Tampere University of Technology

TUTCRIS Research Portal

Finite element method incorporating coupled magneto-elastic model for magneto-mechanical energy harvester

Research output: Other conference contributionPaper, poster or abstractScientific


Original languageEnglish
Number of pages2
Publication statusPublished - 19 Jun 2017
EventCompumag 2017: 21st International Conference on the Computation of Electromagnetic Fields - Daejeon Convention Center, Daejeon, Korea, Democratic People's Republic of
Duration: 18 Jun 201722 Jun 2017
Conference number: 21


ConferenceCompumag 2017
CountryKorea, Democratic People's Republic of
Internet address


This paper presents a numerical method for modeling magneto-mechanical energy harvesting devices. Our existing energy-based
single-valued (SV) magneto-mechanical material model is utilized for the first time in a 2-D finite element formulation for an energy-
harvesting application. The SV material model yields the magnetic field strength as a function of strain and magnetic flux density. The
proposed method can predict the voltage induced in a pickup coil due to inverse magnetostriction, when the test sample is subjected to
dynamic loading. The results from the numerical method are experimentally verified using a prototype energy harvester.


  • Magnetostriction, Energy harvesting, Coupled problems, Finite element analysis, Magneto elastic, stress

Downloads statistics

No data available