COMSOL 5.2 Update 1

Released February 3, 2016

This update corrects a few bugs and stability issues in Version 5.2 of COMSOL Multiphysics, COMSOL Server, and COMSOL Client.

Contents:

  • Updating COMSOL Multiphysics
  • Updating COMSOL Server
  • Updating COMSOL Client
  • Update Details (available in a separate tab)

Updating COMSOL Multiphysics

1

Check your version

Make sure that you run COMSOL version 5.2.0.166 or later. Start COMSOL, and check the version in the Messages window. Be sure to close all COMSOL® sessions before installing the update.

2

Download Update

In some browsers, such as Internet Explorer, you get a dialog box where you can click Run directly after download. Before clicking Run, make sure again that you have closed all COMSOL sessions. In other browsers, such as Chrome, you have to select the downloaded file and run it, see step 3 below.

Additional product-specific updates

If you have a license for any of the following products:

  • CAD Import Module
  • Design Module
  • LiveLink™ for AutoCAD®
  • LiveLink™ for PTC® Creo® Parametric™
  • LiveLink™ for PTC® Pro/ENGINEER®
  • LiveLink™ for Revit®
  • LiveLink™ for Solid Edge®

also download the additional update:

If you have a license for LiveLink™ for Excel®, also download the additional update for this product:

If you have a license for LiveLink™ for Inventor®, also download the additional updates for this product:

If you have a license for LiveLink™ for SOLIDWORKS®, also download the additional updates for this product:

If you have a license for LiveLink™ for MATLAB®, also download the additional updates for this product:

3

Install

Before you proceed with the installation, make sure to exit any running COMSOL process.

Windows

Run the downloaded .exe-file to extract the update to the COMSOL 5.2 installation directory, for example C:\Program Files\COMSOL\COMSOL52\Multiphysics.

Linux

Copy the downloaded .tar.gz-file to the COMSOL 5.2 installation directory:

cp comsol_5.2.0.220_linux.tar.gz [installdir]

where [installdir] is the root of the installation, for example /usr/local/comsol52/multiphysics. Unpack it by the commands:

cd [installdir]
tar xvzf comsol_5.2.0.220_linux.tar.gz

Macintosh

Double-click the downloaded .dmg file to mount the disk image. In the Finder, open the mounted disk and double-click the COMSOL installer icon. Select your COMSOL installation folder, usually called COMSOL52/Multiphysics.

Unmount the disk image

4

Check your installation

  1. Start COMSOL Multiphysics.
  2. On the Help menu, click About COMSOL Multiphysics.
  3. Check that the version number is 5.2.0.220. (If not, the installation did not succeed.)

Updating COMSOL Server

1

Check your version

Make sure that you run COMSOL version 5.2.0.166 or later. Open [installdir]/uninstall/fl.ver in a text editor to check your version. Be sure to close all COMSOL® sessions before installing the update.

If you have installed COMSOL Server as a service, make sure to stop this service. You can stop the COMSOL service using the following procedure:

  • Select the Services dialog box found on the Start Menu: Control Panel > System and Security > Administrative Tools > Services.
  • Right-click the COMSOL service and select Stop.
2

Download Update

In some browsers, such as Internet Explorer, you get a dialog box where you can click Run directly after download. Before clicking Run, make sure again that you have closed all COMSOL sessions. In other browsers, such as Chrome, you have to select the downloaded file and run it, see step 3 below.

Additional product-specific updates

If you have a license for CAD Import Module, also download the additional update for this product:

3

Install

Before you proceed with the installation, make sure to exit any running COMSOL process.

Windows

Run the downloaded .exe-file to extract the update to the COMSOL 5.2 installation directory, for example C:\Program Files\COMSOL\COMSOL52\Server.

Linux

Copy the downloaded .tar.gz-file to the COMSOL 5.2 installation directory:

cp comsol_5.2.0.220_linux_server.tar.gz [installdir]

where [installdir] is the root of the installation, for example /usr/local/comsol52/server. Unpack it by the commands:

cd [installdir]
tar xvzf comsol_5.2.0.220_linux_server.tar.gz

Macintosh

Double-click the downloaded .dmg file to mount the disk image. In the Finder, open the mounted disk and double-click the COMSOL installer icon. Select your COMSOL installation folder, usually called COMSOL52/Server.

Unmount the disk image

4

Check your installation

Open [installdir]/uninstall/fl.ver in a text editor and ensure that it says:
ver.build=220
ver.major=0
ver.name=COMSOL 5.2

5

Starting COMSOL as a service (Windows® only)

If you have installed COMSOL Server as a Windows® service, make sure to start this service after installation. You can start the COMSOL service using the following procedure:

  • Select the Services dialog box found on the Start Menu: Control Panel > System and Security > Administrative Tools > Services.
  • Right-click the COMSOL service and select Start.

Updating COMSOL Client

To update COMSOL Client to version 5.2.0.220, just uninstall COMSOL Client and then download the new version from www.comsol.nl/client-download/5.2.0.220 and reinstall.

Your installation of COMSOL Client must have the same version number as the COMSOL Server you connect to.

Update Details for Update 1

COMSOL Multiphysics
  • Improved performance when loading large data files in interpolation functions
  • Copying functions from a material under a Switch node now works correctly
  • The report generation now works correctly also for models that include external MATLAB® functions
  • Asian characters now work in annotations
  • A problem with duplicating External function nodes has been corrected
  • Histogram plots now exclude NaN (not-a-number) values
  • It is now possible to select and copy geometry measurements in the Measure window
  • Stability improvements
Application Builder
  • Temporary directories from apps are now correctly cleaned up when running with COMSOL Server
  • Stability improvements
AC/DC Module
  • External Materials now work correctly in the Magnetic Field Formulation physics interface
Acoustics Module
  • Model inputs are now available for the Compressible Potential Flow model.

Batteries & Fuel Cells Module

  • Fixed issue with defining concentration dependent intercalating concentration diffusion coefficient on the intercalating extra dimension in the Porous Electrode and Additional Porous Electrode Material nodes in the Lithium-ion Battery and Battery with Binary Electrolyte interfaces.
CFD Module
  • The default value for the maximum number of nonlinear iterations has been increased from 25 to 100 when solving Laminar Flow models
  • Stability improvements
Chemical Reaction Engineering Module
  • Specifying a User-defined turbulent Schmidt number now works correctly in the Reacting Flow interface
  • Stability improvements
Heat Transfer Module
  • Fixed thin rod implementation when the component contains moving mesh
  • Fixed opaque surface heat flux definition in radiation in participating media when P1 method is selected
  • Improved mixing cup temperature definition on boundaries when the flow goes in and out
  • Fixed thin shell heat source implementation when the component contains moving mesh
  • Fixed layer heat source implementation when the component contains moving mesh
  • Improved mesh adaption criterion for heat transfer with phase change
  • Stability improvements
Particle Tracing Module
  • Release from Data File feature no longer skips the second column of data when initializing particle position in 2D axisymmetric models with no out-of-plane degrees of freedom.
  • Fixed an error in the reinitialization of particle velocity components when using the "Diffuse reflection" Wall condition in 2D axisymmetric models with out-of-plane degrees of freedom.
  • A problem with the initialization of particle velocity and auxiliary variables using data imported from two or more text files in a single physics interface has been corrected.
  • Stability improvements
Ray Optics Module
  • Fixed an error caused by using the Illuminated Surface release feature while the Compute phase check box is selected in the settings window for the Geometrical Optics physics interface.
Structural Mechanics Module
  • External Stress-Strain Relation now defines also second Piola-Kirchhoff stresses as postprocessing variables
  • Contribution to Mass Properties from Added Mass in 2D has been corrected
  • The solver for Linearized buckling now computes only one buckling mode as default
  • The accuracy of the slip velocity when contact and friction are used together with the generalized alpha time stepping algorithm has been significantly improved
  • A problem where the rotations in the Shell interfaces could be erroneous over an edge where the adjacent boundaries had different normal directions has been corrected
  • A problem in the definition of slip variables for contact with friction has been corrected in the Solid Mechanics interface. The issue could affect, for example, models where an object reattaches to the source boundary after a full revolution.
  • Stability improvements
Subsurface Flow Module
  • The Two-Phase Darcy's Law interface is now available with the Subsurface Flow Module
  • Stability improvements
CAD Import Module
Corrosion Module
ECAD Import Module
LiveLink™ for Inventor®
LiveLink™ for MATLAB®
LiveLink™ for SOLIDWORKS®
Optimization Module
Pipe Flow Module
RF Module
Wave Optics Module
  • Stability improvements