In this video we complete the answer given previously ( https://www.youtube.com/watch?v=I-dhwqxV7QM ) with a more complex shape. Here is the question: http://answers.gazebosim.org/question/15331/need-information-on-aerodynamic-parameters-of-lift-drag-plugin/#17793

Q: Need information on aerodynamic parameters of lift-drag plugin
A: You have to calculate the area for the new shapes and also decide the axis for the front and upwards forces.