Page 11 - eBook_Proceedings of the International Conference on Digital Manufacturing V2

LIST OF FIGURES

Figure 1: Representation of major challenges linked with
the structural design of HDPE bottles under
stacking condition 3
Figure 2: A schematic diagram of Research
Methodology. 4-steps SOP for weight
optimisation of HPDE bottles 7
Figure 3: Average Compressive and Tensile Stress-
Strain Curve below the yield point 9
Figure 4: Four different CAD models of same bottle 10
Figure 5: (a) Real-world stacking condition. (b)
Boundary condition applied to the bottle
stacked in the most-lower layer 12
Figure 6: A representation of mesh refinement near neck
of the bottle used for uniform thick-walled,
uniform thin walled, and uniform thick-walled
with structural reinforcement features 13
Figure 7: Contours of maximum deformation and von
Mises stress for the 72g bottle (a), (b), 54g
bottle (c), (d) and 50g bottle (e), (f) 17
Figure 8: Response of Stress and deformation against
different combinations of bottle thickness
across 100 points achieved through
Parison Controller 18
Figure 9: Mean Squared Error and R2 scores of all five
regression models for stress and deformation 19
Figure 10: Scatter plots of all five regression models for
stress and deformation test data 20
Figure 11: Gyroid Infill Beam (Dimensions: 200 x 35 x 19
mm) with skin thickness of 0.48mm generated
using nTopology 30
Figure 12: Unit Cells of different Infill Geometries 31
Figure 13: Nomenclature of Boundary Conditions and
loads on beam 31
Figure 14: Meshing progression of an implicit lattice
structure in nTopology 32

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