This study aims to provide physics-based force feedback system on distributed system for simulating invasive operation such as ablation. conventional PC-based VR surgical simulators with haptic interaction are hard to provide sufficient computational resources for the simulation of physics-based soft tissue fracture. For proper presentation of force feedback as real operations, physics-based simulation is inevitable. At the same time finite element method requires huge computational complexites. In this paper, the authors propose server-side speculative operation method on application layer for hiding the calculation latencies. The proposed method would achieve the response acceleration without the decomposition of conventional simulation process. The theoritical estimates of speculation parameters are mentioned.
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