Author: John Singleton, Cornell University
Problem Specification
1. Pre-Analysis & Start-Up
2. Geometry
3. Mesh
4. Setup (Physics)
5. Solution
6. Results
7. Verification and Validation
Exercises
4. Setup (Physics)
Material Properties
At this point, the material, Cornellium, will be assigned to the geometry. To assign the material, expand Geometry, , in the tree outline. Next, click on Surface Body, . Then set Assignment to Cornellium in the "Details of Surface Body" table, as shown below.
Adiabatic Boundaries
The top and left sides of the rectangular domain are perfectly insulated. In order to incorporate these boundary conditions, first (Right Click) Steady-State Thermal > Insert > Perfectly Insulated, as shown below.
Next, hold down Control and click on the top and left sides of the rectangle. The purpose of holding down Control is that it allows you to select multiple items. Then, (Click) Apply in the "Details of Heat Flow" table.
Isothermal Boundary
The bottom side of the rectangular domain has a constant temperature of theta=1. To implement this boundary condition, (Right Click) Steady-State Thermal > Insert > Temperature , as shown below.
Next, click on the bottom side of the rectangle and (Click) Apply in the "Details of Temperature" table. Then, set Magnitude to 1 degree Celsius as shown below.
Convective Boundary
The right side of the rectangle has a convective boundary condition with a Biot Number of 5 and and ambient temperature of 0. To implement this boundary condition, (Right Click) Steady-State Thermal > Insert > Convection , as shown below.
Next, click on the right side of the rectangle and (Click) Apply in the "Details of Convection" table. Then, set the Film Coefficient to 5 and set the Ambient temperature to 0 degrees Celsius, as shown below.
This, concludes the setup process.
Save
Save the project now. Do not close Mechanical.
Go to Step 5: Solution
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