Toward the integration of lattice structure-based topology optimization and additive manufacturing for the design of turbomachinery components

Used in several industrial fields to create innovative designs, topology optimization is a method to design a structure characterized by maximum stiffness properties and reduced weights. By integrating topology optimization with additive layer manufacturing and, at the same time, by using innovative...

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Bibliographic Details
Published in:	Advances in mechanical engineering Vol. 11; no. 8
Main Authors:	Boccini, Enrico, Furferi, Rocco, Governi, Lapo, Meli, Enrico, Ridolfi, Alessandro, Rindi, Andrea, Volpe, Yary
Format:	Journal Article
Language:	English
Published:	London, England SAGE Publications 01-08-2019 Sage Publications Ltd SAGE Publishing
Subjects:	Additive manufacturing Design optimization Optimization Rotating machinery Rotating machines Rotor dynamics Stiffness Topology optimization Turbine disks Turbomachinery Topology optimization additive manufacturing turbomachinery lattice structures
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Summary:	Used in several industrial fields to create innovative designs, topology optimization is a method to design a structure characterized by maximum stiffness properties and reduced weights. By integrating topology optimization with additive layer manufacturing and, at the same time, by using innovative materials such as lattice structures, it is possible to realize complex three-dimensional geometries unthinkable using traditional subtractive techniques. Surprisingly, the extraordinary potential of topology optimization method (especially when coupled with additive manufacturing and lattice structures) has not yet been extensively developed to study rotating machines. Based on the above considerations, the applicability of topology optimization, additive manufacturing, and lattice structures to the fields of turbomachinery and rotordynamics is here explored. Such techniques are applied to a turbine disk to optimize its performance in terms of resonance and mass reduction. The obtained results are quite encouraging since this approach allows improving existing turbomachinery components’ performance when compared with traditional one.
ISSN:	1687-8132 1687-8140
DOI:	10.1177/1687814019859789