Residual Helmholtz Energy for a generic Cubic Equation of State.
Calculates the residual Helmholtz Energy for a generic Cubic EoS as defined by Michelsen and Møllerup:
This routine assumes that the is not a constant parameter (as it uses to be in classical Cubic EoS) to be compatible with the three parameter EoS RKPR where is not a constant and has its own mixing rule.
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| real(kind=pr), | intent(in) | :: | n(:) | Number of moles | ||
| real(kind=pr), | intent(in) | :: | v | Volume [L] | ||
| real(kind=pr), | intent(in) | :: | t | Temperature [K] | ||
| real(kind=pr), | intent(in) | :: | B | Repulsive parameter [L] | ||
| real(kind=pr), | intent(in) | :: | dBi(size(n)) | 
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| real(kind=pr), | intent(in) | :: | dBij(size(n),size(n)) | 
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| real(kind=pr), | intent(in) | :: | D | Attractive parameter | ||
| real(kind=pr), | intent(in) | :: | dDi(size(n)) | 
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| real(kind=pr), | intent(in) | :: | dDij(size(n),size(n)) | 
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| real(kind=pr), | intent(in) | :: | dDidT(size(n)) | 
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| real(kind=pr), | intent(in) | :: | dDdT | 
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| real(kind=pr), | intent(in) | :: | dDdT2 | 
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| real(kind=pr), | intent(in) | :: | D1 | parameter | ||
| real(kind=pr), | intent(in) | :: | dD1i(size(n)) | 
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| real(kind=pr), | intent(in) | :: | dD1ij(size(n),size(n)) | 
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| real(kind=pr), | intent(out), | optional | :: | ar | Residual Helmholtz | |
| real(kind=pr), | intent(out), | optional | :: | arv | 
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| real(kind=pr), | intent(out), | optional | :: | ArT | 
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| real(kind=pr), | intent(out), | optional | :: | artv | 
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| real(kind=pr), | intent(out), | optional | :: | arv2 | 
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| real(kind=pr), | intent(out), | optional | :: | ArT2 | 
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| real(kind=pr), | intent(out), | optional | :: | Arn(size(n)) | 
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| real(kind=pr), | intent(out), | optional | :: | ArVn(size(n)) | 
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| real(kind=pr), | intent(out), | optional | :: | ArTn(size(n)) | 
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| real(kind=pr), | intent(out), | optional | :: | Arn2(size(n),size(n)) | 
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| Type | Visibility | Attributes | Name | Initial | |||
|---|---|---|---|---|---|---|---|
| real(kind=pr), | public | :: | AUX | ||||
| real(kind=pr), | public | :: | FFB | ||||
| real(kind=pr), | public | :: | FFBB | ||||
| real(kind=pr), | public | :: | FFBV | ||||
| real(kind=pr), | public | :: | auxD2 | ||||
| real(kind=pr), | public | :: | d2 | ||||
| real(kind=pr), | public | :: | f | ||||
| real(kind=pr), | public | :: | fB | ||||
| real(kind=pr), | public | :: | fBD1 | ||||
| real(kind=pr), | public | :: | fD1 | ||||
| real(kind=pr), | public | :: | fD1D1 | ||||
| real(kind=pr), | public | :: | fVD1 | ||||
| real(kind=pr), | public | :: | fv | ||||
| real(kind=pr), | public | :: | fv2 | ||||
| real(kind=pr), | public | :: | g | ||||
| real(kind=pr), | public | :: | gv | ||||
| real(kind=pr), | public | :: | gv2 | ||||
| integer, | public | :: | i | ||||
| integer, | public | :: | j | ||||
| integer, | public | :: | nc | ||||
| real(kind=pr), | public | :: | totn |