NodeComputePressureGrad.hpp

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// -------------------------------------------------------//
//
// SHAMROCK code for hydrodynamics
// Copyright (c) 2021-2026 Timothée David--Cléris <tim.shamrock@proton.me>
// SPDX-License-Identifier: CeCILL Free Software License Agreement v2.1
// Shamrock is licensed under the CeCILL 2.1 License, see LICENSE for more information
//
// -------------------------------------------------------//
 
#pragma once

 
#include "shambackends/vec.hpp"
#include "shammodels/sph/solvergraph/NeighCache.hpp"
#include "shamrock/solvergraph/IFieldSpan.hpp"
#include "shamrock/solvergraph/INode.hpp"
#include "shamrock/solvergraph/Indexes.hpp"
#include "shamrock/solvergraph/ScalarEdge.hpp"
 
#define NODE_EDGES(X_RO, X_RW)                                                                     \
    /* scalars */                                                                                  \
    X_RO(shamrock::solvergraph::ScalarEdge<Tscal>, gpart_mass)                                     \
                                                                                                   \
    /* counts */                                                                                   \
    X_RO(shamrock::solvergraph::Indexes<u32>, part_counts)                                         \
    X_RO(shamrock::solvergraph::Indexes<u32>, part_counts_with_ghost)                              \
                                                                                                   \
    /* fields */                                                                                   \
    X_RO(shamrock::solvergraph::IFieldSpan<Tvec>, xyz)                                             \
    X_RO(shamrock::solvergraph::IFieldSpan<Tscal>, hpart)                                          \
    X_RO(shamrock::solvergraph::IFieldSpan<Tscal>, omega)                                          \
    X_RO(shamrock::solvergraph::IFieldSpan<Tscal>, pressure)                                       \
                                                                                                   \
    /* neigh */                                                                                    \
    X_RO(shammodels::sph::solvergraph::NeighCache, neigh_cache)                                    \
                                                                                                   \
    /* outputs */                                                                                  \
    X_RW(shamrock::solvergraph::IFieldSpan<Tvec>, grad_P_on_rho)
 
namespace shammodels::sph::modules {
 
    template<class Tvec, template<class> class SPHKernel>
    class NodeComputePressureGrad : public shamrock::solvergraph::INode {
 
        using Tscal = shambase::VecComponent<Tvec>;
 
        static constexpr Tscal kernel_radius = SPHKernel<Tscal>::Rkern;
 
        public:
        NodeComputePressureGrad() {}
 
        EXPAND_NODE_EDGES(NODE_EDGES)
 
        void _impl_evaluate_internal();
 
        inline virtual std::string _impl_get_label() const { return "ComputePressureGrad"; };
 
        inline virtual std::string _impl_get_tex() const { return "TODO"; };
    };
} // namespace shammodels::sph::modules
 
#undef NODE_EDGES