Free-form deformation of solid geometric models
SIGGRAPH '86 Proceedings of the 13th annual conference on Computer graphics and interactive techniques
Matrix computations (3rd ed.)
ArtDefo: accurate real time deformable objects
Proceedings of the 26th annual conference on Computer graphics and interactive techniques
Automatically tuned linear algebra software
SC '98 Proceedings of the 1998 ACM/IEEE conference on Supercomputing
Proceedings of the 2002 ACM SIGGRAPH/Eurographics symposium on Computer animation
Medial-based vertex deformation
Proceedings of the 2002 ACM SIGGRAPH/Eurographics symposium on Computer animation
CHARMS: a simple framework for adaptive simulation
Proceedings of the 29th annual conference on Computer graphics and interactive techniques
Graphical modeling and animation of ductile fracture
Proceedings of the 29th annual conference on Computer graphics and interactive techniques
A Surgery Simulation Supporting Cuts and Finite Element Deformation
MICCAI '01 Proceedings of the 4th International Conference on Medical Image Computing and Computer-Assisted Intervention
Interactive Simulation of Surgical Cuts
PG '00 Proceedings of the 8th Pacific Conference on Computer Graphics and Applications
Proceedings of the 2003 ACM SIGGRAPH/Eurographics symposium on Computer animation
Collision Detection
Real-Time Finite Element Modeling for Surgery Simulation: An Application to Virtual Suturing
IEEE Transactions on Visualization and Computer Graphics
Flexible bones for the haptic prototyping of deformable objects
Virtual Reality
A virtual node algorithm for changing mesh topology during simulation
ACM SIGGRAPH 2004 Papers
An intuitive framework for real-time freeform modeling
ACM SIGGRAPH 2004 Papers
Proceedings of the 2005 symposium on Interactive 3D graphics and games
A state machine for real-time cutting of tetrahedral meshes
Graphical Models - Special issue on pacific graphics 2003
Large mesh deformation using the volumetric graph Laplacian
ACM SIGGRAPH 2005 Papers
Real-time haptic incision simulation using FEM-based discontinuous free form deformation
Proceedings of the 2006 ACM symposium on Solid and physical modeling
A Simulation-based VR System for Interactive Hairstyling
VR '06 Proceedings of the IEEE conference on Virtual Reality
Multi-finger haptic rendering of deformable objects
EGVE'04 Proceedings of the Tenth Eurographics conference on Virtual Environments
Interactive simulation of surgical needle insertion and steering
ACM SIGGRAPH 2009 papers
Particle-based forecast mechanism for continuous collision detection in deformable environments
2009 SIAM/ACM Joint Conference on Geometric and Physical Modeling
Mesh cutting during real-time physical simulation
2009 SIAM/ACM Joint Conference on Geometric and Physical Modeling
Dynamic deformation using adaptable, linked asynchronous FEM regions
Proceedings of the 25th Spring Conference on Computer Graphics
Mesh cutting during real-time physical simulation
Computer-Aided Design
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General haptic interaction with solid models requires an underlying physically-based model that can generate, in real-time, the forces and deformations to be rendered as a result of user interaction. In order to allow for a rich set of interactions, the physical model must support real-time topological modifications including the embedding of new elements in the model, and the introduction of cuts in the geometry. In this paper, we describe and demonstrate a physically-based framework for real-time interaction with 3D solid models discretized by finite elements. We present a model formulation that allows for fast progressive updates to be used in modeling the addition of new elements as well as dynamic inter- and intra-element changes in model connectivity. Our motivating applications have been in the area of open suturing simulations where cutting through skin and tissue, undermining skin to separate it from the underlying soft tissue, addition of sutures to close wounds, and manipulation using multiple surgical instruments simultaneously, are all tasks that must be supported. We show a new surgical simulator we recently developed to demonstrate the framework.