THIS PAPER DEMONSTRATES THE USE OF ELECTRONIC MODELS IN THE PROCESS OF SIMULTANEOUS ENGINEERING. THE MAIN MODELING TECHNIQUES ARE DISCUSSED FOCUSING ON WHEN TO USE THEM TO OBTAIN THE BEST RESULTS. ANOTHER SUBJECT DEALT WITH IS THE COMBINATION OF ELECTRONIC MODELS AND SIMULTANEOUS ENGINEERING, WHICH IS A POWERFUL TOOL FOR PROJECT'S PRODUCTIVITY. CASE STUDIES DEMONSTRATE THE PROCESS IN PRACTICE.
