Model additional thermal resistance in a bolted joint

You can accurately model the additional thermal resistance of a mechanical joint without modeling the connection in detail.

1. When you define the Thermal Coupling simulation object, select one plate as the Primary Region and the other plate as the Secondary Region.

2. In the Type list, select Total Resistance.

3. In the Value box, specify the resistance value. Values for resistance constants can be obtained from reference materials.

4. Select a Coupling Resolution option from the list.

5. Select the Only Connect Overlapping Elements check box.

Note:

Because Only Connect Overlapping Elements is selected, precise element selection is not critical. The solver detects elements that overlap completely and those that overlap partially and establishes conductances accordingly. The Coupling Resolution setting controls accuracy of the partially overlapping elements.

(A) Bolted joint(B) Meshed plates(C) Primary Region elements(D) Secondary Region elements

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Model additional thermal resistance in a bolted joint, Simcenter 3D 2021.1 Series

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