I need to get RIPPLE, SOLA-VOF,or NASA-VOF2D codes and the reports. But seems Los Alamos would not offer the documents anymore. If anyone have a copy of above documents or know how to get them, could you be very nice to contact me? Thank you very much!

Just Google DOE information bridge. In theory, those reports are available there. In practice you may have a hard time finding them. You can also try contacting the authors. Good luck!