双向流固耦合（workbench中transient structure和flow fluid（CFX））计算，一求解就出错，反馈错误如下

+--------------------------------------------------------------------+
| ERROR #002100061 has occurred in subroutine SERVE_CLIENTS. |
| Message: |
| The connection between this CFX process and an external process |
| has died unexpectedly. The following error was received: |
| External process : ANSYS |
| Error experienced : Read |
| ** This error is fatal: Terminating ANSYS CFX Solver execution ** |
| Please review the output, error and log files from both the CFX |
| and external processes to determine the cause of the error. |
....

我也遇到相同问题，求指导

高手啊！都研究强耦合了！