Tech Briefs Magazine - June 2021 - 20

Simulating Electric Vehicle Motors
Figure 3. An example of the simulation application's user interface.
the rotor has to possess a certain durability,
where the centrifugal force is
the major load for the rotor. "
Further, balancing dual requirements
can be challenging, as they are
sometimes at odds. For example, while
it is better to use thin, weblike structures
for the electromagnetic requirements,
thicker structures are preferable
for mechanical durability. It is important
that these requirements are ad -
dressed early on in the development
process. One way to do so efficiently is
to simulate all of the load cases covering
the requirements.
" Sim ulation, " Rothe said,
" plays a major role in
accelerating the design
process. Many industrial
simulation programs are
de signed as a black box,
whereas COMSOL Multiphysics
is unique in its
transparency. It enables
users to view and modify
the implemented equations
or even add your
own, " said Rothe. Furthermore,
the software is de -
signed as a multiphysics
tool from the beginning
and enables users to simulate
different physical
fields simultaneously. So,
the user can combine different
physical fields to
do something completely
new.
However, analyzing complex physical
problems such as these can be challenging,
even for a simulation expert.
The team needed a way to communicate
with colleagues and enable nonexperts
in mechanical simulations to
test certain parameters. The designers
Figure 4. Standardized stress results for the rotor.
20
Cov
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Tech Briefs Magazine - June 2021

Table of Contents for the Digital Edition of Tech Briefs Magazine - June 2021

Tech Briefs Magazine - June 2021 - Intro
Tech Briefs Magazine - June 2021 - Sponsor
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Tech Briefs Magazine - June 2021 - Cov1
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