The biennial NAFEMS World Congress was established in order to strengthen worldwide alliances and working relationships between industry, research institutes, and academia in the area of engineering analysis and simulation.This years congress was held in San Diego, USA, from 21 - 24 June 2015 and attracted more than 575 participants from 33 countries. With over 300 technical presentations by leading experts and managers in the domain, this international forum provided a unique opportunity for networking, knowledge exchange, sharing best practices and discussing experiences of technical and scientific efforts.