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In contrast to the other types of crash simulation, integrated analysis is needed to perform the side impact simulation, and the acquired injury values are so sensitive that they are difficult to assess by the deformed vehicle structure itself. Therefore, the accurate FE side impact dummy (US-SID, Euro-SID) models are needed to predict the various injury values in side impact simulation. In the past, rigid body model or coarse FE model have been used. The advantage of these models is low computing power, but they have lack of predictability especially in the high-speed crash analysis such as NCAP and car-to-car simulations. The deviations are caused by inaccurate geometry and improper material characteristic expression of the side impact dummy models. In this paper, the development of new side impact dummy models and their applications at full car simulations are introduced. Also, the analyses about injury values are illustrated in side impact simulation.