recordHelmholtzDerivs3rd
derivatives of dimensionless Helmholtz-function w.r.t dimensionless pressuredensity and temperature, including 3rd derivatives
Extends from Modelica.Icons.Record (Icon for records).
Information
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Components
| Type | Name | Default | Description |
|---|---|---|---|
| Units.SI.Density | d | density | |
| Units.SI.Temperature | T | temperature | |
| Units.SI.SpecificHeatCapacity | R | specific heat capacity | |
| Real | delta | dimensionless density | |
| Real | tau | dimensionless temperature | |
| Real | f | dimensionless Helmholtz-function | |
| Real | fdelta | derivative of f w.r.t. delta | |
| Real | fdeltadelta | 2nd derivative of f w.r.t. delta | |
| Real | fdeltadeltadelta | 3rd derivative of f w.r.t. delta | |
| Real | ftau | derivative of f w.r.t. tau | |
| Real | ftautau | 2nd derivative of f w.r.t. tau | |
| Real | ftautautau | 3rd derivative of f w.r.t. tau | |
| Real | fdeltatau | mixed derivative of f w.r.t. delta and tau | |
| Real | fdeltadeltatau | mixed derivative of f w.r.t. delta (2nd) and tau | |
| Real | fdeltatautau | mixed derivative of f w.r.t. delta and tau (2nd) |