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- Alic, VedadLund University,Lunds universitet,Byggnadsmekanik,Institutionen för byggvetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Structural Mechanics,Department of Construction Sciences,Departments at LTH,Faculty of Engineering, LTH (author)
Bi-directional Algebraic Graphic Statics : On Force Diagram Constraints
- Article/chapterEnglish2017
Publisher, publication year, extent ...
- 2017
- 9 s.
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- LIBRIS-ID:oai:lup.lub.lu.se:55bac53e-12f7-442c-b4ff-17ee0b94ae95
- https://lup.lub.lu.se/record/55bac53e-12f7-442c-b4ff-17ee0b94ae95URI
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- Language:English
- Summary in:English
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- SwePubSwePub
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Notes
- This paper presents a study exploring the capabilities of a new method, described by Åkesson and Alic [1], which extends the capabilities of the algebraic graphic statics method, by Van Mele and Block [11]. The new method extends the algebraic graphic statics method by making it bi-directional i.e. allowing for determination of an updated form diagram by making direct interactive manipulations of the force diagram. In the new method, Newton’s method is used for solving a set of non-linear equations, to find an updated form diagram from given changes in the force diagram. Additional geometric constraints are introduced on the form diagram to obtain desired solutions. The implementation of the method as a back-end to an interactive application is discussed, and the usability of the method is shown in examples where the qualities of directly manipulating the force diagram are discussed. The main part of this paper will supplement Åkesson and Alic [1] by presenting further studies of the application of constraints to the force diagram, and which shapes this leads to in the form diagram. Further, the paper will present how to adapt force and form diagrams for interactive graphical representations suitable for computers.
Subject headings and genre
- NATURVETENSKAP Matematik hsv//swe
- NATURAL SCIENCES Mathematics hsv//eng
- Interactive graphic statics
- matrix analysis of structures
- graph theory
- reciprocal figures
- force diagram manipulations
- conceptual design
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- Åkesson, DanielLund University,Lunds universitet,Byggnadsmekanik,Institutionen för byggvetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Structural Mechanics,Department of Construction Sciences,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)cons-das (author)
- Persson, KentLund University,Lunds universitet,Byggnadsmekanik,Institutionen för byggvetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Structural Mechanics,Department of Construction Sciences,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)bygg-kp0 (author)
- ByggnadsmekanikInstitutionen för byggvetenskaper (creator_code:org_t)
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- Alic, Vedad
- Åkesson, Daniel
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- NATURAL SCIENCES
- NATURAL SCIENCES
- and Mathematics
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- Lund University
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