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Ansys Thermal Desktop
Heat Transfer & Fluid Flow Modeling Software

From comprehensive two-phase flow capabilities to advanced finite element analysis, our world-class software is a critical tool for any thermal or fluids engineer.

Ansys Thermal Desktop for Thermal-Centric Modeling

Ansys Thermal Desktop includes all aspects of thermal model creation, including built-in finite difference, finite element, and lumped capacitance objects that can be combined into any configuration to solve complex thermal and fluid flow problems. With Thermal Desktop, users across a range of industries can build virtual prototypes to design more robust products, ranging from automotive components to manned spacecrafts.

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    Integrates with Ansys Fluent, Mechanical, Model Center & STK
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    FEM, FD, Thermal Radiation and Flow in a Single Environment
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    Orbital environment modeling
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    Propulsion and network flow modeling
Ansys Thermal Desktop

Quick Specs

Thermal Desktop enables concurrent engineering for thermal and fluid analysts by providing full access to CAD-based geometry as well as data exchange to and from structural codes without compromising traditional thermal modeling practices.

  • Full Parameterization
  • Automatic Model Correlation
  • Temperature & Heat Flow Visualization
  • Complete Post-Processing of Thermal Data
  • Advanced Meshing Software
  • Multi-processor Support for Radiation Calculations

March 2026

What's New

Explore the latest features in Ansys Thermal Desktop in the 2026 R1 release.

Thermal Desktop TD Designer 2026 R1
TD Designer

TD Designer is a standalone application based on the Discovery platform, replacing TD Direct and SpaceClaim. It does not require a Discovery license. Ansys Thermal Desktop allows you to run TD Designer and Thermal Desktop concurrently.

Thermal Desktop Participating Media 2026 R1
Participating Media

Radiation can be absorbed or emitted in solid elements, like thick glass and optically thick simple gas flows. It is currently restricted to thermal solids.

Compartment Based Vessel Thermal Desktop 2026 R1
Performance Improvements

Performance gains in compartment-based vessel models by optimizing wet/dry tracking of walls and internal structures.

Applications

View all Applications
Thermal Analysis Simulation

Thermal Analysis Simulation

Know how thermal energy will affect the efficiency, reliability and safety of your products.

Chip thermal method

Ansys software is accessible

It's vital to Ansys that all users, including those with disabilities, can access our products. As such, we endeavor to follow accessibility requirements based on the US Access Board (Section 508), Web Content Accessibility Guidelines (WCAG), and the current format of the Voluntary Product Accessibility Template (VPAT).