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

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Future Work• Future work will focus on the development of an iterativereconstruction algorithm for SPECT.• This algorithm will incorporate the TITAN code for forwardprojection.• Our goal is to demonstrate that the TITAN code’sinclusion will result in a fast and accurate reconstructionalgorithm.• Also, this new collimator algorithm is applicable in otherareas, such as modeling streaming radiation throughducts in a reactor.Nuclear EngineeringProgram46
To solve 3‐D, real‐world particle transport problemsaccurately and efficiently,HYBRID methods which combine the benefits ofdifferent techniques/methodologies are neededNuclear EngineeringProgram47
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 and 30: Step 2 - Selection of fictitious di
Page 31 and 32: Step 3 ‐ Sn with Fictitious Quadr
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: Comparison of serial computation ti

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

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