp Catastrophe Model for Metal Fatigue Fracture
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摘要: 基于疲勞斷裂過程中存在著突變現象的觀點,對系統(由疲勞試樣和疲勞試驗機所組成)在疲勞斷裂過程中的變化情況作了深入研究,建立了疲勞斷裂過程中尖點突變的模型,并通過理論分析獲得了疲勞斷裂過程中突變發生的條件.Abstract: Based on the opinion that there is catastrophe phenomenon in fatigue fracture, the Whole loading system, including the test sample and the test machine, is studied.A cusp catastrophe model is presented, and the condition of the happening of the cusp catastrophe in metal fatigue fracture is obatined through theoretical analysis.
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Key words:
- fatigue /
- catastrophe theory /
- cusp catastrophe
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