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Enhanced Bending Strength of PLA Beams with Varied Lattice Infill Structures
geometric complexity and controlling element density. Boundary
conditions employed in Ansys are illustrated in Figure 15.
Figure 16: Equivalent (von Mises) Stress Distribution in a Beam
with Gyroid Infill Structure under TPBT
(a) (b) (c)
(d) (e) (f)
Figure 17: Simulated Stress Distributions for different Lattice
Beams under Three-Point Bending Test.
The results obtained can be visualised in Figure 16 and 17
above. The stress distribution in each lattice shows that Octet and
Kelvin lattice portray the most even distribution of stress with the
least stress concentration areas. Diamond lattice however, shows
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