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This Documentation and the Programs described herein are furnished under the In addition to this book, an extensive documentation set is available after. The new Version a adds to the long history of successful releases of the flagship Detailed step-by-step instructions are available on HTML and PDF formats. This Documentation and the Programs described herein are furnished under COMSOL Multiphysics version a contains many new functions and additions.

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Interpolation table functions and function inverses are made available in most text fields including those for initial conditions, material settings, boundary conditions, and results.

COMSOL a Release Highlights

Alternatively, for Windows, Mac, and Linux users, COMSOL can also be launched through a remote desktop connection, then opening a terminal, loading the appropriate module comsol 4.

Model Builder Tree Updates You can now select multiple nodes of the Model Builder tree simultaneously to quickly delete entire chunks of model definitions. Applications are numerous including materials engineering and environmental science.

The feature requires a graphics card with support for texture rendering. Skip to contentSkip to search. You can now select multiple nodes of the Model Builder tree simultaneously to quickly delete entire chunks of model definitions.

The screenshot shows an electrical resistance calculation for a copper wire created with a geometric sweep along an interpolation curve with x,y,z data imported from file. This enables handling of more advanced geometry objects. New Previous Node and Next Node arrow buttons helps quick navigation between modeling steps.

Major news in the Version 4. Such meshes can be generated very quickly and without human intervention. A New material container variable root. This new feature allows for mesh sweeps between differently partitioned surfaces and makes hexahedral and prismatic meshes available for a larger class of thin objects.

This option is available in the Heat Transfer physics interface and any physics interface that supports surface-to-surface radiation. Microconnector bumps are used in various types of electronic applications for interconnecting components, for instance liquid crystal displays LCDs and driver chips.


Any scalar quantity of interest can be visualized by slice plots or isosurface plots. A new Global Matrix Evaluation tool computes and displays the entire S-parameter matrix in one single step. Hello Fellows, Can anyone send me. The 3D versions of this suite of models are available from the Model Library Update. This option is available in the Interpolation settings window for 1D interpolation tables.

For a frequency or geometric sweep it computes and displays the entire matrix in a table – which can used for a response graph or surface visualization using new table graph and table surface features. This includes properties such as conductivity, permittivity, elasticity, or porosity and allows for converting spatially distributed values to a single representative averaged value.

This introduces attenuation properties to the bulk fluid in contrast to the thermoacoustic model. The geometry sequence in the Model Builder tree defines the geometric objects and the sequence of operations used to combine them into composite shapes. A new Global Matrix Evaluation tool computes and displays an entire lumped parameter matrix in one single step.

They give very little or no reflection for a wide range of frequencies and angles of incidence and generalize the concept of non-reflective boundary conditions. This model uses the level set method and also makes use of adaptive meshing.

Slices may be created by giving the total number of evenly distributed cosol planes or by exact positioning using coordinate values. The new version of the Acoustics Module has new multiphysics interfaces for thermoacoustic-solid couplings in the frequency domain for 2D, 2D axisymmetric, and 3D models.

You can now add thin-film damping to a boundary directly in the Solid Mechanics interface. A preferred way to deal with this is to use your home directory share commsol map your CIRCE home directory as a network drive. This feature is also available for other lumped parameters such as capacitance and impedance. Custom Plot Titles The Title section for plots now provides a Custom setting for creating a customized plot title.


Image Import You can now use image data to represent 2D material distributions or to identify regions with different materials by their color or gray scale. The solid inlet mass flux is kept at a rate matching the outlet flux at the top of the bed.

The Pressure Acoustics interface of the Acoustics Module includes a number of new fluid models. A new user interface usre memory conservative parametric sweeps makes it easier to run large parametric sweeps where only a few derived scalar values, and not the entire solution, need to be saved per parametric step.

Please refer to the Documentation section for a link to the guide. This modeling approach has several advantages such as avoiding the often difficult operations of image segmenting and image-to-geometry conversion. Interpolation curves in 3D can be used as the spine of a guude sweep or to guide and control mesh density as well as for postprocessing purposes.


This model considers the case when the material is sufficiently prestressed so as to obtain the maximum magnetostriction. Hello, Is posible to comsol 4. The Infinite Elements are artificial modeling domains added to the outside of the main model and automatically scales the equations to infinity.

The results are compared with experimental data. Expressions with wrong units are highlighted in orange. In addition, three new model tutorials are available: The Uswr plot type is one of the quickest ways to probe the inside of the computed domain and is available in the More Plots section of any 3D Plot Group.

Interactive slice and isosurface plots Quick interactive positioning of plot surfaces with slider control.

You can choose between Average power density or Total power.