EXCEEDS logo
Exceeds
Andrew

PROFILE

Andrew

Over the past year, contributed to the tardis-sn/tardis repository by developing and refining advanced plasma physics simulation features, including modular solvers for ionization, opacity, and thermal balance. Leveraging Python, NumPy, and Jupyter Notebook, implemented robust data validation, benchmarking, and workflow automation to improve simulation fidelity and maintainability. Enhanced configuration management and CI/CD pipelines using GitHub Actions, while addressing bugs in data handling, inheritance, and documentation. Focused on reproducibility and reliability, introduced regression testing and improved user-facing notebooks. The work enabled more accurate astrophysical modeling, streamlined onboarding, and supported safer, incremental enhancements to the scientific computing infrastructure within the project.

Overall Statistics

Feature vs Bugs

55%Features

Repository Contributions

29Total
Bugs
10
Commits
29
Features
12
Lines of code
22,391
Activity Months12

Work History

April 2026

3 Commits • 2 Features

Apr 1, 2026

April 2026 delivered targeted reliability and maintainability improvements in the TARDIS project, focusing on CI actions, release process documentation, and workflow quality. These contributions reduce release risk, improve contributor onboarding, and enhance observability through logging improvements. Key outcomes include a bug fix for the GitHub Actions utility action parameter naming, updated release pipeline docs, and IIP workflow cleanup with better naming and logging.

March 2026

4 Commits • 1 Features

Mar 1, 2026

March 2026 monthly summary for tardis repository. Focused on usability improvements for benchmarking, performance control for notebook execution, and restoration of PR workflow stability. Key contributions delivered faster local benchmarking, clearer documentation, improved performance and user control, and more predictable contributor processes, aligning with business value and technical excellence.

February 2026

2 Commits • 1 Features

Feb 1, 2026

February 2026: Continued improvement of TARDIS simulation fidelity focused on geometry accuracy and robust CI validation. Delivered the TARDIS Simulation Geometry Accuracy Enhancements, including updated active geometry calculations for geometric dilution factor and t_rad, and corrected v_middle_active derivation from active velocity arrays. Added targeted tests for active state values and reduced reliance on active geometry in the rad field parser to improve stability. In CI, introduced an extremely basic Monte Carlo solver test in the IIP workflow and adjusted GitHub runner threading to speed up test execution. The combined work results in higher fidelity simulations, faster feedback loops, and greater confidence in spectral predictions.

December 2025

1 Commits • 1 Features

Dec 1, 2025

Monthly summary for 2025-12 focused on delivering a robust Continuum solver for CT19 plasma within tardis-sn/tardis and the associated improvements in data handling, testing, and documentation.

September 2025

2 Commits • 1 Features

Sep 1, 2025

September 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.

August 2025

4 Commits • 1 Features

Aug 1, 2025

August 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, 2025

July 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.

June 2025

2 Commits • 1 Features

Jun 1, 2025

June 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, 2025

In 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.

March 2025

4 Commits • 1 Features

Mar 1, 2025

March 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, 2025

January 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.

December 2024

2 Commits • 1 Features

Dec 1, 2024

December 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

Loading activity data...

Quality Metrics

Correctness89.4%
Maintainability88.6%
Architecture86.2%
Performance83.2%
AI Usage24.2%

Skills & Technologies

Programming Languages

JavaScriptJupyter NotebookNumbaPythonRSTShellTOMLYAMLreStructuredText

Technical Skills

Astrophysical SimulationsAstrophysicsAstrophysics SimulationAstropyBackend DevelopmentBug FixBug FixingCI/CDCode RefactoringCode ReversionConfiguration ManagementData AnalysisData ManagementData ValidationDependency Management

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

tardis-sn/tardis

Dec 2024 Apr 2026
12 Months active

Languages Used

Jupyter NotebookNumbaPythonShellTOMLYAMLRSTJavaScript

Technical Skills

Astrophysical SimulationsAstropyCode RefactoringData AnalysisNumPyNumba