GPU in Haptic Rendering of Deformable Objects

Authors:
Hans Fuhan Shi;Shahram Payandeh
Affiliations:
Experimental Robotics Laboratory, School of Engineering Science, Simon Fraser University, Burnaby, Canada;Experimental Robotics Laboratory, School of Engineering Science, Simon Fraser University, Burnaby, Canada
Venue:
EuroHaptics '08 Proceedings of the 6th international conference on Haptics: Perception, Devices and Scenarios
Year:
2008

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Abstract

We present some results regarding utilizing Graphics Processing Unit (GPU) for computing the deformation of two experimental objects. A suture simulation model with GPU and a 2D deformable cloth model with nVidia CUDA techniques are also proposed. We conducted experimental studies to compare the GPU-based suture models and with the CPU implementation. We also experimented with the implicit model of the 2D mesh which offer similar computational challenges associated with any Finite-Element modeling approaches. A method for computing the inverse of a matrix with truncated Neumann series is also introduced.