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TransAT Tutorial Manual                           3.2. Natural Convection in a Closed Cavity


               3.2.6    Input Tab

                   • To set up the simulation parameters, click Input at the top of the TransATUI.

               The different tabs to define the parameters of the simulation can then be selected.


               Physical Models


                   • Select the Physical models tab

                   • Select the following equations in the Basic Equations section

                     Basic Equations :
                        Pressure       : ON
                        U Velocity     : ON
                        V Velocity     : ON
                        W Velocity     : OFF
                        Temperature    : ON
                        Concentration : OFF


                   • Activate Gravity and click    to the right.

                   • Set the following parameters in the Gravity window them click   to save the settings

                        x : 0.0
                        y : −9.81
                        z : 0.0



                   • Activate Reference Properties and click      to the right.

                   • Set the following parameters in the reference properties window then click  to save the
                     settings
                        Reference Velocity : 0.1
                        Reference Length :     0.01

               Note that the reference properties are only for computing the non-dimensional numbers and does
               not affect the simulations.














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Ascomp AG Switzerland                    99                                   Version 5.7
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