SimcenterKnowledge

Expressions

Generating a contour plot of an expression

Use the Plot Model Contours command to generate contour plots of expressions that are based on pre-processing variables, such as spatial coordinates, time, and frequency. You can display the contour plot of the expression relative to the entire mesh, or selected 2D or 3D meshes in the model. Plotting the expression can help you review expressions you are using in boundary conditions or fields. The following shows a contour plot of an expression called SPAN plotted across the entire mesh.

After you generate the contour plot of the expression, use the post-processing tools to view and analysis the plot. For example, you can use Edit Post View to modify the display.

Where do I find it?

Application Pre/Post
Prerequisite A Simulation file or FEM file as the work part and displayed part
Command Finder Plot Model Contours
How do I

Create a user-defined expression

Create a system-defined expression

Create an expression for a measurement

Replace an expression in a formula

Test an expression

Generate a contour plot of an expression

Learn more

Expressions

System-defined and user-defined expressions

Domains

Case sensitivity in expressions

Using expressions to define boundary conditions

Finding where expressions are used

Boundary condition ID in expressions

Using unit normal vector components as variables in expressions

Special consideration when importing expressions

Specifying the default value for variables and plug-in functions

Look up more details

Example of an expression

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Command reference

Pre/Post video examples

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Generating a contour plot of an expression, Simcenter 3D 2021.1 Series

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Source: https://docs.sw.siemens.com/en-US/doc/289054037/PL20200601120302950.advanced/xid1801753 · retrieved 2026-07-17