Winter 2023-24 Swanson School Department of Civil & Environmental Engineering Newsletter

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CEE NEWS WINTER 2023/2024

C I V I L & E N V I R O N M E N TA L ENGINEERING

Annual Publication of the University of Pittsburgh Swanson School of Engineering

Predicting How Climate Change Affects Infrastructure Without Damaging the Subject

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igital twins are models that serve as a real-time computational counterpart can be used to help simulate the effects of multiple types of conditions, such as weather, traffic, and even climate change. Still, life-cycle assessments (LCAs) of climate change’s effects on infrastructure are a work-in-progress, leaving a need for a comprehensive view on how this can impact a building’s daily function. A team from the Department of Civil and Engineering received $735,872 from the National Science Foundation to develop a digital twin of the Mascaro Center for Sustainable Innovation (MCSI), a university-wide sustainability center connected to Pitt’s engineering school in Benedum Hall, to help forecast and mitigate future climate change consequences on infrastructure. “Understanding this complex relationship between environmental demand and performance of vertical infrastructure will help us develop response strategies and unlock advanced climate adaptation with the ultimate goal of minimizing energy consumption and greenhouse gas emissions,” said Assistant Professor Alessandro Fascetti, who will be principal investigator.

By developing a digital twin, Fascetti, along with Melissa Bilec, co-principal investigator, William Kepler Whiteford Professor and director of MCSI; and John Brigham, associate professor of civil and environmental engineering, can develop, implement and validate a framework for realtime monitoring of and predictions for the MCSI building.

The research team will leverage extensive backgrounds in dynamic LCAs, material flow analysis, reality capture, adaptive building envelopes, mechanic-based design optimization, artificial intelligence, and mechanistic machine learning to develop a new holistic frame for the assessment and prediction of the performance of vertical infrastructure throughout their life cycle.

The MCSI building, a LEED gold-certified facility constructed in 2007, is equipped with an advanced energy consumption and indoor air quality sensing system developed in part through Bilec’s research in life-cycle assessment. In addition to building automation systems and metering common to other Pitt structures, detailed electrical consumption is sensed with multiple panel-based electrical meters and Heating, Ventilation, Air Conditions system flowmeters, while Indoor Environment Quality (IEQ) data is collected using the AirCuity OptiNet System, an indoor air quality sensing system that features a central sensor suite and unique structured cables housing air sampling tubes and control wires.

“Because of the diverse streams of data we can obtain in real-time from the MCSI, we’ll be able to focus on developing a novel digital twin framework for the quantification of GHG emissions associated with the operation of vertical infrastructure to minimize its environmental footprint by designing and deploying environmentally responsive building envelopes,” Fascetti said.

A Real-Time Look into Understanding and Slowing Climate Change Though we live in an increasingly industrialized, urban world, construction of both horizontal and vertical infrastructure is one of the major sources of greenhouse gas emissions (GHG).

engineering.pitt.edu/civil

The project, “CLIMA: A Digital Twin Modeling Framework for Climate Adaptive Vertical Infrastructure,” is set to begin in January 2024.


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