Multiple studies have shown that more than half of all the errors in systems development originate from missing, ambiguous, or incorrect requirements. The cost of fixing these errors increases exponentially after the system is in development or implementation, therefore it is important to try to catch these errors during the Requirements Development phase. This session will present how 3DEXPERIENCE platform enables Requirements Engineering by bringing together the iterative & interleaving activities of Requirements Development and Requirements Management facilitated by integrated Requirements Planning and Requirements Traceability. Furthermore, the session will illustrate the rigor that can be built in the Requirements Development process leveraging the integrated model-based capabilities from No Magic and Requirements in Loop simulation from Argosim to combat the problem of Requirements errors.