有个问题请教,我运行了经典例题里面的大坝弹塑性地震响应分析
结果提示出错
21 nodes have dof on which velocity/displacement/acceleration/base motion etc. constraints are specified simultaneously. The nodes have been identified in node set ErrNodeBCRedundantDof.
意思是上个荷载步进行静力分析(自重)时的约束 和第3步定义的加速度荷载冲突了
请问地震加载如何考虑自重的影响啊