A tri file extension is related to the Cart3D analysis package and used for its triangulation files.
TRI file extension - Cart3D triangulation
What is tri file? How to open tri files?
File type specification:
The tri file extension is associated wih the Cart3D an analysis package for conceptual and preliminary aerodynamic design compatible with Linux and Mac OS X (macOS) operating systems.
The tri file contains triangulation data.
The default software associated to open tri file:
Company or developer:
NASA (National Aeronautics and Space Administration)
Cart3D is a high-fidelity inviscid analysis package for conceptual and preliminary aerodynamic design. It allows users to perform automated CFD analysis on complex geometry.
List of recommended software applications associated to the .tri file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open tri file, edit tri file, convert tri file, view tri file, play tri file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with tri file - Cart3D triangulation
Click on the software link for more information about Cart3D. Cart3D uses tri file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).