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PhD Position --- 4D-printed deployable structures

Brief. A couple of full-time PhD positions on "Development of deployable structures using 4D-printing technology" is available.

Minimum Requirements. High GPA and relevant research background (two first-author publications).

Desirable Criteria. Highly qualified in computational mechanics and modelling 3D-printed structures.

Location. Griffith University, Gold Coast Campus, Australia.

Funding. Full funding is available for eligible candidates.

Contact. Please send your CV to z.javanbakht at Griffith.edu.au. If eligible, candidates would be contacted by the end of March 2020.

Note. No post-doc positions are available at this time.

Background. Motion structures are load-bearing assemblies that include members with internal mobility. This internal mobility facilitates structural expansion or contraction that contribute to the behaviour of expandable/retractable structures. Motion structures vary from common items such as foldable tables and chairs to more complex arrangements such as tensegrity bridges, metamaterials, auxetic sheets and other higher-dimensional structured continua. A very interesting example is the Origami/kirigami-inspired patterns that make up complex foldable structures with minimum occupation of spatial volume. Unfortunately, the benefits of mobility and high specific properties are not achieved via the conventional manufacturing processes, e.g., assembling the components is time-consuming and often impossible for complicate arrangements. Thus, to materialise the augmented degrees of freedom, a more advanced prototyping procedure is required.

The advance of Additive Manufacturing (AM) offers significant opportunities to directly fabricate motion structures (such as ‘origami’ assemblies), without the need for an assembly step; mechanisms fabricated in this manner are often termed non-assembly mechanisms. The rigid sheets or plates of origami assemblies can be created (using 3D printing methods) as a solid material and the folds can be introduced as ‘hinges’ (revolute joints)—to result in the so-called 4D printed structures. Moreover, material selections from each material classification (i.e. metals, ceramics, polymers and composites) are available to suit numerous applications. 

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