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

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TITAN Algorithm allows for the use of different algorithms,even Monte Carlo, in different coarse meshes.Sn Solver –coarse mesh( n)gijk2n 2n 2nxin y in z inQx y z2n 2n 2nijk x y z( n)gijkCM solver‐coarse meshoutginkginkin gisQink gingisinkginke (1 e )giinoutQgingink gink s gi ink gi A P BA B P B AB AANuclear EngineeringProgram 20B
TITAN Code SystemTITAN is a 3‐D, parallel code system with a hybridSn and Characteristics algorithm1. Written from scratch in Fortran 90 with somefeatures in Fortran 2003 standard, such asdynamic memory allocation and object orientedprogramming. (uses similar approach as PENTRAN)2. Compiled by Intel Fortran Compiler (ifc 8.0+) orPGI f90 compiler (pgf90 6.1), still underdevelopment, over 22,000 lines nowNuclear EngineeringProgram 21
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: Slide11Medicine• Development of a
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 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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