![]() and Cates, G., 2002, "Generic Simulation Models of Reusable Launch Vehicles", Proceedings of Winter Simulation Conference, San Diego, USA.). The use of digital simulation allows the reduction of both risks and costs associated with a project, as well as the assessment of different configurations of the product in a relative easy way ( Steele et al., 2002 Steele, M.J., Mollaghasemi, M., Rabadi, G. ![]() With the ever-increasing power of computers, digital simulation has become an essential tool in today's engineering development. Simulation Flight dynamics Trajectory Launch vehicles Rockets ![]() The developed tool showed good agreement with respect to the simulators used to perform the comparison. Two flight scenarios of Brazilian rockets were simulated and the results were verified against simulation tools already employed by aerospace community. The combination of these models can originate flight models of different launch vehicles. Therefore, the models presented in the tool were implemented as separate modules. A modular programming strategy was employed to assure the tool flexibility. The assessment of the vehicle performance and the vehicle payload capacity are some examples of analysis that can be performed with the tool. Developed at the Instituto Nacional de Pesquisas Espaciais (INPE) and the Instituto de Aeronáutica e Espaço (IAE) in Brazil, the tool was implemented following the requirement for flexibility, so that it can be used to simulate different types of launch vehicles. ![]() This work presents a simulation tool suited to perform six degrees-of-freedom flight dynamics investigations of launch vehicles. Of particular interest is the flight dynamics simulation, which investigates the behavior of the vehicle in flight subjected to forces and moments. The use of digital simulation has become an essential activity during the development and operation of launch vehicles, due to the complexity of such systems. ![]()
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