Multilayer feedforward networks are universal approximators
Neural Networks
Approximation capabilities of multilayer feedforward networks
Neural Networks
3D chainmail: a fast algorithm for deforming volumetric objects
Proceedings of the 1997 symposium on Interactive 3D graphics
Interactive Simulation of Surgical Cuts
PG '00 Proceedings of the 8th Pacific Conference on Computer Graphics and Applications
ArtNova: Touch-Enabled 3D Model Design
VR '02 Proceedings of the IEEE Virtual Reality Conference 2002
Virtual Cutting with Force Feedback
VRAIS '98 Proceedings of the Virtual Reality Annual International Symposium
Presence: Teleoperators and Virtual Environments
Meshes simplification based on reverse subdivision
ICAT'06 Proceedings of the 16th international conference on Advances in Artificial Reality and Tele-Existence
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In this paper, an approach for 'virtual' real-time deformation of complex structures is developed. The approach combines the finite element method and Neural Network calculations to allow the user to perform interactive shape changes and view the resultant deformation changes in a virtual environment.A tennis racket and ball are used to illustrate the capability of the proposed method.Because real time deformation simulation is a time consuming repeated analyses, the neural networks are employed in this investigation as numerical devices for substituting the finite element code needed for the tennis racket and ball deformation.The input data for the artificial neural network are a set of parameters generated randomly (ball impact velocity, impact angle and the zone impact). The output data are the deformation of the ball/strings and the impact force-feedback value.The work contribute toward the development of real virtual simulator which uses a haptic device that "feels" the feedback force generated by the deformation.