Transitioning a unidirectional composite computer model from mesoscale to continuum Sidney Chocron, Ramón Zaera, James Walker, Alon Brill, Roman Kositski, Doron Havazelet, Ulrich Heisserer and Harm van der Werff EPJ Web of Conferences, 94 (2015) 04048 Published online: 07 September 2015 DOI: 10.1051/epjconf/20159404048