Comsol Multiphysics 5.3.0.260

Comsol Multiphysics 5.3.0.260
Comsol Multiphysics 5.3.0.260 | 4.2 Gb

COMSOL, the leading provider of multiphysics modeling and simulation software, has released an update to COMSOL Multiphysics 5.3 software, is a general-purpose software platform, based on advanced numerical methods, for modeling and simulating physics-based problems. This release provides you with notable performance improvements as compared to earlier versions.
You will experience speedup by a factor of up to ten in software responsiveness, as well as new and improved features for solving, meshing, and the physics-based add-on modules. Version 5.3 makes it more efficient to create models and deploy and run apps.
COMSOL Multiphysics version 5.3 provides significant performance improvements as compared to version 5.2a and earlier versions. These are most noticeable when working with models made up of a variety of several thousand domains, boundaries, edges, and points.
All COMSOL software products undergo stability improvements that are introduced as updates. The following list contains the most important improvements in COMSOL version 5.3 update 2 (including those of update 1).
- Improved the responsiveness of the online context-sensitive help.
- Fixed a character-encoding error for the Simplified Chinese help desk page.
- Fixed a problem that would cause an unnecessary mesh rebuild when opening an old model; this problem only affected models using Mesh Parts under Global Definitions.
- Fixed an issue pertaining to importing a mesh to the Geometry node in the model tree or when remeshing a Deformed Geometry, where the existence of isolated edges and vertices could lead to a corrupt geometry and render the COMSOL Multiphysics software unstable.
- Added two new built-in methods for returning information associated with a model tree View node in the API; the view.geom() method returns either the geometry sequence or null for views not associated with a geometry, while the view.getSDim() method returns the space dimension.
- Changed the default constraint method for periodic conditions from the Elemental type to Nodal; this change makes the default constraint method consistent with earlier versions.
- Improved the terminology in the COMSOL Desktop user interface for the Spanish and French languages.
- Improved the performance of initialization of solutions and made other miscellaneous performance improvements.
- Added an error message for when unmeshed domains are included in the selection of the Geometrical Optics or Ray Acoustics interfaces; ordinarily, unmeshed domains and voids should be excluded from the physics interface selection in these cases.
- Fixed a problem that prevented opening MPH-files stored on a Samba® disk when running on macOS operating system software.
- Added functionality so that the iterative solver suggestion now works for acoustic-structure interaction in the time domain.
- Fixed a problem related to accessing locally installed help files when running COMSOL Multiphysics connected to a remote COMSOL Multiphysics® server session.
- Improved the performance of certain variables used in the interfaces based on the boundary element method for the case where these were evaluated inside component coupling operators.
- Fixed a problem with the COMSOL Multiphysics server so that it now works properly on Linux clusters.
- The predefined iterative solver suggestion for acoustic-piezoelectric interaction models now works in the time domain.
- Fixed several stability issues.
- Improved the performance of some of the demo applications in the Application Libraries.
- Improved the performance of certain variables used in the interfaces based on the boundary element method for the case where these were evaluated inside component coupling operators.
- Corrected the formulation of the time-domain PML for pressure acoustics in order to eliminate unwanted reflections for 2D axisymmetric models.
- Fixed an issue pertaining to performing Defeaturing and Repair where the error message "Error when serializing reference to: GeomObject" would appear when attempting to run a Study a second time.
- Fixed a problem with using the File Import for CATIA V5 product where importing certain CATIA V5 files incorrectly gave the error "File version is not supported" in version 5.3.
- Updated the Two-Phase Flow multiphysics coupling node in the model tree so that the temperature input field is always visible.
- Updated the step-by-step modeling instructions for the Zone Electrophoresis model.
- Fixed a problem with importing ODB++ files where certain text objects were not automatically identified and ignored.
- Improved the step-by-step modeling instructions for the Rotating Cylinder Hull Cell model.
- Fixed an error in the isotropic hardening option when used together with an elliptic cap in the soil plasticity material models.
- Corrected the expressions used for the postprocessing variables nteflux and nteeflux for models based on the Thermoelectric Effect interface.
- Enabled Thermal Expansion for models with an Isothermal Domain.
- Fixed a problem with the definitions of the Td and Tu variables, available on boundaries, which would occur in some configurations where an Isothermal Domain interface and a Thin Layer were combined.
- Improved the equation display for the Moist Air version of the Moisture Transport interface.
- Fixed a problem where selections would sometimes not work subsequent to adding a feature node in the Model Builder of the One Window interface.
- Fixed a problem pertaining to using mphstart and mphlaunch when there was a space in the installation path of COMSOL Multiphysics.
- Fixed a problem pertaining to mphnavigator that would occur when clicking "Copy set" and simultaneously selecting a parameter node in the model tree.
- Fixed a circular dependency error that would sometimes occur when combining viscoelasticity with a user-defined hyperelastic material.
- Fixed an undefined variable error that could occur with the Symmetry boundary condition in the Heavy Species interface.
- Added the correct weak contributions for the Flux condition in the Heavy Species Transport interface on boundaries with a nonzero normal velocity.
- Corrected the description of the gopminop1 component coupling, which contained an error.
- Fixed a problem with the Illuminated Surface feature so that the initialization of ray intensity now works in 2D axisymmetric models.
- Fixed a problem with the Inlet feature for the Geometrical Optics interface so that ray direction initialization now works in 2D axisymmetric models.
- Corrected an error where, in certain cases, the strain variable computed in a Spring Foundation node had the wrong sign.
- Updated the heat source term for the Thermoelasticity interface so that it is now nonzero only when the Structural transient behavior setting is set to Include inertial terms.
- Corrected an error that made it impossible to use a Point Mass condition in the 2D version of the Beam interface; this error occurred in cases where the Study property Include geometric nonlinearity was enabled.
- Fixed an error in the External Stress node in the Shell interface where the added stress could become incorrect if the Global coordinate system option was selected and another coordinate system was simultaneously used in the Shell Local System node in the model tree.
- Fixed a problem where the computed moment was incorrect in cases where Evaluate reaction forces had been selected for a Rigid Connector in the Solid Mechanics interface; the result was previously scaled by the area of the boundaries to which the Rigid Connector was attached.
- Fixed a problem in the Beam interface that made it impossible to use variables or expressions in the input fields for Section Orientation.
- Fixed a problem that would occur when the Solid Mechanics interface was used together with the Optimization Module interfaces in certain cases, causing an excessive number of constraints to be generated.

COMSOL provides simulation software for product design and research to technical enterprises, research labs, and universities through 18 offices and a distributor network throughout the world. Its flagship product, COMSOL Multiphysics, is a software environment for modeling and simulating any physics-based system. A particular strength is its ability to account for coupled or multiphysics phenomena. Add-on products expand the simulation platform for electrical, mechanical, fluid flow, and chemical applications. Interfacing tools enable the integration of COMSOL Multiphysics simulation with all major technical computing and CAD tools on the CAE market.
Comsol Multiphysics
5.3 Build 260 (19 June 2017)
x64

multilanguage
PC / Linus / MacOsx

4.2 Gb
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