Magnetics Business & Technology - Summer 2017 - 15

NEW PRODUCTS
Users handling large
CFD models will benefit
from the new algebraic
multigrid (AMG) solver
implemented in version
5.3. The AMG solver requires only a single mesh
level and is now the default option for many
fluid flow and transport
phenomena interfaces.
Users modeling turbulent flows can benefit
from more robust computations with the automatic treatment of walls.
This feature blends highfidelity low-Reynolds formulation with wall functions.
The Model Builder now more rapidly handles geometry and mesh
operations for models with large arrays and complicated solid operations in 3D. Users working with models and geometry requiring
the use of several element types will benefit from the automatic
generation of pyramidal elements to handle the transition between
swept, hexahedral, prismatic and tetrahedral meshes. A new option
for automatic geometry defeaturing through virtual geometry operations is now available to users.
"We continue to see improved performance for large models
across the board. This is not only about solution time but also how
the software handles large models in the user interface, including
geometry and mesh," said Bjorn Sjodin, VP of Product Manage-

ment, COMSOL, Inc.
With the introduction of model methods in version 5.3, it is easy
to automate repetitive operations directly in the Model Builder.
"You can now simply record a set of operations, like a macro, and
use the resulting method while setting up or solving a model. This is
an important usability feature with many possible applications. For
example, you can create a reusable model method that generates a
complicated array of geometric objects to expand on the standard
functionality of the Model Builder," continues Sjodin.
The algebraic multigrid (AMG) solver allows for solving large fluid
flow problems with a single mesh level. The simulation process is
more robust for problems such as fluid-structure interaction in a
solar panel.
The Application Libraries feature more than 50 new and updated tutorial models, allowing users to quickly adopt new features,
tools, and modeling techniques. The tutorials span several areas,
from permanent magnet motors, cables, and horn antennas, to
supersonic flows, electronics cooling, and vibration and noise in
a gearbox.
The Application Builder allows simulation specialists to create
apps based on their multiphysics models. The app interface can be
easily customized and accessed via a browser or a Windows client,
which connects to a local installation of COMSOL Server. Updates
to COMSOL Server include comprehensive log files for user activity
as well as a centralized cluster administration setting in the COMSOL Server web interface for easy setup of running apps on clusters.
In the Application Builder, app designers can now define customized actions when clicking on plots in graphics objects, enabling the
easy creation of interactive apps.

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08/11/12 09:49

Summer 2017 * Magnetics Business & Technology

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Table of Contents for the Digital Edition of Magnetics Business & Technology - Summer 2017