After that , we make with CDF drawing by interrelated formula and simulate the model of X56 pipeline with surface crack by finite element software ANSYS, then, we compute J integral of crack tip .
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- R阻力曲線(xiàn)確定熱影響區和焊縫金屬分別具有的斷裂韌度,根據相關(guān)的公式做出CDF評定圖,應用有限元軟件ANSYS模擬含表面裂紋的X56海底管線(xiàn)模型,并計算裂紋尖端的二維J積分值。
