Actually, from Mechanical we can not directly export *.cdb file without solving the case. However, you can try this work around. — Insert a command snippet under Analysis Settings. The command to export *.cdb is as following, /prep7 cdwrite,all — Now, as we are not finishing the /prep7 module, it will give error and stop the solution. But before that, it would export the *.cdb file in the working directory.