ABAQUS中鋼框架梁柱節點（梁柱均用殼單元）接觸面處理？
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背景：用abaqus 建鋼框架；鋼梁、鋼柱均采用殼單元；因不考慮節點焊縫的影響，梁柱節點剛性連接，用tie綁定。 問題：想請教一下，在梁柱殼單元的接觸面，用surface-surface；計算時報錯；“62 nodes are used more than once as a slave node in *TIE keyword. These constraints are not removed either due to the presence of *CONSTRAINT CONTROLS,NO CHANGES keyword or because removing the constraints might affect the model. The nodes have been identified in node set ErrNodeOverconTieSlave.” 這個問題該從哪個方面去找原因并解決呢？
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