idaholab/moose
Dec 2024 – Apr 2026
13 Months active
Languages Used
C++MarkdownPythonCSVN/ANone
Technical Skills
Action SystemBug FixingC++C++ DevelopmentCode GenerationComputational Geometry
Yinbin Miao
PROFILE
Yinbin Miao
Over thirteen months, contributed to idaholab/moose by engineering advanced mesh generation and geometry processing tools, focusing on robust workflows for complex simulations. Developed features such as curved-surface Delaunay triangulation, configurable subdomain inclusion, and automated batch mesh generation, leveraging C++ and Python for high-performance and test-driven development. Refactored core modules to improve maintainability, introduced error handling and validation for mesh operations, and enhanced documentation to streamline onboarding. Addressed bugs in mesh stitching, boundary assignment, and parallelization, ensuring reliable distributed-mode workflows. The work demonstrated depth in computational geometry, software architecture, and finite element methods, supporting reproducible, scalable simulation environments.
Overall Statistics
Feature vs Bugs
79%Features
Repository Contributions
45Total
Bugs
6
Commits
45
Features
23
Lines of code
11,467
Activity Months13
Your Network
193 peopleSame Organization
@anl.gov47
Shared Repositories
146
Riet, Adriaan AnthonyMember
Ansh ChaubeMember
Alex GrantMember
Alexander BlairMember
Alex LindsayMember
Alex LindsayMember
Andreas Henrik FrederiksenMember
WilkAndyMember
Aaron OaksMember
Work History
April 2026
1 Commits • 1 Features
Apr 1, 2026April 2026: Implemented symmetry factor in the 2D-3D Heat Structure Coupler to improve heat flux accuracy for azimuthally symmetric models. This feature enhances fidelity in axisymmetric simulations and reduces potential modeling errors for users relying on symmetry.
1 Commits • 1 Features
Apr 1, 2026April 2026: Implemented symmetry factor in the 2D-3D Heat Structure Coupler to improve heat flux accuracy for azimuthally symmetric models. This feature enhances fidelity in axisymmetric simulations and reduces potential modeling errors for users relying on symmetry.
April 2026
January 2026
1 Commits • 1 Features
Jan 1, 2026January 2026 performance summary focused on delivering targeted mesh generation control within idaholab/moose. Key outcome was enabling configurable inclusion of subdomains in mesh generation for ParsedSubdomainGeneratorBase, supporting precise selection by including specific subdomains and excluding others. This included the design and addition of new parameters, validation logic, and test coverage to ensure correct behavior and robust error handling. The work enhances reproducibility, control, and user-directed mesh refinement while maintaining backward compatibility.
January 2026
1 Commits • 1 Features
Jan 1, 2026January 2026 performance summary focused on delivering targeted mesh generation control within idaholab/moose. Key outcome was enabling configurable inclusion of subdomains in mesh generation for ParsedSubdomainGeneratorBase, supporting precise selection by including specific subdomains and excluding others. This included the design and addition of new parameters, validation logic, and test coverage to ensure correct behavior and robust error handling. The work enhances reproducibility, control, and user-directed mesh refinement while maintaining backward compatibility.
December 2025
5 Commits • 4 Features
Dec 1, 2025Concise monthly summary for 2025-12 focusing on key accomplishments in mesh generation and geometry utilities for reactor geometries. Emphasizes business value through improved mesh generation capabilities, module refactor for maintainability, and updated media assets to reflect usage changes.
5 Commits • 4 Features
Dec 1, 2025Concise monthly summary for 2025-12 focusing on key accomplishments in mesh generation and geometry utilities for reactor geometries. Emphasizes business value through improved mesh generation capabilities, module refactor for maintainability, and updated media assets to reflect usage changes.
December 2025
November 2025
2 Commits • 1 Features
Nov 1, 2025November 2025: Delivered substantial XYZDelaunay Mesh Generator improvements in idaholab/moose, focusing on hole handling, conversion and stitching. Implemented fixes to replicated meshes and serialization to prevent parallelization issues, improving reliability of parallel mesh generation. These changes reduce failed runs in production simulations and enable more robust meshing workflows.
November 2025
2 Commits • 1 Features
Nov 1, 2025November 2025: Delivered substantial XYZDelaunay Mesh Generator improvements in idaholab/moose, focusing on hole handling, conversion and stitching. Implemented fixes to replicated meshes and serialization to prevent parallelization issues, improving reliability of parallel mesh generation. These changes reduce failed runs in production simulations and enable more robust meshing workflows.
October 2025
1 Commits • 1 Features
Oct 1, 2025Month 2025-10: Focused on enhancing mesh operations robustness in idaholab/moose. Implemented parameter validation and user feedback for copyIntoMesh during merging of subdomains and boundaries, improving error handling and guidance for users during mesh operations. This work reduces silent failures and accelerates debugging for mesh-related workflows, enabling more reliable simulations across subdomain merging scenarios.
1 Commits • 1 Features
Oct 1, 2025Month 2025-10: Focused on enhancing mesh operations robustness in idaholab/moose. Implemented parameter validation and user feedback for copyIntoMesh during merging of subdomains and boundaries, improving error handling and guidance for users during mesh operations. This work reduces silent failures and accelerates debugging for mesh-related workflows, enabling more reliable simulations across subdomain merging scenarios.
October 2025
August 2025
4 Commits • 1 Features
Aug 1, 2025Month: 2025-08 — Repository: idaholab/moose. Focused on improving mesh generation robustness and boundary handling, and hardening subdomain ID processing. Delivered via a base-class refactor and targeted safety checks, with tests to validate behavior. Key outcomes: 1) Delaunay mesh generation improvements and boundary handling consolidated under a common base class, improving reliability and maintainability of mesh generation (commits: d4a9ec872315f3afd429fb2fe2d251e3fe789295; f5b5feb9f55093e77f6331b8dc6ff78774b0d6b2; f1ff35a40b3c26218518e481970de49e152eabe9). 2) Subdomain ID overflow protection added during element conversion, with a test to verify the overflow condition (commit: 8737b03e160a6fe51eaaabd217e141ee9229a104). 3) Code quality improvements and cleanup aligned with review feedback during this work.
August 2025
4 Commits • 1 Features
Aug 1, 2025Month: 2025-08 — Repository: idaholab/moose. Focused on improving mesh generation robustness and boundary handling, and hardening subdomain ID processing. Delivered via a base-class refactor and targeted safety checks, with tests to validate behavior. Key outcomes: 1) Delaunay mesh generation improvements and boundary handling consolidated under a common base class, improving reliability and maintainability of mesh generation (commits: d4a9ec872315f3afd429fb2fe2d251e3fe789295; f5b5feb9f55093e77f6331b8dc6ff78774b0d6b2; f1ff35a40b3c26218518e481970de49e152eabe9). 2) Subdomain ID overflow protection added during element conversion, with a test to verify the overflow condition (commit: 8737b03e160a6fe51eaaabd217e141ee9229a104). 3) Code quality improvements and cleanup aligned with review feedback during this work.
July 2025
3 Commits • 2 Features
Jul 1, 2025July 2025 (2025-07) highlights focused on strengthening mesh generation capabilities in idaholab/moose, with emphasis on curved-surface meshing and cross-element workflows. Delivered a Boundary2DDelaunayGenerator for robust 2D Delaunay triangulation on curved geometries embedded in 3D meshes, including projection, triangulation, reverse projection, optional level-set based node correction, and support for multiple boundaries and holes. Also advanced Mesh Generation with RealVectorValue and Point types for batch mesh generation, accompanied by refactors, documentation updates, and a transition-layer feature that enables boundary element conversion to TRI3 for flexible mesh cutting across element types. These efforts improve robustness, scalability, and interoperability for surface and cross-element meshing workflows, delivering tangible business value through more reliable geometry handling and streamlined batch workflows.
3 Commits • 2 Features
Jul 1, 2025July 2025 (2025-07) highlights focused on strengthening mesh generation capabilities in idaholab/moose, with emphasis on curved-surface meshing and cross-element workflows. Delivered a Boundary2DDelaunayGenerator for robust 2D Delaunay triangulation on curved geometries embedded in 3D meshes, including projection, triangulation, reverse projection, optional level-set based node correction, and support for multiple boundaries and holes. Also advanced Mesh Generation with RealVectorValue and Point types for batch mesh generation, accompanied by refactors, documentation updates, and a transition-layer feature that enables boundary element conversion to TRI3 for flexible mesh cutting across element types. These efforts improve robustness, scalability, and interoperability for surface and cross-element meshing workflows, delivering tangible business value through more reliable geometry handling and streamlined batch workflows.
July 2025
June 2025
3 Commits • 1 Features
Jun 1, 2025June 2025 monthly summary for idaholab/moose: Delivered enhancements to meshing capabilities, improved distributed-mode workflows, and strengthened stability. Key deliverables include 2D hole surface support in XYZDelaunayGenerator with distributed-mode documentation, updates to error handling and mesh serialization guidance, and a bug fix for XYMeshLineCutter boundary assignment with targeted tests. These changes expand realistic meshing scenarios, clarify distributed stitching behavior, and improve reliability for users running distributed simulations.
June 2025
3 Commits • 1 Features
Jun 1, 2025June 2025 monthly summary for idaholab/moose: Delivered enhancements to meshing capabilities, improved distributed-mode workflows, and strengthened stability. Key deliverables include 2D hole surface support in XYZDelaunayGenerator with distributed-mode documentation, updates to error handling and mesh serialization guidance, and a bug fix for XYMeshLineCutter boundary assignment with targeted tests. These changes expand realistic meshing scenarios, clarify distributed stitching behavior, and improve reliability for users running distributed simulations.
April 2025
7 Commits • 4 Features
Apr 1, 2025April 2025: Key mesh-generation enhancements and robustness fixes for idaholab/moose, delivering more flexible configuration, higher-order element support, and data integrity improvements. The work reduces manual setup, enhances reproducibility, and broadens applicability of complex simulations.
7 Commits • 4 Features
Apr 1, 2025April 2025: Key mesh-generation enhancements and robustness fixes for idaholab/moose, delivering more flexible configuration, higher-order element support, and data integrity improvements. The work reduces manual setup, enhances reproducibility, and broadens applicability of complex simulations.
April 2025
March 2025
10 Commits • 3 Features
Mar 1, 2025March 2025 – idaholab/moose: Delivered significant mesh-generation enhancements and robustness improvements that directly support more complex simulations and reduce configuration risk. Implemented robust mesh stitching across external and hole boundaries with per-element sidesets, including automatic conversion for challenging meshes, enabling reliable stitching for complex geometries. Strengthened BatchMeshGeneratorAction with comprehensive input parameter validation, type checks, and improved error handling, complemented by expanded tests and documentation. Added a configurable option to disable control drum ID assignment during mesh generation to better manage ID conflicts in large meshes. Stabilized CombinerGenerator tests by reordering inputs to reflect intended configurations, improving CI stability. Overall, these changes improve mesh quality, reduce setup errors, and accelerate development and experimentation.
March 2025
10 Commits • 3 Features
Mar 1, 2025March 2025 – idaholab/moose: Delivered significant mesh-generation enhancements and robustness improvements that directly support more complex simulations and reduce configuration risk. Implemented robust mesh stitching across external and hole boundaries with per-element sidesets, including automatic conversion for challenging meshes, enabling reliable stitching for complex geometries. Strengthened BatchMeshGeneratorAction with comprehensive input parameter validation, type checks, and improved error handling, complemented by expanded tests and documentation. Added a configurable option to disable control drum ID assignment during mesh generation to better manage ID conflicts in large meshes. Stabilized CombinerGenerator tests by reordering inputs to reflect intended configurations, improving CI stability. Overall, these changes improve mesh quality, reduce setup errors, and accelerate development and experimentation.
February 2025
1 Commits
Feb 1, 2025February 2025 (2025-02) monthly summary for idaholab/moose focused on correctness and stability in mesh pattern generation. Key accomplishment: fixed an error in the volume preservation factor calculation within FlexiblePatternGenerator by applying a square root, improving area preservation in generated mesh patterns. Updated test data to reflect the fix and validated regression tests. Impact: more accurate mesh generation leading to higher fidelity simulations and reduced risk of mesh-related drift; saved time in debugging by addressing root cause. Technologies/skills demonstrated: C++/Moose code adjustments, test-driven development, code review discipline, and maintaining test data integrity.
1 Commits
Feb 1, 2025February 2025 (2025-02) monthly summary for idaholab/moose focused on correctness and stability in mesh pattern generation. Key accomplishment: fixed an error in the volume preservation factor calculation within FlexiblePatternGenerator by applying a square root, improving area preservation in generated mesh patterns. Updated test data to reflect the fix and validated regression tests. Impact: more accurate mesh generation leading to higher fidelity simulations and reduced risk of mesh-related drift; saved time in debugging by addressing root cause. Technologies/skills demonstrated: C++/Moose code adjustments, test-driven development, code review discipline, and maintaining test data integrity.
February 2025
January 2025
1 Commits • 1 Features
Jan 1, 2025January 2025 monthly summary for idaholab/moose: Focused on improving mesh cutting tooling documentation and cleanup. Refactored and documented CutMeshByLevelSetGenerator and CutMeshByPlaneGenerator; clarified trimming behavior on 3D meshes using level sets or planes; ensured smooth cuts. Performed minor cleanup in related base classes (CutMeshByLevelSetGeneratorBase.h and CutMeshByLevelSetGeneratorBase.C) to improve maintainability and readability. This work aligns with ongoing efforts to reduce onboarding time and enhance reliability of geometry operations.
January 2025
1 Commits • 1 Features
Jan 1, 2025January 2025 monthly summary for idaholab/moose: Focused on improving mesh cutting tooling documentation and cleanup. Refactored and documented CutMeshByLevelSetGenerator and CutMeshByPlaneGenerator; clarified trimming behavior on 3D meshes using level sets or planes; ensured smooth cuts. Performed minor cleanup in related base classes (CutMeshByLevelSetGeneratorBase.h and CutMeshByLevelSetGeneratorBase.C) to improve maintainability and readability. This work aligns with ongoing efforts to reduce onboarding time and enhance reliability of geometry operations.
December 2024
6 Commits • 3 Features
Dec 1, 2024December 2024 performance recap for idaholab/moose: Expanded mesh manipulation capabilities, automated mesh generation workflows, and enhanced unit mesh identification, while resolving a critical positioning bug in CombinerGenerator. These updates accelerate design iteration, improve mesh quality and reproducibility, and strengthen tooling for complex geometry generation.
6 Commits • 3 Features
Dec 1, 2024December 2024 performance recap for idaholab/moose: Expanded mesh manipulation capabilities, automated mesh generation workflows, and enhanced unit mesh identification, while resolving a critical positioning bug in CombinerGenerator. These updates accelerate design iteration, improve mesh quality and reproducibility, and strengthen tooling for complex geometry generation.
December 2024
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Quality Metrics
Correctness91.2%
Maintainability87.4%
Architecture87.4%
Performance79.2%
AI Usage20.8%
Skills & Technologies
Programming Languages
C++CSVMarkdownN/ANonePython
Technical Skills
Action SystemBoundary ConditionsBug FixingC++C++ DevelopmentC++ developmentC++ programmingCode GenerationCode RefactoringComputational GeometryConfiguration ManagementDocumentationDocumentation UpdateError HandlingFinite Element Method
Repositories Contributed To
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