Coreform Trelis

Advanced meshing for challenging simulation

Coreform Trelis is a high-end, commercial-grade pre-processor for complex FEA and CFD simulation. For more than two decades, Coreform (formerly csimsoft) and Sandia have co-developed CUBIT to do Sandia's really challenging simulation. Now, commercial and academic users can use the non-govenrment version, Coreform Trelis, for their tough meshing problems.

Three versions of Coreform Trelis

Because CFD and FEA needs are different, Coreform offers three Coreform Trelis versions:

Coreform Trelis

Coreform Trelis FEA has features and mesh schemes specifically designed to meet the needs of FEA users. Coreform Trelis CFD includes powerful tools and boundary layer features for doing difficult CFD simulation. Coreform Trelis Pro combines all the features of Coreform Trelis FEA and Coreform Trelis CFD into one robust package.

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Coreform Trelis features

Coreform Trelis raises the standard for FEA and CFD pre-processing. Companies worldwide realize how critical mesh generation is to FEA and CFD analysis. Our customers use Coreform Trelis to get high-quality meshes that give them the very best results. Here are some of the reasons why people are using Coreform Trelis for challenging simulation.

Intuitive environment

Coreform Trelis includes both a convenient command line interface with an extensive command language as well as a polished graphical user interface environment.

ITEM Wizard

Immersive Topology Environment for Meshing (ITEM) is a wizard-like tool that walks users through the meshing process. It uses Coreform Trelis's power tools for easy geometry cleanup and for generating the best possible mesh.

Powerful meshing algorithms

For decades, we've been developing FEA meshing algorithms to handle difficult geometries. That's why engineers turn to Trelis when they can't get the right mesh with built-in meshers. Trelis generates high-quality quad and triangle, hexahedral, tetrahedral, and mixed meshes.

Decomposition tools

Geometry decomposition is often required to generate an all-hexahedral mesh for three-dimensional solids. "Web cutting" is cutting an existing body into two or more pieces through the use of a cutting tool. Coreform Trelis has several methods for making web cuts.

ITEM Watch our tutorials and videos on using Coreform Trelis's tool to decompose models for meshing.

Geometry creation, cleanup, and defeaturing

There are three primary ways of creating geometry for meshing in Coreform Trelis.

  • Geometry primitives for building models
  • "Bottom up" geometry from vertex, curves, and surfaces
  • CAD files imported from another application

Coreform Trelis supports many common CAD formats. See Coreform Trelis Data Translators for more information about supported file formats.

Sometimes models imported from a CAD program will either provide too much detail for mesh generation or the geometry is deficient. This can be corrected by making changes to the model. Coreform Trelis has excellent tools for cleanup and defeaturing.

Coreform Trelis's Power Tools help users to identify problems with geometry before meshing and recommend solutions for getting it ready for meshing. After a mesh is generated, additional Power Tools check the mesh quality based on various metrics and values the user specifies.

  • Defeature and repair geometry
  • Diagnose meshability and suggest decomposition
  • ITEM

Powerful scripting, journal files (commands and Python)

Coreform Trelis utilizes a rich command language that can be stored as a journal file. These scripts can be used to parameterize the construction of models to determine design sensitivity and to capture repetitive meshing processes.

Coreform Trelis commands can be saved in journal files that can be reused and shared. These journal files can be used to automate specific tasks or the entire meshing process. Coreform Trelis also has the ability to interpret Python scripts, giving users the full capability of the Python scripting language.

The Coreform Trelis GUI commands are automatically saved to an external temporary journal file on the user's hard drive and in the History window. Reviewing these commands is a great way to become familiar with Coreform Trelis's command language. Journal files can be created and played to reproduce a part of or the entire process of building an analysis model.

Coreform Trelis gives users the ability to parameterize the construction of the model and evaluate design sensitivity. Parameters representing dimensions of objects may be defined in the script and easily adjusted to modify the geometry.

Supported file format

Meshes generated with Coreform Trelis are exported with specified boundary conditions to many standard FEA and CFD formats. If Coreform Trelis doesn't support a particular file format, Coreform Trelis's public mesh export API allows users to write their own exporter for any file format.

Learn More Learn more about supported formats

Customizable components

Coreform Trelis users use the CubitInterface API (C++ and Python) to extend Coreform Trelis by building custom components that are focused on solving a specific problem or type of problem. Coreform Trelis's GUI components are extensible and modifiable so users can customize the interface to suite their needs.

Try Coreform Trelis for yourself

See for yourself why Coreform Trelis is Tthe pre-processor of choice of engineers worldwide. Try Coreform Trelis Pro on your own models free for 30 days.