Italian Workshop on 

Shell and Spatial Structures

Proceedings 

of the 

1st Italian Workshop on Shell and Spatial Structures (IWSS2020)

25th - 26th June 2020 - Web meeting

Opening

S. Gabriele, A. Manuello, F. Marmo, A. Micheletti

The IWSS2020 is organised with the endorsement of the International Association for Shell and Spatial Structures and the Società Italiana di Scienza delle Costruzioni - SISCo (Italian Society of Solid and Structural Mechanics).

C. Lazaro, IASS communication

L. Rosati, SISCo communication

Online sessions

Click the session title to access each chapter

M1.1 - June 25th, 2020 - First Morning Session (see also the playlist on YouTube)

Chair: A. Micheletti
  • M. Majowiecki, Upgrading the spoke wheel stadium roof concept (Keynote)
  • E. Ossola, E. Sunada, J.P. Borgonia, M. Hendry, E. Brusa, R. Sesana, Geodesic Domes for Planetary Exploration
  • F. Laccone, L. Malomo, D. Voorderhake, N. Gonsalves, L. Wang, N. Pietroni, P. Cignoni, T. Schork, FlexMaps 2.0: a bending active structure with optimized spiral mesostructures
  • M. Dragoljevic, S. Viscuso, A. Zanelli, Data-driven design of deployable structures: Literature review and multi-criteria optimization approach
  • G. Mirra, A. Pugnale, Testing Generative Models (VAEs) for the design of shell structures

M1.2 - June 25th, 2020 - Second Morning Session (see also the playlist on YouTube)

Chair: F. Marmo
  • M. Brocato, Stereoplexy (Keynote)
  • A. Pizzigoni, V. Paris, The flat vault
  • F. Riberi, A. Manuello, Designed of pierced vaults through from-finding and digital fabrication
  • M. Alforno, C. Calderini, A. Monaco, F. Venuti, Analysis of masonry vaults through simplified micro-models
  • R. Spagnuolo, Out-of-plane local mechanism analysis with finite element method
  • R. Ceravolo, E. Lenticchia, V. Oliva, Design schemes and observed structural behaviors: experiences learned from testing on a pre-stressed concrete pavilion designed by Morandi
  • D. Abruzzese, A. Tiero, A. Micheletti, Permanent monitoring of thin structures

A1.1 - June 25th, 2020 - First Afternoon Session (see also the playlist on YouTube)

Chair: S. Gabriele 
  • S. Adriaenssens, A different perspective on shells (Keynote)
  • P. D’Acunto, M. Konstantatoub, 3D Graphic Statics: Polyhedron-Based and Vector-Based Approaches
  • M. S. V. Souza, R. M. O. Pauletti, Fast shape finding procedures combining the natural force density method and parametric programming
  • M. Bruggi, A tool for form finding using a constrained forced density method
  • X. Tellier, R. Boutillier, C. Douthe, Patterns for gridshells without geometrical torsion at nodes
  • G. R. Argento, S. Gabriele, F. Marmo, V. Varano, Exploring the use of R-Funicularity in shells’ shape optimization
  • F. Marmo, V. Perricone, G. Pontillo, C. Langella, L. Rosati, Learning from nature: the echinoid strategy to design a lightweight and resistant shell structure

A1.2 - June 25th, 2020 - Second Afternoon Session (see also the playlist on YouTube)

Chair: A. Manuello 
  • N. Lagaros, Topology optimization driven conceptual design of structures (Keynote)
  • F. Tornabene, R. Dimitri, Higher-order mechanical modelling of laminated and latticed composite shells with a complex material and geometry
  • U. Eroglu, G. Ruta, Non-trivial fundamental paths and buckling of damaged parabolic arches
  • G. Senatore, Y. Wang, Extended Integrated Force Method for the analysis of prestress-stable statically and kinematically indeterminate structures
  • J. A. Schultz, B. Dichone, B. Cope, Analytical Model for 5-ply Cross-Laminated Timber
  • M. S. O. Soto, R. M. O. Pauletti, L. C. Meneghetti, Experiments on flexible surface formworks for thin shells
  • R. Pastrana, E. Bruun, A new roof over the Engineering Courtyard: studies on pattern and form
  • R. Roithmayr, R. Blum, Design of lightweight membrane structures
  • F. Di Trapani, M. Malavisi, G. C. Marano, A. P. Sberna, Genetic algorithm-based optimization of RC frame structures retrofitting with steel jacketing

M2.1 - June 26th, 2020 - First Morning session (see also the playlist on YouTube)

Chair: S. Gabriele 
  • T. Iori, Engineers of their time: what history teaches us in times of emergency (Keynote)
  • E. Lenticchia, R. Ceravolo, A. Manuello, The structures of Pier Luigi Nervi in Torino Esposizioni "Virtual Tour"
  • G. Boller, How to design a shell. Models and experiments in Heinz Isler’s work
  • G. Piana, V. De Biagi, B. Chiaia, Robustness of airport space frame structure
  • Giulio Mirabella Roberti, Vittorio Paris, Giuseppe Ruscica, From the herringbone dome by Sangallo to the Serlio floor of Emy (and beyond)
  • A. Bover, J. Torres, C.-H. Bitlloch, J. Vilà, Curved skylight of the Hotel Ritz Madrid
  • E. Ermakova, M. Rynkovskaya, Choosing the optimal shape for a concert hall

M2.2 - June 26th, 2020 - Second Morning session (see also the playlist on YouTube)

Chair: A. Micheletti 
  • M. Cardenas, Bamboo, a strategical natural resource for shell and spatial structures (Keynote)
  • L. Mimendi, R. Lorenzo, C. Wang, Bamboo poles for reciprocal frame structures
  • L. Boulic, P. D’Acunto, F. Bertagna, J. J. Castellon, Structural design of a bending-active tensile sun-shading system
  • R. Miranda, E. Babilio, N. Singh, A. Amendola, F. Fraternali, Adaptive tensegrity shells serving as solar façades
  • Y. Chen, J. Feng, P. Sareh, Form-finding of cable-strut structures using particle swarm optimization and symmetry
  • E. Vlachaki, K. A. Liapi, Folded surface elements coupled with planar scissor linkages: A novel hybrid type of deployable structures
  • C. Boni, M. Silvestri, G. Royer-Carfagni, Flexural tensegrity

A2.1 - June 26th, 2020 - First Afternoon session (see also the playlist on YouTube)

Chair: F. Marmo 
  • G. C. Marano, State of the art and future challenges in evolutive algorithms for structural optimization (Keynote)
  • J. Schultz, Structural Assessment of St. Charles Modified Hypar Roof
  • E. M. Segal, Full-Scale Physical Form-Finding
  • F. Rizzo, C. Demartino, Pressure modes for hyperbolic paraboloid roofs
  • G. Lacidogna, D. Scaramozzino, A. Carpinteri, Optimization of diagrid geometry based on the desirability function approach
  • V. Beatini, Modulation of the structural properties of foldable arches
  • G. Candela, C. Demartino, F. Marmo, G. Monti, Geometrical survey of shell and spatial structures using UAV photogrammetry: applicative examples

A2.2 - June 26th, 2020 - Second Afternoon session (see also the playlist on YouTube)

Chair: A. Manuello
  • F. S. Liguori, A. Madeo, L. Leonetti, D. Magisano, G. Garcea, An isogeometric solid-shell model for postbuckling optimisation strategies
  • R. Dimitri, F. Tornabene, GDQ-based study of the mixed-mode interfacial response of composite specimens with a curved geometry
  • G. R. Argento, S. Gabriele, L. Teresi, V. Varano, Shell shaping by metric assignment
  • I. Giannetti, A. Micheletti, Floating-bending tensile-integrity structures
  • A. Fiore, I. Tarallo, G. C. Marano, Parametric design of optimal long-span hollow-section steel beams
  • A. Fraddosio, A. Micheletti, G. Pavone, M.D. Piccioni, Analysis of novel adaptable tensegrity towers
  • E. Artioli, Virtual element method for solid and structural mechanics
  • Luigi Fenu, Eleonora Congiu, Giuseppe Carlo Marano, Bruno Briseghella, Curved shell-supported footbridges
  • A. Carpinteri, Funicularity in elastic domes: Coupled effects of shape and thickness (Closing Lecture)

Extra: Virtual tour and exhibition

  • E. Lenticchia, R. Ceravolo, A. Manuello, Turin exhibition Center 
  • A. Micheletti, L. D. Cerroni, Nested tensegrity structure
  • F. Laccone, L. Malomo, P. Cignoni, N. Pietroni, D. Voorderhake, L. Wang, N. Gonsalves, T. Shock, FlexMaps 2.0: a bending active structure with optimized spiral mesostructures
  • M. Cardenas Laverde, Bamboo, a strategical natural resource for shell and spatial structures

Closure

A. Manuello

Full length papers

Selected contributions to the workshop have been re-edited in a full-length format and undergone blind peer review process in order to be published on a special issue of Curved and Layered Structures.


Presentation of the special issue

Bertetto A. M., Gabriele S., Marmo F., Micheletti A., Shell and spatial structures: Between new developments and historical aspects

Organizers and Scientific Committee

Amedeo Manuello Bertetto (Politecnico di Torino)

Stefano Gabriele (Università Roma Tre)

Francesco Marmo (Università di Napoli Federico II)

Andrea Micheletti (Università di Roma Tor Vergata)