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{include: ANSYS WB - Modal Analysis of a Wing - Panel}
{include: ANSYS Google Analytics}

h1. Pre-Analysis & Start-Up

h3. Open ANSYS Workbench

Open ANSYS Workbench by going to Start > ANSYS > Workbench. This will open the start up screen seen as seen below

!OpenANSYS.png!

To begin, we need to tell ANSYS what kind of simulation we are doing. If you look to the left of the start up window, you will see the Toolbox Window. Take a look through the different selections. We are doing a modal analysis simulation. Load the {color:#990099}{*}{_}Modal(ANSYS){_}{*}{color} box by dragging and dropping it into the Project Schematic. 

!Start Up Screen 2.png!
 
Name the project {{Modal Analysis of an Airfoil}}. Now we need to specify what type of material we are working with. Double click {color:#990099}{*}{_}Engineering Data{_}{*}{color} and it will take you to the Engineering Data Menus. 

!Engineering Data.png!

If you look under the _Outline of Schematic A2: Engineering Data_ Window, you will see that the default material is Structural Steel. The Problem Specification specifiesstates thewe material'swill Modulusbe ofusing Elasticity and Poisson ratioAluminum 6061-T6. To add changea thenew material, first right click structuralin steelan underempty thebox _Outline of Schematic A2: Engineering Data_ Window and delete it. Tolabeled {color:#990099}{*}{_}Click here to add a new material, click in an empty box{_}{*}{color} and give it a name. WeOur will be using 6061-T6 Aluminum. Name the materialMaterial is {{Al 6061-T6}}. On the left hand side of the screen in the _Toolbox_ window, go toexpand {color:#990099}{*}{_}Physical Properties >  DensityLinear Elastic{_}{*}{color} toand define the density. Set the density as .0975 lb/in^3. Next, go todouble click  {color:#990099}{*}{_}Linear Elastic > IsotropicIsotropic Elasticity{_}{*}{color} to specify E and {latex}$\nu${latex}. In the _Properties of Outline Row 4: Al 6061-T6_ window, Set the Elastic Modulus asunits 1e7 psito {color:#990099}{*}{_}psi{_}{*}{color}, set the magnitude as {{1E7}}, and set the Poisson Ratio to {{0.33}}. 

{info:title = Units}
There is no need about using one unit system in ANSYS. If you input the geometry in metric units and the material properties in English units, ANSYS will still calculate the correct results as long as you specify what units you are using.
{info}

Now that the Material has been specified, we are ready to load the geometry in ANSYS.

Continue to [Step 2 - Geometry| ANSYS WB - Modal Analysis of a Wing - Geometry]
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