Method 2: PCB Cooling Channel using Inlet Pressure and Outlet Pressure
Launch HyperWorks
- Launch Altair HyperWorks.
- In the New Session window, select HyperMesh.
- For Profile, select OptiStruct.
- Click Create New Session.
Import the Model
- On the menu bar, select .
- Navigate to and select PCB.hm.
- Click Import.
Set Up the Model
Define Material 1
- In the Model Browser, right-click and select .
- For Name, enter material1.
- For Card Image, select MAT1 from the drop-down menu.
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Enter the following material properties:
- For E, enter 210000
- For NU (Poisson's ratio), enter 0.3.
- For RHO, enter 7.85e-09.
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Select the MAT4 check box and enter the following
properties:
- For K (thermal conductivity), enter 44.0
- For CP, enter 460000000.
- For RHO, enter 7.8e-09.
- Click Close.
Define Material 2
- In the Model Browser, right-click and select .
- For Name, enter material2.
- For Card Image, select MAT1 from the drop-down menu.
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Enter the following material properties:
- For E, enter 210000
- For NU (Poisson's ratio), enter 0.3.
- For RHO, enter 7.85e-09.
-
Select the MAT4 check box and enter the following
properties:
- For K (thermal conductivity), enter 44.0
- For CP, enter 460000000.
- For RHO, enter 7.8e-09.
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Select the DARCY check box and enter the following fluid
material properties:
- KAPPA, enter 0.1.
- For MU, enter 1e-09.
- For K, enter 0.598.
- For CP, enter 4183000000.
- For RHO, enter 1e-09.
- Click Close.
Define Property 1
- In the Model Browser, double-click on Properties to open the Property Browser.
- In the browser, select property1.
- For Card Image, select PSHELL from the drop-down menu.
- For Material, select to open advanced selection.
- In the dialog, select material2 from the list.
- Click OK.
- For T (thickness), enter 0.5.
- Click Close.
Define Property 2
- In the Property Browser, select property2.
- For Card Image, select PSHELL from the drop-down menu.
- For Material, select to open advanced selection.
- In the dialog, select material1 from the list.
- Click OK.
- For T (thickness), enter 0.5.
- Click Close.
Assign a Property to a Component
Apply Loads and Boundary Conditions
Apply Heat Flux
Create the Inlet Node Set
Create the Outlet Node Set
Assign Thermal Boundary Conditions
Create Inlet Pressure and Outlet Pressure
- In the Model Browser, right-click and select .
- For Type, select SPCP from the drop-down menu.
- For GSETID, select to open advanced selection.
- In the dialog, select inlet.
- For D, enter 0.1001.
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Create a second load for outlet pressure.
- For Type, select SPCP from the drop-down menu.
- For GSETID, select to open advanced selection.
- In the dialog, select outlet.
- For D, enter 0.1.
Create a Subcase
- In the Model Browser, right-click and select .
- For name, enter CPU loading.
- For Analysis Type, select Heat Transfer (Steady State) from the drop-down menu.
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For the following selections, use
to open advanced selection.
- For SPC, specify auto1.
- For LOAD, specify auto1.
- For SPCP, specify auto1.