Construction of design support system with high-speed and high-accuracy force feedback in immersive virtual reality system

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The purpose of this study is to construct a intuitive design support system using virtual reality. We constructed the design support system which displays objects by CG (computer graphics) and calculates the interference among these objects at high speed and high accuracy. Finally this system provides users pseudo force corresponding the amount of the interference.We applied this system to not only the interference among objects, but also representation of electromagnetic field distribution. The method of representing electromagnetic field has not been researched, therefore we applied force representation to observe in local phenomena.Further, we developed numerical simulation code of electromagnetic field by Finite-difference time-domain method for the proposed system.