4C-multiphysics/4C
Oct 2024 – Oct 2025
13 Months active
Languages Used
C++CMakeMarkdownRSTYAMLBashDataDockerfile
Technical Skills
C++ Template MetaprogrammingCI/CDCMakeCode CleanupCode RefactoringCommunication Protocols
Amadeus Gebauer
PROFILE
Amadeus Gebauer
Amadeus Gebauer developed advanced simulation and data management features for the 4C-multiphysics/4C repository, focusing on robust tensor operations, high-performance linear algebra, and reliable CI/CD pipelines. He engineered compile-time tensor algebra using C++ template metaprogramming, modernized APIs for shape functions and mesh I/O, and introduced time-aware material evaluation through context-driven input handling. His work included YAML-based configuration safety, artifact management, and automated benchmarking, leveraging C++, Python, and CMake to streamline builds and testing. By refactoring legacy modules and optimizing performance, Amadeus improved simulation fidelity, reproducibility, and maintainability, demonstrating deep technical expertise and a comprehensive approach to software engineering.
Overall Statistics
Feature vs Bugs
78%Features
Repository Contributions
222Total
Bugs
26
Commits
222
Features
91
Lines of code
-97,692
Activity Months13
Your Network
165 people
Work History
October 2025
11 Commits • 4 Features
Oct 1, 2025October 2025: Delivered critical features across the 4C project that enhance simulation fidelity, configuration safety, and pipeline reliability. Highlights include time-aware material evaluation enabled by InterpolatedInputFields and EvaluationContext; safer, clearer IO via YAML proxy types with Prestress input migrated to SymmetricTensor; API modernization for shape functions (std::span) and tensor utilities; and reinforced CI/CD, build/test infrastructure, and repository hygiene (compile-time tracing, clang-18 reports, removal of Paraview and pvpython dependencies, Python-based test post-processing, and doc assets compression).
11 Commits • 4 Features
Oct 1, 2025October 2025: Delivered critical features across the 4C project that enhance simulation fidelity, configuration safety, and pipeline reliability. Highlights include time-aware material evaluation enabled by InterpolatedInputFields and EvaluationContext; safer, clearer IO via YAML proxy types with Prestress input migrated to SymmetricTensor; API modernization for shape functions (std::span) and tensor utilities; and reinforced CI/CD, build/test infrastructure, and repository hygiene (compile-time tracing, clang-18 reports, removal of Paraview and pvpython dependencies, Python-based test post-processing, and doc assets compression).
October 2025
September 2025
30 Commits • 11 Features
Sep 1, 2025September 2025 monthly summary for 4C: Delivered feature enhancements, stability fixes, and release-readiness improvements that improve data fidelity, reproducibility, performance, and business value. Key work spanned IMR I/O enhancements, API usability improvements, stability fixes, and release packaging, with strong emphasis on deterministic behavior, const-correctness, and streamlined deployment for customers.
September 2025
30 Commits • 11 Features
Sep 1, 2025September 2025 monthly summary for 4C: Delivered feature enhancements, stability fixes, and release-readiness improvements that improve data fidelity, reproducibility, performance, and business value. Key work spanned IMR I/O enhancements, API usability improvements, stability fixes, and release packaging, with strong emphasis on deterministic behavior, const-correctness, and streamlined deployment for customers.
August 2025
16 Commits • 7 Features
Aug 1, 2025August 2025: Delivered core mathematical enhancements, broadened data interoperability, and strengthened CI and build processes for 4C, enabling more efficient tensor operations, simpler solid mechanics, and more reliable deployments.
16 Commits • 7 Features
Aug 1, 2025August 2025: Delivered core mathematical enhancements, broadened data interoperability, and strengthened CI and build processes for 4C, enabling more efficient tensor operations, simpler solid mechanics, and more reliable deployments.
August 2025
July 2025
6 Commits • 3 Features
Jul 1, 2025Summary of monthly work for 4C project in 2025-07: Highlights include Einstein summation for tensor ops introducing compile-time contractions, performance optimizations for rank-4 symmetric tensors, CI caching and artifact handling improvements, and a test data alignment fix for FSI tests. These efforts delivered faster builds, more efficient tensor computations, and more reliable test results, contributing to improved simulation performance and developer efficiency.
July 2025
6 Commits • 3 Features
Jul 1, 2025Summary of monthly work for 4C project in 2025-07: Highlights include Einstein summation for tensor ops introducing compile-time contractions, performance optimizations for rank-4 symmetric tensors, CI caching and artifact handling improvements, and a test data alignment fix for FSI tests. These efforts delivered faster builds, more efficient tensor computations, and more reliable test results, contributing to improved simulation performance and developer efficiency.
June 2025
18 Commits • 13 Features
Jun 1, 2025June 2025 monthly summary for 4C: Substantial progress in tensor capabilities across material evaluation and solid-element workflows, with focused improvements in tensor algebra, differentiation, and performance. The team delivered new tensor operations, robust tensor support in core evaluation paths, and targeted build optimizations, alongside important reliability fixes.
18 Commits • 13 Features
Jun 1, 2025June 2025 monthly summary for 4C: Substantial progress in tensor capabilities across material evaluation and solid-element workflows, with focused improvements in tensor algebra, differentiation, and performance. The team delivered new tensor operations, robust tensor support in core evaluation paths, and targeted build optimizations, alongside important reliability fixes.
June 2025
May 2025
5 Commits • 2 Features
May 1, 2025May 2025 monthly delivery focused on modernizing the Core Tensor API, expanding testing capabilities, and extending linear algebra utilities to enable robust tensor operations in 4C. The changes lay groundwork for easier data import, clearer API boundaries, and stronger numerical validation, improving downstream integration and reliability.
May 2025
5 Commits • 2 Features
May 1, 2025May 2025 monthly delivery focused on modernizing the Core Tensor API, expanding testing capabilities, and extending linear algebra utilities to enable robust tensor operations in 4C. The changes lay groundwork for easier data import, clearer API boundaries, and stronger numerical validation, improving downstream integration and reliability.
April 2025
3 Commits • 2 Features
Apr 1, 2025April 2025 focused on performance-oriented refinements in 4C, delivering compile-time optimization for fixed-size matrix operations and establishing a benchmark-ready build system. The changes improve computational efficiency for linear algebra workloads, reduce runtime overhead, and provide a reproducible baseline for performance tracking across platforms.
3 Commits • 2 Features
Apr 1, 2025April 2025 focused on performance-oriented refinements in 4C, delivering compile-time optimization for fixed-size matrix operations and establishing a benchmark-ready build system. The changes improve computational efficiency for linear algebra workloads, reduce runtime overhead, and provide a reproducible baseline for performance tracking across platforms.
April 2025
March 2025
17 Commits • 8 Features
Mar 1, 20252025-03 Monthly Summary — 4C-multiphysics/4C Key features delivered and technical achievements focused on expanding capability, stabilizing the codebase, and improving test reliability. Delivered influential elements for coupled solid-poroelastic simulations, consolidated feature parity across frameworks, and reduced legacy debt to streamline future work.
March 2025
17 Commits • 8 Features
Mar 1, 20252025-03 Monthly Summary — 4C-multiphysics/4C Key features delivered and technical achievements focused on expanding capability, stabilizing the codebase, and improving test reliability. Delivered influential elements for coupled solid-poroelastic simulations, consolidated feature parity across frameworks, and reduced legacy debt to streamline future work.
February 2025
25 Commits • 6 Features
Feb 1, 2025February 2025: Delivered major architectural and algorithmic improvements in 4C, focusing on core refactoring, DOF utilities, solid-poro element readiness, boundary condition fixes, and documentation enhancements. Implemented p-v-based Solid-Poro-Scatra element, prepared for solid-poro-p1, and aligned tests with updated elements. Improved code quality, performance, and reproducibility via input cleanups, regex-based value extraction, and reduced copy overhead.
25 Commits • 6 Features
Feb 1, 2025February 2025: Delivered major architectural and algorithmic improvements in 4C, focusing on core refactoring, DOF utilities, solid-poro element readiness, boundary condition fixes, and documentation enhancements. Implemented p-v-based Solid-Poro-Scatra element, prepared for solid-poro-p1, and aligned tests with updated elements. Improved code quality, performance, and reproducibility via input cleanups, regex-based value extraction, and reduced copy overhead.
February 2025
January 2025
24 Commits • 11 Features
Jan 1, 2025January 2025 performance summary for 4C development. Delivered core solid-element extensions (EAS/ANS) with support for shell-wedge6 and modernized element requires; enhanced release engineering with versioning and image tagging policies; completed codebase cleanup and modularization by moving element services to the core and removing legacy constructs; improved solver reliability and test coverage through convergence/reset fixes, centroid update enhancements, and test adaptations; strengthened CI, build performance, and validation standards (clang-tidy, YAML/JSON schema validation), delivering business-value by reducing maintenance costs, accelerating releases, and increasing simulation fidelity.
January 2025
24 Commits • 11 Features
Jan 1, 2025January 2025 performance summary for 4C development. Delivered core solid-element extensions (EAS/ANS) with support for shell-wedge6 and modernized element requires; enhanced release engineering with versioning and image tagging policies; completed codebase cleanup and modularization by moving element services to the core and removing legacy constructs; improved solver reliability and test coverage through convergence/reset fixes, centroid update enhancements, and test adaptations; strengthened CI, build performance, and validation standards (clang-tidy, YAML/JSON schema validation), delivering business-value by reducing maintenance costs, accelerating releases, and increasing simulation fidelity.
December 2024
13 Commits • 4 Features
Dec 1, 2024December 2024 monthly summary for 4C-multiphysics/4C focusing on delivering robust material modeling capabilities, reliability improvements, and business value through targeted fixes and enhancements. Key features and tests were added to support viscoelastic mixtures, an iterative prestress material type, and enhanced tensor operations, alongside cleanup of the mixture module. The CI/CD pipeline was optimized to speed up feedback and improve test reporting, while a concrete linearization bug fix strengthens solver accuracy in the implicit remodel fiber model. These efforts collectively improve material fidelity, test coverage, deployment reliability, and development velocity.
13 Commits • 4 Features
Dec 1, 2024December 2024 monthly summary for 4C-multiphysics/4C focusing on delivering robust material modeling capabilities, reliability improvements, and business value through targeted fixes and enhancements. Key features and tests were added to support viscoelastic mixtures, an iterative prestress material type, and enhanced tensor operations, alongside cleanup of the mixture module. The CI/CD pipeline was optimized to speed up feedback and improve test reporting, while a concrete linearization bug fix strengthens solver accuracy in the implicit remodel fiber model. These efforts collectively improve material fidelity, test coverage, deployment reliability, and development velocity.
December 2024
November 2024
48 Commits • 17 Features
Nov 1, 20244C monthly summary – 2024-11: Delivered significant CI/CD and quality improvements, expanded simulation capabilities with EAS, and automated documentation deployment. Key changes include: reusable configure/build action, separated build/test stages, test chunking, and build caching for faster pipelines; EAS integration (wedge6 solid-shell element and header organization) enabling EAS in tsi simulations; automated documentation workflow with Doxygen/ReadTheDocs and GitHub Pages deployment; code quality upgrades (clang-tidy, verify-headers, GCC 14 migration, pre-commit hash checks); code cleanup and reliability improvements (removing deprecated elements, reducing duplication, stabilizing brittle tests, and correcting PROBLEM TYPE naming across the codebase).
November 2024
48 Commits • 17 Features
Nov 1, 20244C monthly summary – 2024-11: Delivered significant CI/CD and quality improvements, expanded simulation capabilities with EAS, and automated documentation deployment. Key changes include: reusable configure/build action, separated build/test stages, test chunking, and build caching for faster pipelines; EAS integration (wedge6 solid-shell element and header organization) enabling EAS in tsi simulations; automated documentation workflow with Doxygen/ReadTheDocs and GitHub Pages deployment; code quality upgrades (clang-tidy, verify-headers, GCC 14 migration, pre-commit hash checks); code cleanup and reliability improvements (removing deprecated elements, reducing duplication, stabilizing brittle tests, and correcting PROBLEM TYPE naming across the codebase).
October 2024
6 Commits • 3 Features
Oct 1, 2024Monthly summary for 2024-10: Focused on delivering robust data handling in the 4C workflow, improving visibility of performance metrics in CI, and tightening the codebase to reduce technical debt. The work emphasizes business value through more reliable data exchange, faster issue detection, and easier future maintenance.
6 Commits • 3 Features
Oct 1, 2024Monthly summary for 2024-10: Focused on delivering robust data handling in the 4C workflow, improving visibility of performance metrics in CI, and tightening the codebase to reduce technical debt. The work emphasizes business value through more reliable data exchange, faster issue detection, and easier future maintenance.
October 2024
Activity
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Quality Metrics
Correctness91.2%
Maintainability92.4%
Architecture90.0%
Performance84.6%
AI Usage20.0%
Skills & Technologies
Programming Languages
BashCC++CMakeDATDatDataDockerfileDoxygenFortran
Technical Skills
API DesignAlgorithm OptimizationArtifact ManagementAutomatic DifferentiationBash ScriptingBenchmarkingBuild AutomationBuild SystemBuild System ConfigurationBuild System ManagementBuild SystemsC++C++ DevelopmentC++ Template MetaprogrammingC++ Templates
Repositories Contributed To
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