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- International Conference on Progress in Digital and Physical Manufacturing ProDPM'19 - Book of AbstractsPublication . Almeida, Henrique; Vasco, Joel; Marto, Anabela; Capela, Carlos; Freitas, Dino; Craveiro, Flávio; Bártolo, Helena; Coelho, Luís; Correia, Mário; Vieira, Milena; Ruben, RuiThe “Progress in Digital and Physical Manufacturing” book contains keynotes and papers presented at the first International Conference on Progress in Digital and Physical Manufacturing (ProDPM'19), organized by the School of Technology and Management (ESTG) of the Polytechnic Institute of Leiria (IPLeiria), from the 2nd to the 4th of October 2019. This international conference aims to provide a major international forum for the scientific exchange of multi-disciplinary and inter-organisational aspects performed by academics, researchers and industrial partners in order to exchange ideas in the field of digital and physical manufacturing and related areas. It represents a significant contribution to the current advances in industrial digital and physical manufacturing issues as it contains topical research in this field. The ProDPM'19 conference expects to foster networking and collaboration among participants to advance the knowledge and identify major trends in the field. The conference addresses to industrial challenges focused on current market demands and actual technological trends, such as mass customization, new business and industrial models or predictive engineering. Its contribution in science and technology developments leads to more suitable, effective and efficient products, materials and processes, generating added-value for the Industry and promoting the awareness of the role and importance of the digital and physical manufacturing development in the society. This book is, therefore, an essential reading for all of those working on digital and physical manufacturing, promoting better links between the academia and the industry. The conference papers will cover a wide range of important topics like additive manufacturing, biomanufacturing, advanced and smart manufacturing technologies, rapid tooling, microfabrication, virtual environments, simulation and 3D CAD and data acquisition, materials and collaborative design.
- Customizing insulation material properties for building retrofitting : from infrared thermography to additive manufacturingPublication . Craveiro, Flávio; Bartolo, Helena; Duarte, José Pinto; Bàrtolo, P. J.The European Commission proposed a recast to the Energy Efficiency Directive with a target of 30% energy efficiency for 2030. Buildings are the largest energy consumers sector in EU. To reduce the energy consumption of existing buildings and promote energy efficiency retrofit, it is important to improve the thermal performance of the building envelope, acting on thermal bridges to enhance the optimal thermal comfort for building occupants. In this work, a customized solution is proposed combining IR thermography and a generative computer tool to design a functionally graded insulation layer tailored to specific conditions, resulting in a material efficient design reducing weight and material usage. AM technologies were then used to produce a scaled prototype.
- An automated system for 3D printing functionally graded concrete-based materialsPublication . Craveiro, Flávio; Nazarian, Shadi; Bartolo, Helena; Bartolo, Paulo Jorge; Duarte, José PintoIn recent years, the interest in developing additive manufacturing (AM) technologies in the architecture, engineering and construction (AEC) industry has increased, motivated by the potential to support greater formal complexity. In this context, AM has been largely used to design and fabricate physical parts with homogeneous materials. This paper proposes a new strategy, aimed at the design and fabrication of functionally graded concrete parts with specific thermo-mechanical performance. The paper describes the development of the AM system to materialize such parts. The computational tool developed to design the material to meet specific performance requirements, and the design and testing of the material are described elsewhere. A functionally graded concrete part obtained by replacing sand with cork was produced and is evaluated.
- Moving Forward to 3D/4D Printed Building FacadesPublication . Craveiro, Flávio; Duarte, José P.; Bártolo, Helena; Bártolo, PauloNearly Zero Energy Buildings will require high-performance building envelopes, though the building sector is currently a major contributor to the world’s energy consumption and related CO2 emissions. Innovative advanced materials, such as smart or functionally graded materials are being developed to better adapt buildings to environmental needs. This paper presents a brief overview of novel advanced materials for passive/kinetic facades. There is a great potential for 3D/4D printing building components to address actual and future built environmental challenges. 3D printing buildings are still in its infancy, several limitations and barriers need to be addressed, though architects and engineers must keep looking forward and the rise of 4D design could bring “life” to buildings.