Table 2.

Material characteristic for finite element model (FEM) simulation.

Property	Materials
	PDMS [25]	FR-4 [26]	Sensor (Silicon Substrate) [27]	PLA [28]
Young’s modulus (MPa)	2.05	2.2 × 104	1.65 × 105	3.5 × 104
Poisson’s ratio	0.499	0.18	0.22	0.36