Calculates the critical line between two mixtures using the continuation method. The two mixtures compositions are restricted to the relation between them, by a parameter , which represents the molar fraction of the second fluid with respect to the whole mixture.
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| class(ArModel), | intent(in) | :: | model |
Equation of state model |
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| real(kind=pr), | intent(in) | :: | a0 |
Initial value |
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| real(kind=pr), | intent(in) | :: | z0(:) |
Molar fractions of the first fluid |
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| real(kind=pr), | intent(in) | :: | zi(:) |
Molar fractions of the second fluid |
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| integer, | intent(in) | :: | ns0 |
Position of the specification variable |
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| real(kind=pr), | intent(in) | :: | S0 |
Specified value |
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| real(kind=pr), | intent(in) | :: | dS0 |
Initial step size |
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| integer, | intent(in), | optional | :: | max_points |
Maximum number of points |
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| real(kind=pr), | intent(in), | optional | :: | maxP |
Maximum pressure |
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| type(EquilibriumState), | intent(in), | optional | :: | first_point |
| Type | Visibility | Attributes | Name | Initial | |||
|---|---|---|---|---|---|---|---|
| real(kind=pr), | public | :: | P | ||||
| real(kind=pr), | public | :: | S | ||||
| real(kind=pr), | public | :: | T | ||||
| real(kind=pr), | public | :: | V | ||||
| real(kind=pr), | public | :: | X0(4) | ||||
| real(kind=pr), | public, | allocatable | :: | XS(:,:) |
Full set of solved points |
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| real(kind=pr), | public, | allocatable | :: | XS_i(:) |
Full set of solved points |
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| integer, | public | :: | i | ||||
| real(kind=pr), | public | :: | max_P | ||||
| integer, | public | :: | npoints | ||||
| integer, | public | :: | ns | ||||
| real(kind=pr), | public | :: | u(size(z0)) |
eigen-vector |
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| real(kind=pr), | public | :: | u_new(size(z0)) |
eigen-vector |
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| real(kind=pr), | public | :: | z(size(z0)) |