Abaqus螺栓连接仿真时报错，施加预紧力时可能存在过约束，想请教下大家？ 20
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如图，结构设计用到螺栓连接，结构的强度等性能是否符合设计要求。螺栓做了简化。
接触设置：螺栓、螺母与上、下板接触采用的surface to surface contact，板之间也采用surface to surface ，螺柱与孔内表面采用tie连接。
预紧力施加：在螺柱之间切出一个平面，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.
