SIM^TM - Simulation and Interactive Analysis

SIM is a Graphical User Interface (GUI) for simulation, interactive modeling, analysis and training
SIM can be driven by a transient analysis code or by data from a facility
SIM configurations can be for simulation & training or for interactive analysis or for combined use
SIM links to any time dependent analysis code - SIM is currently linked to the RELAP5 and MELCOR codes
SIM uses plant specific models and screens developed by the user
SIM allows the user to build and link his own screens with the drag and drop Screen Builder
SIM runs under Windows NT 4.0 on Pentium PCs and on DEC Alpha Workstations

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SIM Simulation, Interactive Modeling and Analysis of Time Dependent Processes
SIM Simulator Applications
SIM Transient Simulation
SIM Screen Builder
Post Processor - GRAPHMAN
SIM Applications
SIM Training Uses
SIM Hardware and Support
Sample Screen Shots

Develop, test and use transient models efficiently by observing the data from ongoing calculations on screen.
Perform transient and accident calculations with instant on-screen display of all calculated information.
Interactively change the scenario during execution by changing status of active components (start/stop pumps, open/close valves, etc.)
Produce edited report ready plots and screen graphs for paperless export to word processor.
On-line status change of plant configuration via:
- Initiating events and component failure events in prepared Malfunction Table (run setup)
- During execution or simulation, add, change or delete runtime component failures
- Model outage times or repair times
- Model automatic control and protection system interactions
SIM features full control Replay, an Events Log and execution speed control
On-line display of transient parameter plots instantly during execution or simulation:
- Multiple plots with multiple curves on-screen simultaneously with unlimited plot pages
- On-line automatic and manual scale range changes with linear or logarithmic scales and unit conversion
- On-line parameter value scanning and event marking on plots
- Plot arithmetic combinations of plot parameters (averages, differences, scaling, etc)
- Print from screens or write plot file for post-processing with GRAPHMAN
- Post-processor curve merging, plot editing, labeling, printing and paperless exporting
On-line visualization screens for nodalization data & dynamic processes

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Run independent first principle test calculations for simulator training scenarios.
Test and ascertain the fidelity and limits of your training simulator.
Build a flexible training center with separate instructor and trainee stations based on the same codes and models used for your design and licensing calculations.
Build a more flexible screen based analytical training simulator driven by the same codes and models used to perform the design and licensing calculations for the plant.

Display plant status in interactive P&ID type System Screens, Control Panel Screens and SPDS Screens
Screens display dynamically color coded component, system & plant status; dynamic numerical data windows; water level; local temperature, pressure, void fraction, etc in continuous color scale
Simulate control room actions on-line by interactive mouse or touch panel actions in Control Panel Screens
Nodalization screen displays color coded temperature, pressure, density, void fraction, flow rate in full model
One or two monitor configuration, or instructor station with separate trainee stations, or control room style configurations
RELSIM and MELSIM run in real-time with realistic plant models on current PCs and DEC Alpha Workstations
User creates, modifies & links screens efficiently with drag & drop screen editor & component shape library

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SIM or TVP can write a plot file or print a color screen at any time during execution or simulation
Process plot files into report ready graphs with the interactive graphical post processor GRAPHMAN for paperless exporting to word processor
Select parameters from filtered list, up to 10 curves per graph; merge curves from different cases or from test data
Add titles, axis descriptions, labels & edit legend; set linear or logarithmic scale range; add gridlines & bars

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SIM is an efficient, user-friendly and time-saving tool for transient, design basis & severe accident analysis
Use SIM to develop, evaluate, test and validate off-normal and emergency procedures
Evaluate limits and fidelity of plant simulator models, test and verify simulator sessions
Train staff in simulator-like environment for transient & accident response with detailed physical insight
Use system for individual or group training
Develop, optimize, validate and implement accident management guidelines
Let the codes you use drive SIM, use your own code models, design & build your own screens

Conduct emergency drills on a system that handles the full range of conditions.
Give the senior technical staff an individual training tool that yields detailed physical insights for a scenario.
Give your senior staff a training scenario on a disk with the instruction: "Tell me in two weeks what is happening in this scenario."
Drive the SPDS screens with a full range accident analysis tool for technical support center training.
Give your emergency procedure and severe accident management guideline team a user-friendly tool to develop and evaluate candidate procedures by test simulation.
Have a first principle tool to train your staff and the TSC in the new SAMGs.
Conduct severe accident management training for safety and technical support center staff

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SIM runs on Pentium PCs and DEC Alpha workstations under Windows NT 4.0
Custom installations on UNIX systems
RMA provides support services to make your transient codes operational under SIM and to develop plant specific models and SIM-linked screens.

For more information contact us.

SIM TM - Simulation and Interactive Analysis