Xueren Zhu, Ke Huang, Wei Chen, Jiaying Zhang. Designing and Additive Manufacturing of Coupled Tension‑Twist Morphing Structure Based on Cell Stacking (Invited)[J]. Chinese Journal of Lasers, 2024, 51(10): 1002311
- Chinese Journal of Lasers
- Vol. 51, Issue 10, 1002311 (2024)
Fig. 1. Modeling of a unit-cell of metamaterial
Fig. 2. Tension‒shear-coupled deformation of the unit-cell. (a) Deformation model of the unit-cell; (b) planar rigid frame after simplification of the unit-cell
Fig. 3. Tension‒shear-coupled deformation analysis of the unit-cell
Fig. 4. Designing method based on stacking of unit-cells
Fig. 5. Tension‒twist-coupled deformation for the cantilever beam. (a) Schematic of cantilever beams produced by stacking of cells;
Fig. 6. Modeling of the macro-structure
Fig. 7. Normalized equivalent modulus of elasticity for the metamaterial
Fig. 8. Finite element modelling (FEM) and analysis of the cantilever beam. (a) FEM of the cantilever beam; (b) cloud figure of coupled tension‒twist deformation for the cantilever beam
Fig. 9. Distribution of twist angle for the cantilever beam
Fig. 10. Samples made by SLS and the testing equipment. (a) Four cells combination cantilever beam; (b) two cells combination cantilever beam; (c) testing equipment
Fig. 11. Schematic of twist angle measurement for the structure
Fig. 12. Relation between twist angle and tensile force for the cantilever beams
Fig. 13. Comparison of tensile force-twisting coupling coefficient and mass of two cantilever beams
Fig. 14. Relation between twist angle of the cantilever beam and the number of stacking layers
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Table 1. Properties of the material
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