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LayOpt: an educational web-app for truss layout optimization

delete2021-08-07
delete22
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OA
AI
H
Helen E. Fairclough
L
Linwei He *
T
Thomas J. Pritchard
M
Matthew Gilbert
DOI:10.1007/s00158-021-03009-8delete
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摘要

摘要

En 中文
A new interactive truss layout optimization web-app has been developed for educational use. This has been designed to be used on a range of devices, from mobile phones to desktop PCs. Truss designs are first generated via numerical layout optimization and then rationalized via geometry optimization. It is then shown that these designs can be simplified using a computationally inexpensive process that allows the user to control the trade-off between complexity and structural volume. The process involves the use of smooth Heaviside representations of member existence variables, with nodal slack forces employed that allow unstable intermediate truss structures. Full details of the web-app are provided in this contribution, from underlying formulation to cloud computing implementation. A range of numerical examples are used to demonstrate the efficacy of the web-app, and to show how it can potentially be used in educational and practical engineering settings.
Keyword:
Truss layout optimization
Web-app
Heaviside simplification
Topology optimization
Geometry optimization

期刊

Structural and Multidisciplinary Optimization 封面图
Structural and Multidisciplinary Optimization
IF:
4
论文数:
4.9K
被引数:
1.7W

机构

U
University of Sheffield
学者数:
3.0W
论文数: 2.9W
被引数: 3.9W
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