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亞熱帶的魚木蟲 (正式寫手)
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[求助]
ABAUQS基坑開挖塑性不收斂 已有3人參與
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如題,abaqus基坑開挖用彈性模型可以算完,一加上塑性參數(shù)(摩爾庫倫塑性),在挖去連續(xù)墻處土體,開始添加連續(xù)墻就算不下去了。請問各位蟲友,該如何處理這種情況?謝謝! @wuming524 發(fā)自小木蟲Android客戶端 |

金蟲 (正式寫手)
木蟲 (正式寫手)

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各位大神,我現(xiàn)在在用ABAQUS做結(jié)構(gòu)與土的動力分析,一開始是彈性模型,能順利收斂,后來采用的摩爾-庫倫模型,突然不能收斂了,材料采用的砂土,大概參數(shù)這么取:friction angle:32.7 dialation angle:0.1 cohesion yield:10 abs plastic strain:0 。提醒的警告如下:68 elements are distorted. Either the isoparametric angles are out of the suggested limits or the triangular or tetrahedral quality measure is bad. The elements have been identified in element set WarnElemDistorted. The plasticity/creep/connector friction algorithm did not converge at 491 points The plasticity/creep/connector friction algorithm did not converge at 418 points The plasticity/creep/connector friction algorithm did not converge at 320 points The plasticity/creep/connector friction algorithm did not converge at 245 points 各位有什么解決辦法嗎? |
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