Bulletin of the American Physical Society
APS March Meeting 2022
Volume 67, Number 3
Monday–Friday, March 14–18, 2022; Chicago
Session F21: Soft Robotic Matter II: Shape-Morphing and Responsive Materials
8:00 AM–11:00 AM,
Tuesday, March 15, 2022
Room: McCormick Place W-185D
Sponsoring
Unit:
DSOFT
Chair: Hamed Shahsavan, University of Waterloo
Abstract: F21.00011 : Particle-resolved description of a soft magnetoelastic actuator*
10:24 AM–10:36 AM
Presenter:
Lukas Fischer
(Institut für Physik, Otto-von-Guericke Universität Magdeburg)
Authors:
Lukas Fischer
(Institut für Physik, Otto-von-Guericke Universität Magdeburg)
Andreas M Menzel
(Institut für Physik, Otto-von-Guericke Universität Magdeburg)
Here, we study the latter effect by mesoscopic theory. We analyze how the magnetostrictive response depends on the spatial configuration of the particles inside the elastic matrix, the field orientation, and the matrix material. To this end, we combine analytical linear elasticity theory with numerical evaluation. Several regular and irregular structures that show different types of response were investigated [1]. Interestingly, changing the compressibility of the elastic material can qualitatively modify the overall deformational effect. Adjusting the particle arrangement, we achieve new modes of magnetostriction, e.g. a twist-like deformation [2]. Using particles of different size provides another means of control [3].
Revealing possibilities to adjust the overall deformational response will support the future construction of soft magnetic actuators and robots.
*Support by the German Research Foundation (DFG) through the SPP 1681, grant no. ME 3571/3, is gratefully acknowledged.
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