{ "schema": "copv-c02-evidence-v1", "detailed_3D": { "status": "completed", "case_id": "C02_detailed_baseline_1MPa", "backend": "CPU FFCx assembly; PETSc CUDA FGMRES/GAMG on full displacement operator, unsmoothed aggregation and Jacobi/Chebyshev levels; small coarsest SVD on CPU, hierarchy recorded in KSP view", "preconditioner": "full-gamg", "dolfinx": "0.11.0", "petsc": [ 3, 25, 6 ], "matrix_type": "seqaijcusparse", "vector_type": "seqcuda", "geometry_mapping": "straight-sided TET10 coordinate storage (affine geometry); displacement degree selected by solver", "nodes": 194235, "geometry_nodes": 1380976, "cells": 914613, "dofs": 582705, "displacement_degree": 1, "structural_parts": 12, "display_only_seals": 6, "pressure_MPa": 1.0, "true_relative_residual": 1.0180967814903494e-10, "peak_iterations": 1304, "peak_reason": 2, "peak_solve_seconds": 28.007922093998786, "max_U_mm": 0.3558847333777512, "strain_energy_Nmm": 7438.4258978844355, "external_work_Nmm": 14876.851795636241, "energy_work_relative_error": 8.915090887740007e-12, "force_balance_N": [ -6.845099209673577e-10, 1.0282815723905436e-08, 1.0421348739519942e-07 ], "moment_balance_Nmm": [ -5.0509272569394425e-06, -8.595079541429129e-07, 3.08825256022799e-07 ], "load_resultant_N": [ 1.9024967712333307e-10, -1.3517892361036843e-10, 0.18147637560862062 ], "gauge_reactions_N": [ -8.747595980906908e-10, 2.2168781477205357e-08, -0.09073762276581765, -1.1750786829689552e-08, -0.09073774685910174, -9.017702138347516e-07 ], "cap_forces_N": { "upper": 326.85129967948205, "lower": 213.8246499849553 }, "cap_areas_mm2": { "top": 53.195862399658836, "bottom": 43.409831109155924 }, "min_GP_Jacobian_mm3": 0.0007576650013307442, "material_frame_det_max_error": 1.3322676295501878e-15, "half_load_relative_error": 9.799148413044275e-10, "zero_load_U_norm": 0.0, "part_statistics": { "1": { "material": "aluminum", "name": "金属气密内衬", "max_GP_von_Mises_MPa": 121.31904417623282, "max_abs_fiber_sigma11_MPa": 66.37051411765069, "volume_mm3": 335073.5662344351 }, "2": { "material": "adhesive", "name": "环氧粘接层 0.15 mm", "max_GP_von_Mises_MPa": 11.999915333668302, "max_abs_fiber_sigma11_MPa": 13.907443760021788, "volume_mm3": 49499.813948484465 }, "3": { "material": "carbon", "name": "包覆铺层 1 / +55°", "max_GP_von_Mises_MPa": 50.52596707125578, "max_abs_fiber_sigma11_MPa": 45.99379464658564, "volume_mm3": 248940.3663322951 }, "4": { "material": "carbon", "name": "包覆铺层 2 / -55°", "max_GP_von_Mises_MPa": 59.34754979164405, "max_abs_fiber_sigma11_MPa": 57.79193082158726, "volume_mm3": 251137.4190358348 }, "5": { "material": "carbon", "name": "包覆铺层 3 / -55°", "max_GP_von_Mises_MPa": 65.77502111194433, "max_abs_fiber_sigma11_MPa": 63.46440477780297, "volume_mm3": 253313.55646593595 }, "6": { "material": "carbon", "name": "包覆铺层 4 / +55°", "max_GP_von_Mises_MPa": 65.01480305590927, "max_abs_fiber_sigma11_MPa": 63.80911629949355, "volume_mm3": 255488.2042404518 }, "7": { "material": "carbon", "name": "上极区局部补强", "max_GP_von_Mises_MPa": 182.04948816232994, "max_abs_fiber_sigma11_MPa": 111.18053086429603, "volume_mm3": 4273.077316903033 }, "8": { "material": "carbon", "name": "下极区局部补强", "max_GP_von_Mises_MPa": 197.27133743274854, "max_abs_fiber_sigma11_MPa": 115.08616450641213, "volume_mm3": 4271.782176427214 }, "9": { "material": "titanium", "name": "上端充装口 · 嵌入法兰与车削 boss", "max_GP_von_Mises_MPa": 25.401407680163626, "max_abs_fiber_sigma11_MPa": 22.126610616009334, "volume_mm3": 83493.10707185788 }, "10": { "material": "titanium", "name": "下端服务口 · 嵌入法兰与车削 boss", "max_GP_von_Mises_MPa": 24.679470623245205, "max_abs_fiber_sigma11_MPa": 20.843891913015998, "volume_mm3": 80852.26006732885 }, "14": { "material": "steel", "name": "上端充装口 · 中空接口套 / 六角扳手位", "max_GP_von_Mises_MPa": 8.673619022635316, "max_abs_fiber_sigma11_MPa": 6.594910041701182, "volume_mm3": 16166.006370053345 }, "18": { "material": "steel", "name": "下端服务口 · 中空接口套 / 六角扳手位", "max_GP_von_Mises_MPa": 8.125356454661256, "max_abs_fiber_sigma11_MPa": 5.38493380065556, "volume_mm3": 14389.972160853926 } }, "mesh_sha256": "09ec8d0aba2072d29ac2e76fb9b5d6b6a3400287e69b846b6b06fb0156e93e15", "contract_sha256": "6f3da59471347baa454c052471b6025cfe0da34f937206e83ff5b46b07a48a21", "solver_sha256": "1ba38288c0d3de789f0f592046a737fe5d6bd77dd4dc015a9e25e040296597cf", "total_seconds": 118.5911991819994, "limitations": [ "Linear elastic ideal bonds; no seal compression/contact/friction/damage/yield", "Straight-sided geometry, P1 displacement; curved mesh attempt rejected; convergence belongs to C03", "von Mises for composites is a diagnostic, not a failure criterion", "20 displayed states use exact linear superposition, validated at half and zero load; not 20 nonlinear integrations" ], "metadata_correction": "Corrected a stale P2 limitation description to P1; numerical fields unchanged. solver_sha256 matches solver_executed_snapshot.py." }, "independent_axisymmetric_specimen": { "specimen": "same Quad9 geometry, actual orthotropic 3-component closed-end pressure, same axial master/gauge; independent skfem versus FEniCSx", "U_relative_L2": 4.72380391628388e-10, "U_max_abs_mm": 3.4012383881565356e-10, "utheta_relative_L2": 3.034665432214514e-07, "utheta_max_abs_error_mm": 1.0953437210524906e-10, "raw_GP_stress_volume_weighted_relative_Frobenius": 2.915977177092281e-09, "GP_xyz_max_match_error_mm": 1.1457157353758233e-13, "voigt_physical_shear_multiplicity": [ 1, 1, 1, 2, 2, 2 ], "passed": true }, "analytical_rotated_TET10_patch_FEniCSx": { "U_relative_L2": 1.2387881082294569e-14, "stress_relative_L2": 1.1256690234119142e-14, "matrix_type": "seqaijcusparse", "vector_type": "seqcuda", "iterations": 26, "passed": true }, "analytical_rotated_TET10_patch_CalculiX": { "U_relative_L2": 1.9434546184976584e-12, "stress_relative_L2": 1.0299339642247364e-07, "seconds": 0.10238210007082671, "constant_rotated_orthotropic_stress_MPa": [ 54.84702850459993, 25.086928716523456, 19.533073774095037, -10.568565738831818, -19.439646309786816, 28.69444258030712 ], "load_force_balance_N": [ 0.0, 0.0, 0.0 ], "load_moment_balance_Nmm": [ 0.0, 0.0, -7.958078640513122e-12 ], "passed": true }, "independent_pressure_and_caps_closure": { "pressure_boundary_facets": 57544, "top_cap_facets": 256, "bottom_cap_facets": 256, "pressure_plus_caps_force_resultant_N": [ 2.256195230643243e-11, -2.200850612865679e-12, 0.18147637596413801 ], "pressure_plus_caps_moment_resultant_Nmm": [ 2.123636377859839e-09, -2.2710189284680382e-09, 1.1221468199096307e-11 ], "force_relative_to_p_pi_R2": 5.776572457819157e-06, "moment_relative_to_p_pi_R2_L": 1.6495125190803892e-16, "method": "Independent outward tetra face topology and exact planar triangle pressure area vectors; same idealized fluid boundary rule; caps each applied once", "passed": true, "exterior_faces": 155786, "material_interface_faces": 430920, "seconds": 2.5536136000882834 }, "comparison_scope": "CalculiX checks a rotated straight TET10 patch; skfem checks a geometry-matched axisymmetric vessel. Neither is a second full detailed-assembly solve.", "stress_scope": "Raw original-cell GP tensors retained locally; public display uses per-cell GP volume means without cross-material averaging. Composite von Mises is not a failure criterion." }