Introduction to SDTP Regional Technical Support and Training Centers and Staff
Presented
Dr. C. M. Allison
Innovative Systems Software
SDTP is an international cooperative program developing nuclear safety related software
• Nearly 60 organizations in 28 countries support activities
– Program members and licensed software users
– ISS administers program
• Regional technical support and training centers currently located in US, Europe, China, and Latin America
• Activities supported through in-kind contributions, membership fees, and software licensing fees
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SDTP-supported software
• RELAP/SCDAPSIM • SAMPSON (NUPEC)
– Detailed severe accident analysis
• FUELSIM – LWR fuel behavior analysis
• Advanced graphical user interfaces – Integrated graphics displays – RELSIM
ISS and SDTP technical support and training team
• Regional centers in US, Spain, Croatia, Italy, China, Romania, and Mexico provide technical support and training for SDTP-supported software
• Regional center technical experts provide support for other organizations
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Regional technical support and support centers
• US (Idaho) ISS
– 30+ years experience with RELAP5, SCDAP, FRAP
• Staff members leaders of US NRC RELAP5, FRAPCON/FRAPT, SCDAP/RELAP5 code development at INL 1970-1996
– SDTP responsibility
• Coordinate SDTP software development, validation, and training activities
• RELAP/SCDAPSIM and FUELSIM configuration control
• Code/model development training and support
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Regional technical support and support centers
• Croatia – EncoNet/University of Zagreb – 30+ years experience with RELAP5 and SCDAP
• US NRC CAMP (RELAP/MOD3.3, TRACE)
• Safety and licensing analysis support for Krsko NPP, Chasnupp NPP
• Training IAEA – thermal hydraulics and severe accident
– SDTP technical support and training • PWR model development and technical review
• Thermal hydraulic code coupling and model development
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Regional technical support and support centers
• Spain – University of Catalonia
– 30+ years experience with RELAP5
• US NRC CAMP (RELAP/MOD3.3, TRACE)
• Safety and licensing analysis support for Spanish utilities and regulatory body
– SDTP technical support and training
• PWR model development and technical review
• RELAP5 code/model development and training
• Uncertainty methods development and training
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Regional technical support and support centers
• Italy – University of Pisa
– 30+ years experience with RELAP5
• US NRC CAMP (RELAP/MOD3.3, TRACE)
• Safety and licensing analysis support for Argentina
• ATUCHA II NPP
– SDTP technical support and training
• RELAP5 code/model development and training
• Numerical methods development
• Uncertainty methods development and training
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Regional technical support and support centers
• Germany – Karlsruhe Institute of Technology (formerly known as Forschungszentrum Karlsruhe)
• 30 + years experience performing integral and separate effects experiments such as CORA and QUENCH
• 30+ years experience with RELAP5 and SCDAP
powersupply
powersupply
cooling bundle foot
cooling bundle head
topquenching(option)
bottom quenching
Ar cooling jacket
Ar purge flow
ZrO insulation2
containment
shroud
H O2
H O2
H O2
H O2
H O2
steam + Ar
steam + Ar + H2
H O2
Ar
Ar
H O2
He(fuel rods)
test bundle
coolingoff-gas pipe
heated length 1 m~~
2.9 m
800 mm
H O or steam2
H O2
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Regional technical support and support centers
• Mexico – University of Mexico
– 10+ years experience with RELAP5 and SCDAP
• Safety and licensing analysis support for regulatory body and Laguna Verde NPP
– SDTP technical support and training
• RELAP5 BWR code/model development and training
• Plant simulator methods development and training
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Regional technical support and support centers
• Romania – Polytechnic University
– 10+ years experience with RELAP5 and SCDAP
• Safety and licensing analysis support for regulatory body and utility
– SDTP technical support and training
• CANDU/HWR plant model development and review
• Model development and training
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Regional technical support and support centers
• China – Shanghai Jiao Tong University
– 5+ years experience with RELAP5 and SCDAP
– SDTP technical support and training
• Model development and training – 3D reactor kinetics
– SCWR models and correlations
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ISS staff and consultants
Dr. Chris Allison
• INL (Idaho National Laboratory) – 1974-1996 – Manager and technical leader RELAP5, TRAC-BD,
and SCDAP/RELAP5 code development activities
• ISS (Innovative Systems Software, LLC) – Administrator and technical leader - SDTP code
development and training activities
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Richard (Dick) Wagner
• INL (Idaho National Laboratory) 30 + years – …
– Chief programmer and architect – RELAP5
• ISS (Innovative Systems Software, LLC) – RELAP/SCDAPSIM chief programmer and architect
– Coordinates RELAP5 TH model/code development activities
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Larry Siefken
• INL (Idaho National Laboratory) 30 + years – …
– Leader and prime model developer – FRAP-T transient fuel behavior code
– Prime model developer – SCDAP fuel behavior and core damage progression models
• ISS (Innovative Systems Software, LLC) – Coordinates SCDAP model development activities
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Judy Hohorst
• INL (Idaho National Laboratory) 20 + years – …
– SCDAP/RELAP5 code validation
– MATPRO development
• ISS (Innovative Systems Software, LLC) – Coordinates RELAP/SCDAPSIM model assessment and
validation activities
– User training
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Gary Berna
• INL (Idaho National Laboratory) 30 + years – …
– Leader and prime model developer – FRAP-CON steady-state fuel behavior code
– Model developer – SCDAP fuel behavior and core damage progression models
• ISS (Innovative Systems Software, LLC) – Code architect – FUELSIM
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Other staff and consultants
• M. Perez – Uncertainty analysis, code development and training (ISS/Univ. of Catalonia)
• B. Allison – Computer and graphical software support (ISS) – RELSIM technical support and training
• M. Adorni – Fuel behavior development and assessment (ISS/Univ. of Pisa)
• S. Hagen – Experimental support (KIT - retired) • R. Riemke – RELAP5 technical support (INL
retired)
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Other Key Contributors (University member PhD research)
• University of Florida – Fission product transport and deposition model
development
• McMaster University – Model development and assessment – SCWR
• India Institute of Technology – Kanpur – Gen IV alternative fluids model development
• University of California – Berkley – Gen IV (molten salt) model development
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