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Parametric and Nonparametric Modeling
Transcript of Parametric and Nonparametric Modeling
Byron Dollar Parametric and Non-Parametric Modeling Parametric Modeling Parametric Modeling -Uses extruding, revolving, sweeping, and lofting to define features
-Allows the user to view orthographic views and 3d perspective
-Deal with surface as well as volume
-Can be used to create abstract curvature
-Allows curves to be changes easily to flat panels
Parametric Modeling Software Non-Parametric Modeling -Non-parametric modeling is dependent on the geometry of a form
-Rules/restraints not as influential
-More for defining form rather than manufacturing CADD II-2901
1/17/13 -Based on parameters rather than geometry
-Dimensions play a key role
-Parameters are made of units called features
-Features are basic shapes that define a structure
-Features can be either sketched or applied (placed) -When a parameter such as a dimension is altered the entire model will adapt
-Helps establish association between parts of a model
-Helps with the manufacturing process
-Easy for engineers to edit parameters
-2D Modeling (Illustrator/Photoshop)
Non-Parametric Modeling -Wireframe modeling involves manually manipulating a 2D web
-Building models use basic shapes that can be arranged and edited to create form Works Cited “Object oriented CAD and Parametric 3D Modeling”, JC&A. 2004. http://www.jcarchitects.com/objectCAD.html
Anthony Rynne. “Parametric Modeling Basics”, University of Limerick. 2006. http://www3.ul.ie/~rynnet/parametricmodellingbasics-solidworks.php