Simulated vascular Simulated vascular reconstruction reconstruction in a virtual operating in a virtual operating theatre theatre Robert G. Belleman, Peter M.A. Robert G. Belleman, Peter M.A. Sloot Sloot Section Computational Science, University of Section Computational Science, University of Amsterdam, Amsterdam, Kruislaan 403, 1098 SJ Amsterdam, the Kruislaan 403, 1098 SJ Amsterdam, the Netherlands. Netherlands. Email: Email: (robbel|sloot)@science.uva.nl (robbel|sloot)@science.uva.nl
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Simulated vascular reconstruction in a virtual operating theatre Robert G. Belleman, Peter M.A. Sloot Section Computational Science, University of Amsterdam,
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Components:Components:– blood flow simulationblood flow simulation– visualization in a virtual environmentvisualization in a virtual environment– interaction with simulation and interaction with simulation and
– Lattice based particle methodLattice based particle method Regular lattice, similar to CT or MRI datasetsRegular lattice, similar to CT or MRI datasets Allows irregular 3D geometryAllows irregular 3D geometry Allows changes at run-timeAllows changes at run-time
Velocity, pressure and shearVelocity, pressure and shearstress calculated fromstress calculated fromparticle densitiesparticle densities
10-100Mb of data per iteration10-100Mb of data per iteration– Velocity, pressure, shear stressVelocity, pressure, shear stress– May take seconds to transfer May take seconds to transfer
Increasing communication Increasing communication throughputthroughput
The Virtual LaboratoryThe Virtual Laboratory Shared use of distributed computing resources:Shared use of distributed computing resources:
high performance computers, scanners, algorithms, etc.high performance computers, scanners, algorithms, etc.– Connected via high performance networksConnected via high performance networks– Common infrastructure: the Common infrastructure: the Virtual LaboratoryVirtual Laboratory
– Sloot, Hoekstra, Zhao, Artoli, Merks, Shulakov, ShamoninSloot, Hoekstra, Zhao, Artoli, Merks, Shulakov, Shamonin Leiden University Medical Center (LUMC)Leiden University Medical Center (LUMC)
– Biomedical department (Zarins, Taylor)Biomedical department (Zarins, Taylor) SARA Computing and Networking ServicesSARA Computing and Networking Services
Related work:Related work: Lattice Boltzmann flow simulation: Artoli, Hoekstra (UvA/SCS)Lattice Boltzmann flow simulation: Artoli, Hoekstra (UvA/SCS) Segmentation of MRA images: Koning, Schaap (LUMC)Segmentation of MRA images: Koning, Schaap (LUMC) Agent based solutions to interactive systems: Zhao (UvA/SCS)Agent based solutions to interactive systems: Zhao (UvA/SCS)