DEVSIM Manual

This is the manual for the DEVSIM TCAD Semiconductor Device Simulator. For more information, please visit https://devsim.org. The PDF version is available from https://devsim.org/introduction.html#manual.

Contents:

• 1. Front Matter
  • 1.1. Contact
  • 1.2. Copyright
  • 1.3. Documentation License
  • 1.4. Disclaimer
  • 1.5. Trademark
• 2. Release Notes
  • 2.1. Introduction
  • 2.2. Release 1.4.11
  • 2.3. Release 1.4.10
  • 2.4. Release 1.4.9
  • 2.5. Release 1.4.8
  • 2.6. Release 1.4.7
    • 2.6.1. Models
    • 2.6.2. Platforms
  • 2.7. Release 1.4.6
    • 2.7.1. Version Information
    • 2.7.2. Extended Precision
    • 2.7.3. Python Formatting
    • 2.7.4. Platforms
    • 2.7.5. External Meshing
  • 2.8. Release 1.4.5
  • 2.9. Release 1.4.4
    • 2.9.1. Bug Fixes
    • 2.9.2. Documentation
    • 2.9.3. Internal changes
  • 2.10. Release 1.4.3
  • 2.11. Release 1.4.2
  • 2.12. Release 1.4.1
    • 2.12.1. Math Functions
    • 2.12.2. Element Model Memory Leak
    • 2.12.3. Python 3 API Memory Leak
  • 2.13. Release 1.4.0
  • 2.14. Release 1.3.0
    • 2.14.1. Python 3 Examples
    • 2.14.2. Tcl Support Deprecated
    • 2.14.3. Binary Releases
  • 2.15. Release 1.2.0
  • 2.16. Release 1.1.0
  • 2.17. Release 1.0.0
    • 2.17.1. Documentation
    • 2.17.2. Version
    • 2.17.3. Operating Systems
    • 2.17.4. Python Support
    • 2.17.5. GMSH Support
    • 2.17.6. CGNS Support
  • 2.18. July 20, 2018
    • 2.18.1. Documentation
    • 2.18.2. Python 3 Support
    • 2.18.3. Element Information
    • 2.18.4. Interface Boundary Condition
    • 2.18.5. Interace Equation Coupling
    • 2.18.6. Interface and Contact Surface Area
    • 2.18.7. Bug Fixes
    • 2.18.8. Extended Precision
  • 2.19. May 15, 2017
    • 2.19.1. Platforms
    • 2.19.2. Binary Releases
    • 2.19.3. Bug Fixes
    • 2.19.4. Enhancements
    • 2.19.5. Example Availability
  • 2.20. February 6, 2016
  • 2.21. November 24, 2015
    • 2.21.1. Python Help
    • 2.21.2. Manual Updates
  • 2.22. November 1, 2015
    • 2.22.1. Convergence Info
    • 2.22.2. Python Interpreter Changes
    • 2.22.3. Platform Improvements and Binary Availability
  • 2.23. September 6, 2015
  • 2.24. August 10, 2015
  • 2.25. July 16, 2015
  • 2.26. June 7, 2015
  • 2.27. October 4, 2014
    • 2.27.1. Platform Availability
  • 2.28. December 25, 2013
    • 2.28.1. Binary Availability
    • 2.28.2. Platforms
    • 2.28.3. Source code improvements
  • 2.29. September 8, 2013
    • 2.29.1. Convergence
    • 2.29.2. Bernoulli Function Derivative Evaluation
    • 2.29.3. Default Edge Model
  • 2.30. August 14, 2013
    • 2.30.1. SYMDIFF functions
    • 2.30.2. Default Node Models
    • 2.30.3. Set Node Value
    • 2.30.4. Fix Edge Average Model
  • 2.31. July 29, 2013
    • 2.31.1. DEVSIM is open source
    • 2.31.2. Build
    • 2.31.3. Contact Material
    • 2.31.4. External Meshing
    • 2.31.5. Math Functions
    • 2.31.6. Test directory structure
• 3. Introduction
  • 3.1. Overview
  • 3.2. Goals
  • 3.3. Structures
  • 3.4. Equation assembly
  • 3.5. Parameters
  • 3.6. Circuits
  • 3.7. Meshing
  • 3.8. Analysis
  • 3.9. Scripting interface
  • 3.10. Expression parser
  • 3.11. Visualization and postprocessing
  • 3.12. Installation
  • 3.13. Additional information
  • 3.14. Examples
• 4. Equation and Models
  • 4.1. Overview
  • 4.2. Bulk models
    • 4.2.1. Node models
    • 4.2.2. Edge models
    • 4.2.3. Element edge models
    • 4.2.4. Model derivatives
    • 4.2.5. Conversions between model types
    • 4.2.6. Equation assembly
  • 4.3. Interface
    • 4.3.1. Interface models
    • 4.3.2. Interface model derivatives
    • 4.3.3. Interface equation assembly
  • 4.4. Contact
    • 4.4.1. Contact models
    • 4.4.2. Contact model derivatives
    • 4.4.3. Contact equation assembly
  • 4.5. Custom matrix assembly
  • 4.6. Cylindrical Coordinate Systems
• 5. Parameters
  • 5.1. Parameters
  • 5.2. Material database entries
  • 5.3. Discussion
• 6. Circuits
  • 6.1. Circuit elements
  • 6.2. Connecting devices
• 7. Meshing
  • 7.1. 1D mesher
  • 7.2. 2D mesher
  • 7.3. Using an external mesher
    • 7.3.1. Gmsh
    • 7.3.2. Custom mesh loading using scripting
  • 7.4. Loading and saving results
• 8. Solver
  • 8.1. Solver
  • 8.2. DC analysis
  • 8.3. AC analysis
  • 8.4. Noise/Sensitivity analysis
  • 8.5. Transient analysis
• 9. User Interface
  • 9.1. Starting DEVSIM
  • 9.2. Python Language
    • 9.2.1. Introduction
    • 9.2.2. DEVSIM commands
    • 9.2.3. Advanced usage
    • 9.2.4. Unicode Support
  • 9.3. Error handling
    • 9.3.1. Python errors
    • 9.3.2. Fatal errors
    • 9.3.3. Floating point exceptions
    • 9.3.4. Solver errors
    • 9.3.5. Verbosity
    • 9.3.6. Parallelization
• 10. SYMDIFF
  • 10.1. Overview
  • 10.2. Syntax
    • 10.2.1. Variables and numbers
    • 10.2.2. Basic expressions
    • 10.2.3. Functions
    • 10.2.4. Commands
    • 10.2.5. User functions
    • 10.2.6. Macro assignment
  • 10.3. Invoking SYMDIFF from DEVSIM
    • 10.3.1. Equation parser
    • 10.3.2. Evaluating external math
    • 10.3.3. Models
• 11. Visualization
  • 11.1. Introduction
  • 11.2. Using Tecplot
  • 11.3. Using Postmini
  • 11.4. Using Paraview
  • 11.5. Using VisIt
  • 11.6. DEVSIM
• 12. Installation
  • 12.1. Availability
  • 12.2. Supported platforms
  • 12.3. Binary availability
  • 12.4. Source code availability
  • 12.5. Directory Structure
  • 12.6. Running DEVSIM
• 13. Additional Information
  • 13.1. DEVSIM License
  • 13.2. SYMDIFF
  • 13.3. External Software Tools
    • 13.3.1. Gmsh
    • 13.3.2. Paraview
    • 13.3.3. Tecplot
    • 13.3.4. VisIt
  • 13.4. Library Availablilty
    • 13.4.1. BLAS and LAPACK
    • 13.4.2. Python
    • 13.4.3. SQlite3
    • 13.4.4. SuperLU
    • 13.4.5. zlib
• 14. Command Reference
  • 14.1. Circuit Commands
  • 14.2. Equation Commands
  • 14.3. Geometry Commands
  • 14.4. Material Commands
  • 14.5. Meshing Commands
  • 14.6. Model Commands
  • 14.7. Solver Commands
• 15. Bibliography
• 16. Example Overview
  • 16.1. capacitance
  • 16.2. diode
  • 16.3. bioapp1
  • 16.4. vector_potential
  • 16.5. mobility
• 17. Capacitor
  • 17.1. Overview
  • 17.2. 1D Capacitor
    • 17.2.1. Equations
    • 17.2.2. Creating the mesh
  • 17.3. Setting device parameters
    • 17.3.1. Creating the models
    • 17.3.2. Contact boundary conditions
    • 17.3.3. Setting the boundary conditions
    • 17.3.4. Running the simulation
  • 17.4. 2D Capacitor
  • 17.5. Defining the mesh
  • 17.6. Setting up the models
  • 17.7. Fields for visualization
  • 17.8. Running the simulation
• 18. Diode
  • 18.1. 1D diode
    • 18.1.1. Using the python packages
    • 18.1.2. Creating the mesh
  • 18.2. Physical Models and Parameters
    • 18.2.1. Plotting the result

Indices and tables

• Index

• Module Index

• Search Page