SIMULIS THERMODYNAMICS

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last updated：Aug 24, 2026

Thermodynamic property estimation software that can be used from Excel add-ins and MATLAB toolboxes.

SIMULIS THERMODYNAMICS is a product of the French company Fives ProSim. It allows for the precise estimation of thermodynamic properties and phase equilibrium states for plant engineering, and can be used as a Thermodynamic Calculation Server accessible from Excel add-ins and MATLAB toolboxes. There are over 30 model equations available for both equation of state models and liquid phase activity coefficient models, along with a standard database of pure substance data (DIPPR) and a Binary Interaction Parameter database. It is also capable of estimating pure substance properties and mixture phase equilibrium properties using the group contribution method. It complies with the Cape-Open standard, allowing integration with other general-purpose simulators and the incorporation of other property estimation software.

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State Equation Models • Redlich-Kwong-Soave (RKS) • Peng-Robinson (PR) • Predictive Peng-Robinson (PPR78) • Lee-Kesler-Plöcker (LKP) • Benedict-Webb-Rubin modified Starling (BWRS) • Sanchez-Lacombe • Nakamura • PPC-SAFT • CPA • Soreide-Whitson Liquid Phase Activity Coefficient Models • Wilson • NRTL • UNIQUAC • UNIFACs • COSMO-SAC Composite Models • MHV2 • VTPR • PSRK • UMR-PRU Specific Models • Steam tables • Chao-Seader, Grayson-Streed • Water-Hydrocarbons • Carboxylic acids • Formaldehyde Electrolyte Models • Sour Water (Edwards) • UNIQUAC electrolyte • ULPDHS • Amines • eNRTL