This is the final report of the VIVACE project, which intended to achieve a 5 % cost reduction in aircraft development and a 5 % reduction of the development phase of a new aircraft design combined with a contribution to a 30 % reduction in the lead-time and 50 % reduction in development costs respectively for a new or derivative gas turbine engine.

The report begins with a brief description of the background and objectives and then presents its structure. It explains the main idea behind the multi-level approach of the project and the VIVAVE toolbox functionality. There is, finally, an assessment of the project's impacts and a presentation of main results.