tardis-sn/tardis
Dec 2024 – Sep 2025
8 Months active
Languages Used
Jupyter NotebookNumbaPythonShellTOMLYAMLRST
Technical Skills
Astrophysical SimulationsAstropyCode RefactoringData AnalysisNumPyNumba
Andrew
PROFILE
Andrew
Andrew Fullard contributed to the tardis-sn/tardis repository by engineering advanced plasma physics simulation features and stabilizing core workflows. He developed modular solvers for plasma equilibrium, ionization, and thermal balance, refactoring legacy code to improve maintainability and accuracy. Using Python, NumPy, and Astropy, Andrew enhanced data validation, configuration management, and test coverage, ensuring reliable scientific computations and reproducible results. He addressed complex bug fixes in workflow inheritance, data integrity, and notebook reliability, while integrating new atomic datasets and dependency updates. His work demonstrated depth in scientific computing, enabling safer feature rollouts and supporting ongoing improvements in astrophysical modeling fidelity.
Overall Statistics
Feature vs Bugs
50%Features
Repository Contributions
19Total
Bugs
7
Commits
19
Features
7
Lines of code
10,429
Activity Months8
Work History
September 2025
2 Commits • 1 Features
Sep 1, 2025September 2025: Delivered a high-fidelity Plasma Equilibrium Heating/Cooling Rates feature for the tardis-sn/tardis repository, including a thermal balance solver, benchmark comparisons, and regression data testing to ensure ongoing accuracy. Key enhancements focused on physics accuracy, test coverage, and maintainability to support reliable plasma simulations and safer future changes.
2 Commits • 1 Features
Sep 1, 2025September 2025: Delivered a high-fidelity Plasma Equilibrium Heating/Cooling Rates feature for the tardis-sn/tardis repository, including a thermal balance solver, benchmark comparisons, and regression data testing to ensure ongoing accuracy. Key enhancements focused on physics accuracy, test coverage, and maintainability to support reliable plasma simulations and safer future changes.
September 2025
August 2025
4 Commits • 1 Features
Aug 1, 2025August 2025: Delivered high-value modeling improvements and maintained developer velocity by stabilizing test infrastructure and ensuring compatibility with current dependencies. Improved ionization modeling accuracy, restored solver stability, and unblocked development through strategic test management.
August 2025
4 Commits • 1 Features
Aug 1, 2025August 2025: Delivered high-value modeling improvements and maintained developer velocity by stabilizing test infrastructure and ensuring compatibility with current dependencies. Improved ionization modeling accuracy, restored solver stability, and unblocked development through strategic test management.
July 2025
1 Commits
Jul 1, 2025July 2025 (2025-07) focused on stabilizing notebook reliability in the tardis-sn/tardis repo, addressing broken notebook functionality and aligning user-facing documentation. The primary effort delivered a bug fix to the Liv Plot Notebook to correctly convert species IDs to element symbols, and adjustments to the SDEC Notebook execution count and kernel specification, including a guarded skip path to avoid incorrect runs. This work improves reproducibility, reduces user confusion, and enhances overall documentation quality.
1 Commits
Jul 1, 2025July 2025 (2025-07) focused on stabilizing notebook reliability in the tardis-sn/tardis repo, addressing broken notebook functionality and aligning user-facing documentation. The primary effort delivered a bug fix to the Liv Plot Notebook to correctly convert species IDs to element symbols, and adjustments to the SDEC Notebook execution count and kernel specification, including a guarded skip path to avoid incorrect runs. This work improves reproducibility, reduces user confusion, and enhances overall documentation quality.
July 2025
June 2025
2 Commits • 1 Features
Jun 1, 2025June 2025 performance summary for tardis-sn/tardis focused on stabilizing data handling and upgrading core test dependencies to improve reliability, reproducibility, and compatibility across scientific workflows.
June 2025
2 Commits • 1 Features
Jun 1, 2025June 2025 performance summary for tardis-sn/tardis focused on stabilizing data handling and upgrading core test dependencies to improve reliability, reproducibility, and compatibility across scientific workflows.
May 2025
2 Commits • 1 Features
May 1, 2025In May 2025, the tardis-sn/tardis team delivered two core changes aimed at increasing stability and accuracy of plasma physics simulations. A bug fix corrected the StandardTARDISWorkflow inheritance initialization to ensure proper base functionality, reducing inheritance-related runtime errors. A data update migrated plasma rate calculations to the latest kurucz_cd23_chianti_H_He_latest.h5, with changes propagated across configuration, documentation, and tests to ensure consistency. These efforts enhance simulation reliability, data integrity, and maintainability, and lay groundwork for upcoming physics refinements.
2 Commits • 1 Features
May 1, 2025In May 2025, the tardis-sn/tardis team delivered two core changes aimed at increasing stability and accuracy of plasma physics simulations. A bug fix corrected the StandardTARDISWorkflow inheritance initialization to ensure proper base functionality, reducing inheritance-related runtime errors. A data update migrated plasma rate calculations to the latest kurucz_cd23_chianti_H_He_latest.h5, with changes propagated across configuration, documentation, and tests to ensure consistency. These efforts enhance simulation reliability, data integrity, and maintainability, and lay groundwork for upcoming physics refinements.
May 2025
March 2025
4 Commits • 1 Features
Mar 1, 2025March 2025 performance summary for tardis-sn/tardis: Delivered major workflow enhancements and a bug fix that improve configurability, reliability, and clarity of the TARDIS plasma workflow. Key changes include: 1) TARDIS workflow enhancements with CSVY configuration and convergence parameter, propagate csvy through workflow initialization, and introduce store_iteration_properties in the convergence strategy with updated docs. 2) Ion population reporting bug fix: corrected ion population error message to reflect the replacement value and refactored helium population assignment for clarity in the plasma property module. These changes were implemented across commits 9d30f345761d2039385cb280e0d817ec09e41e5a, df376c14e57b37c62d5f5584354695faa37666cf, be54e6d0330f0f52a56a8c5e0e8ff83fb26355af, and 3117c5196588945479d23870c19fece32fd86b3e. Overall impact: more reliable workflows, reproducible configurations, clearer error messaging, and improved maintainability. Technologies demonstrated: Python refactoring, configuration-driven design (CSVY), error handling, and documentation updates.
March 2025
4 Commits • 1 Features
Mar 1, 2025March 2025 performance summary for tardis-sn/tardis: Delivered major workflow enhancements and a bug fix that improve configurability, reliability, and clarity of the TARDIS plasma workflow. Key changes include: 1) TARDIS workflow enhancements with CSVY configuration and convergence parameter, propagate csvy through workflow initialization, and introduce store_iteration_properties in the convergence strategy with updated docs. 2) Ion population reporting bug fix: corrected ion population error message to reflect the replacement value and refactored helium population assignment for clarity in the plasma property module. These changes were implemented across commits 9d30f345761d2039385cb280e0d817ec09e41e5a, df376c14e57b37c62d5f5584354695faa37666cf, be54e6d0330f0f52a56a8c5e0e8ff83fb26355af, and 3117c5196588945479d23870c19fece32fd86b3e. Overall impact: more reliable workflows, reproducible configurations, clearer error messaging, and improved maintainability. Technologies demonstrated: Python refactoring, configuration-driven design (CSVY), error handling, and documentation updates.
January 2025
2 Commits • 1 Features
Jan 1, 2025January 2025: Implemented Photoionization and Collisional Ionization Rate Solvers for tardis, including new rate coefficients, refactored handling of photoionization coefficients, and integration of spontaneous recombination rates. Updated test notebooks and documentation to reflect the new capabilities, enabling more accurate ionization modeling in plasma simulations and broader applicability. Fixed a documentation build error by reusing an existing OpacityState and calling to_numba directly, resolving the build failure and ensuring docs render correctly. Overall impact: enhanced ionization modeling accuracy, broader applicability, and more reliable documentation process, supporting faster onboarding and reduced maintenance risk for users.
2 Commits • 1 Features
Jan 1, 2025January 2025: Implemented Photoionization and Collisional Ionization Rate Solvers for tardis, including new rate coefficients, refactored handling of photoionization coefficients, and integration of spontaneous recombination rates. Updated test notebooks and documentation to reflect the new capabilities, enabling more accurate ionization modeling in plasma simulations and broader applicability. Fixed a documentation build error by reusing an existing OpacityState and calling to_numba directly, resolving the build failure and ensuring docs render correctly. Overall impact: enhanced ionization modeling accuracy, broader applicability, and more reliable documentation process, supporting faster onboarding and reduced maintenance risk for users.
January 2025
December 2024
2 Commits • 1 Features
Dec 1, 2024December 2024: Delivered comprehensive TARDIS plasma modeling enhancements focusing on modularity, accuracy, and validation. Refactored opacity and plasma solving into legacy/new paths, introduced beta Sobolev opacity calculations, added a rates matrix solver and a level population solver, and renamed detailed_balance to equilibrium. Cleaned up obsolete Sobolev handling and expanded tests/notebooks to validate improvements. This work lays groundwork for future feature toggles and improves spectral fidelity and maintainability.
December 2024
2 Commits • 1 Features
Dec 1, 2024December 2024: Delivered comprehensive TARDIS plasma modeling enhancements focusing on modularity, accuracy, and validation. Refactored opacity and plasma solving into legacy/new paths, introduced beta Sobolev opacity calculations, added a rates matrix solver and a level population solver, and renamed detailed_balance to equilibrium. Cleaned up obsolete Sobolev handling and expanded tests/notebooks to validate improvements. This work lays groundwork for future feature toggles and improves spectral fidelity and maintainability.
Activity
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Quality Metrics
Correctness86.8%
Maintainability86.8%
Architecture83.2%
Performance78.4%
AI Usage21.0%
Skills & Technologies
Programming Languages
Jupyter NotebookNumbaPythonRSTShellTOMLYAML
Technical Skills
Astrophysical SimulationsAstrophysicsAstrophysics SimulationAstropyBackend DevelopmentBug FixBug FixingCI/CDCode RefactoringCode ReversionConfiguration ManagementData AnalysisData ManagementData ValidationDependency Management
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