Gas Network Modeling, Simulation and Analysis
Program package description
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Gas network modeling, simulation and analysis software combines the most useful features of GIS and CAD
with an intelligent data model to address facility management issues with optimum efficiency.
Gas network modeling, simulation and analysis software may be very useful for the experts in the field of piping design.
The unique approach allows you to focus on simple workflows while performing complex modeling and
maintenance operations on the network. The features such as network tracing, hydraulic analysis and
simulation with use of numerous industry standards pipe flow equations and gas compressibility factor calculation
methods makes the GNSA valuable tool for the gas network modeling and can definitely increase your return on investment.
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User interface core features:
- Easy-to-use graphical interface with straightforward approaches for a network model
constructing.
- Large interactive network system display.
- Networks of any complexity, with no constraints on a number of pipes joined at a
node.
- Geographic coordinates system.
- Popular online geographical maps providers’ tiles display as a model backdrop.
- Network’s country and city selection from geographical database while creating a
new model.
- Nodes elevations calculation based on their geographical coordinates.
- Point and click drag mechanisms for a model creation.
- Pipeline profile support.
- Nodes dragging and joining/reconnecting, pipes dragging and splitting.
- On screen isolation valves addition and controlling.
- Built-in pipes specifications (ANSI/ASME) and dimensional units.
- Pipes specifications and dimensional units customization.
- Network elements queries exhaustive constructor.
- Orphaned nodes and dead-end pipes queries.
- Network conventional tracing mechanisms, trace upstream (to source), downstream
(away from source), isolating tasks and shortest path of two nodes.
- Color-coding.
- Context sensitive help system integrated into the program package.
- High level of user interface and network customization.
- User profiles support to reuse predefined data and settings for new models creation.
- Auto-save mechanism that prevents data loss during possible failures.
- Data export to Open XML (Microsoft Office 2007-2010) format documents.
- XML based format of all supported data files.
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Solver (Hydraulic Network Analysis) features:
- Base and reference conditions.
- Full and partial gas composition support with up to 21 components.
- Analysis and approximation of initial solution.
- Network data validation and comprehensive analysis before actual solution process.
- Loops generation and minimization mechanisms to reduce calculation time and provide good convergence characteristics.
- Results comprehensive verification based on pipes pressure drops, nodes and loops balances.
- Up to 14 industry standard pipe flow equations support, including Colebrook, Darcy-Weysbach, A.G.A., Panhandle etc...
- Gas compressible flow calculations.
- The most popular methods for gas compressibility factor calculation, including NX19 mod., GERG-91 mod., A.G.A. Detailed and Gross 1, 2 methods.
- Absolute and gauge pressure support.
- Nodes’ elevation difference correction (static pressure adjustment).
- Pipeline length instant calculation based on its profile and nodes’ elevations.
- Atmospheric pressure calculation based on a node’s elevation.
- Gas density calculation.
- Friction factor calculation.
 Extended period simulation with the time patterns support.
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Multiple document interface (MDI) allows you to work with several models at once. You can dock them side by side.
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Delivery and support features:
- Free 30-days trial with the license renewal.
- No additional GIS or CAD software is needed.
- No constraints on the number of pipes or nodes in commercial releases.
- Free deliveries of planned features listed in Version 2.0 planned features list.
- Robust licensing mechanism and online updates' deliveries.
- Integrated online system for new features' requests and issues' reporting.
- Online forum for community members.
- Ongoing development efforts keep GNSA at an optimum performance level and current to clients need.
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Various geographical maps (aerial, streets, hybrid, etc..) allow you to bind your model data to the existing geospatial data right
on the map of your location. Geographical map tiles downloaded and cached on your machine.
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Ongoing development efforts
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Color-coding of the network elements.
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Version 2.0 planned features list (*)
- Gas velocity calculation.
- Gross heating value and viscosity calculation.
- Friction factor (SPL/RPL) display in the user interface.
- Reynolds number display in the user interface.
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(*) - the features will be provided for free in the terms of the purchased license.
End User License Agreement