Research Article

Microstereolithography of Three-Dimensional Polymeric Springs for Vibration Energy Harvesting

Table 3

Comparison of theory with experimental results.

Given parameters:  g, , TheoryExperiment

Natural frequency60 [Hz]61 [Hz]
43.9 [N/m]45.4 [N/m]
400 [μm]372 [μm]
160 [μm]163.5 [μm]
1.04 [mm]1.01 [mm]
1.941.99
0.3170.304
1.231.24
533 [MPa]530 [MPa]
[m/s2]73 [g]*70 [g]*

* Assuming a  MPa [14].