-
Notifications
You must be signed in to change notification settings - Fork 12
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Showing
1 changed file
with
105 additions
and
3 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,12 +1,114 @@ | ||
| import unittest | ||
| import warnings | ||
| import copy | ||
|
|
||
| from bpx import parse_bpx_file | ||
| from bpx import BPX, parse_bpx_file, parse_bpx_obj, parse_bpx_str | ||
|
|
||
|
|
||
| class TestParsers(unittest.TestCase): | ||
| def test_negative_v_tol(self): | ||
| def setUp(self): | ||
| self.base = """ | ||
| { | ||
| "Header": { | ||
| "BPX": 0.1, | ||
| "Title": "Parameterisation example of an NMC111|graphite 12.5 Ah pouch cell", | ||
| "Model": "DFN" | ||
| }, | ||
| "Parameterisation": { | ||
| "Cell": { | ||
| "Ambient temperature [K]": 298.15, | ||
| "Initial temperature [K]": 298.15, | ||
| "Reference temperature [K]": 298.15, | ||
| "Lower voltage cut-off [V]": 2.7, | ||
| "Upper voltage cut-off [V]": 4.2, | ||
| "Nominal cell capacity [A.h]": 12.5, | ||
| "Specific heat capacity [J.K-1.kg-1]": 913, | ||
| "Thermal conductivity [W.m-1.K-1]": 2.04, | ||
| "Density [kg.m-3]": 1847, | ||
| "Electrode area [m2]": 0.016808, | ||
| "Number of electrode pairs connected in parallel to make a cell": 34, | ||
| "External surface area [m2]": 0.0379, | ||
| "Volume [m3]": 0.000128 | ||
| }, | ||
| "Electrolyte": { | ||
| "Initial concentration [mol.m-3]": 1000, | ||
| "Cation transference number": 0.2594, | ||
| "Conductivity [S.m-1]": "0.1297 * (x / 1000) ** 3 - 2.51 * (x / 1000) ** 1.5 + 3.329 * (x / 1000)", | ||
| "Diffusivity [m2.s-1]": "8.794e-11 * (x / 1000) ** 2 - 3.972e-10 * (x / 1000) + 4.862e-10", | ||
| "Conductivity activation energy [J.mol-1]": 17100, | ||
| "Diffusivity activation energy [J.mol-1]": 17100 | ||
| }, | ||
| "Negative electrode": { | ||
| "Particle radius [m]": 4.12e-06, | ||
| "Thickness [m]": 5.62e-05, | ||
| "Diffusivity [m2.s-1]": 2.728e-14, | ||
| "OCP [V]": "9.47057878e-01 * exp(-1.59418743e+02 * x) - 3.50928033e+04 + 1.64230269e-01 * tanh(-4.55509094e+01 * (x - 3.24116012e-02 )) + 3.69968491e-02 * tanh(-1.96718868e+01 * (x - 1.68334476e-01)) + 1.91517003e+04 * tanh(3.19648312e+00 * (x - 1.85139824e+00)) + 5.42448511e+04 * tanh(-3.19009848e+00 * (x - 2.01660395e+00))", | ||
| "Entropic change coefficient [V.K-1]": "(-0.1112 * x + 0.02914 + 0.3561 * exp(-((x - 0.08309) ** 2) / 0.004616)) / 1000", | ||
| "Conductivity [S.m-1]": 0.222, | ||
| "Surface area per unit volume [m-1]": 499522, | ||
| "Porosity": 0.253991, | ||
| "Transport efficiency": 0.128, | ||
| "Reaction rate constant [mol.m-2.s-1]": 5.199e-06, | ||
| "Minimum stoichiometry": 0.005504, | ||
| "Maximum stoichiometry": 0.75668, | ||
| "Maximum concentration [mol.m-3]": 29730, | ||
| "Diffusivity activation energy [J.mol-1]": 30000, | ||
| "Reaction rate constant activation energy [J.mol-1]": 55000 | ||
| }, | ||
| "Positive electrode": { | ||
| "Particle radius [m]": 4.6e-06, | ||
| "Thickness [m]": 5.23e-05, | ||
| "Diffusivity [m2.s-1]": 3.2e-14, | ||
| "OCP [V]": "-3.04420906 * x + 10.04892207 - 0.65637536 * tanh(-4.02134095 * (x - 0.80063948)) + 4.24678547 * tanh(12.17805062 * (x - 7.57659337)) - 0.3757068 * tanh(59.33067782 * (x - 0.99784492))", | ||
| "Entropic change coefficient [V.K-1]": -1e-4, | ||
| "Conductivity [S.m-1]": 0.789, | ||
| "Surface area per unit volume [m-1]": 432072, | ||
| "Porosity": 0.277493, | ||
| "Transport efficiency": 0.1462, | ||
| "Reaction rate constant [mol.m-2.s-1]": 2.305e-05, | ||
| "Minimum stoichiometry": 0.42424, | ||
| "Maximum stoichiometry": 0.96210, | ||
| "Maximum concentration [mol.m-3]": 46200, | ||
| "Diffusivity activation energy [J.mol-1]": 15000, | ||
| "Reaction rate constant activation energy [J.mol-1]": 35000 | ||
| }, | ||
| "Separator": { | ||
| "Thickness [m]": 2e-05, | ||
| "Porosity": 0.47, | ||
| "Transport efficiency": 0.3222 | ||
| } | ||
| } | ||
| } | ||
| """ | ||
|
|
||
| def test_negative_v_tol_file(self): | ||
| with self.assertRaisesRegex( | ||
| ValueError, | ||
| "v_tol should not be negative", | ||
| ): | ||
| parse_bpx_file("filename", -0.001) | ||
| parse_bpx_file("filename", v_tol=-0.001) | ||
|
|
||
| def test_negative_v_tol_object(self): | ||
| bpx_obj = {"BPX": 1.0} | ||
| with self.assertRaisesRegex( | ||
| ValueError, | ||
| "v_tol should not be negative", | ||
| ): | ||
| parse_bpx_obj(bpx_obj, v_tol=-0.001) | ||
|
|
||
| def test_negative_v_tol_string(self): | ||
| with self.assertRaisesRegex( | ||
| ValueError, | ||
| "v_tol should not be negative", | ||
| ): | ||
| parse_bpx_str("String", v_tol=-0.001) | ||
|
|
||
| def test_parse_string(self): | ||
| test = copy.copy(self.base) | ||
| with self.assertWarns(UserWarning): | ||
| parse_bpx_str(test) | ||
|
|
||
| def test_parse_string_tolerance(self): | ||
| warnings.filterwarnings("error") # Treat warnings as errors | ||
| test = copy.copy(self.base) | ||
| parse_bpx_str(test, v_tol=0.002) |