开始是正常的耦合后算模态,然后算随机响应,INP文件如下,报错显示“Primary base motion can not be applied in a modal analysis based on coupled structural-acoustic modes. Use the secondary base motion instead.”
那好吧,研究了下次级基础,试着把随机响应的base motion后加了关键字base name,inp文件如下,又报错说“Secondary base motion can not be used in a *random response procedure”