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DEXPI Process
to extract data from simulators

What is DEXPI Process?

DEXPI Process is part of a data exchange standard for the process industry, developed and maintained by the DEXPI e.V. association.

It defines an information model for block flow diagrams (BFD) and process flow diagrams (PFD).

DWSIM Pro is the first process simulator that supports DEXPI Process.

It is for every engineer who wants to use the information stored in a simulation file in another software.

The German industry requested an Open Architecture for Process Simulation

  • Open System
  • Flexible Components (grey/pink)
  • Integrated into a company’s digital infrastructure (green)
Process Simulation Chart
“There is still no simulation environment that can represent all aspects of a process life cycle sufficiently well.”
"Source: DECHEMA – ProcessNet, Position Paper “Process Simulation – Fit for the future?”, March 2021" with this link https://dechema.de/en/Positionspapier_Prozesssimulation-path-123212,124930.html
“The process industry is additionally interested in open, modular solutions for individual aspects of the life cycle.”
"Source: DECHEMA – ProcessNet, Position Paper “Process Simulation – Fit for the future?”, March 2021" with this link https://dechema.de/en/Positionspapier_Prozesssimulation-path-123212,124930.html
“The concept of self-sufficient, closed process simulations will increasingly change into an open system of flexible components that are integrated into a digital infrastructure.”
"Source: DECHEMA – ProcessNet, Position Paper “Process Simulation – Fit for the future?”, March 2021" with this link https://dechema.de/en/Positionspapier_Prozesssimulation-path-123212,124930.html
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“This requires transparent and widely accepted interfaces, the integration of further data and a central management of consistent substance data as well as open architectures.”
"Source: DECHEMA – ProcessNet, Position Paper “Process Simulation – Fit for the future?”, March 2021" with this link https://dechema.de/en/Positionspapier_Prozesssimulation-path-123212,124930.html
“It will probably not be possible to achieve the necessary consistency in a single simulation tool.”
"Source: DECHEMA – ProcessNet, Position Paper “Process Simulation – Fit for the future?”, March 2021" with this link https://dechema.de/en/Positionspapier_Prozesssimulation-path-123212,124930.html
“The development of intelligent software architectures should focus on interfaces and central model management systems.”
"Source: DECHEMA – ProcessNet, Position Paper “Process Simulation – Fit for the future?”, March 2021" with this link https://dechema.de/en/Positionspapier_Prozesssimulation-path-123212,124930.html
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View DEXPI Process specification here.

DEXPI FAQ

  • Which problem does the DEXPI standard solve?

    The process industry has decided to move from document-centric to data-centric engineering.

    Engineering documents typically come in the Adobe PDF or the Microsoft Excel XLSX format and do not contain a standardized structure.

    Data typically comes as key-value pairs, it is structured hierarchically, and it does not contain a standardized structure either. 

    DEXPI – an acronym for “data exchange in the process industry” – establishes a data exchange model based on the ISO 15926 standard, so that EP/EPCs*, owner-operators, and equipment vendors, but also site services and authorities become more efficient during planning, construction and operation of plants.

    *Engineering-Procurement-Construction

  • What is DEXPI Process?

    DEXPI Process is the new standard for exchanging block flow diagrams (BFDs) and process flow diagrams (PFDs).

    DEXPI Process is a part ("package") of the DEXPI information model, which is part of the DEXPI Specification, as published by DEXPI e.V. (Frankfurt am Main, Germany).

    DEXPI Process centers on the Process Step, whereas DEXPI covers the Plant Item

    DEXPI+ refers to the Dechema e.V. working group that defined DEXPI Process. In the past, DEXPI+ was also used to refer to DEXPI Process itself.

  • Can I convert a simulation from AspenPlus, CHEMCAD, HYSYS, Unisim Design, ProSim, Pro II, etc.?

    Yes, if you have a license for one of these simulators.

    Please contact us at support@simulate365.com  

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