Keynote Lecture titled Solving the wave generation in numerical SPH-based wave tanks for the Intived Session Engineering Applications with Smoothed Particle Hydrodynamics organized by Dr. Alejandro Crespo and Dr. José Domínguez during the VI International Conference on Particle-Based Methods (Particles 2019) at Universitat Politècnica de Catalunya - BarcelonaTech (UPC), Barcelona, 28th-30th October, 2019. The pdf of the presentation is available here