equinor/neqsim

NeqSim is a library for calculation of fluid behavior, phase equilibrium and process simulation

147 stars 63 forks 147 watchers Java Apache License 2.0

equation-of-state fluid-properties gas-production gas-transport java oil-and-gas phase-equilibrium physical-properties process-simulation processing pvt thermodynamics

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1 Open Issue Need Help Last updated: Aug 26, 2026

Open Issues Need Help

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SaturationTemperature / SaturationPressure ~20x slower since 3.12.0 (full-range scan never exits early) about 4 hours ago

bug help wanted

equinor/neqsim

147

NeqSim is a library for calculation of fluid behavior, phase equilibrium and process simulation

Java

#equation-of-state#fluid-properties#gas-production#gas-transport#java#oil-and-gas#phase-equilibrium#physical-properties#process-simulation#processing#pvt#thermodynamics