[MeshingApplication] MMG: expose missing library parameters and add MmgModeler

applications/MeshingApplication/CMakeLists.txt

@@ -40,6 +40,7 @@ if(${INCLUDE_MMG} MATCHES ON)
         ${CMAKE_CURRENT_SOURCE_DIR}/custom_utilities/mmg/*.cpp
         ${CMAKE_CURRENT_SOURCE_DIR}/custom_processes/mmg/*.cpp
         ${CMAKE_CURRENT_SOURCE_DIR}/custom_io/mmg/*.cpp
+        ${CMAKE_CURRENT_SOURCE_DIR}/custom_modelers/mmg/*.cpp
     )
 
     IF (MMG_ROOT)

applications/MeshingApplication/custom_modelers/mmg/mmg_modeler.cpp

@@ -0,0 +1,115 @@
+// KRATOS  __  __ _____ ____  _   _ ___ _   _  ____
+//        |  \/  | ____/ ___|| | | |_ _| \ | |/ ___|
+//        | |\/| |  _| \___ \| |_| || ||  \| | |  _
+//        | |  | | |___ ___) |  _  || || |\  | |_| |
+//        |_|  |_|_____|____/|_| |_|___|_| \_|\____| APPLICATION
+//
+//  License:         BSD License
+//                   license: MeshingApplication/license.txt
+//
+//  Main authors:    Vicente Mataix Ferrandiz
+//
+
+// System includes
+
+// External includes
+
+// Project includes
+#include "custom_modelers/mmg/mmg_modeler.h"
+#include "custom_processes/mmg/mmg_process.h"
+
+// NOTE: The following contains the license of the MMG library
+/* =============================================================================
+**  Copyright (c) Bx INP/Inria/UBordeaux/UPMC, 2004- .
+**
+**  mmg is free software: you can redistribute it and/or modify it
+**  under the terms of the GNU Lesser General Public License as published
+**  by the Free Software Foundation, either version 3 of the License, or
+**  (at your option) any later version.
+**
+**  mmg is distributed in the hope that it will be useful, but WITHOUT
+**  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+**  FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+**  License for more details.
+**
+**  You should have received a copy of the GNU Lesser General Public
+**  License and of the GNU General Public License along with mmg (in
+**  files COPYING.LESSER and COPYING). If not, see
+**  <http://www.gnu.org/licenses/>. Please read their terms carefully and
+**  use this copy of the mmg distribution only if you accept them.
+** =============================================================================
+*/
+
+namespace Kratos
+{
+
+template<MMGLibrary TMMGLibrary>
+MmgModeler<TMMGLibrary>::MmgModeler(
+    Model& rModel,
+    Parameters ModelerParameters
+    ) : Modeler(rModel, ModelerParameters)
+      , mpModel(&rModel)
+{
+    KRATOS_ERROR_IF_NOT(mParameters.Has("model_part_name"))
+        << "MmgModeler requires \"model_part_name\" in the parameters." << std::endl;
+}
+
+/***********************************************************************************/
+/***********************************************************************************/
+
+template<MMGLibrary TMMGLibrary>
+Modeler::Pointer MmgModeler<TMMGLibrary>::Create(
+    Model& rModel,
+    const Parameters ModelParameters
+    ) const
+{
+    return Kratos::make_shared<MmgModeler<TMMGLibrary>>(rModel, ModelParameters);
+}
+
+/***********************************************************************************/
+/***********************************************************************************/
+
+template<MMGLibrary TMMGLibrary>
+void MmgModeler<TMMGLibrary>::SetupModelPart()
+{
+    KRATOS_TRY;
+
+    const std::string model_part_name = mParameters["model_part_name"].GetString();
+    KRATOS_ERROR_IF_NOT(mpModel->HasModelPart(model_part_name))
+        << "MmgModeler: ModelPart \"" << model_part_name << "\" not found in the model." << std::endl;
+
+    ModelPart& r_model_part = mpModel->GetModelPart(model_part_name);
+
+    // Build the process parameters by forwarding all keys except model_part_name
+    Parameters process_parameters(mParameters);
+    if (process_parameters.Has("model_part_name"))
+        process_parameters.RemoveValue("model_part_name");
+
+    MmgProcess<TMMGLibrary> mmg_process(r_model_part, process_parameters);
+    mmg_process.Execute();
+
+    KRATOS_CATCH("");
+}
+
+/***********************************************************************************/
+/***********************************************************************************/
+
+template<MMGLibrary TMMGLibrary>
+const Parameters MmgModeler<TMMGLibrary>::GetDefaultParameters() const
+{
+    // Minimal defaults — all MmgProcess parameters keep their own defaults
+    // and are validated when the process is constructed in SetupModelPart.
+    const Parameters default_parameters = Parameters(R"({
+        "model_part_name" : ""
+    })");
+    return default_parameters;
+}
+
+/***********************************************************************************/
+/***********************************************************************************/
+
+template class MmgModeler<MMGLibrary::MMG2D>;
+template class MmgModeler<MMGLibrary::MMG3D>;
+template class MmgModeler<MMGLibrary::MMGS>;
+
+} // namespace Kratos

applications/MeshingApplication/custom_modelers/mmg/mmg_modeler.h

@@ -0,0 +1,135 @@
+// KRATOS  __  __ _____ ____  _   _ ___ _   _  ____
+//        |  \/  | ____/ ___|| | | |_ _| \ | |/ ___|
+//        | |\/| |  _| \___ \| |_| || ||  \| | |  _
+//        | |  | | |___ ___) |  _  || || |\  | |_| |
+//        |_|  |_|_____|____/|_| |_|___|_| \_|\____| APPLICATION
+//
+//  License:         BSD License
+//                   license: MeshingApplication/license.txt
+//
+//  Main authors:    Vicente Mataix Ferrandiz
+//
+
+#pragma once
+
+// System includes
+
+// External includes
+
+// Project includes
+#include "modeler/modeler.h"
+#include "includes/model_part.h"
+#include "includes/kratos_parameters.h"
+#include "meshing_application.h"
+
+// NOTE: The following contains the license of the MMG library
+/* =============================================================================
+**  Copyright (c) Bx INP/Inria/UBordeaux/UPMC, 2004- .
+**
+**  mmg is free software: you can redistribute it and/or modify it
+**  under the terms of the GNU Lesser General Public License as published
+**  by the Free Software Foundation, either version 3 of the License, or
+**  (at your option) any later version.
+**
+**  mmg is distributed in the hope that it will be useful, but WITHOUT
+**  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+**  FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+**  License for more details.
+**
+**  You should have received a copy of the GNU Lesser General Public
+**  License and of the GNU General Public License along with mmg (in
+**  files COPYING.LESSER and COPYING). If not, see
+**  <http://www.gnu.org/licenses/>. Please read their terms carefully and
+**  use this copy of the mmg distribution only if you accept them.
+** =============================================================================
+*/
+
+namespace Kratos
+{
+
+/**
+ * @class MmgModeler
+ * @ingroup MeshingApplication
+ * @brief Modeler that wraps MmgProcess for use in the Kratos modeler pipeline.
+ * @details This modeler delegates remeshing to MmgProcess and is invoked during
+ * the SetupModelPart stage of the modeler pipeline. It is templated on the MMG
+ * library variant (MMG2D, MMG3D, or MMGS).
+ * @author Vicente Mataix Ferrandiz
+ */
+template<MMGLibrary TMMGLibrary>
+class KRATOS_API(MESHING_APPLICATION) MmgModeler
+    : public Modeler
+{
+public:
+    ///@name Type Definitions
+    ///@{
+
+    KRATOS_CLASS_POINTER_DEFINITION(MmgModeler);
+
+    ///@}
+    ///@name Life Cycle
+    ///@{
+
+    /**
+     * @brief Default constructor (used for registry prototype only).
+     */
+    MmgModeler() = default;
+
+    /**
+     * @brief Constructor with model and parameters.
+     * @param rModel The model owning the model part to remesh.
+     * @param ModelerParameters Configuration parameters (must include "model_part_name").
+     */
+    MmgModeler(
+        Model& rModel,
+        Parameters ModelerParameters = Parameters()
+        );
+
+    ~MmgModeler() override = default;
+
+    /**
+     * @brief Factory method for the Modeler registry.
+     */
+    Modeler::Pointer Create(
+        Model& rModel,
+        const Parameters ModelParameters
+        ) const override;
+
+    ///@}
+    ///@name Modeler Stages
+    ///@{
+
+    /**
+     * @brief Runs MMG remeshing on the configured ModelPart.
+     */
+    void SetupModelPart() override;
+
+    /**
+     * @brief Returns the default parameters.
+     */
+    const Parameters GetDefaultParameters() const override;
+
+    ///@}
+    ///@name Input and output
+    ///@{
+
+    std::string Info() const override { return "MmgModeler"; }
+
+    void PrintInfo(std::ostream& rOStream) const override
+    {
+        rOStream << Info();
+    }
+
+    ///@}
+
+private:
+    ///@name Member Variables
+    ///@{
+
+    Model* mpModel = nullptr;
+
+    ///@}
+
+}; // class MmgModeler
+
+} // namespace Kratos

applications/MeshingApplication/custom_processes/mmg/mmg_process.cpp

@@ -1460,7 +1460,12 @@ const Parameters MmgProcess<TMMGLibrary>::GetDefaultParameters() const
             "invert_value"                     : false,
             "nonhistorical_variable"           : false,
             "use_metric_field"                 : false,
-            "remove_internal_regions"          : false
+            "remove_internal_regions"          : false,
+            "force_level_set_value"            : false,
+            "level_set_value"                  : 0.0,
+            "force_rmc"                        : false,
+            "rmc_value"                        : 0.0,
+            "isoref"                           : 0
         },
         "framework"                            : "Eulerian",
         "internal_variables_parameters"        : {
@@ -1474,7 +1479,9 @@ const Parameters MmgProcess<TMMGLibrary>::GetDefaultParameters() const
             "force_min"                           : false,
             "minimal_size"                        : 0.1,
             "force_max"                           : false,
-            "maximal_size"                        : 10.0
+            "maximal_size"                        : 10.0,
+            "force_hsiz"                          : false,
+            "constant_size"                       : 0.1
         },
         "advanced_parameters"                     : {
             "force_hausdorff_value"               : false,
@@ -1484,12 +1491,26 @@ const Parameters MmgProcess<TMMGLibrary>::GetDefaultParameters() const
             "no_insert_mesh"                      : false,
             "no_swap_mesh"                        : false,
             "normal_regularization_mesh"          : false,
+            "boundary_regularization"             : false,
+            "force_boundary_regularization_relaxation" : false,
+            "boundary_regularization_relaxation_value" : 0.5,
             "deactivate_detect_angle"             : false,
             "force_angle_detection_value"         : false,
             "angle_detection_value"               : 45.0,
             "force_gradation_value"               : false,
-            "mesh_optimization_only"              : false,
             "gradation_value"                     : 1.3,
+            "force_hgradreq"                      : false,
+            "gradation_required_value"            : 1.3,
+            "mesh_optimization_only"              : false,
+            "les_optimization"                    : false,
+            "anisotropic_metric_creation"         : false,
+            "no_fem"                              : false,
+            "preserve_subdomain_boundaries"       : false,
+            "avoid_size_at_required"              : false,
+            "octree_max_vertices"                 : 0,
+            "save_subdomain"                      : 0,
+            "force_memory_size"                   : false,
+            "memory_size_mb"                      : -1,
             "local_entity_parameters_list"        : []
         },
         "collapse_prisms_elements"             : false,

applications/MeshingApplication/custom_python/add_custom_modelers_to_python.cpp

@@ -0,0 +1,58 @@
+// KRATOS  __  __ _____ ____  _   _ ___ _   _  ____
+//        |  \/  | ____/ ___|| | | |_ _| \ | |/ ___|
+//        | |\/| |  _| \___ \| |_| || ||  \| | |  _
+//        | |  | | |___ ___) |  _  || || |\  | |_| |
+//        |_|  |_|_____|____/|_| |_|___|_| \_|\____| APPLICATION
+//
+//  License:         BSD License
+//                   license: MeshingApplication/license.txt
+//
+//  Main authors:    Vicente Mataix Ferrandiz
+//
+
+// System includes
+
+// External includes
+#include <pybind11/pybind11.h>
+
+// Project includes
+#include "includes/define.h"
+#include "modeler/modeler.h"
+#include "custom_python/add_custom_modelers_to_python.h"
+
+#ifdef INCLUDE_MMG
+#include "custom_modelers/mmg/mmg_modeler.h"
+#endif
+
+namespace Kratos::Python
+{
+
+namespace py = pybind11;
+
+void AddCustomModelersToPython(py::module& m)
+{
+#ifdef INCLUDE_MMG
+    py::class_<MmgModeler<MMGLibrary::MMG2D>,
+               MmgModeler<MMGLibrary::MMG2D>::Pointer,
+               Modeler>(m, "MmgModeler2D")
+        .def(py::init<Model&, Parameters>())
+        .def("SetupModelPart", &MmgModeler<MMGLibrary::MMG2D>::SetupModelPart)
+        ;
+
+    py::class_<MmgModeler<MMGLibrary::MMG3D>,
+               MmgModeler<MMGLibrary::MMG3D>::Pointer,
+               Modeler>(m, "MmgModeler3D")
+        .def(py::init<Model&, Parameters>())
+        .def("SetupModelPart", &MmgModeler<MMGLibrary::MMG3D>::SetupModelPart)
+        ;
+
+    py::class_<MmgModeler<MMGLibrary::MMGS>,
+               MmgModeler<MMGLibrary::MMGS>::Pointer,
+               Modeler>(m, "MmgModelerSurface")
+        .def(py::init<Model&, Parameters>())
+        .def("SetupModelPart", &MmgModeler<MMGLibrary::MMGS>::SetupModelPart)
+        ;
+#endif
+}
+
+} // namespace Kratos::Python

applications/MeshingApplication/custom_python/add_custom_modelers_to_python.h

@@ -0,0 +1,23 @@
+// KRATOS  __  __ _____ ____  _   _ ___ _   _  ____
+//        |  \/  | ____/ ___|| | | |_ _| \ | |/ ___|
+//        | |\/| |  _| \___ \| |_| || ||  \| | |  _
+//        | |  | | |___ ___) |  _  || || |\  | |_| |
+//        |_|  |_|_____|____/|_| |_|___|_| \_|\____| APPLICATION
+//
+//  License:         BSD License
+//                   license: MeshingApplication/license.txt
+//
+//  Main authors:    Vicente Mataix Ferrandiz
+//
+
+#pragma once
+
+// External includes
+#include <pybind11/pybind11.h>
+
+namespace Kratos::Python
+{
+
+void AddCustomModelersToPython(pybind11::module& m);
+
+} // namespace Kratos::Python