24 citations · 57 across the 13 of their papers we have counts for
14 papers
Spatio-Temporal Performance of 2D Local Inertial Hydrodynamic Models for Urban Drainage and Dam-Break Applications
Marcus N. Gomes, Maria A. R. A. Castro, Luis M. R. Castillo +4
Accurate flood modeling is crucial for effective analysis and forecasting. Full momentum hydrodynamic models often require extensive computational time, sometimes exceeding the for…
Modeling and Design Optimization of Looped Water Distribution Networks using MS Excel: Developing the Open-Source X-WHAT Model
Marcus Nóbrega Gomes, Igor Matheus Benites, Salma M. Elsherif +2
Cost-effective water distribution network (WDN) design with acceptable pressure performance is crucial for the management of drinking water in cities. This paper presents a Microso…
Real-time Regulation of Detention Ponds via Feedback Control: Balancing Flood Mitigation and Water Quality
Marcus Nóbrega Gomes, Ahmad F. Taha, Luis Miguel C. Rápallo +2
Detention ponds can mitigate flooding and improve water quality by allowing the settlement of pollutants. Typically, they are operated with fully open orifices and weirs (i.e., pas…
Global Optimization-Based Calibration Algorithm for a 2D Distributed Hydrologic-Hydrodynamic and Water Quality Model
Marcus N. Gomes, Marcio H. Giacomoni, Fabricio A. R. Navarro +1
Hydrodynamic models with rain-on-the-grid capabilities are usually computationally expensive. This makes the use of automatic calibration algorithms hard to apply due to the large…
HydroPol2D -- Distributed Hydrodynamic and Water Quality Model: Challenges and Opportunities in Poorly-Gauged Catchments
Marcus Nóbrega Gomes, César Ambrogi Ferreira do Lago, Luis Miguel Castillo Rápalo +3
Floods are one of the deadliest natural hazards and are fueled by excessive urbanization. Urban development decreases infiltration by reducing pervious areas and increases the accu…
Control-Theoretic Modeling of Multi-Species Water Quality Dynamics in Drinking Water Networks: Survey, Methods, and Test Cases
Salma M. Elsherif, Shen Wang, Ahmad F. Taha +3
Chlorine is a widely used disinfectant and proxy for water quality (WQ) monitoring in water distribution networks (WDN). Chlorine-based WQ regulation and control aims to maintain p…
Flood Risk Mitigation and Valve Control in Stormwater Systems: State-Space Modeling, Control Algorithms, and Case Studies
Marcus N. Gomes Junior, Marcio H. Giacomoni, Ahmad F. Taha +1
The increasing access to non-expensive sensors, computing power, and more accurate forecasting of storm events provides unique opportunities to shift flood management practices fro…
Revisiting the Water Quality Sensor Placement Problem: Optimizing Network Observability and State Estimation Metrics
Ahmad F. Taha, Shen Wang, Yi Guo +4
Real-time water quality (WQ) sensors in water distribution networks (WDN) have the potential to enable network-wide observability of water quality indicators, contamination event d…
Probabilistic State Estimation in Water Networks
Shen Wang, Ahmad F. Taha, Nikolaos Gatsis +2
State estimation in water distribution networks (WDN), the problem of estimating all unknown network heads and flows given select measurements, is challenging due to the nonconvexi…
A New Derivative-Free Linear Approximation for Solving the Network Water Flow Problem with Convergence Guarantees
Shen Wang, Ahmad F. Taha, Lina Sela +2
Addressing challenges in urban water infrastructure systems including aging infrastructure, supply uncertainty, extreme events, and security threats, depend highly on water distrib…
State Estimation in Water Distribution Networks through a New Successive Linear Approximation
Shen Wang, Ahmad F. Taha, Lina Sela +2
State estimation (SE) of water distribution networks (WDNs) is difficult to solve due to nonlinearity/nonconvexity of water flow models, uncertainties from parameters and demands,…
Receding Horizon Control for Drinking Water Networks: The Case for Geometric Programming
Shen Wang, Ahmad F. Taha, Nikolaos Gatsis +1
Optimal, network-driven control of Water Distribution Networks (WDN) is very difficult: valve and pump models form non-trivial, combinatorial logic; hydraulic models are nonconvex;…
Geometric Programming-Based Control for Nonlinear, DAE-Constrained Water Distribution Networks
Shen Wang, Ahmad F. Taha, Nikolaos Gatsis +1
Control of water distribution networks (WDNs) can be represented by an optimization problem with hydraulic models describing the nonlinear relationship between head loss, water flo…
A Fixed-Point Iteration for Steady-State Analysis of Water Distribution Networks
Mohammadhafez Bazrafshan, Nikolaos Gatsis, Marcio Giacomoni +1
This paper develops a fixed-point iteration to solve the steady-state water flow equations in an urban water distribution network. The fixed-point iteration is derived upon the ass…