A FEM-Experimental Approach for the Development of a Conceptual Linear Actuator Based on Tendril’s Free Coiling

Table 1

List of parameters used to define the G-cell model.

Parameter	Symbol	Value
Total length	l	60 mm
Total thickness	t	0.3 mm
Total height	h	0.9 mm
Spring constant	k	0.5 N/mm
Material 1
Young’s modulus	E	200000 N/mm^2
Poisson’s ratio	v	0.3
Thermal expansion coefficient	α	0.0075 mm/mmK
Thermal conductivity	λ	0.0054 W/mmK
Yield stress	σ	360 Mpa
Tangent modulus	T	2000 Mpa
Material 2
Young’s modulus	E	120000 N/mm^2
Poisson’s ratio	v	0.3
Thermal expansion coefficient	α	0.0075 mm/mmK
Thermal conductivity	λ	0.0054 W/mmK
Yield stress	σ	180 Mpa
Tangent modulus	T	1500 Mpa