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Al-Tamimi

Figure 7. Topology-optimised plates under torsion loading conditions.

Figure 8. Topology-optimised plates under combined loading conditions.

Table 3. Equivalent stiffness of optimized plate designs considering Table 4. Equivalent stiffness of optimized plate designs considering
compression loading conditions bending loading conditions
Volume Equivalent stiffness (kN/mm) Volume Equivalent stiffness (N.m )
2
reduction % Plate with Plate with Plate with reduction % Plate with Plate with Plate with
4 holes 6 holes 8 holes 4 holes 6 holes 8 holes
Initial design 306±6.46 247±12.65 237±5.38 Initial design 19.27±0.41 18.68±0.96 16.22±0.39
25 252±5.32 203±10.39 196±4.45 25 16.32±0.34 15.41±0.79 13.38±0.3
45 167±3.52 135±6.91 161±3.65 45 13.23±0.28 11.34±0.58 4.81±0.11
75 23±0.48 21±1.07 28±0.63 75 9.26±0.19 4.14±0.21 2.34±0.05

it is clear that for all the loading cases with the same than plates containing six holes, which are also stiffer
volume reduction, plates containing four holes are stiffer than plates containing eight holes. These results present

International Journal of Bioprinting (2021)–Volume 7, Issue 3 159