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laws.cpp
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Mon, Sep 2, 16:51
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Wed, Sep 4, 16:51 (2 d)
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rSPECMICP SpecMiCP / ReactMiCP
laws.cpp
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#include "catch.hpp"
#include "specmicp_common/physics/laws.hpp"
#include "specmicp_common/physics/unsaturated_laws.hpp"
#include <iostream>
using
namespace
specmicp
;
TEST_CASE
(
"Gas perfect"
)
{
SECTION
(
"Pressure"
)
{
REQUIRE
(
laws
::
pressure_perfect_gas
(
1.0
,
1.0
,
1.0
)
==
Approx
(
constants
::
gas_constant
));
REQUIRE
(
laws
::
pressure_perfect_gas
(
2.0
,
1.0
,
1.0
)
==
Approx
(
2.0
*
constants
::
gas_constant
));
REQUIRE
(
laws
::
pressure_perfect_gas
(
1.0
,
3.0
,
1.0
)
==
Approx
(
constants
::
gas_constant
/
3.0
));
REQUIRE
(
laws
::
pressure_perfect_gas
(
1.0
,
1.0
,
4.0
)
==
Approx
(
constants
::
gas_constant
*
4.0
));
REQUIRE
(
laws
::
pressure_perfect_gas
(
2.0
,
3.0
,
4.0
)
==
Approx
(
2.0
*
constants
::
gas_constant
*
4.0
/
3.0
));
}
SECTION
(
"Mole"
)
{
REQUIRE
(
laws
::
mole_perfect_gas
(
1.0
,
1.0
,
1.0
)
==
Approx
(
1.0
/
constants
::
gas_constant
));
REQUIRE
(
laws
::
mole_perfect_gas
(
2.0
,
1.0
,
1.0
)
==
Approx
(
2.0
/
constants
::
gas_constant
));
REQUIRE
(
laws
::
mole_perfect_gas
(
1.0
,
3.0
,
1.0
)
==
Approx
(
3.0
/
constants
::
gas_constant
));
REQUIRE
(
laws
::
mole_perfect_gas
(
1.0
,
1.0
,
4.0
)
==
Approx
(
1.0
/
(
4.0
*
constants
::
gas_constant
)));
REQUIRE
(
laws
::
mole_perfect_gas
(
2.0
,
3.0
,
4.0
)
==
Approx
(
2.0
*
3.0
/
(
4.0
*
constants
::
gas_constant
)));
}
}
TEST_CASE
(
"Debye-Huckel"
)
{
SECTION
(
"Debye-Huckel"
)
{
REQUIRE
(
laws
::
debye_huckel
(
1.0
,
1.0
,
1.0
)
==
Approx
(
-
(
constants
::
Adebye
)
/
(
1
+
constants
::
Bdebye
)));
REQUIRE
(
laws
::
debye_huckel
(
1.0
,
2.0
,
1.0
)
==
Approx
(
-
(
constants
::
Adebye
*
4
)
/
(
1
+
constants
::
Bdebye
)));
REQUIRE
(
laws
::
debye_huckel
(
0.1
,
1.0
,
1.0
)
==
Approx
(
-
(
constants
::
Adebye
*
0.1
)
/
(
1
+
constants
::
Bdebye
*
0.1
)));
REQUIRE
(
laws
::
debye_huckel
(
0.1
,
2.0
,
1.0
)
==
Approx
(
-
(
constants
::
Adebye
*
0.1
*
4
)
/
(
1
+
constants
::
Bdebye
*
0.1
)));
REQUIRE
(
laws
::
debye_huckel
(
1.0
,
1.0
,
2.0
)
==
Approx
(
-
(
constants
::
Adebye
)
/
(
1
+
constants
::
Bdebye
*
1.0
*
2.0
)));
REQUIRE
(
laws
::
debye_huckel
(
0.1
,
2.0
,
3.0
)
==
Approx
(
-
(
constants
::
Adebye
*
0.1
*
4
)
/
(
1
+
constants
::
Bdebye
*
0.1
*
3.0
)));
}
SECTION
(
"Extended Debye-Huckel"
)
{
REQUIRE
(
laws
::
extended_debye_huckel
(
1.0
,
1.0
,
1.0
,
1.0
,
1.0
)
==
Approx
(
-
(
constants
::
Adebye
)
/
(
1.0
+
constants
::
Bdebye
)
+
1.0
*
1.0
));
REQUIRE
(
laws
::
extended_debye_huckel
(
1.0
,
1.0
,
2.0
,
1.0
,
1.0
)
==
Approx
(
-
(
constants
::
Adebye
*
4.0
)
/
(
1.0
+
constants
::
Bdebye
)
+
1.0
*
1.0
));
REQUIRE
(
laws
::
extended_debye_huckel
(
1.0
,
1.0
,
1.0
,
1.0
,
2.0
)
==
Approx
(
-
(
constants
::
Adebye
*
1.0
)
/
(
1.0
+
constants
::
Bdebye
)
+
1.0
*
2.0
));
REQUIRE
(
laws
::
extended_debye_huckel
(
0.1
,
0.01
,
1.0
,
1.0
,
2.0
)
==
Approx
(
-
(
constants
::
Adebye
*
1.0
*
0.01
)
/
(
1.0
+
constants
::
Bdebye
*
0.01
)
+
2.0
*
0.1
));
REQUIRE
(
laws
::
extended_debye_huckel
(
0.01
,
0.1
,
-
2.0
,
3.0
,
2.0
)
==
Approx
(
-
(
4
*
constants
::
Adebye
*
1.0
*
0.1
)
/
(
1.0
+
constants
::
Bdebye
*
0.1
*
3.0
)
+
2.0
*
0.01
));
REQUIRE
(
laws
::
extended_debye_huckel
(
0.01
,
-
2.0
,
3.0
,
2.0
)
==
Approx
(
-
(
4
*
constants
::
Adebye
*
1.0
*
0.1
)
/
(
1.0
+
constants
::
Bdebye
*
0.1
*
3.0
)
+
2.0
*
0.01
));
}
}
TEST_CASE
(
"Unsaturated laws"
,
"[laws],[unsaturated],[physics]"
)
{
SECTION
(
"make_saturation_model"
)
{
auto
identity
=
[](
scalar_t
saturation
)
->
scalar_t
{
return
saturation
;};
auto
model
=
laws
::
make_saturation_model
(
identity
);
CHECK
(
model
(
1.0
)
==
1.0
);
CHECK
(
model
(
0.5
)
==
0.5
);
auto
mult
=
[](
scalar_t
sat
,
scalar_t
mult
)
->
scalar_t
{
return
mult
*
sat
;
};
auto
model2
=
laws
::
make_saturation_model
(
mult
,
2.0
);
CHECK
(
model2
(
1.0
)
==
Approx
(
2.0
));
CHECK
(
model2
(
0.5
)
==
Approx
(
1.0
));
}
SECTION
(
"Baroghel Bouny model"
)
{
auto
cap
=
laws
::
make_saturation_model
(
&
laws
::
capillary_pressure_BaroghelBouny
,
1.0e8
,
2.0
);
CHECK
(
cap
(
1.0
)
==
0.0
);
CHECK
(
cap
(
0.5
)
==
Approx
(
1.732050808e8
));
auto
rh
=
laws
::
make_rh_model
(
cap
);
CHECK
(
rh
(
1.0
)
==
1.0
);
CHECK
(
rh
(
0.0
)
==
0.0
);
CHECK
(
rh
(
0.5
)
==
Approx
(
0.2832770066
).
epsilon
(
1e-3
));
cap
=
laws
::
make_saturation_model
(
&
laws
::
capillary_pressure_BaroghelBouny
,
2.0
,
2.0
);
CHECK
(
cap
(
0.5
)
==
Approx
(
2.0
*
1.732050808
));
}
SECTION
(
"Mualem model"
)
{
auto
krl
=
laws
::
make_saturation_model
(
&
laws
::
relative_liquid_permeability_Mualem
,
2.0
);
CHECK
(
krl
(
1.0
)
==
Approx
(
1.0
));
CHECK
(
krl
(
0.0
)
==
Approx
(
0.0
));
CHECK
(
krl
(
0.5
)
==
Approx
(
0.5909902577
));
auto
krg
=
laws
::
make_saturation_model
(
&
laws
::
relative_gas_permeability_Mualem
,
2.0
);
CHECK
(
krg
(
1.0
)
==
Approx
(
0.0
));
CHECK
(
krg
(
0.0
)
==
Approx
(
1.0
));
CHECK
(
krg
(
0.5
)
==
Approx
(
0.005203820043
));
}
}
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