OpenHydroQual is an open-source, agile, and expandable tool for developing models of a wide range of water systems and system optimization. For more information check out www.OpenHydroQual.com.
Source: https://github.com/ArashMassoudieh/OpenHydroQual
Publications:
Shakouri, Behzad, Sudhir Murthy, Haydée De Clippeleir, Keaton Lesnik, and Arash Massoudieh. 2026. “Surrogate Modeling of ASM1 Using Feedforward and LSTM Neural Networks.” Journal of Water Process Engineering 81: 109246. https://doi.org/10.1016/j.jwpe.2026.109246.
Massoudieh, Arash, Khiem Nguyen, and Sudhir Murthy. 2023. “An Extensible, Plugin-Based Tool for Modeling Flow and Reactive Transport in Water Systems.” Environmental Modelling & Software 164: 105707. https://doi.org/10.1016/j.envsoft.2023.105707
Massoudieh, Arash, and Behzad Shakouri. 2025. OpenHydroQual: Theory and Equations Manual. EnviroInformatics, LLC. https://openhydroqual.com/wp-content/UsersManual/OpenHydroQual_User_s_Manual.pdf
The Green Infrastructure Flexible Model (GIFMod) is an open-source framework for modeling urban stormwater and agricultural green infrastructure (GIs) practices. For more information check out www.GIFMod.com.
Source: https://github.com/ArashMassoudieh/GIFMod
Publications:
Alikhani, J., C. Nietch, Jacobs S., Shuster, B., and Massoudieh, A., (2020), Modeling and Design Scenarios Analysis of Long-Term Monitored Bioretention System for Rainfall-Runoff Reduction to Combined Sewer in Cincinnati, OH, Journal of Sustainable water in the build environment, 6(2), 04019016.
Massoudieh, A., M. Maghrebi, B. Kamrani, C. Nietch, M. Tryby, S. Aflaki, S. Panguluri (2017), A flexible modeling framework for hydraulic and water quality performance assessment of stormwater green infrastructure, Environmental Modeling and Software, 92, pp 57–73