TCAD Semiconductor Device Simulator
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DEVSIM - TCAD Device Simulator

DEVSIM is a tool for TCAD Device Simulation, using finite volume methods. The source code is provided by Devsim LLC. It is licensed under the Apache 2.0 License. Example scripts are also provided under this license. Other files are subject to the license terms of their copyright owners.

Supported Platforms:

  • macOS 10.13 (High Sierra)
  • Microsoft Windows (32, 64 bit)
  • Red Hat 6 (Centos Compatible)
  • Ubuntu 14.04 (LTS)

Binary releases are currently available from GitHub.

Software Features:

  • Documentation
  • Python and Tcl scripting
  • DC, small-signal AC, impedance field method, transient
  • User specified partial differential equations (PDE).
  • 1D, 2D, and 3D simulation
  • 1D, 2D mesher
  • Import 3D meshes.
  • 2D cylindrical coordinate simulation
  • ASCII file format with PDE embedded.

Please see INSTALL file for installation instructions from source. Please see NOTICE and LICENSE files for copyright and license information.


Documentation available in doc/devsim.pdf and online. Windows specific information is available in windows.txt.


The official website is here:


For support and general discussion, please join our forum:

Or chat on gitter:


Please see: Contribution guidelines for this project