Integration of Aldec simulator into Vivado is in beta support in the 2014.4 release.
You can enable the flow by setting the following parameter before opening a project:
set_param project.enableAldecUnifiedFlow 1
For detailed instructions on running the flow in Vivado 2014.4, please refer to Aldec Application Notes:
Starting in Vivado 2015.1, Active-HDL and Riviera-PRO are now integrated into the Vivado IDE.
To launch simulation for these two simulators,
- Create or open a Vivado project
- Set the target simulator to Riviera-PRO or Active-HDL
- Run simulation