TY - JOUR
T1 - Sliding Non-Conforming Interfaces for Edge Elements in Eddy Current Problems
AU - Roppert, Klaus
AU - Schoder, Stefan
AU - Wallinger, Gebhard
AU - Kaltenbacher, Manfred
PY - 2021/3/1
Y1 - 2021/3/1
N2 - In this work, a flexible discretization technique for the approximate solution of electromagnetic field problems with rotating parts, based on non-conforming (NC) interfaces of Nitsche-type, is investigated. This approach enables the use of edge elements of the first and second kind for the discretization of the magnetic vector potential without posing severe restrictions on gaps and overlaps of elements on both sides of the rotating interface. It improves the computational efficiency, compared to other NC interface formulations because no additional unknowns are introduced, and edge elements of different polynomial order can be coupled with this approach. The applicability is shown in two numerical examples, involving a cylindrical NC interface between a stationary and a rotating domain.
AB - In this work, a flexible discretization technique for the approximate solution of electromagnetic field problems with rotating parts, based on non-conforming (NC) interfaces of Nitsche-type, is investigated. This approach enables the use of edge elements of the first and second kind for the discretization of the magnetic vector potential without posing severe restrictions on gaps and overlaps of elements on both sides of the rotating interface. It improves the computational efficiency, compared to other NC interface formulations because no additional unknowns are introduced, and edge elements of different polynomial order can be coupled with this approach. The applicability is shown in two numerical examples, involving a cylindrical NC interface between a stationary and a rotating domain.
KW - eddy current problem
KW - Eddy currents
KW - Faces
KW - Finite element analysis
KW - Magnetic domains
KW - Magnetostatics
KW - Nédélec elements
KW - Nitsche method
KW - non-conforming interface
KW - Oscillators
KW - Transient analysis
KW - non-conforming (NC) interface
KW - Nédélec elements
KW - Eddy current problem
UR - http://www.scopus.com/inward/record.url?scp=85099249651&partnerID=8YFLogxK
U2 - 10.1109/TMAG.2020.3049059
DO - 10.1109/TMAG.2020.3049059
M3 - Article
SN - 0018-9464
VL - 57
SP - 1
EP - 6
JO - IEEE Transactions on Magnetics
JF - IEEE Transactions on Magnetics
IS - 3
M1 - 9312633
ER -