Coupling Parallel Simulation and Multi-display Visualization on a PC Cluster Jeremie Allard, Bruno Raffin, Florence Zara Laboratoire Informatique et Distribution Projet APACHE ID-IMAG CNRS - INPG - INRIA - UJF 38330 Montbonnot, France Abstract Recent developments make it possible for PC clusters to drive multi-display visualization environments. This paper shows how we coupled parallel codes with distributed 3D graphics rendering, to enable interactions with complex simulations in multi-display environments.