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solid boss and surface extrude

Question asked by Henry Hopkins on Jan 21, 2015
Latest reply on Jan 21, 2015 by Roland Schwarz

hello guys , I could really do with help here .. I am an aerospace engineering student and currently am working on wing design project .. and i found out when I extrude a particular aerofoil using solid extrude (extrude boss/base) the model does not follow the curve as good as a surface extrude, surface extrudes are better to follow my aerofoil curve  is there a reason why this happens? .. do solid boss follow different mathematical method than surface extrude ? what kind of methods used in solidworks ? ..

bad curve extrude.jpggood surface extrude for a curve.jpg