{ "revision": "R7 triangular isolated prototype", "construction_ready": false, "capacity_pass": null, "calculation_complete": true, "source_sha256": "17548b403651d43563da95d9cbac7fb185abf2c95b1969e2f2a00000eb4aa6f0", "inputs_sha256": { "build/r7_box_node/structure/contact_keys_v2/inputs/geometry_078032c56646da3c.json": "078032c56646da3c8a1c9dc77eea4dcd472c69fc7ef187632ad2f00cefec49c6", "build/r7_foot_revision/structure/qualification_cases.json": "3ae328dcf44361c6603a5aeba49fa819696a883c4bfa3f8b1e4030e33afa65b9", "build/r7_foot_revision/structure/inputs/candidate_foot_24173701444d21f3.json": "24173701444d21f3b176ab822e871429ebc74b9657da1d3c7f812f71dc834a32" }, "geometry_original_path": "build/r7_box_node/geometry/keys_v2/prototype.json", "geometry_source_sha256": "078032c56646da3c8a1c9dc77eea4dcd472c69fc7ef187632ad2f00cefec49c6", "input_changed_during_run": false, "source_changed_during_run": false, "frozen_geometry": "build/r7_box_node/structure/contact_keys_v2/inputs/geometry_078032c56646da3c.json", "materials": { "SP64_FSF_scenario": { "tension": 3.465, "compression": 5.197500000000001, "flat_bending": 4.95, "panel_shear": 4.455, "rolling_shear": 0.5940000000000001, "face_bearing": 2.9699999999999998, "basis": "SP64 table8 weakest listed in-plane direction; flatwise bending across face grain. Duration .66 and wet .75 are declared conservative scenario choices; lot/type applicability must be established.", "G_panel_MPa": 750.0, "G_planar_MPa": 189.0, "G_planar_basis": "Explicit comparison assumption189MPa; SP table does not certify this transverse modulus for selected lot" }, "Metsa24_structural_comparison": { "tension": 18.1, "compression": 12.55, "flat_bending": 17.2, "panel_shear": 4.75, "rolling_shear": 1.195, "face_bearing": 2.9699999999999998, "basis": "Metsa24 DoP characteristic minima, kmod=.65, gammaM=1.3 for connections. Face-bearing cap2.97MPa is a separate SP-derived assumption. NOT properties assigned to SVEZA or purchased stock.", "G_panel_MPa": 620.0, "G_planar_MPa": 189.0, "G_planar_basis": "Metsa24 weaker mean planar shear modulus" }, "SP64_oriented_scenario": { "tension": 3.465, "compression": 5.197500000000001, "flat_bending": 4.95, "panel_shear": 4.455, "rolling_shear": 0.5940000000000001, "face_bearing": 2.9699999999999998, "basis": "Same .66 duration and .75 wet factors as weakest SP scenario, but section direction follows the explicit face-grain assignment. Between tabulated compression directions the lower10.5*.495 cap is retained. Not a certification of24mm17ply material.", "directional": { "tension": [ 10.395, 6.6825 ], "compression": [ 8.91, 6.435 ], "flat_bending": [ 11.879999999999999, 4.95 ] }, "G_panel_MPa": 750.0, "G_planar_MPa": 189.0, "G_planar_basis": "Explicit comparison assumption189MPa; SP table does not certify this transverse modulus for selected lot" } }, "summary": [ { "material": "Metsa24_structural_comparison", "mode": "pin_hinge_Y", "load_basis": "normative_mean_wind_component_with_aerodynamic_analogy_not_complete_wind", "case_count": 2, "no_equilibrium_count": 0, "max_utilisation_lower_bound": 2.0182008991826117, "minimum_proportional_load_multiplier_upper_bound": 0.4954908108528781, "governing_case": "Q06", "governing": [ { "kind": "section_shear_torsion_proxy", "body": "TN_K0_LEG1_L1", "axis": 0, "position_mm": 12.02, "net_area_mm2": 574.2602648609015, "net_width_mm": 23.9275110358709, "torsion_panel_stress_per_Nmm": 0.000444751716756659, "torsion_planar_stress_per_Nmm": 0.0003021092716874792, "capacity": 1.0, "utilisation": 2.01820110200273 } ] }, { "material": "Metsa24_structural_comparison", "mode": "pin_hinge_Y", "load_basis": "research_envelope", "case_count": 2, "no_equilibrium_count": 0, "max_utilisation_lower_bound": 4.318045226627841, "minimum_proportional_load_multiplier_upper_bound": 0.23158627284247918, "governing_case": "Q08", "governing": [ { "kind": "section_shear_torsion_proxy", "body": "TN_K0_LEG-1_L1", "axis": 0, "position_mm": 12.02, "net_area_mm2": 574.2602648609015, "net_width_mm": 23.9275110358709, "torsion_panel_stress_per_Nmm": 0.000444751716756659, "torsion_planar_stress_per_Nmm": 0.0003021092716874792, "capacity": 1.0, "utilisation": 4.318045659432409 } ] }, { "material": "Metsa24_structural_comparison", "mode": "pin_hinge_Y", "load_basis": "self_weight", "case_count": 1, "no_equilibrium_count": 0, "max_utilisation_lower_bound": 0.08572629428054226, "minimum_proportional_load_multiplier_upper_bound": 11.665032396331812, "governing_case": "Q10", "governing": [ { "kind": "section_shear_torsion_proxy", "body": "TN_D0", "axis": 0, "position_mm": 105.74, "net_area_mm2": 1850.320290471175, "net_width_mm": 77.09667876963229, "torsion_panel_stress_per_Nmm": 0.00011385078186467401, "torsion_planar_stress_per_Nmm": 6.549972493593573e-05, "capacity": 1.0, "utilisation": 0.08572630385317187 } ] }, { "material": "Metsa24_structural_comparison", "mode": "pin_hinge_Y", "load_basis": "snow_coefficients_with_shape_assumptions", "case_count": 2, "no_equilibrium_count": 0, "max_utilisation_lower_bound": 0.8276524725186867, "minimum_proportional_load_multiplier_upper_bound": 1.208236588669675, "governing_case": "Q12", "governing": [ { "kind": "section_shear_torsion_proxy", "body": "TN_D0", "axis": 0, "position_mm": -101.51, "net_area_mm2": 2163.608047677305, "net_width_mm": 90.15033531988772, "torsion_panel_stress_per_Nmm": 9.91782764807224e-05, "torsion_planar_stress_per_Nmm": 5.09049690709608e-05, "capacity": 1.0, "utilisation": 0.8276525562839374 } ] }, { "material": "Metsa24_structural_comparison", "mode": "stage4_reference", "load_basis": "normative_mean_wind_component_with_aerodynamic_analogy_not_complete_wind", "case_count": 2, "no_equilibrium_count": 0, "max_utilisation_lower_bound": 2.8315734078008283, "minimum_proportional_load_multiplier_upper_bound": 0.3531605422077546, "governing_case": "Q00", "governing": [ { "kind": "section_shear_torsion_proxy", "body": "TN_D0", "axis": 0, "position_mm": -34.1861, "net_area_mm2": 2873.3802167237727, "net_width_mm": 119.72417569682386, "torsion_panel_stress_per_Nmm": 6.750044788517547e-05, "torsion_planar_stress_per_Nmm": 2.9084347659505698e-05, "capacity": 1.0, "utilisation": 2.831573691958174 } ] }, { "material": "Metsa24_structural_comparison", "mode": "stage4_reference", "load_basis": "research_envelope", "case_count": 2, "no_equilibrium_count": 0, "max_utilisation_lower_bound": 4.1232817097747905, "minimum_proportional_load_multiplier_upper_bound": 0.24252526758706938, "governing_case": "Q02", "governing": [ { "kind": "section_shear_torsion_proxy", "body": "TN_K0_CENTRE-1_L0", "axis": 0, "position_mm": -22.3, "net_area_mm2": 720.0, "net_width_mm": 30.0, "torsion_panel_stress_per_Nmm": 0.00031792769805805176, "torsion_planar_stress_per_Nmm": 0.00020203272071751932, "capacity": 1.0, "utilisation": 4.123282123102969 } ] }, { "material": "Metsa24_structural_comparison", "mode": "stage4_reference", "load_basis": "self_weight", "case_count": 1, "no_equilibrium_count": 0, "max_utilisation_lower_bound": 0.2501511177344123, "minimum_proportional_load_multiplier_upper_bound": 3.997583576906936, "governing_case": "Q04", "governing": [ { "kind": "section_shear_torsion_proxy", "body": "TN_K0_LEG-1_L0", "axis": 0, "position_mm": 12.02, "net_area_mm2": 574.2602648609015, "net_width_mm": 23.9275110358709, "torsion_panel_stress_per_Nmm": 0.000444751716756659, "torsion_planar_stress_per_Nmm": 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"minimum_proportional_load_multiplier_upper_bound": 0.28151431505024543, "governing_case": "Q06", "governing": [ { "kind": "section_shear_torsion_proxy", "body": "TN_D0", "axis": 1, "position_mm": 329.87, "net_area_mm2": 5803.772839420546, "net_width_mm": 241.82386830918944, "torsion_panel_stress_per_Nmm": 3.067546914882961e-05, "torsion_planar_stress_per_Nmm": 1.1948258570671974e-05, "capacity": 1.0, "utilisation": 3.552217584754224 } ] }, { "material": "SP64_FSF_scenario", "mode": "pin_hinge_Y", "load_basis": "research_envelope", "case_count": 2, "no_equilibrium_count": 0, "max_utilisation_lower_bound": 8.768257970718006, "minimum_proportional_load_multiplier_upper_bound": 0.11404773939584639, "governing_case": "Q08", "governing": [ { "kind": "section_shear_torsion_proxy", "body": "B_E137", "axis": 0, "position_mm": 842.82, "net_area_mm2": 4229.7593665342165, "net_width_mm": 176.23997360559235, "torsion_panel_stress_per_Nmm": 4.306991695761088e-05, "torsion_planar_stress_per_Nmm": 1.6560836556295618e-05, "capacity": 1.0, "utilisation": 8.768258848586267 } ] }, { "material": "SP64_FSF_scenario", "mode": "pin_hinge_Y", "load_basis": "self_weight", "case_count": 1, "no_equilibrium_count": 0, "max_utilisation_lower_bound": 0.16274411538974673, "minimum_proportional_load_multiplier_upper_bound": 6.144615414235754, "governing_case": "Q10", "governing": [ { "kind": "section_shear_torsion_proxy", "body": "TN_K1_LEG1_L0", "axis": 0, "position_mm": 12.02, "net_area_mm2": 574.2602648609015, "net_width_mm": 23.9275110358709, "torsion_panel_stress_per_Nmm": 0.00046896169738233894, "torsion_planar_stress_per_Nmm": 0.0002960475893470675, "capacity": 1.0, "utilisation": 0.1627441326642008 } ] }, { "material": "SP64_FSF_scenario", "mode": "pin_hinge_Y", "load_basis": "snow_coefficients_with_shape_assumptions", "case_count": 2, "no_equilibrium_count": 0, "max_utilisation_lower_bound": 1.4936061904658926, "minimum_proportional_load_multiplier_upper_bound": 0.669520524475113, "governing_case": "Q12", "governing": [ { "kind": "contact_pressure", "contact": "TN_K0_LEG-1_L2_ON_L1_0", "parts": [ "TN_K0_LEG-1_L2", "TN_K0_LEG-1_L1" ], "pressure_limit_MPa": 2.9699999642353894, "patch_area_mm2": 86.07891553873529, "capacity": 255.6543760714649, "utilisation": 1.4936063408266071 } ] }, { "material": "SP64_FSF_scenario", "mode": "stage4_reference", "load_basis": "normative_mean_wind_component_with_aerodynamic_analogy_not_complete_wind", "case_count": 2, "no_equilibrium_count": 0, "max_utilisation_lower_bound": 5.31553799599093, "minimum_proportional_load_multiplier_upper_bound": 0.1881277117676926, "governing_case": "Q00", "governing": [ { "kind": "section_shear_torsion_proxy", "body": "TN_K1_LEG-1_L1", "axis": 0, "position_mm": 1.7, "net_area_mm2": 720.0, "net_width_mm": 30.0, "torsion_panel_stress_per_Nmm": 0.0003319932396496068, "torsion_planar_stress_per_Nmm": 0.00019774426401952708, "capacity": 1.0, "utilisation": 5.315538528544866 } ] }, { "material": "SP64_FSF_scenario", "mode": "stage4_reference", "load_basis": "research_envelope", "case_count": 2, "no_equilibrium_count": 0, "max_utilisation_lower_bound": 7.80382959176048, "minimum_proportional_load_multiplier_upper_bound": 0.12814221379921345, "governing_case": "Q02", "governing": [ { "kind": "section_shear_torsion_proxy", "body": "TN_D0", "axis": 0, "position_mm": 13.8139, "net_area_mm2": 2896.211964281997, "net_width_mm": 120.67549851174988, "torsion_panel_stress_per_Nmm": 6.854295591917466e-05, "torsion_planar_stress_per_Nmm": 2.7284209826011663e-05, "capacity": 1.0, "utilisation": 7.803830373143742 } ] }, { "material": "SP64_FSF_scenario", "mode": "stage4_reference", "load_basis": "self_weight", "case_count": 1, "no_equilibrium_count": 0, "max_utilisation_lower_bound": 0.475522140429897, "minimum_proportional_load_multiplier_upper_bound": 2.102951503153875, "governing_case": "Q04", "governing": [ { "kind": "section_shear_torsion_proxy", "body": "TN_K0_LEG1_L2", "axis": 0, "position_mm": 12.02, "net_area_mm2": 574.2602648609015, "net_width_mm": 23.9275110358709, "torsion_panel_stress_per_Nmm": 0.00046896169738233894, "torsion_planar_stress_per_Nmm": 0.0002960475893470675, "capacity": 1.0, "utilisation": 0.4755221889821252 } ] }, { "material": "SP64_FSF_scenario", "mode": "stage4_reference", "load_basis": "snow_coefficients_with_shape_assumptions", "case_count": 1, "no_equilibrium_count": 0, "max_utilisation_lower_bound": 5.519173546907841, "minimum_proportional_load_multiplier_upper_bound": 0.18118654749681817, "governing_case": "Q05", "governing": [ { "kind": "section_shear_torsion_proxy", "body": "TN_D1", "axis": 1, "position_mm": 329.87, "net_area_mm2": 5803.772839420542, "net_width_mm": 241.82386830918927, "torsion_panel_stress_per_Nmm": 3.067546914882961e-05, "torsion_planar_stress_per_Nmm": 1.1948258570671974e-05, "capacity": 1.0, "utilisation": 5.519174099825238 } ] }, { "material": "SP64_oriented_scenario", "mode": "pin_hinge_Y", "load_basis": "normative_mean_wind_component_with_aerodynamic_analogy_not_complete_wind", "case_count": 2, "no_equilibrium_count": 0, "max_utilisation_lower_bound": 3.552217228532469, "minimum_proportional_load_multiplier_upper_bound": 0.28151431505024566, "governing_case": "Q06", "governing": [ { "kind": "section_shear_torsion_proxy", "body": "TN_D1", "axis": 0, "position_mm": 105.74, "net_area_mm2": 1850.3202904711702, "net_width_mm": 77.09667876963209, "torsion_panel_stress_per_Nmm": 0.00011784295802266263, "torsion_planar_stress_per_Nmm": 6.397087935772788e-05, "capacity": 1.0, "utilisation": 3.552217584754217 } ] }, { "material": "SP64_oriented_scenario", "mode": "pin_hinge_Y", "load_basis": "research_envelope", "case_count": 2, "no_equilibrium_count": 0, "max_utilisation_lower_bound": 8.768257970718281, "minimum_proportional_load_multiplier_upper_bound": 0.11404773939584281, "governing_case": "Q08", "governing": [ { "kind": "section_shear_torsion_proxy", "body": "TN_K1_CENTRE-1_L0", "axis": 0, 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"no_equilibrium_count": 0, "max_utilisation_lower_bound": 1.493606182732311, "minimum_proportional_load_multiplier_upper_bound": 0.6695205279417508, "governing_case": "Q12", "governing": [ { "kind": "section_shear_torsion_proxy", "body": "TN_K0_CENTRE-1_L0", "axis": 0, "position_mm": 1.7, "net_area_mm2": 720.0, "net_width_mm": 30.0, "torsion_panel_stress_per_Nmm": 0.0003319932396496068, "torsion_planar_stress_per_Nmm": 0.00019774426401952708, "capacity": 1.0, "utilisation": 1.4936063330929321 } ] }, { "material": "SP64_oriented_scenario", "mode": "stage4_reference", "load_basis": "normative_mean_wind_component_with_aerodynamic_analogy_not_complete_wind", "case_count": 2, "no_equilibrium_count": 0, "max_utilisation_lower_bound": 5.315537995991109, "minimum_proportional_load_multiplier_upper_bound": 0.18812771176768625, "governing_case": "Q00", "governing": [ { "kind": "section_shear_torsion_proxy", "body": "TN_K0_LEG1_L2", "axis": 0, "position_mm": 12.02, "net_area_mm2": 574.2602648609015, "net_width_mm": 23.9275110358709, "torsion_panel_stress_per_Nmm": 0.00046896169738233894, "torsion_planar_stress_per_Nmm": 0.0002960475893470675, "capacity": 1.0, "utilisation": 5.315538528544977 } ] }, { "material": "SP64_oriented_scenario", "mode": "stage4_reference", "load_basis": "research_envelope", "case_count": 2, "no_equilibrium_count": 0, "max_utilisation_lower_bound": 7.8038295592559725, "minimum_proportional_load_multiplier_upper_bound": 0.12814221433295134, "governing_case": "Q02", "governing": [ { "kind": "section_shear_torsion_proxy", "body": "TN_D1", "axis": 0, "position_mm": 105.74, "net_area_mm2": 1850.3202904711702, "net_width_mm": 77.09667876963209, "torsion_panel_stress_per_Nmm": 0.00011784295802266263, "torsion_planar_stress_per_Nmm": 6.397087935772788e-05, "capacity": 1.0, "utilisation": 7.803830340639169 } ] }, { "material": "SP64_oriented_scenario", "mode": "stage4_reference", "load_basis": "self_weight", "case_count": 1, "no_equilibrium_count": 0, "max_utilisation_lower_bound": 0.4755221173731131, "minimum_proportional_load_multiplier_upper_bound": 2.102951605120317, "governing_case": "Q04", "governing": [ { "kind": "section_shear_torsion_proxy", "body": "TN_D1", "axis": 0, "position_mm": 13.8139, "net_area_mm2": 2896.211964281997, "net_width_mm": 120.67549851174988, "torsion_panel_stress_per_Nmm": 6.854295591917466e-05, "torsion_planar_stress_per_Nmm": 2.7284209826011663e-05, "capacity": 1.0, "utilisation": 0.47552216592532714 } ] }, { "material": "SP64_oriented_scenario", "mode": "stage4_reference", "load_basis": "snow_coefficients_with_shape_assumptions", "case_count": 1, "no_equilibrium_count": 0, "max_utilisation_lower_bound": 5.519173546801674, "minimum_proportional_load_multiplier_upper_bound": 0.1811865475003035, "governing_case": "Q05", "governing": [ { "kind": "section_shear_torsion_proxy", "body": "TN_D1", "axis": 1, "position_mm": 329.87, "net_area_mm2": 5803.772839420542, "net_width_mm": 241.82386830918927, "torsion_panel_stress_per_Nmm": 3.067546914882961e-05, "torsion_planar_stress_per_Nmm": 1.1948258570671974e-05, "capacity": 1.0, "utilisation": 5.519174099719042 } ] } ], "selfcheck": { "rectangle_section": true, "contact_area_and_centroid": true, "wrench_transfer_units": true, "isotropic_square_torsion_K": 0.14057701495615457, "isotropic_square_torsion_max_stress": 4.803875537719986 }, "limitations": [ "Archived13 two-leg qualification benchmarks, not a new full-frame force envelope or current mass/stiffness verification.", "Every rib, keeper and both legs has independent six-component equilibrium. Central plate/toe support fixed only as a stated local boundary.", "Static minimax allows stress redistribution and both separated contact signs without elastic compatibility. Reciprocal index is an upper bound on the proportional benchmark scale in this discretised material model, NOT an approved Rd.", "Section normal and shear/torsion checks are net-section beam-resultant screens. Local orthotropic notch fracture, delamination, ligament load partition and pressure compatibility are not certified by this model.", "Face-bearing2.97MPa is a separate assumed cap even in the Metsä comparison; no unreported DoP value is invented.", "Zero friction, glue and preload strength credit. Retaining bolts are not assigned convenient structural reactions.", "Real clearance, coating and moisture change contact engagement. Geometry/CNC fit and manufacturing controls remain separately bound inputs.", "Slab and anchors excluded. Purchased lower-angle resistance is not inferred from rigid local support." ] }