About this Manual
=================

This is the user's reference manual of the Tdyn CFD+HT module
of Tdyn. This module provides an entire engineering solution for
solving problems involving fluid and porous media flow, heat
transfer and multi-physics.

In this manual, different kinds of fonts are used to help the users follow all the possibilities offered by the program Tdyn CFD+HT:

* **font** is used for the options found in the menus, tree and windows.
* *font* is used for fields found in the tree entries of **Conditions & Initial Data**, **Materials**, and **General Data**.