Emily Boudreaux
0f3ca8050b
currently the barotope and the pressure force operator are migrated to the new support system
77 lines
2.5 KiB
C++
77 lines
2.5 KiB
C++
#include <cmath>
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#include <limits>
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#include <stdexcept>
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#include <catch2/catch_test_macros.hpp>
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import mean_field;
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import test_helpers;
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TEST_CASE(
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"Isobaric Surface Resolves Zero Pressure To Zero Enthalpy",
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tags::barotrope &tags::unit &tags::surface
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) {
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const mean_field::eos::Polytrope equationOfState(3.0, 0.25);
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const mean_field::surface::Isobaric surface;
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const mean_field::surface::ResolvedSurfaceCondition resolved = surface.resolve(equationOfState);
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CHECK(surface.targetPressure() == 0.0);
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CHECK(resolved.targetEnthalpy == 0.0);
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CHECK(resolved.residual(0.0) == 0.0);
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CHECK(resolved.residual(0.37) == 0.37);
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CHECK(resolved.jacobianAction(-0.19) == -0.19);
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}
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TEST_CASE(
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"Isobaric Surface Resolves Positive Pressure Through The EOS",
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tags::barotrope &tags::unit &tags::surface
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) {
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const mean_field::eos::Polytrope equationOfState(3.0, 0.25);
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constexpr double targetPressure = 0.03125;
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const mean_field::surface::Isobaric surface(targetPressure);
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const mean_field::surface::ResolvedSurfaceCondition resolved = surface.resolve(equationOfState);
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const double recoveredPressure = equationOfState.pressure_from_enthalpy(resolved.targetEnthalpy);
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INFO("Resolved surface enthalpy = " << resolved.targetEnthalpy);
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INFO("Recovered surface pressure = " << recoveredPressure);
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CHECK(resolved.targetEnthalpy > 0.0);
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CHECK(std::abs(recoveredPressure - targetPressure) < 64.0 * std::numeric_limits<double>::epsilon());
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CHECK(resolved.residual(resolved.targetEnthalpy) == 0.0);
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}
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TEST_CASE(
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"Isobaric Surface Rejects Invalid Pressure Targets",
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tags::barotrope &tags::unit &tags::surface
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) {
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CHECK_THROWS_AS(mean_field::surface::Isobaric(-1.0), std::invalid_argument);
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CHECK_THROWS_AS(mean_field::surface::Isobaric(std::numeric_limits<double>::infinity()), std::invalid_argument);
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CHECK_THROWS_AS(mean_field::surface::Isobaric(std::numeric_limits<double>::quiet_NaN()), std::invalid_argument);
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}
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TEST_CASE(
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"Surface Base Dispatch Preserves The Isobaric Prescription",
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tags::barotrope &tags::unit &tags::surface
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) {
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const mean_field::eos::Polytrope equationOfState(3.0, 0.25);
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const mean_field::surface::Isobaric isobaric(0.02);
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const mean_field::surface::SurfaceBase &surface = isobaric;
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surface.validate(equationOfState);
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const mean_field::surface::ResolvedSurfaceCondition resolved = surface.resolve(equationOfState);
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CHECK(resolved.targetEnthalpy > 0.0);
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CHECK(resolved.residual(resolved.targetEnthalpy) == 0.0);
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}
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