2025 CFSEI EXPO | MAY 19-21, 2025 | RALEIGH, NORTH CAROLINA

Microsoft .NET Open-Source AISI S100-16 Package

Emerging Technologies

AIAAn effort is underway to develop Microsoft .NET open-source software representations of cold-formed steel codes and standards. The packages are written in the building construction industry favorite C# programming language and they are now becoming available for any person or company around the world who is developing cold-formed steel design software.

In this presentation we will focus on a new version of AISI S240 that is ‘machine-readable’ and defines classes and methods for each equation and table. A software developer can conveniently call this package and use its methods or functions. Optimized for production, the output of each function call contains direct references to the AISI S240 resource used. Thorough unit testing is provided to give confidence and demonstrate accuracy. Updates and revisions can be easily implemented and distributed with git version control.

Providing machine-readable versions of codes and standards should be a top priority for governing code bodies and industries like cold-formed steel framing to support the growing demand for design and analysis automation. Fast, reliable, accessible software drives market opportunity. This presentation will provide a high-level summary of the software package and show some implementation examples. https://github.com/runtosolve/AISI.S240.DotNet

Cristopher D. Moen

Cristopher D. Moen, Ph.D., P.E., F.SEI
RunToSolve LLC

Cris Moen is CEO and President of RunToSolve LLC, a software R&D company founded in 2019 that specializing in structural system analysis and design automation.

Cris started his career as a bridge engineer at J. Muller International (1997-2002) and Parsons Corporation (2002-2004). He completed his Ph.D. at Johns Hopkins University (2004-2008) focusing on thin-walled structures and cold-formed steel, working up to Associate Professor at Virginia Tech (2008-2016), and since 2017 has served as a part-time faculty member at Johns Hopkins University. From 2013 to 2018 Cris was CEO of NBM Technologies, Inc., an academically-rooted engineering consulting company that completed over 100 projects across building construction, solar, and aerospace industry sectors.

Chu Ding

Chu Ding, Ph.D., P.E.
RunToSolve LLC

Chu is a consultant at RunToSolve, LLC. He has years of design experience in light-frame construction and specializes in engineering software development. He has developed his expertise in advanced high strength steel from his PhD research at Johns Hopkins University. As a licensed Professional Engineer, he has been involved with several high-profile mix-use/multi-family projects in DC metro region including The Wharf DC and The Parks at Walter Reed. He enjoys exploring and implementing new technologies in AEC space and is a member of the winning team at 2024 AEC Tech Hackathon at NYC.

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