Abaqus螺栓連接仿真時報錯，施加預緊力時可能存在過約束，想請教下大家？ 20
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如圖，結構設計用到螺栓連接，結構的強度等性能是否符合設計要求。螺栓做了簡化。
接觸設置：螺栓、螺母與上、下板接觸采用的surface to surface contact，板之間也采用surface to surface ，螺柱與孔內表面采用tie連接。
預緊力施加：在螺柱之間切出一個平面，施加bolt-load。
28 nodes may not be used with a multi-point constraint since they are also part of pretension section. The nodes have been identified in node set ErrNodeMPCPretenSec.
Analysis Input File Processor exited with an error.
