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Topology optimisation of truss-like continua with three member model under stress constraints
- Publisher
- Springer Journals
- Copyright
- 2018 The Chinese Society of Theoretical and Applied Mechanics and Technology
- ISSN
- 0894-9166
- eISSN
- 1860-2134
- DOI
- 10.1007/s10338-018-0016-8
- Publisher site
- See Article on Publisher Site
Abstract
Abstract A topology optimization method from truss-like continua to perforated continua is studied, which is based on the concept of force transmission paths. The force transmission paths are optimized utilizing a truss-like material model. In the optimization procedure, parts of the force transmission paths are removed. Finally, perforated optimal continua are formed by further optimizing the material distribution field. No intermediate densities are suppressed; therefore, no additional technique is involved and no numerical instabilities are created. Structural topologies are presented using material distribution fields rather than the ‘existence’ or ‘inexistence’ of elements. More detailed structures are obtained utilizing less dense elements.
Journal
"Acta Mechanica Solida Sinica" – Springer Journals
Published: Jun 1, 2018