求助：流固耦合结构场错误

mc1030mc

Model errors exist - file D:\三维\串列\ss.dat has not been created.
Please resolve conditions indicated by ERROR or ALERT
messages given above.
***WARNING: No element connection for node 3612 directions 4, 5, 6
              No element connection for node 3613 directions 4, 5, 6
              No element connection for node 3614 directions 4, 5, 6
              No element connection for node 3615 directions 4, 5, 6

              Message limit reached - above message has been suppressed 10506 times.
              Nodal degrees of freedom without element
              connection have been fixed for data input file.
              There may still be degrees of freedom without
              stiffness - see documentation.
***INPUT ERROR: No matrixsets defined.

mc1030mc

我知道原因了，INPUT ERROR: No matrixsets defined是因为在定义单元组的时候多add了一个general，删了就行了