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Latest News

June 24, 2024
Version 16.20 of DESIGN II for Windows is available... More

February 19, 2024
Dr. Chris O'Brien will be attending the Laurance Reid Gas Conditioning Conference... More

December 8, 2023
Please note that WinSim Inc. will be closed on the following days ... More

September 15, 2023
Mr. Michael Lynn McGuire will be attending the GPA Midstream Conference... More

August 29, 2023
The DESIGN II for Windows brochure has been updated... More

September 5, 2022
Please note that we do not sell SIM cards in Germany... More

September 16, 2021
The documentation for DESIGN II for Windows has been updated... More

January 19, 2021
Updated the tutorial... More

September 17, 2018
Free introductory training is available on Friday, November 2, 2018 in ... More

May 29, 2018
We have a new GDPR compliant privacy notice ... More

March 3, 2017
Please fill out the DESIGN II for Windows survey... More

November 21, 2016
WinSim is seeking a Project Sales Engineer ... More

November 21, 2012
WinSim is seeking Resellers for International Markets ... More

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About WinSim

WinSim develops and markets DESIGN II for Windows, a steady-state and dynamic process simulator. We have been doing this since 1995 when we purchased the rights to the program from ChemShare Corporation . WinSim has over 2,000 active users of DESIGN II throughout the world. The company is based in the Houston, Texas metropolitan area.

Rigorous Process Simulation for Chemical and Hydrocarbon Processes including Refining, Refrigeration, Petrochemical, Gas Processing, Gas Treating, Pipelines, Fuel Cells, Ammonia, Methanol, Sulfur and Hydrogen Facilities

  • Chemical Process Simulation (Process Modeling)
  • Hydrocarbon Process Simulation (Process Modeling)
  • 60+ Thermodynamic Methods / 1,200+ Component Database
  • Crude, Mixed Amine and Multi-Component Distillation Towers
  • Flash Vessel Sizing / 2 phase heat Exchanger Rating
  • Four Phase Thermodynamic Calculations (vapor, hydrocarbon liquid, aqueous liquid, and solid)
  • Crude Feed Specifications (ASTM D-86/1160, TBP)
  • ChemTran Data Regression and Property Constants
  • Automatic Output to Microsoft Excel
  • Visual Basic / Visual C++ interface
  • Inline Fortran / Process Optimization / Case Study

Our Brochure (PDF)

Link2WinSim allows anyone to embed the powerful capabilities of one of the most advanced process simulation companies in the world in their proprietary software. 

  • Component Physical Properties
  • Thermodynamics
  • Flash Calculations
  • Any stream or unit module calculations and results
  • Used for building Digital Twins for over 30 years

Link2WinSim can help you enhance the capabilities of your proprietary software package or quickly enable the decision making of your field personnel.



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