equinor

equinor/neqsim

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

2 good first / help-wanted issues · Java · last activity Aug 26, 2026

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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2 Open Issues Need Help Last updated: Aug 26, 2026

Open Issues Need Help

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Publish NeqSim releases to Central Maven Repository 13 days ago
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
SaturationTemperature / SaturationPressure ~20x slower since 3.12.0 (full-range scan never exits early) about 2 months 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