Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Computer aided design of tensile structures
The aim of the project was, to provide an introduction to the use of modern computer techniques in the design of stressed membrane tensile structures. Reference will be made to current and recent projects to illustrate the possibilities available to architects and designers. The engineering design process should support and enhance the architectural intent rather than placing limits. Structural fabrics are increasingly being used as integrated part of the overall building process. Fabric is no longer simply treated as a means to provide canopies to cover outdoor spaces or as an economic means of covering large spans. Questions of economics, form, quality of light and total energy usage are relevant. In effect structural fabrics have 'come of age', and are regarded as one of the basic building materials. However, knowledge of the design process is less well known. The engineering and design of these structures is not particularly difficult, but it is sufficiently different to require special treatment. The architectural design of structures is often based upon a combination of sketches and physical models. The latter are particularly useful when trying to visualise the complex three-dimensional shapes associated with tensile structures. Engineering has moved almost completely from physical to computer models, which are used for equilibrium shape determination and load analysis. Physical models are still employed for wind tunnel testing, although even here computational fluid dynamics techniques are slowly gaining in capability. The role of the physical model in architecture can be enhanced by the computer based approach, which gives the ability to quickly investigate a variety of forms. Although the system described here is essentially an engineering design and production tool, there are an increasing number of low cost or free form generation programs available on the Internet. The main stages of computer aided design of stressed membrane structures are those of form finding, load analysis, patterning and fabrication geometry, and erection analysis. These are illustrated by reference to a number of recent and current projects. The benefits of an integrated computer model to all aspects of the design and construction process will be stressed. An important aspect is the use of a mathematical approach that has a clear physical analogy, thus facilitating the engineering understanding of the non-linear analysis. This understanding of structural behaviour is essential, and 'black box' computer software should be avoided.
Computer aided design of tensile structures
The aim of the project was, to provide an introduction to the use of modern computer techniques in the design of stressed membrane tensile structures. Reference will be made to current and recent projects to illustrate the possibilities available to architects and designers. The engineering design process should support and enhance the architectural intent rather than placing limits. Structural fabrics are increasingly being used as integrated part of the overall building process. Fabric is no longer simply treated as a means to provide canopies to cover outdoor spaces or as an economic means of covering large spans. Questions of economics, form, quality of light and total energy usage are relevant. In effect structural fabrics have 'come of age', and are regarded as one of the basic building materials. However, knowledge of the design process is less well known. The engineering and design of these structures is not particularly difficult, but it is sufficiently different to require special treatment. The architectural design of structures is often based upon a combination of sketches and physical models. The latter are particularly useful when trying to visualise the complex three-dimensional shapes associated with tensile structures. Engineering has moved almost completely from physical to computer models, which are used for equilibrium shape determination and load analysis. Physical models are still employed for wind tunnel testing, although even here computational fluid dynamics techniques are slowly gaining in capability. The role of the physical model in architecture can be enhanced by the computer based approach, which gives the ability to quickly investigate a variety of forms. Although the system described here is essentially an engineering design and production tool, there are an increasing number of low cost or free form generation programs available on the Internet. The main stages of computer aided design of stressed membrane structures are those of form finding, load analysis, patterning and fabrication geometry, and erection analysis. These are illustrated by reference to a number of recent and current projects. The benefits of an integrated computer model to all aspects of the design and construction process will be stressed. An important aspect is the use of a mathematical approach that has a clear physical analogy, thus facilitating the engineering understanding of the non-linear analysis. This understanding of structural behaviour is essential, and 'black box' computer software should be avoided.
Computer aided design of tensile structures
Computergestützter Entwurf für Spannstrukturen
Wakefield, D. (Autor:in)
2000
2 Seiten
Aufsatz (Konferenz)
Englisch
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