idaholab/moose
Dec 2024 – Aug 2025
8 Months active
Languages Used
C++MarkdownPythonCSVN/A
Technical Skills
Action SystemBug FixingC++C++ DevelopmentCode GenerationComputational Geometry
Yinbin Miao
PROFILE
Yinbin Miao
Yiming Miao developed advanced mesh generation and processing tools for the idaholab/moose repository, focusing on robust geometry handling and workflow automation. Over eight months, Yiming engineered features such as curved-surface Delaunay triangulation, batch mesh generation, and level-set-based mesh cutting, leveraging C++ and Python with strong use of computational geometry and finite element methods. Their work emphasized maintainability through code refactoring, comprehensive documentation, and rigorous testing. By addressing error handling, input validation, and subdomain ID safety, Yiming improved reliability for distributed and complex simulations. The depth of engineering enabled more flexible, reproducible, and scalable mesh workflows for scientific computing applications.
Overall Statistics
Feature vs Bugs
71%Features
Repository Contributions
35Total
Bugs
6
Commits
35
Features
15
Lines of code
9,508
Activity Months8
Your Network
148 people
Work History
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.
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
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.
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.
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.
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
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.
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.
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.
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
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.
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.
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.
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
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.
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.
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Quality Metrics
Correctness90.8%
Maintainability88.2%
Architecture86.6%
Performance78.2%
AI Usage20.0%
Skills & Technologies
Programming Languages
C++CSVMarkdownN/APython
Technical Skills
Action SystemBoundary ConditionsBug FixingC++C++ DevelopmentCode GenerationCode RefactoringComputational GeometryConfiguration ManagementDocumentationDocumentation UpdateError HandlingFinite Element MethodFunction ParsingInput Parameter Handling
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