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Prof. Mario Maiolo
University of Calabria

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0 Natural Hazard
0 environmental monitoring and modeling
0 urban water management
0 Smart Water Management
0 coastal environment

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Journal article
Published: 26 June 2021 in Water
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Vulnerability of drinking water supply systems (DWSSs) depends on different factors such as failures, loss of security, man-made threats, and the change and deterioration of supply-water quality. Currently, the lifespan of several DWSSs worldwide has been exceeded, exasperating these issues. The monitoring activity and the transparency of information on water availability and quality are becoming increasingly important in accordance with the national regulations and standards, and with guidelines of the World Health Organization (WHO). These activities can be considered as support and guidance tools for identifying health-related risks, for building a safe management of drinking water supply systems, and for improved user confidence in the consumption of tap water. In this context, in the present work an analysis of the quality monitoring data of DWSSs was carried out using multivariate techniques. The analysis considered several chemical–physical parameters collected in the period 2013–2020 for some DWSSs in the Emilia-Romagna region, Italy. Principal component analysis (PCA) and cluster analysis (CA) methods were used to process and reduce the dimensionality of the data, to highlight the parameters that have the greatest influence on the qualitative state of the supplied water and to identify clusters.

ACS Style

Mario Maiolo; Daniela Pantusa. Multivariate Analysis of Water Quality Data for Drinking Water Supply Systems. Water 2021, 13, 1766 .

AMA Style

Mario Maiolo, Daniela Pantusa. Multivariate Analysis of Water Quality Data for Drinking Water Supply Systems. Water. 2021; 13 (13):1766.

Chicago/Turabian Style

Mario Maiolo; Daniela Pantusa. 2021. "Multivariate Analysis of Water Quality Data for Drinking Water Supply Systems." Water 13, no. 13: 1766.

Journal article
Published: 06 December 2020 in Sustainability
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Electrical and energy production have a noticeable water footprint, and buildings′ share of global energy consumption is about 40%. This study presents a comprehensive experimental analysis of different thermal impacts and water consumption of green roofs in a Mediterranean climate. The study aims to investigate the use of water directly for green roofs and reduce the water footprint of energy in summer and winter due to its thermal impacts. The measurements were carried out for an extensive green roof with an area of 55 m2 and a thickness of 22 cm, and direct water consumption by a green roof and direct and indirect water consumption by cooling and heating systems were analyzed. According to the analysis, in summer, the maximum roof temperature on a conventional roof was 72 °C, while under the green roof it was 30.3 °C. In winter, the minimum roof temperature on a conventional roof was −8.6 °C, while under the green roof it was 7.4 °C. These results show that green roofs affect energy consumption in summer and winter, and the corresponding thermal requirements for the building have a water footprint regarding energy production. In summer, the thermal reduction in the water footprint by a green roof was 48 m3 if an evaporative air conditioner is used and 8.9 m3 for a compression air conditioner, whereas the water consumed in the green roof was 8.2 m3. Therefore, using water directly in the green roof would reduce the energy consumption in buildings, and thus less water has to be used in power plants to provide the same thermal impact. In winter, green roofs′ water consumption was higher than the thermal water footprint; however, there is no need to irrigate the green roof as the water consumed comes from precipitation. This experimental analysis determines that in the Mediterranean climate, green roofs allow the achievement of the same thermal conditions for buildings in both summer and winter, with a reduction in water consumption.

ACS Style

Behrouz Pirouz; Stefania Palermo; Mario Maiolo; Natale Arcuri; Patrizia Piro. Decreasing Water Footprint of Electricity and Heat by Extensive Green Roofs: Case of Southern Italy. Sustainability 2020, 12, 10178 .

AMA Style

Behrouz Pirouz, Stefania Palermo, Mario Maiolo, Natale Arcuri, Patrizia Piro. Decreasing Water Footprint of Electricity and Heat by Extensive Green Roofs: Case of Southern Italy. Sustainability. 2020; 12 (23):10178.

Chicago/Turabian Style

Behrouz Pirouz; Stefania Palermo; Mario Maiolo; Natale Arcuri; Patrizia Piro. 2020. "Decreasing Water Footprint of Electricity and Heat by Extensive Green Roofs: Case of Southern Italy." Sustainability 12, no. 23: 10178.

Focus
Published: 29 October 2020 in Soft Computing
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In many cases occurring in the real world and studied in science and engineering, non-homogeneous fractal forms often emerge with striking characteristics of cyclicity or periodicity. The authors, for example, have repeatedly traced these characteristics in hydrological basins, hydraulic networks, water demand, and various datasets. But, unfortunately, today we do not yet have well-developed and at the same time simple-to-use mathematical models that allow, above all scientists and engineers, to interpret these phenomena. An interesting idea was firstly proposed by Sergeyev in 2007 under the name of “blinking fractals.” In this paper we investigate from a pure geometric point of view the fractal properties, with their computational aspects, of two main examples generated by a system of multiple rules and which are enlightening for the theme. Strengthened by them, we then propose an address for an easy formalization of the concept of blinking fractal and we discuss some possible applications and future work.

ACS Style

Fabio Caldarola; Mario Maiolo. On the topological convergence of multi-rule sequences of sets and fractal patterns. Soft Computing 2020, 24, 17737 -17749.

AMA Style

Fabio Caldarola, Mario Maiolo. On the topological convergence of multi-rule sequences of sets and fractal patterns. Soft Computing. 2020; 24 (23):17737-17749.

Chicago/Turabian Style

Fabio Caldarola; Mario Maiolo. 2020. "On the topological convergence of multi-rule sequences of sets and fractal patterns." Soft Computing 24, no. 23: 17737-17749.

Journal article
Published: 13 October 2020 in Water
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The real-time control (RTC) system is a valid and cost-effective solution for urban stormwater management. This paper aims to evaluate the beneficial effect on urban flooding risk mitigation produced by applying RTC techniques to an urban drainage network by considering different control configuration scenarios. To achieve the aim, a distributed real-time system, validated in previous studies, was considered. This approach uses a smart moveable gates system, controlled by software agents, managed by a swarm intelligence algorithm. By running the different scenarios by a customized version of the Storm Water Management Model (SWMM), the findings obtained show a redistribution of conduits filling degrees, exploiting the whole system storage capacity, with a significant reduction of node flooding and total flood volume.

ACS Style

Mario Maiolo; Stefania Anna Palermo; Anna Chiara Brusco; Behrouz Pirouz; Michele Turco; Andrea Vinci; Giandomenico Spezzano; Patrizia Piro. On the Use of a Real-Time Control Approach for Urban Stormwater Management. Water 2020, 12, 2842 .

AMA Style

Mario Maiolo, Stefania Anna Palermo, Anna Chiara Brusco, Behrouz Pirouz, Michele Turco, Andrea Vinci, Giandomenico Spezzano, Patrizia Piro. On the Use of a Real-Time Control Approach for Urban Stormwater Management. Water. 2020; 12 (10):2842.

Chicago/Turabian Style

Mario Maiolo; Stefania Anna Palermo; Anna Chiara Brusco; Behrouz Pirouz; Michele Turco; Andrea Vinci; Giandomenico Spezzano; Patrizia Piro. 2020. "On the Use of a Real-Time Control Approach for Urban Stormwater Management." Water 12, no. 10: 2842.

Journal article
Published: 24 September 2020 in Water
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Sea hazards are increasingly threatening worldwide coastal areas, which are among the most strategic resources of the Earth in supporting human population, economy and the environment. These hazards enhance erosion processes and flooding events, producing severe socio-economic impacts and posing a challenge to ocean engineers and stakeholders in finding the optimal strategy to protect both the coastal communities and the health of the environment. The impact of coastal hazards is actually worsened not only by an enhancing rate of relative sea level rise and storminess driven by climate changes, but also by increasing urban pressure related to the development of the sea economy. With regard to larger environmental awareness and climate change adaptation needs, the present study focuses on a stepwise approach that supports the actions for coastal protection at Calabaia Beach, which is located in the Marine Experimental Station of Capo Tirone (Cosenza, Italy). These actions first aim to protect humans and coastal assets, then to restore the environment and the local habitat, overcoming the need for the emergency interventions carried out in the last decades and pointing out that healthy ecosystems are more productive and support a sustainable marine economy (“Blue Growth”).

ACS Style

Mario Maiolo; Riccardo Alvise Mel; Salvatore Sinopoli. A Stepwise Approach to Beach Restoration at Calabaia Beach. Water 2020, 12, 2677 .

AMA Style

Mario Maiolo, Riccardo Alvise Mel, Salvatore Sinopoli. A Stepwise Approach to Beach Restoration at Calabaia Beach. Water. 2020; 12 (10):2677.

Chicago/Turabian Style

Mario Maiolo; Riccardo Alvise Mel; Salvatore Sinopoli. 2020. "A Stepwise Approach to Beach Restoration at Calabaia Beach." Water 12, no. 10: 2677.

Journal article
Published: 03 September 2020 in Sustainability
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At the outlet of the Vermicelli catchment—a peri-urban area located in the campus of University of Calabria (Cosenza, Southern Italy)—a sedimentation tank is located, aiming at collecting the basin surface runoff and improve its quality. First, experimental results of the treatment effects are here presented and analyzed. In addition, a monitoring campaign was conducted in order to characterize the particles transported by surface runoff and to determine the treatment efficiency of the tank. The analysis showed the presence of a pollutant load in the surface runoff of the Vermicelli basin and provided information on its particle-size distribution (PSD). Results were considered in terms of the treatment efficiency of the sedimentation tank, showing a good overall removal efficiency value, together with a high variability of the removal sedimentation efficiency. This variability is mainly due to the different grain size of the suspended solids and the characteristics of the rainfall event.

ACS Style

Salvatore Falco; Giuseppe Brunetti; Giovanna Grossi; Mario Maiolo; Michele Turco; Patrizia Piro. Solids Removal Efficiency of a Sedimentation Tank in a Peri-Urban Catchment. Sustainability 2020, 12, 7196 .

AMA Style

Salvatore Falco, Giuseppe Brunetti, Giovanna Grossi, Mario Maiolo, Michele Turco, Patrizia Piro. Solids Removal Efficiency of a Sedimentation Tank in a Peri-Urban Catchment. Sustainability. 2020; 12 (17):7196.

Chicago/Turabian Style

Salvatore Falco; Giuseppe Brunetti; Giovanna Grossi; Mario Maiolo; Michele Turco; Patrizia Piro. 2020. "Solids Removal Efficiency of a Sedimentation Tank in a Peri-Urban Catchment." Sustainability 12, no. 17: 7196.

Focus
Published: 29 August 2020 in Soft Computing
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Fibonacci numbers are the basis of a new geometric construction that leads to the definition of a family $$\{C_n:n\in \mathbb {N}\}$$ { C n : n ∈ N } of octagons that come very close to the regular octagon. Such octagons, in some previous articles, have been given the name of Carboncettus octagons for historical reasons. Going further, in this paper we want to introduce and investigate some algebraic constructs that arise from the family $$\{C_n:n\in \mathbb {N}\}$$ { C n : n ∈ N } and therefore from Fibonacci numbers: From each Carboncettus octagon $$C_n$$ C n , it is possible to obtain an infinite (right) word $$W_n$$ W n on the binary alphabet $$\{0,1\}$$ { 0 , 1 } , which we will call the nth Carboncettus word. The main theorem shows that all the Carboncettus words thus defined are Sturmian words except in the case $$n=5$$ n = 5 . The fifth Carboncettus word $$W_5$$ W 5 is in fact the only word of the family to be purely periodic: It has period 17 and periodic factor 000 100 100 010 010 01. Finally, we also define a further word $$W_{\infty }$$ W ∞ named the Carboncettus limit word and, as second main result, we prove that the limit of the sequence of Carboncettus words is $$W_{\infty }$$ W ∞ itself.

ACS Style

Fabio Caldarola; Gianfranco D’Atri; Mario Maiolo; Giuseppe Pirillo. New algebraic and geometric constructs arising from Fibonacci numbers. Soft Computing 2020, 24, 1 -12.

AMA Style

Fabio Caldarola, Gianfranco D’Atri, Mario Maiolo, Giuseppe Pirillo. New algebraic and geometric constructs arising from Fibonacci numbers. Soft Computing. 2020; 24 (23):1-12.

Chicago/Turabian Style

Fabio Caldarola; Gianfranco D’Atri; Mario Maiolo; Giuseppe Pirillo. 2020. "New algebraic and geometric constructs arising from Fibonacci numbers." Soft Computing 24, no. 23: 1-12.

Journal article
Published: 06 August 2020 in Water
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In the analysis of drinking Water Distribution Networks (WDNs), performance indices are widely used tools for obtaining synthetic information about the WDN operating regime (pressures and flows). This paper presents applications of a series of local surplus indices that act in a new mathematical framework. This framework allows reworking many well-known performance and energetic indices and simultaneously allowing analysis of specific aspects of the WDN. The analyses are carried out using different resolutive hydraulic approaches: the Demand-Driven Analysis (DDA) and the Pressure-Driven Analysis (PDA), typical of software such as EPANET and WaterNetGen. The authors analyse the hypotheses necessary for the application of these models, and how these influence the results of both the hydraulic modeling and the resilience indices assessment. In particular, two resilience indices are reformulated through the new local surplus indices and all of them are then simulated in different conditions for a water network known in literature as the Kang and Lansey WDN. The solving model assumption effects are deepen, reporting graphical and numerical results for different consumption scenarios and the different hydraulic approaches used.

ACS Style

Marco Amos Bonora; Fabio Caldarola; Mario Maiolo. A New Set of Local Indices Applied to a Water Network through Demand and Pressure Driven Analysis (DDA and PDA). Water 2020, 12, 2210 .

AMA Style

Marco Amos Bonora, Fabio Caldarola, Mario Maiolo. A New Set of Local Indices Applied to a Water Network through Demand and Pressure Driven Analysis (DDA and PDA). Water. 2020; 12 (8):2210.

Chicago/Turabian Style

Marco Amos Bonora; Fabio Caldarola; Mario Maiolo. 2020. "A New Set of Local Indices Applied to a Water Network through Demand and Pressure Driven Analysis (DDA and PDA)." Water 12, no. 8: 2210.

Journal article
Published: 12 July 2020 in Journal of Marine Science and Engineering
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Erosion processes threaten the economy, the environment and the ecosystem of coastal areas. In addition, human action can significantly affect the characteristics of the soil and the landscape of the shoreline. In this context, pursuing environmental sustainability is of paramount importance in solving environmental degradation of coastal areas worldwide, with particular reference to the design of complex engineering structures. Among all the measures conceived to protect the shoreline, environmentally friendly interventions should be supported by the stakeholders and tested by means of mathematical models, in order to evaluate their effectiveness in coastal protection through the evaluation of wave damping and bedload. This study focuses on protected nourishments, as strategic interventions aimed to counteract coastal erosion without affecting the environment. Here, we develop a simplified method to provide a preliminary assessment of the efficiency of submerged breakwaters in reducing wave energy at a relatively low computational cost, if compared to the standard 2D or full 3D mathematical models. The methodology is applied at Calabaia Beach, located in the southern Tyrrhenian Sea (Italy), in the area of the Marine Experimental Station of Capo Tirone. The results show that the simplified method is proven to be an essential tool in assisting researchers and institutions to address the effects of submerged breakwaters on nourishment protection.

ACS Style

Mario Maiolo; Riccardo Alvise Mel; Salvatore Sinopoli. A Simplified Method for an Evaluation of the Effect of Submerged Breakwaters on Wave Damping: The Case Study of Calabaia Beach. Journal of Marine Science and Engineering 2020, 8, 510 .

AMA Style

Mario Maiolo, Riccardo Alvise Mel, Salvatore Sinopoli. A Simplified Method for an Evaluation of the Effect of Submerged Breakwaters on Wave Damping: The Case Study of Calabaia Beach. Journal of Marine Science and Engineering. 2020; 8 (7):510.

Chicago/Turabian Style

Mario Maiolo; Riccardo Alvise Mel; Salvatore Sinopoli. 2020. "A Simplified Method for an Evaluation of the Effect of Submerged Breakwaters on Wave Damping: The Case Study of Calabaia Beach." Journal of Marine Science and Engineering 8, no. 7: 510.

Article
Published: 03 June 2020 in Mediterranean Journal of Mathematics
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The Peano and the Hilbert curves, denoted by P and H respectively, are historically the first and some of the best known space-filling curves. They have a fractal structure, many variants (as the well-known Moore curve M or a probably new “looped” version \({\overline{H}}\) of H), and a huge number of applications in the most diverse fields of mathematics and experimental sciences. In this paper, we employ a recently proposed computational system, allowing numerical calculations with infinite and infinitesimal numbers, to investigate the behavior of such curves and to highlight the differences with the classical treatment. In particular, we perform several types of computations and give many examples based not only on the curves H and P, but also on their d-dimensional versions \(H^d\) and \(P^d\), respectively. Following our approach, it is easy to apply this new computational methodology to many other geometrical contexts, with interesting advantages such as summarizing in a single (infinite) number, representing the final result of a sequence of computations, much information both on the geometrical meaning of such a sequence and on the base geometrical structure itself.

ACS Style

Luigi Antoniotti; Fabio Caldarola; Mario Maiolo. Infinite Numerical Computing Applied to Hilbert’s, Peano’s, and Moore’s Curves. Mediterranean Journal of Mathematics 2020, 17, 1 -19.

AMA Style

Luigi Antoniotti, Fabio Caldarola, Mario Maiolo. Infinite Numerical Computing Applied to Hilbert’s, Peano’s, and Moore’s Curves. Mediterranean Journal of Mathematics. 2020; 17 (3):1-19.

Chicago/Turabian Style

Luigi Antoniotti; Fabio Caldarola; Mario Maiolo. 2020. "Infinite Numerical Computing Applied to Hilbert’s, Peano’s, and Moore’s Curves." Mediterranean Journal of Mathematics 17, no. 3: 1-19.

Journal article
Published: 29 February 2020 in Sustainability
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The role of the industrial sector in total greenhouse gas (GHG) emissions and resource consumption is well-known, and many industrial activities may have a negative environmental impact. The solution to decreasing the negative effects cannot be effective without the consideration of sustainable development. There are several methods for sustainability evaluation, such as tools based on products, processes, or plants besides supply chain or life cycle analysis, and there are different rating systems suggesting 80, 140, or more indicators for assessment. The critical point is the limits such as required techniques and budget in using all indicators for all factories in the beginning. Moreover, the weight of each indicator might change based on the selected alternative that it is not a fixed value and could change in a new case study. In this regard, to determine the impact and weight of different indicators in sustainable factories, a multi-layer Triangular Fuzzy Analytic Hierarchy Process (TFAHP) approach was developed, and the application of the method was described and verified. The defined layers are six; for each layer, the pairwise comparison matrix was developed, and the total aggregated score concerning the sustainability goal for each alternative was calculated that shows the Relative Importance Coefficient (RIC). The method is formulated in a way that allows adding the new indicators in all layers as the verification shows, and thus, there are no limits for using any green rating systems. Therefore, the presented approach by TFAHP would provide an additional tool toward the sustainable development of factories.

ACS Style

Behrouz Pirouz; Natale Arcuri; Behzad Pirouz; Stefania Anna Palermo; Michele Turco; Mario Maiolo. Development of an Assessment Method for Evaluation of Sustainable Factories. Sustainability 2020, 12, 1841 .

AMA Style

Behrouz Pirouz, Natale Arcuri, Behzad Pirouz, Stefania Anna Palermo, Michele Turco, Mario Maiolo. Development of an Assessment Method for Evaluation of Sustainable Factories. Sustainability. 2020; 12 (5):1841.

Chicago/Turabian Style

Behrouz Pirouz; Natale Arcuri; Behzad Pirouz; Stefania Anna Palermo; Michele Turco; Mario Maiolo. 2020. "Development of an Assessment Method for Evaluation of Sustainable Factories." Sustainability 12, no. 5: 1841.

Conference paper
Published: 14 February 2020 in Transactions on Petri Nets and Other Models of Concurrency XV
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Immission of civil sewage into sea is realized to complete the onshore depurative process or to take out the already purified waste-water from the bathing area, ensuring a good perceived seawater quality. Anyhow the compliance of the pollutant concentrations limits is necessary to ensure safe bathing. The design of submarine pipes is usually completed contemplating a diffuser with a series of ports for the repartition of the wastewater discharge. The real process of pollutants diffusion into the sea, simulated with complex diffusion-dispersion models in a motion-field dependent from environmental conditions and drift speeds, affect the submarine pipe design. A design optimization procedure has been realized for the marine outfall pipe-diffuser system using a simplified zone model, subjected to a sensitivity analysis on the characteristic parameter. The method is shown using an example project for the submarine outfall at service for the sewage treatment plant of Belvedere Marittimo, on the southern Tyrrhenian Sea in Italy.

ACS Style

Salvatore Sinopoli; Marco Amos Bonora; Gilda Capano; Manuela Carini; Daniela Pantusa; Mario Maiolo. Optimization of Submarine Outfalls with a Multiport Diffuser Design. Transactions on Petri Nets and Other Models of Concurrency XV 2020, 604 -618.

AMA Style

Salvatore Sinopoli, Marco Amos Bonora, Gilda Capano, Manuela Carini, Daniela Pantusa, Mario Maiolo. Optimization of Submarine Outfalls with a Multiport Diffuser Design. Transactions on Petri Nets and Other Models of Concurrency XV. 2020; ():604-618.

Chicago/Turabian Style

Salvatore Sinopoli; Marco Amos Bonora; Gilda Capano; Manuela Carini; Daniela Pantusa; Mario Maiolo. 2020. "Optimization of Submarine Outfalls with a Multiport Diffuser Design." Transactions on Petri Nets and Other Models of Concurrency XV , no. : 604-618.

Conference paper
Published: 14 February 2020 in Transactions on Petri Nets and Other Models of Concurrency XV
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Very recently, a new set of local performance indices has been proposed for an urban water supply system together with a useful mathematical model or, better, framework that organizes and provides the tools to treat the complex of these local parameters varying from node to node. In this paper, such indices are considered and examined in relation to hydraulic software using Demand Driven Analysis (DDA) or Pressure Driven Analysis (PDA). We investigate the needed hypotheses to obtain effective numerical simulations employing, in particular, EPANET or WaterNetGen, and the concrete applicability to a real water supply system known in literature as the KL network.

ACS Style

Marco Amos Bonora; Fabio Caldarola; João Muranho; Joaquim Sousa; Mario Maiolo. Numerical Experimentations for a New Set of Local Indices of a Water Network. Transactions on Petri Nets and Other Models of Concurrency XV 2020, 495 -505.

AMA Style

Marco Amos Bonora, Fabio Caldarola, João Muranho, Joaquim Sousa, Mario Maiolo. Numerical Experimentations for a New Set of Local Indices of a Water Network. Transactions on Petri Nets and Other Models of Concurrency XV. 2020; ():495-505.

Chicago/Turabian Style

Marco Amos Bonora; Fabio Caldarola; João Muranho; Joaquim Sousa; Mario Maiolo. 2020. "Numerical Experimentations for a New Set of Local Indices of a Water Network." Transactions on Petri Nets and Other Models of Concurrency XV , no. : 495-505.

Conference paper
Published: 14 February 2020 in Transactions on Petri Nets and Other Models of Concurrency XV
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The correct management of urban water networks have to be supported by monitoring and estimating water quality. The infrastructure maintenance status and the possibility of a prevention plan availability influence the potential risk of contamination. In this context, the Contamination Source Identification (CSI) models aim to identify the contamination source starting from the concentration values referring to the nodes. This paper proposes a methodology based on Dynamics of Network Pollution (DNP). The DNP approach, linked to the pollution matrix and the incidence matrix, allows a topological analysis on the network structure in order to identify the nodes and paths most sensitive to contamination, namely those that favor a more critical diffusion of the introduced contaminant. The procedure is proposed with the aim of optimally identifying the potential contamination points. By simulating the contamination of a synthetic network, using a bottom-up approach, an optimized procedure is defined to trace back to the chosen node as the most probable contamination source.

ACS Style

Gilda Capano; Marco Amos Bonora; Manuela Carini; Mario Maiolo. Identification of Contamination Potential Source (ICPS): A Topological Approach for the Optimal Recognition of Sensitive Nodes in a Water Distribution Network. Transactions on Petri Nets and Other Models of Concurrency XV 2020, 525 -536.

AMA Style

Gilda Capano, Marco Amos Bonora, Manuela Carini, Mario Maiolo. Identification of Contamination Potential Source (ICPS): A Topological Approach for the Optimal Recognition of Sensitive Nodes in a Water Distribution Network. Transactions on Petri Nets and Other Models of Concurrency XV. 2020; ():525-536.

Chicago/Turabian Style

Gilda Capano; Marco Amos Bonora; Manuela Carini; Mario Maiolo. 2020. "Identification of Contamination Potential Source (ICPS): A Topological Approach for the Optimal Recognition of Sensitive Nodes in a Water Distribution Network." Transactions on Petri Nets and Other Models of Concurrency XV , no. : 525-536.

Conference paper
Published: 14 February 2020 in Transactions on Petri Nets and Other Models of Concurrency XV
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A smart management of water distribution networks requires the infrastructure to be operated with high efficiency. For many years the hydraulic modelling of water distribution networks has been conditioned by the scarce availability of quality data but the technological advances contributed to overcome this drawback. The present work describes the research activity carried out about water distribution network modelling, focusing on model construction and calibration. For this purpose, WaterNetGen, an extension of the Epanet hydraulic simulation software, has been used. EPANET simulation model assumes that the required water demand is always fully satisfied regardless the pressure (Demand Driven Analysis - DDA), while WaterNetGen has a new solver assuming that the required water demand is only fully satisfied if the pressure conditions are adequate (Pressure Driven Analysis - PDA). A comparison between the software outputs is the starting point for a new method of allocating and distributing water demand and water losses along the network, leading to model results closer to the measurements obtained in the real network. The case study is the water distribution network of the municipality of Nicotera, in Southern Italy.

ACS Style

Marco Amos Bonora; Manuela Carini; Gilda Capano; Rocco Cotrona; Daniela Pantusa; Joaquim Sousa; Mario Maiolo. Performance Management of Demand and Pressure Driven Analysis in a Monitored Water Distribution Network. Transactions on Petri Nets and Other Models of Concurrency XV 2020, 506 -516.

AMA Style

Marco Amos Bonora, Manuela Carini, Gilda Capano, Rocco Cotrona, Daniela Pantusa, Joaquim Sousa, Mario Maiolo. Performance Management of Demand and Pressure Driven Analysis in a Monitored Water Distribution Network. Transactions on Petri Nets and Other Models of Concurrency XV. 2020; ():506-516.

Chicago/Turabian Style

Marco Amos Bonora; Manuela Carini; Gilda Capano; Rocco Cotrona; Daniela Pantusa; Joaquim Sousa; Mario Maiolo. 2020. "Performance Management of Demand and Pressure Driven Analysis in a Monitored Water Distribution Network." Transactions on Petri Nets and Other Models of Concurrency XV , no. : 506-516.

Conference paper
Published: 14 February 2020 in The Semantic Web
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The concept of infinity had, in ancient times, an indistinguishable development between mathematics and philosophy. We could also say that his real birth and development was in Magna Graecia, the ancient South of Italy, and it is surprising that we find, in that time, a notable convergence not only of the mathematical and philosophical point of view, but also of what resembles the first “computational approach” to “infinitely” or very large numbers by Archimedes. On the other hand, since the birth of philosophy in ancient Greece, the concept of infinite has been closely linked with that of contradiction and, more precisely, with the intellectual effort to overcome contradictions present in an account of Totality as fully grounded. The present work illustrates the ontological and epistemological nature of the paradoxes of the infinite, focusing on the theoretical framework of Aristotle, Kant and Hegel, and connecting the epistemological issues about the infinite to concepts such as the continuum in mathematics.

ACS Style

Fabio Caldarola; Domenico Cortese; Gianfranco D’Atri; Mario Maiolo. Paradoxes of the Infinite and Ontological Dilemmas Between Ancient Philosophy and Modern Mathematical Solutions. The Semantic Web 2020, 358 -372.

AMA Style

Fabio Caldarola, Domenico Cortese, Gianfranco D’Atri, Mario Maiolo. Paradoxes of the Infinite and Ontological Dilemmas Between Ancient Philosophy and Modern Mathematical Solutions. The Semantic Web. 2020; ():358-372.

Chicago/Turabian Style

Fabio Caldarola; Domenico Cortese; Gianfranco D’Atri; Mario Maiolo. 2020. "Paradoxes of the Infinite and Ontological Dilemmas Between Ancient Philosophy and Modern Mathematical Solutions." The Semantic Web , no. : 358-372.

Conference paper
Published: 14 February 2020 in Transactions on Petri Nets and Other Models of Concurrency XV
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Very recently, a new set of local indices for urban water networks has been proposed by the authors, within a mathematical framework which is unprecedented for this field, as far as we know. Such indices can be viewed as the “elementary bricks” that can be used to construct as many global (and local) indices as one needs or wants, where the glue, or mortar, is given by the mathematical tools of the aforementioned framework coming mostly from linear algebra and vector analysis. In this paper, after a brief description of the setting as explained above, we recover, through new formulations, some well-known global indicators like the resilience index \(I_r\) introduced by Todini. Then we also give some explicit numerical computations and examples, sometimes with the help of the hydraulic software EPANET 2.0.12.

ACS Style

Fabio Caldarola; Mario Maiolo. Algebraic Tools and New Local Indices for Water Networks:Some Numerical Examples. Transactions on Petri Nets and Other Models of Concurrency XV 2020, 517 -524.

AMA Style

Fabio Caldarola, Mario Maiolo. Algebraic Tools and New Local Indices for Water Networks:Some Numerical Examples. Transactions on Petri Nets and Other Models of Concurrency XV. 2020; ():517-524.

Chicago/Turabian Style

Fabio Caldarola; Mario Maiolo. 2020. "Algebraic Tools and New Local Indices for Water Networks:Some Numerical Examples." Transactions on Petri Nets and Other Models of Concurrency XV , no. : 517-524.

Conference paper
Published: 14 February 2020 in Transactions on Petri Nets and Other Models of Concurrency XV
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Defining criteria for correct distribution of water resource is a common engineering problem. Stringent regulations on environmental impacts underline the need for sustainable management and planning of this resource usage, which is sensitive to many parameters. Optimization models are often used to deal with these problems, identifying the optimal configuration of a Water Distribution Network (WDN) in terms of minimizing an appropriate function propotional to he construction cost of the WDN. Generally, this cost function increases as the distance between the source-user connection increases, therefore in minimum cost optimization models is important to identify minimum source-user paths compatible with the orography. In this direction, the methodology presented in the present work proposes a useful approach to find minimum-length paths on surfaces, which moreover respect suitable hydraulic constraints and are therefore representative of reliable gravity water pipelines. The application of the approach is presented in a real case in Calabria.

ACS Style

Mario Maiolo; Joaquim Sousa; Manuela Carini; Francesco Chiaravalloti; Marco Amos Bonora; Gilda Capano; Daniela Pantusa. Optimization Model for Water Distribution Network Planning in a Realistic Orographic Framework. Transactions on Petri Nets and Other Models of Concurrency XV 2020, 545 -556.

AMA Style

Mario Maiolo, Joaquim Sousa, Manuela Carini, Francesco Chiaravalloti, Marco Amos Bonora, Gilda Capano, Daniela Pantusa. Optimization Model for Water Distribution Network Planning in a Realistic Orographic Framework. Transactions on Petri Nets and Other Models of Concurrency XV. 2020; ():545-556.

Chicago/Turabian Style

Mario Maiolo; Joaquim Sousa; Manuela Carini; Francesco Chiaravalloti; Marco Amos Bonora; Gilda Capano; Daniela Pantusa. 2020. "Optimization Model for Water Distribution Network Planning in a Realistic Orographic Framework." Transactions on Petri Nets and Other Models of Concurrency XV , no. : 545-556.

Conference paper
Published: 14 February 2020 in Automata, Languages and Programming
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Considering the classic Fibonacci sequence, we present in this paper a geometric sequence attached to it, where the word “geometric” must be understood in a literal sense: for every Fibonacci number \(F_n\) we will in fact construct an octagon \(C_n\) that we will call the n-th Carboncettus octagon, and in this way we obtain a new sequence \(\big \{C_n \big \}_{n}\) consisting not of numbers but of geometric objects. The idea of this sequence draws inspiration from far away, and in particular from a portal visible today in the Cathedral of Prato, supposed work of Carboncettus marmorarius, and even dating back to the century before that of the writing of the Liber Abaci by Leonardo Pisano called Fibonacci (AD 1202). It is also very important to note that, if other future evidences will be found in support to the historical effectiveness of a Carboncettus-like construction, this would mean that Fibonacci numbers were known and used well before 1202. After the presentation of the sequence \(\big \{C_n\big \}_{n}\), we will give some numerical examples about the metric characteristics of the first few Carboncettus octagons, and we will also begin to discuss some general and peculiar properties of the new sequence.

ACS Style

Fabio Caldarola; Gianfranco D’Atri; Mario Maiolo; Giuseppe Pirillo. The Sequence of Carboncettus Octagons. Automata, Languages and Programming 2020, 373 -380.

AMA Style

Fabio Caldarola, Gianfranco D’Atri, Mario Maiolo, Giuseppe Pirillo. The Sequence of Carboncettus Octagons. Automata, Languages and Programming. 2020; ():373-380.

Chicago/Turabian Style

Fabio Caldarola; Gianfranco D’Atri; Mario Maiolo; Giuseppe Pirillo. 2020. "The Sequence of Carboncettus Octagons." Automata, Languages and Programming , no. : 373-380.

Research articles
Published: 17 January 2020 in Urban Water Journal
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Permeable Pavement (PP) represents a good solution to solve stormwater management problems. In this way, the potential removal efficiency of a PP in treating dissolved metals was assessed by performing a monitoring campaign at a lab-scale system. Based on literature experiences, different relatively high-level concentrations of copper and zinc were applied during eight different synthetic rainfall events. Results have shown that the removal rates of Cu and Zn of the lab-scale system range from 85% to 92% and from 65% to 82%, respectively. In addition, batch experiments were carried out on each construction material of the PP highlighting that, among the materials tested, only concrete blocks presented the potential to adsorb the investigated metals. Results confirmed that the adsorption capacity of the blocks is higher in adsorbing Cu (70–90%) than Zn (69–75%). Results from LCA analysis have shown overall minimal long-term, indirect and cumulative impact.

ACS Style

Michele Turco; Giuseppe Brunetti; Stefania Anna Palermo; Gilda Capano; Giovanna Grossi; Mario Maiolo; Patrizia Piro. On the environmental benefits of a permeable pavement: metals potential removal efficiency and Life Cycle Assessment. Urban Water Journal 2020, 17, 619 -627.

AMA Style

Michele Turco, Giuseppe Brunetti, Stefania Anna Palermo, Gilda Capano, Giovanna Grossi, Mario Maiolo, Patrizia Piro. On the environmental benefits of a permeable pavement: metals potential removal efficiency and Life Cycle Assessment. Urban Water Journal. 2020; 17 (7):619-627.

Chicago/Turabian Style

Michele Turco; Giuseppe Brunetti; Stefania Anna Palermo; Gilda Capano; Giovanna Grossi; Mario Maiolo; Patrizia Piro. 2020. "On the environmental benefits of a permeable pavement: metals potential removal efficiency and Life Cycle Assessment." Urban Water Journal 17, no. 7: 619-627.