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Example Suppose you want to simulate the resistance of a complex assembly with a resistance object in a horizontal ventilation duct. |
Workflow
- Select: Duct Network
Components Resistance Object
The cursor moves the object. The information line shows:[Click Left] at segment=Position to insert -
Point to the position for installation in the ventilation duct. The ventilation duct appears as a marked object. DDScad displays the information about the duct segment and the current position.
- Click
. The dialog appears: Resistance Object -
Check the settings.
Pressure loss by
Setting Effect zeta-value DDScad enables 
Zeta for entries and calculates the value in 
Pressure loss.preset DDScad enables Pressure loss for entries and calculates the value in Zeta./ Zeta
Effective pressure loss coefficient of the illustrated assembly.
/ Pressure loss
Complete pressure loss over the illustrated assembly.
Length
Length of the symbols. You can use different unit of lengths.
Turn direction
The setting applies to objects with an indication of the direction.
Example: Fan
Setting Effect
The object is reversed when inserted.
The object is inserted in the original direction.
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Click OK. The object is part of the duct segment and the function remains active with the current settings. You can insert the object again at a different position.
