頁籤選單縮合
題名 | EndoFEM Node-Released Strategy in the Simulations of Fatigue Crack Closure Phenomena |
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作 者 | Hsiao,L. T.; Lee,C. F.; | 書刊名 | The Chinese Journal of Mechanics |
卷期 | 14:2 1998.06[民87.06] |
頁次 | 頁57-66 |
分類號 | 440.13 |
關鍵詞 | r迩 dominant node-released strategy; EndoFEM; Fatigue crack opened/closure load; Stress ratio; Plastic wake; LEFM; |
語文 | 英文(English) |
英文摘要 | Applications of the EndoFEM with node-released methods had been used successfully to simulate the plastic wakes left behind the advancing fatigue crack. In this paper, employing the plastic zone estimated by LEFM as a guideline, four strategies with various plans of node-released rates and two plans of finite element discretization near crack tip, are proposed to generate various fatigue cracked lengths of A12024-T3 CCT specimen under all tensile-cyclic loading. Evaluations based on the mechanical responese near crack tip and the crack opened/closure behaviors, it can be concluded that the EndoFEM with the dominant node-released strategy can lead to not only economical but also reliable results. |
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