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feat(surface): surface deformation prescriptions

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restricted the unknown state vector to surface deformation and implemented one prescription, NodalRadialSurface, while the full volumetric displacment field is reconstructed analytically from that. This reduced the number of degrees of freedom in the system by a factor of 80 while also removing many null vectors from the system.
This commit is contained in:
Emily Boudreaux
2026-09-01 11:50:13 -04:00
parent 0a7f18c5c7
commit 85500fef3b
40 changed files with 8924 additions and 1164 deletions
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37
tests/utils/blocks.cpp
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@@ -526,6 +526,41 @@ TEST_CASE(
CHECK(true);
}
TEST_CASE(
"Reduced Stellar Equilibrium Form Encodes Surface Shape Coordinates And Couplings",
tags::reduced_stellar_geometry &tags::unit &tags::utils
) {
using form = blocks::surface_deformed_stellar_equilibrium_form;
using jacobian = blocks::surface_deformed_stellar_equilibrium_jacobian_form;
constexpr auto surface_parameters =
blocks::get_value_block<form>(blocks::surface_deformation_field.parameters_term);
constexpr auto surface_shape =
blocks::get_residual_block<form>(blocks::surface_deformation_field.shape_equilibrium_term);
STATIC_REQUIRE(form::value_block_count == 6);
STATIC_REQUIRE(form::residual_block_count == 6);
STATIC_REQUIRE(static_cast<int>(surface_parameters) == 1);
STATIC_REQUIRE(static_cast<int>(surface_shape) == 3);
STATIC_REQUIRE((blocks::valid_jacobian_form<form, jacobian>));
STATIC_REQUIRE(
blocks::has_jacobian_coupling_v<
blocks::gravity::gradient::residual, blocks::surface_deformation::parameters::value, jacobian>
);
STATIC_REQUIRE(
blocks::has_jacobian_coupling_v<
blocks::surface_deformation::shape_equilibrium::residual, blocks::surface_deformation::parameters::value,
jacobian>
);
STATIC_REQUIRE_FALSE(blocks::contains_type_v<blocks::displacement::geometry::value, typename form::value_blocks>);
STATIC_REQUIRE_FALSE(
blocks::contains_type_v<blocks::displacement::geometry::residual, typename form::residual_blocks>
);
CHECK(true);
}
TEST_CASE(
"Block Validators Reject Structurally Malformed Forms",
tags::unit &tags::solver &tags::utils
@@ -623,4 +658,4 @@ TEST_CASE(
const std::array<int, form::value_block_count> invalid_value_sizes{11, 13, 17, 19, 23, 2};
CHECK_THROWS(blocks::form_layout<form>(invalid_value_sizes, residual_sizes));
}
}