ABSTRACT

*** Featuring a foreword by Pritzker Prize Winner Shigeru Ban ***

Bringing together experts from research and practice, Shell Structures for Architecture: Form Finding and Optimization presents contemporary design methods for shell and gridshell structures, covering form-finding and structural optimization techniques. It introduces architecture and engineering practitioners and students to structural shells and provides computational techniques to develop complex curved structural surfaces, in the form of mathematics, computer algorithms, and design case studies.

• Part I introduces the topic of shells, tracing the ancient relationship between structural form and forces, the basics of shell behaviour, and the evolution of form-finding and structural optimization techniques.

• Part II familiarizes the reader with form-finding techniques to explore expressive structural geometries, covering the force density method, thrust network analysis, dynamic relaxation and particle-spring systems.

• Part III focuses on shell shape and topology optimization, and provides a deeper understanding of gradient-based methods and meta-heuristic techniques.

• Part IV contains precedent studies of realised shells and gridshells describing their innovative design and construction methods.

part |83 pages

Form finding

chapter |12 pages

Force density method

Design of a timber shell

chapter |18 pages

Thrust network analysis

Design of a cut-stone masonry vault

chapter |14 pages

Dynamic relaxation

Design of a strained timber gridshell

chapter |12 pages

Particle-spring systems

Design of a cantilevering concrete shell

chapter |9 pages

Steering of form

part |96 pages

Structural optimization

chapter |14 pages

Nonlinear force density method

Constraints of force and geometry

chapter |14 pages

Best-fit thrust network analysis

Rationalization of freeform meshes

chapter |14 pages

Multi-criteria gridshell optimization

Structural lattices on freeform surfaces

chapter |16 pages

Eigenshells

Structural patterns on modal forms

chapter |14 pages

Homogenization method

Distribution of material densities

part |34 pages

Precedents

chapter |8 pages

The Multihalle and the British Museum

A comparison of two gridshells

chapter |12 pages

Félix Candela and Heinz Isler

A comparison of two structural artists

chapter |12 pages

Structural design of free-curved RC shells

An overview of built works

chapter |3 pages

Conclusion The congeniality of architecture and engineering

The future potential and relevance of shell structures in architecture