Revert "temperarily change to 2D one, should be changed back"
Revert "temperarily change to 2D one, should be changed back"

This reverts commit 2d594d40840a6c7818acf7b715e22e0385f87d20.

zhulianhua/dugksFoam,zhulianhua/dugksFoam,zhulianhua/dugksFoam,zhulianhua/dugksFoam