optimization_parameters.json

{
    "optimization_settings": {
        "model_settings": {
            "domain_size": 3,
            "model_part_name": "plate",
            "model_import_settings": {
                "input_type": "mdpa",
                "input_filename": "plate"
            },
            "design_surface_sub_model_part_name": "design_surface",
            "damping": {
                "apply_damping": false,
                "damping_regions": [
                    {
                        "sub_model_part_name": "constraint_points",
                        "damp_X": true,
                        "damp_Y": true,
                        "damp_Z": true,
                        "damping_function_type": "cosine",
                        "damping_radius": 0.15
                    }
                ]
            },
            "mesh_motion": {
                "apply_mesh_solver": false
            }
        },
        "objectives": [
            {
                "identifier": "strain_energy",
                "type": "minimization",
                "analyzer": "kratos",
                "response_settings": {
                    "response_type": "strain_energy",
                    "primal_settings": "analysis_parameters.json",
                    "gradient_mode": "semi_analytic",
                    "step_size": 1e-7
                },
                "project_gradient_on_surface_normals": false
            }
        ],
        "constraints": [],
        "design_variables": {
            "type": "vertex_morphing",
            "filter": {
                "filter_function_type": "linear",
                "filter_radius": 0.075
            }
        },
        "optimization_algorithm": {
            "name": "bead_optimization",
            "bead_height": 0.025,
            "bead_direction": [],
            "bead_side": "both",
            "filter_penalty_term": false,
            "estimated_lagrange_multiplier": 7e-4,
            "max_total_iterations": 300,
            "max_inner_iterations": 30,
            "min_inner_iterations": 3,
            "inner_iteration_tolerance": 1e-3,
            "line_search": {
                "step_size": 0.15
            }
        },
        "output": {
            "design_output_mode": "WriteDesignSurface",
            "nodal_results": [
                "NORMALIZED_SURFACE_NORMAL",
                "DF1DX",
                "DF1DALPHA",
                "DF1DALPHA_MAPPED",
                "DPDALPHA",
                "DLDALPHA",
                "ALPHA",
                "ALPHA_MAPPED",
                "CONTROL_POINT_CHANGE",
                "SHAPE_UPDATE",
                "SHAPE_CHANGE"
            ],
            "output_format": {
                "name": "vtk"
            }
        }
    }
}