Aspen Custom Modeler

Optimize processes with specialized equipment by creating and sharing custom high-fidelity models with trusted accuracy and flexible workflows.

Quick and Easy Custom Unit Operation Models

Built for Chemical Engineering

Build models with a powerful modeling language designed for chemical engineers. Quickly create customized models for process equipment and write engineering equations — not code.

Integrated or Standalone

Build customized equipment models and integrate them in Aspen Plus and Aspen HYSYS flowsheets. Link Aspen Custom Modeler to Microsoft Excel via Aspen Simulation Workbook.

Vast Physical Property Database

Rely on a database with 37,000 components, 127 property packages and 5M+ data points and interaction parameters. Employ state-of-the-art activity coefficient models and equations of state.
Get to know V12

Introducing aspenONE Engineering deployment in the cloud: Access the latest software anytime, anywhere

aspenONE Engineering software is now available for cloud deployment! aspenONE Engineering deployment in the cloud accelerates deployment and lowers the total cost of ownership for IT departments and allows user access to the latest aspenONE Engineering innovations anytime, anywhere, through a web browser.

Learn More

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Looking for quick demonstrations on using AspenTech products to solve your engineering and operations challenges? Browse this compilation of bite-sized videos produced by AspenTech experts covering all our major solutions.

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We offer comprehensive libraries of classroom and virtual expert-led training courses for our process engineering and operational solutions. All courses are created and produced by AspenTech experts.