1 - Nuclear Science and Engineering Lab (NSEL) - Virginia Tech

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Step 3 –Snwith fictitious direction• To calculate angular fluxes along directions ofinterest, TITAN Sn algorithm is modified for treatinga fictitious quadrature set• Fictitious quadrature represents all the projection anglesand directions created through circular splittingNuclear EngineeringProgram30
Step 3 ‐ Sn with Fictitious Quadrature• To calculate the angular flux for the fictitiousquadrature set on the surface of the phantom, wedeveloped the following algorithm:• Obtain flux moments from step 1• Calculate Scattering Source for Extra Sweep along fictitiousquadrature set• Perform an extra sweep to obtain angular flux along thefictitious quadrature set.Nuclear EngineeringProgram31
Page 1 and 2: Advanced Hybrid Transport Methodolo
Page 3 and 4: Status of VT‐NEP• 5 Core facult
Page 5 and 6: • Leadership: Haghighat, Kulkarni
Page 7 and 8: What is Particle Transport Theory?D
Page 9 and 10: Deterministic - Linear Boltzmann Eq
Page 11 and 12: Monte Carlo Methods• Perform an e
Page 13 and 14: Therefore, hybrid methods are neede
Page 15 and 16: VT3G ‐Advanced Computer codes/For
Page 17 and 18: Nuclear Power• Development of adv
Page 19 and 20: Slide11Medicine• Development of a
Page 21 and 22: TITAN Code SystemTITAN is a 3‐D,
Page 23 and 24: Goal•Simulation of the SPECT (Sin
Page 25 and 26: Nuclear EngineeringProgramNCAT voxe
Page 27 and 28: Discrete ordinatesXHow to model the
Page 29: Step 2 - Selection of fictitious di
Page 33 and 34: Collimator CasesCaseAcceptanceAngle
Page 35 and 36: Maximum difference of TITAN results
Page 37 and 38: Profiles through row 33 ofprojectio
Page 39 and 40: Nuclear EngineeringProgram 39
Page 41 and 42: Further Improvement of COS1. Split
Page 43 and 44: Collimator2.1Normalized Gamma Flux7
Page 45 and 46: Comparison of serial computation ti
Page 47 and 48: To solve 3‐D, real‐world partic

1 - Nuclear Science and Engineering Lab (NSEL) - Virginia Tech

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