docs: solver audit and gap analysis from deep code review#32
Open
diegokingston wants to merge 2 commits intomainfrom
Open
docs: solver audit and gap analysis from deep code review#32diegokingston wants to merge 2 commits intomainfrom
diegokingston wants to merge 2 commits intomainfrom
Conversation
Comprehensive audit covering solver engine, test suite, design checks, frontend validation, and numerical behavior. Catalogs gaps not currently in SOLVER_ROADMAP, PRODUCT_ROADMAP, or the safety hardening research note. Key findings: 1. Three fully implemented modules (AdaptiveStepper, line_search, section_stress) exist and are tested but not wired into any solver 2. Five nonlinear solvers lack divergence detection, adaptive stepping, and line search — only arc_length has robust convergence controls 3. Linear solver returns results silently when material yields, with no overstress warning despite section_stress.rs already computing Von Mises vs fy 4. No post-solve residual check (||Ku-f||/||f||) in any solver path 5. Missing user-facing warnings: P-Delta recommendation (N/Ncr), B2 warning zone, rigid connection assumption, thermal restraint, mesh quality summary 6. Steel design check missing shear (AISC G2), RC missing P-M interaction diagram, 3/6 design checks missing pass/fail boolean 7. ~20 classical analytical solutions not tested: Maxwell/Betti reciprocity, inelastic buckling, LTB analytical, Cook's membrane, circular plate, Timoshenko beam correction, SDOF harmonic resonance, and others 8. Self-weight not automatic for frame elements (only shells/plates) Includes prioritized recommendations from immediate (wire existing dead code) to near-term (add safeguards) to verification depth (analytical tests).
…ysis Sections 9-10 document that all solvers start from zero displacement with no warm-start capability, a dead initial_displacements API field, and the complete absence of iterative solvers and preconditioners. Recommendations updated with new items for warm-start APIs, iterative solver infrastructure (P2), and quasi-Newton methods (P3).
Batuis
changed the title
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
1 participant
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
Comprehensive audit covering solver engine, test suite, design checks, frontend validation, and numerical behavior. Catalogs gaps not currently in SOLVER_ROADMAP, PRODUCT_ROADMAP, or the safety hardening research note.
Key findings:
Three fully implemented modules (AdaptiveStepper, line_search, section_stress) exist and are tested but not wired into any solver
Five nonlinear solvers lack divergence detection, adaptive stepping, and line search — only arc_length has robust convergence controls
Linear solver returns results silently when material yields, with no overstress warning despite section_stress.rs already computing Von Mises vs fy
No post-solve residual check (||Ku-f||/||f||) in any solver path
Missing user-facing warnings: P-Delta recommendation (N/Ncr), B2 warning zone, rigid connection assumption, thermal restraint, mesh quality summary
Steel design check missing shear (AISC G2), RC missing P-M interaction diagram, 3/6 design checks missing pass/fail boolean
~20 classical analytical solutions not tested: Maxwell/Betti reciprocity, inelastic buckling, LTB analytical, Cook's membrane, circular plate, Timoshenko beam correction, SDOF harmonic resonance, and others
Self-weight not automatic for frame elements (only shells/plates)
Includes prioritized recommendations from immediate (wire existing dead code) to near-term (add safeguards) to verification depth (analytical tests).