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change.log
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Version 1.5.1
- Bugs correction, mainly in FFphysprop.c
Version 1.5.0
- Structure FF_SubstanceData (in FFbasic.h) enlarged: Longer name, and addition of refH and refS,.
- New functions that allow EOS calculations passing a FF_SubstanceData structure.
- Faster and more complete calculation of residual Helmholtz derivatives in multiparameter EOS.
- Several bug corrections.
- New function for viscosity calculation from T and P (phase independent).
- Corresponding states saturated viscosity and thermal conductivity calculation added.
- PPDS9 fitting added.
Version 1.4.2
- Bug correction: The structure for multiparameter EOS data was limiting the number of terms below the used.
Version 1.4.1
- Bug correction: The vapor density calculated by the multiparameter EOS was divided by 0.8.
Version 1.4.0
- Much improved density solver, that allows to work at fractions of degree from the critical point and at high pressure.
- Simpler and improved vapor pressure solver.
Version 1.3.0
- Added information for reduced buld modulus of the liquid in FF_BaseProp and FF_SubstanceData structures
- Added FF_NoFamily in the FF_SubstanceType enumerarion
- Added calculations for correlation number 200 (heat capacity by DIPPR107 in J/(kg·K))
Version 1.2.0
- Added PPDS15 to the correlarion equations.
- Added liquid isothermal compressibility to the FF_SubstanceData structure.
- New function for enthalpy and entropy calculation from a Cp correlation.
- Solved bugs in the enthalpy calculation using Wilhoit and Cooper equations.
Version 1.1.6
- Correction of a bad merge with Git
Version 1.1.5
- Modified the record FF_BaseProp, adding: Radius of gyration, Paracor, melting temperature and enthalpy, and ideal gas formation heats and entropy.
This makes the record incompatible with previous exportations.
- Modified the record FF_SubstanceData adding data and temperature for refractive index.
- Added pressure correction for liquid viscosity, according to Lucas method.
- Added liquid viscosity of mixtures, according to Grunberg-Nissan and Teja-Rice methods.
- Added liquid thermal conductivity prediction according to Latini's method.
- Added liquid thermal conductivity for mixtures according to Li's method.
- Added surface tension calculation for pure substances, according to McLeod-Sugden and Sastri-Rao methods.
- Added surface tension calculation for mixtures, according to linear, Winterfeld and McLeod-Sugden methods.
- Added gas viscosity prediction for pure substances according to Lucas method.
- Added gas viscosity calculation for mixtures, according to Wilke method.
- Added gas viscosity calculation for mixtures, according to Lucas method, including pressure correction.
- Added gas thermal conductivity prediction, and pressure correction, both according to Chung's method.
- Added low pressure thermal conductivity calculation for mixtures, according to Mason and Saxena methodology.
Version 1.1.4
- An improved simulation annealing algorithm is now used for both tangent plane, and global Gibbs energy, minimization.
The algorithm stores the best result obtained at high temperatures and performs a final loop at low temperature to improve accuracy.
- A differential evolution global Gibbs energy minimization algorithm is now available for two phases flashes.
Version 1.1.3
- The multi-start Nelder-Mead algorithm, used for global Gibbs energy minimization in biphasic flash, has been replaced by a much more
efficient simulated anneling algorithm, with a final smoothing of the result by some loops of successive substituion.
Version 1.1
- All structures are now defined in the "FFbasic.h" file.
- Stability check by Michelsen, and global optimizer, methodologies added.
- Two phases flash, according to Michelsen methodology improved.
- Two phases flash by global optimizer added.
=======
Version 1.1.4
- An improved simulation annealing algorithm is now used for both tangent plane, and global Gibbs energy, minimization. The algorithm stores the best result obtained at high temperatures and performs a final loop at low temperature to improve accuracy.
- A differential evolution global Gibbs energy minimization algorithm is now available for two phases flashes.
Version 1.1.3
- The multi-start Nelder-Mead algorithm, used for global Gibbs energy minimization in biphasic flash, has been replaced for a much more efficient simulated anneling algorithm, with a final smoothing of the result by some loops of successive substituion.
Version 1.1
- All structures are now defined in the "FFbasic.h" file.
- Stability check by Michelsen, and global optimizer, methodologies added.
- Two phases flash, according to Michelsen methodology improved.
- Two phases flash by global optimizer added.
>>>>>>> c1e4dbf21d6ad7ccff9c5c51dbb9bd5f18783e2e
- Code cleaning and bugs correction.