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Meaning of "Target Thickness" When Using "Automatic..." Midsurfacing

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Cheyne

Mechanical
Apr 18, 2013
29
What does "target thickness" mean, exactly, when mid-surfacing a solid with multiple thicknesses?

I notice that this input directly effects how it is mid-surfaced, and would sometimes fail the operation if not inputted correctly.

i.e. In one example, using a C channel (without fillets or rounds) with a web thickness of 0.29" and arm thickness of 0.47", the larger (0.47") thickness successfully produced a mid-surfaced solid with the C profile. Though, when I specified the target thickness of the web (0.29"), only the webbed portion of the solid mid-surfaced.

Does that mean only use the largest "thickness" of the solid?

I'd appreciate the clarification.

Thanks in advance:)

 
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Hello!,
Target Thickness means "midsurface tolerance". Any sur­faces with a distance equal or less than the target thickness will have a midsurface generated. The com­mand then intersects all created midsurfaces with one another and lastly, deletes all small free floating surfaces.

Best regards,
Blas.


~~~~~~~~~~~~~~~~~~~~~~
Blas Molero Hidalgo
Ingeniero Industrial
Director

IBERISA
48011 BILBAO (SPAIN)
WEB: Blog de FEMAP & NX Nastran:
 
Hi,

What about slicing your solid (C-channel) in multiple parts and doing the mid-surface for each part ?
 
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