Bias Magnetic Field of Stack Giant Magnetostrictive Actuator: Design, Analysis, and Optimization

Table 1

Percentage difference of magnetic field along axial and radius position of GMM with different design parameters.

Aspect ratio	Difference in axial magnetic field	Difference in radius magnetic field
1	5.03%	0.27%
2	11.91%	0.17%
4	28.91%	0.12%
Remanent flux density	Difference in axial magnetic field	Difference in radius magnetic field
1.2 T	15.95%	0.08%
1.4 T	28.91%	0.12%
1.6 T	37.64%	0.18%