Beta F90 Version Status Nolan Anderson Date: July 26, 2011

Outline New Version Content Updates Included Since Version Performed Testing Number of users with beta version

RELAP5-3D CHANGES SINCE VERSION RELAP5-3D Changes/New Features Since Version New Features – FORTRAN 95 – Restructuring with FOR_STRUCT – Developmental Assessment – Improved Time Step Control – Improved Nodal Kinetics – Institutionalized Card 1, Option 3 (Consistent Sound Speed Calculation between Volumes and Junctions when Noncondensables are Present)

RELAP5-3D CHANGES SINCE VERSION (cont.) – Allow Efficiency Multiplier (for Type-3 Turbine) using a Control Variable and Turbine Inlet Junction Form Loss Multiplier using a Control Variable – Allow PVM Coupled Restart from Uncoupled Runs – Modified PVM Coupling to send any RELAP5-3D Nodal Kinetics Variable instead of the Restricted List of Power, Zone, Heat Structure Average Temperature, etc. – Added Card 1 Option 27 to set Theta Velocity in Outermost Ring of Rigid Body Rotation and R-theta Symmetric Problems to 1.0 m/s – Added Card 1 Option 29 to allow more Accurate Solution to Momentum Equations for Low Flows – Allow Fluid Interactive Capability for the Working Fluid D2O – Allow Input Options NEW and NEWATH to use all Working Fluids

RELAP5-3D CHANGES SINCE VERSION (cont.) – ANS 2005 Decay Heat Standard – Pump Head and Torque Multiplier as a Function of Pressure and Void Fraction – CO2 Properties Improvement for Running near and through the Critical Point – Improved Compressor Model (Allow Input Negative Flows on Speed Tables, Allow Compressors to Run with Noncondensable Gases) – Added Command Line Argument ‘-stat’ for Run Statistics for Developmental Assessment

RELAP5-3D CHANGES SINCE VERSION (cont.) – 2D Heat Conduction Model without Reflood – Alternate Heat Structure – Fluid Coupling Model – Linux SUSE Platform Capability – R5FORCE Windows PC Platform Capability – PVM Coupling Junction – Fluids DOWTHERM A and R134a (SUVA) – Added Card 1 Option 71 to allow Improved Metastable Extrapolation into Superheated Liquid – Added Additional Mass Error Edits – AptPlot Capability

Updates Included Since Version VersionChanges/Updates included in version 2.5.0Conversion to volume and junction modules, code restructuring Code restructuring, conflict corrections Conversion of inverted junction table block F90 conversion, Linux compatibility updates.

Updates Included Since Version VersionChanges/Updates included in version 2.5.4Conversion of various common blocks Linux compatibility updates, add alternate heat structure – fluid coupling model, code restructuring, conversion of heat structure block Code restructuring, error fixes Corrections for various fluids, compressor and turbine fixes.

Updates Included Since Version VersionChanges/Updates included in version 2.5.8Various fixes Conversion of general tables block, conversion of inverted heat table Conversion of components block, updates for low speed flow Various fixes Pump head multiplier updates, conversion of module restart capability, various fixes.

Updates Included Since Version VersionChanges/Updates included in version 2.7.0Addition of 2D conduction model, conversion of envrl directory, fixes, further F90 conversion Various fixes, transient nodal kinetics conversion completed, introduction of subroutine IREQUEST Conversion of fluid properties, conversion of components, PVM module introduction Removal of comdeck usage, iordinal calls, conversion of radiation/conduction enclosure model, and error fixes Conversion of scratch space, additional IREQUEST changes, and restart conversion

VersionChanges/Updates included in version 2.7.5Conversion of scratch space, IREQUEST changes, and conversion of pointers Conversion of scratch space, pointers, off-diagonal elements in nearly-implicit velocity matrix, and partial conversion of PVM Conversion of scratch variables ‘ihld’/’jhld’, heat scratch, module restart, reflood and non-reflood conversion, and removal of iordinal uses Error fix, convert kinetics coupling, removal of ‘iordinallpd’ Removal of iordinals, error fixes, SCNREQ removal, 3D- hydro conversion. Updates Included Since Version cont.

VersionChanges/Updates included in version 2.8.0Removal of fa-indecies, fixes, removal of fa file 31 (PVM), and cleanup Conversion of r- and i- level, PVM restart, removal of fa file 43 (level model), fa file 30 (hydrodynamic systems), and fa file 35 (list vectors) Conversion of r- and i- level, partial conversion of fa files 25 (moving systems) and 47 (radionuclide transport data), cleanup, and solvers conversion R-level conversion of heat structures, removal of ‘trptm’ and ‘trptmss’, conversion of plots, control variables, and removal of fa file 8 (heat structures) Nearly-implict fa removal and conversion, removal of fast.H from various subroutines, and modifications for plotting. Updates Included Since Version cont.

VersionChanges/Updates included in version 2.8.5Conversion of r-level nodal kinetics, reflood conversion, fa removal, conversion of interactive variables, and error fixes Strip file conversion, error fixes, and plot modifications Plot modifications, error fixes, and addition of Card 1 Option 27 for DA Plot modifications and error fixes Plot modifications, error fixes, PC compilation fixes.

VersionChanges/Updates included in version 2.9.3Addition of ANS2005 Decay Heat Standard, integer DTSTEP work, Card 1 Option 3 work, nodal kinetics updates, implementation of viscous effects, and various fixes 2.9.4PVM coupling junction and flexible wall updates, addition of DowThermA fluid, and various fixes Error fixes Beta Version. Fixes for the K and NaK viscosity, various additional fixes. Updates Included Since Version cont.

Performed Testing 32-bit64-bit32-bit with PVM64-bit with PVM Installation test set Bettis test set DA cases Installation test set Bettis test set DA cases Installation test set Bettis test set DA cases PVM Test Matrix TestDT cases Installation test set Bettis test set DA cases PVM Test Matrix TestDT cases

Number of users with beta version The beta version has been sent to six different user communities. We are awaiting feedback for any user issues.

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