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Applications of a “Virtual” Force Density Method

Basso, Paolo, Del Grosso, Andrea, Pugnale, Alberto & Sassone, Mario

September 2009 | Conference Paper

The Force density Method [FDM] has been well known - since Linkwitz and Schek's first development in 1970's - as a powerful tool for analytical form-finding and static analysis of self-stressed structures like tensile membranes and cable networks. Actually, force density is always associated to a real stress state of...

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Computational morphogenesis in architecture: the cost optimization of free form grid-shells

Basso, Paolo, Del Grosso, Andrea, Pugnale, Alberto & Sassone, Mario

September 2009 | Conference Paper

In this paper, an optimization problem related to the tessellation of a free form grid shell is presented. This kind of structures is generally composed by a supporting grid that defines the geometry of a large number of cladding elements always different one from another. From the constructive point of...

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Shape Optimization of free form grid-shells

Basso, Paolo, Del Grosso, Andrea, Pugnale, Alberto & Sassone, Mario

May 2009 | Conference Paper

In this paper, we present two different optimization procedures, developed and implemented to deal with economic and constructive problems of free form grid shells. This kind of structures is generally composed by a supporting grid that defines the geometry of a large number of cladding glass elements always different one...

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Optimal design of glass grid shells with quadrilateral elements by means of a genetic algorithm

Sassone, Mario & Pugnale, Alberto

May 2008 | Conference Paper

In this paper, a constructional problem related to grid-shells design is approached as an optimisation problem and an evolutionary solution technique is proposed. The construction of glass grid-shells, when only four sides cladding elements are used, requires to check the planarity of each element, it means that the four corner...

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On the interaction between architecture and engineering: the acoustic optimization of a reinforced concrete shell

Sassone, Mario, Méndez, Tomas & Pugnale, Alberto

May 2008 | Conference Paper

In this paper, a computational morphogenesis process is applied to the design and the optimization of the shell roof of a large music hall. The architectural concept is based on the folded plate technique: a set of reinforced concrete plates, connected to each other on the edges, forms the global...

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Incontro con Mutsuro Sasaki. Algoritmi di progetto: La personalizzazione del software nel lavoro dello strutturista giapponese

Pugnale, Alberto & Sassone, Mario

December 2007 | Article

In occasione della conferenza tenuta al Politecnico di Torino il 6 novembre abbiamo incontrato Mutsuro Sasaki, strutturista giapponese noto per le collaborazioni con architetti «eccellenti» nelle quali ha contribuito alla definizione della forma architettonica fin dal primo momento, enfatizzando il carattere intrinsecamente multdisciplinare del progetto architettonico, e allo stesso tempo...

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Morphogenesis and Structural Optimization of Shell Structures with the Aid of a Genetic Algorithm (IASS Hangai Prize)

Pugnale, Alberto & Sassone, Mario

December 2007 | Article

This paper was awarded the IASS Hangai Prize on 6 December 2007 (IASS 2007, Venice, Italy) The paper presents a method to generate and structurally optimize the shape of free form shells by means of a genetic algorithm. The shape of the shell is described with the aid of a...

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Evolutionary Structural Optimization in Shells Design

Sassone, Mario & Pugnale, Alberto

September 2007 | Conference Paper

In the paper the application of a GA evolutionary algorithm to the structural optimisation of free-form architectural shell structures, as large concrete roofs, is shown. The attention is focused on the need of different computational tools and on the problems involved in multidisciplinary design, as the communication and information exchange....

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