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Fiber-reinforced materials offer a huge potential for lightweight design of load-bearing structures. However, high-volume production of such parts is still a challenge in terms of cost efficiency and competitiveness. Numerical process simulation can be used to analyze underlying mechanisms and to find a suitable process design. In this study, the curing process of the resin is investigated with regard to its influence on RTM mold filling and process-induced distortion.

Mechanical engineering & materials --- Prozesssimulation --- Leichtbau --- Faserverbundwerkstoff --- Formfüllsimulation --- Bauteilverzug --- process simulation --- lightweight design --- composite --- mold-filling simulation --- process-induced distortion

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Cryptography lies at the heart of most technologies deployed today for secure communications. At the same time, mathematics lies at the heart of cryptography, as cryptographic constructions are based on algebraic scenarios ruled by group or number theoretical laws. Understanding the involved algebraic structures is, thus, essential to design robust cryptographic schemes. This Special Issue is concerned with the interplay between group theory, symmetry and cryptography. The book highlights four exciting areas of research in which these fields intertwine: post-quantum cryptography, coding theory, computational group theory and symmetric cryptography. The articles presented demonstrate the relevance of rigorously analyzing the computational hardness of the mathematical problems used as a base for cryptographic constructions. For instance, decoding problems related to algebraic codes and rewriting problems in non-abelian groups are explored with cryptographic applications in mind. New results on the algebraic properties or symmetric cryptographic tools are also presented, moving ahead in the understanding of their security properties. In addition, post-quantum constructions for digital signatures and key exchange are explored in this Special Issue, exemplifying how (and how not) group theory may be used for developing robust cryptographic tools to withstand quantum attacks.

NP-Completeness --- protocol compiler --- post-quantum cryptography --- Reed–Solomon codes --- key equation --- euclidean algorithm --- permutation group --- t-modified self-shrinking generator --- ideal cipher model --- algorithms in groups --- lightweight cryptography --- generalized self-shrinking generator --- numerical semigroup --- pseudo-random number generator --- symmetry --- pseudorandom permutation --- Berlekamp–Massey algorithm --- semigroup ideal --- algebraic-geometry code --- non-commutative cryptography --- provable security --- Engel words --- block cipher --- cryptography --- beyond birthday bound --- Weierstrass semigroup --- group theory --- braid groups --- statistical randomness tests --- group-based cryptography --- alternating group --- WalnutDSA --- Sugiyama et al. algorithm --- cryptanalysis --- digital signatures --- one-way functions --- key agreement protocol --- error-correcting code --- group key establishment

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The book Green, Energy-Efficient and Sustainable Networks provides insights and solutions for a range of problems in the field of obtaining greener, energy-efficient, and sustainable networks. The book contains the outcomes of the Special Issue on “Green, Energy-Efficient and Sustainable Networks” of the Sensors journal. Seventeen high-quality papers published in the Special Issue have been collected and reproduced in this book, demonstrating significant achievements in the field. Among the published papers, one paper is an editorial and one is a review, while the remaining 15 works are research articles. The published papers are self-contained peer-reviewed scientific works that are authored by more than 75 different contributors with both academic and industry backgrounds. The editorial paper gives an introduction to the problem of information and communication technology (ICT) energy consumption and greenhouse gas emissions, presenting the state of the art and future trends in terms of improving the energy-efficiency of wireless networks and data centers, as the major energy consumers in the ICT sector. In addition, the published articles aim to improve energy efficiency in the fields of software-defined networking, Internet of things, machine learning, authentication, energy harvesting, wireless relay systems, routing metrics, wireless sensor networks, device-to-device communications, heterogeneous wireless networks, and image sensing. The last paper is a review that gives a detailed overview of energy-efficiency improvements and methods for the implementation of fifth-generation networks and beyond. This book can serve as a source of information in industrial, teaching, and/or research and development activities. The book is a valuable source of information, since it presents recent advances in different fields related to greening and improving the energy-efficiency and sustainability of those ICTs particularly addressed in this book

node speed --- linear recovery --- resource block allocation --- social awareness --- internet-of-things --- scheduling algorithm --- renewables --- neural network --- battery capacity --- energy awareness --- measurement structure --- optimization --- energy efficiency --- charging efficiency --- random structural matrices --- SDN --- water filling algorithm --- ONOS --- energy harvesting --- malware detection --- node density --- HetNets --- sustainability --- cooperative smart community --- adversarial samples --- spatial modulation --- NOMA --- 5G --- light-weight authentication --- green networking --- Device-to-Device (D2D) --- lightweight cipher --- mobile edge computing --- wireless power transfer --- adaptive link rate --- successive interference cancellation (SIC) --- directional charging vehicle --- self-interference cancellation --- proportional rate constraint --- inter-meeting time --- sustainable --- RWSN --- channel state information --- stochastic geometry --- networks --- green internet of things (IoT) --- PHY-layer --- IoT --- Markov chain --- traffic engineering --- QoS --- energy-efficient Ethernet --- power --- lightweight authentication --- energy aware routing --- authentication --- wired access --- amplify-and-forward --- software defined networking (SDN) --- image compressive sensing (CS) --- green --- edge computing --- LTE-A --- opportunistic networks --- RF Fingerprinting --- data centre --- multiple-input multiple-output --- Internet of Things --- machine learning --- peer discovery --- full-duplex --- industrial --- carbon footprint --- WSN --- imperfect CSI --- data center --- symbol error probability --- physical-layer authentication --- interference coordination --- clustering --- control and data plane --- wireless --- ICT --- bisection based optimal power allocation --- energy-efficiency --- consumer preferences --- real-time traffic

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Masonry is a construction material that has been used throughout the years as a structural or non-structural component in buildings. Masonry can be described as a composite material made up of different units and diverse types of arrangements, with or without mortar, that is used in many ancient public buildings, as well as with the latest technologies being applied in construction. Research in multiple relevant fields, as well as crossing structural with non-structural needs, is crucial for understanding the qualities of existent buildings and to develop new products and construction technologies. This book addresses and promotes the discussion related to the different topics addressing the use of masonry in the construction sciences and in practice, including theory and research, numerical approaches and technical applications in new works, and repair actions and interventions in the built environment, connecting theory and application across topics from academia to industry.

artificial neural network --- n/a --- regional constructive cultures --- neural networks --- cracks in shells --- infilled frames --- seismic assessment --- no-fines lightweight concrete --- unreinforced load-bearing masonry --- Nepal earthquake --- dynamic --- survey damage assessment --- masonry infills and partitions --- old urban center --- in situ test campaign --- repair costs due to infills --- static analysis --- AEM --- non-linear analysis --- mechanical properties --- numerical modelling --- granite masonry --- high-rise reinforced concrete structure --- damage analysis --- seismic rehabilitation --- structural restoration --- strengthening --- stone masonry --- masonry infill walls --- masonry characterization --- hysteresis --- ambient vibration test --- weak mortar --- seismic actions --- masonry --- bilinear approximation --- load-bearing masonry walls --- database --- flat-jack testing --- masonry shell --- Greco-Roman construction --- seismic retrofitting --- stone masonry wallets --- linear and non-linear numerical tools --- foundation settlement --- RC buildings --- observed performance --- capacity curve --- heritage construction --- masonry building --- shear-sliding tests --- post-earthquake surveys --- strengthening intervention --- wall

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This second volume of the Special Issue includes 13 contributions, from across the world, with very interesting research topics such as: Energy Intensity Reduction; Large-Scale Non-Residential Buildings; Dynamic Control of HVAC with Heat Pumps; Reed Potential as a Regenerative Building Material and Their Performance Characterisation; Experimental Evaluation of Energy-Efficiency in a Holistically Designed Building; A Case Study of Design and Energy Performance Analysis of a Hotel Building in a Hot and Dry Climate; Internal Convective and Radiative Heat Transfer Coefficients for a Vertical Wall in a Residential Building; Passive Façade Performance Evaluation with Shape Memory Alloy (SMA) during the Architectural Design Process; Thermal Performance Improvement of Double-Pane Lightweight Steel Framed (LSF) Walls Using Thermal Break Strips (TBS) and Reflective Foils; Energy Performance of Buildings with Thermochromic Windows in Mediterranean Climates; Energy Performance and Benchmarking for University Classrooms in Hot and Humid Climates; Effect of HVAC’s Management on Indoor Thermo-Hygrometric Comfort and Energy Balance: In Situ Assessments on a Real nearly Zero Energy Building (nZEB); Stochastic-Based Optimisation Approach towards the Integration of Photovoltaic Panels in Multi-Residential Social Housing; Effect of Climate Change and Occupant Behaviour on the Environmental Impact of the Heating/Cooling Systems of a Real Apartment: A Parametric Study through Life Cycle Assessment; Road Thermal Collector for Building Heating in South Europe (Italy): Numerical Modeling and Design of an Experimental Set-Up.

Technology: general issues --- Chemical engineering --- energy efficiency improvement --- HVAC operation --- dynamic optimization --- sustainability --- reed (Arundo donax) --- material characterisation --- natural materials --- vernacular architecture --- holistic --- energy management system --- sustainable --- building performance --- thermal performance --- indoor comfort --- energy performance --- design parameters --- energy simulation --- building envelope --- convection --- radiation --- heat transfer coefficient --- correlation --- climate-adaptive building shells --- sustainable design --- energy efficiency --- shape-memory alloy --- climate change --- experimental assessment --- double-pane --- lightweight steel frame (LSF) --- partition walls --- aerogel thermal break strips --- aluminium reflective foils --- thermochromic coatings --- solar transmittance --- solar reflectance --- Energy Use Intensity --- higher education buildings --- energy consumption --- benchmarking --- hot and humid climates --- EnergyPlus --- nZEB --- HVAC management --- monitoring campaign --- load matching --- computational fluid dynamics --- social housing --- energy demand --- energy refurbishment --- internal gains --- occupation rate --- life cycle cost --- life cycle assessment (LCA) --- ReCiPe indicator --- global warming potential (GWP) indicator --- environmental impact --- heating and cooling systems --- occupant behaviour --- road thermal collector --- borehole thermal storage --- alternative energy system