gPROMS ModelBuilder 5.0

New global system analysis, dynamic state estimation, high-performance computing and more …

We are pleased to announce the release of gPROMS ModelBuilder 5.0, which can now be downloaded from the customer area.

gPROMS ModelBuilder 5.0 is built on the new gPROMS platform 5.0.1, which introduces two exciting new technologies – Global System Analysis and High-performance Computing – that can substantially increase the value derived from models.

It also brings significant enhancements to the underlying solution technology, amongst a long list of other enhancements.

Key new features – high-value application power, speed and robustness

gPROMS ModelBuilder v5.0 has two key new features aimed at increasing the value that companies can derive from their investment in modelling, and the solution power to deliver it:

gPROMS global system analysis

Global system analysis

This major new functionality makes it easy to explore the complex decision space for process design and operation rapidly and effectively using high-fidelity models.

gPROMS high-performance computing

High-performance computing

Large-scale optimisation applications and global system analyses require significant computing power. ModelBuilder 5.0 brings parallel computation to selected calculations for the first time, via a new High-Performance Computing option.

In addition, the gPROMS environment has a new look-and-feel, as can be seen in an example flowsheet built on the new gPROMS 5.0 platform below.

Global system analysis – explore the decision space rapidly

Global system analysis (GSA) is a powerful new capability for exploring the complex decision space for process design and operation rapidly and effectively using high-fidelity models.

Global system analysis

The user selects input variables to be varied over specified ranges, and output variables of interest – typically key performance indicators (KPIs) that are of critical interest for plant design or operation.

The model is then executed hundreds or even thousands of times, depending on the inputs chosen. The results are then presented in a variety of ways, allowing easy understanding on the influence of inputs (factors) on the outputs (responses).

Key benefits of GSA are the ability to move beyond the traditional 'point calculation' approach to perform sensitivity analysis and uncertainty quantification on complex process systems in a systematic and highly efficient manner. This allows rapid and effective exploration of the process design and operational decision space, with rapid screening and ranking of alternatives.

The GSA implementation

  • is applicable to any gPROMS model irrespective of its size or complexity
  • employs efficient techniques for sampling the input space based on low-discrepancy sequences
  • is designed for deployment on distributed computing hardware
  • has built-in resilience, e.g. in terms of being able to deal with failure of individual samples
  • incorporates extensive facilities for visualising and analysing the variation of the outputs of interest and computing information such as probability distributions, global sensitivity indices and so on.

What else?

PSE's continued work on state-of-the-art numerical solvers sees the full deployment of the DAEBDF solver across all activities, including dynamic simulation, dynamic optimisation and parameter estimation.

gPROMS ModelBuilder 5.0 brings many more new features and improvements. Here are a few:

  • faster and more robust parameter estimation, through the application of DAEBDF and parallelisation
  • new gSAFT capabilities for combined phase and reaction equilibrium, and a significantly-extended database
  • substantial further improvements to Model Initialisation Procedures, including automated initialisation of flowsheets containing complex recycles
  • comprehensive units-of-measurement handling now fully implemented throughout the entire gPROMS framework
  • new OPC client for real-time data exchange
  • much improved responsiveness of the GUI
  • the revamped automatic connection routing is much faster, in particular for large flowsheets, and gives control over its execution
  • choosing variables, for instance for parameter estimation or optimisation, has become much easier by the introduction of instant filters that help to reduce the available choices
  • HiDPI displays offer exceptional viewing quality at pixel densities beyond the resolution of the human eye and offer a print-like experience on the screen; this version of gPROMS offers initial HiDPI support that covers most of the areas of the GUI
  • crisper and clearer flat treeview and toolbar icons bring the gPROMS GUI in line with the most recent interface design experience.

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