Visual and Haptic Simulation of Linear Viscoelastic Tissue Behavior Based on Experimental Data

Alexandria, Virginia March 25-March 29

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http://doi.ieeecomputersociety.org/10.1109/VR.2006.146

2006 International Symposium on Hapti ...

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	Mert Sedef, Evren Samur, Cagatay Basdogan, "Visual and Haptic Simulation of Linear Viscoelastic Tissue Behavior Based on Experimental Data," Haptic Interfaces for Virtual Environment and Teleoperator Systems, International Symposium on, pp. 30, 2006 International Symposium on Haptic Interfaces for Virtual Environment and Teleoperator Systems (HAPTICS'06), 2006.

	BibTex	x
	@article{ 10.1109/VR.2006.146, author = {Mert Sedef and Evren Samur and Cagatay Basdogan}, title = {Visual and Haptic Simulation of Linear Viscoelastic Tissue Behavior Based on Experimental Data}, journal ={Haptic Interfaces for Virtual Environment and Teleoperator Systems, International Symposium on}, volume = {0}, year = {2006}, isbn = {1-4244-0226-3}, pages = {30}, doi = {http://doi.ieeecomputersociety.org/10.1109/VR.2006.146}, publisher = {IEEE Computer Society}, address = {Los Alamitos, CA, USA}, }

	RefWorks Procite/RefMan/Endnote	x
	TY - CONF JO - Haptic Interfaces for Virtual Environment and Teleoperator Systems, International Symposium on TI - Visual and Haptic Simulation of Linear Viscoelastic Tissue Behavior Based on Experimental Data SN - 1-4244-0226-3 SP EP A1 - Mert Sedef, A1 - Evren Samur, A1 - Cagatay Basdogan, PY - 2006 KW - linear viscoelastic FEM KW - experimentallymeasured tissue properties KW - integration of tissue properties into models KW - pre-recording KW - real-time surgical simulation KW - haptics. VL - 0 JA - Haptic Interfaces for Virtual Environment and Teleoperator Systems, International Symposium on ER -

Mert Sedef, Koc University, Istanbul, Turkey

Evren Samur, Koc University, Istanbul, Turkey

Cagatay Basdogan, Koc University, Istanbul, Turkey

We have developed a new numerical scheme for simulating linear viscoelastic tissue behavior modeled by FEM. We have integrated experimentally-measured viscoelastic tissue properties into our model for realistic force feedback to the user. A new precomputation method based on superposition principle was proposed for real-time computation of nodal displacements and interaction forces. We achieved stable haptic interactions by executing the viscoelastic model at 100Hz while the haptic loop was updated at 1KHz. The developed model and the proposed pre-computation approach have been both validated using ANSYS.

Index Terms:

linear viscoelastic FEM, experimentallymeasured tissue properties, integration of tissue properties into models, pre-recording, real-time surgical simulation, haptics.

Citation:

Mert Sedef, Evren Samur, Cagatay Basdogan, "Visual and Haptic Simulation of Linear Viscoelastic Tissue Behavior Based on Experimental Data," haptics, pp.30, 2006 International Symposium on Haptic Interfaces for Virtual Environment and Teleoperator Systems (HAPTICS'06), 2006

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