Check the stability of a point in the critical line. The stability is
determined by tpd analysis.
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| class(ArModel), | intent(in) | :: | model |
Equation of state model |
||
| real(kind=pr), | intent(in) | :: | z0(:) |
Molar fractions of the first fluid |
||
| real(kind=pr), | intent(in) | :: | zi(:) |
Molar fractions of the second fluid |
||
| real(kind=pr), | intent(in) | :: | Pc |
Pressure [bar] |
||
| real(kind=pr), | intent(in) | :: | Vc |
Volume [L/mol] |
||
| real(kind=pr), | intent(in) | :: | Tc |
Temperature [K] |
||
| real(kind=pr), | intent(in) | :: | a |
Molar fraction of the second fluid |
||
| logical, | intent(out) | :: | unstable |
Stability of the point) |
||
| real(kind=pr), | intent(out) | :: | y_other(:) |
Molar fractions of the second fluid |
||
| real(kind=pr), | intent(out) | :: | V_other |
Volume [L/mol] |
| Type | Visibility | Attributes | Name | Initial | |||
|---|---|---|---|---|---|---|---|
| real(kind=pr), | private | :: | P | ||||
| real(kind=pr), | private | :: | dy | ||||
| logical, | private | :: | first | ||||
| real(kind=pr), | private | :: | fug_y(2) | ||||
| real(kind=pr), | private | :: | fug_z(2) | ||||
| integer, | private | :: | istab | ||||
| integer, | private | :: | istab0 | ||||
| real(kind=pr), | private | :: | mintpd | ||||
| logical, | private | :: | possible | ||||
| real(kind=pr), | private | :: | tpd | ||||
| real(kind=pr), | private | :: | y(2) | ||||
| real(kind=pr), | private | :: | z(2) |