parametric modeling

Using the computer to design objects by modeling their components with real-world behaviors and attributes. Typically specialized for either mechanical design or building design, a parametric modeler is aware of the characteristics of components and the interactions between them. It maintains consistent relationships between elements as the model is manipulated. For example, in a parametric building modeler, if the pitch of the roof is changed, the walls automatically follow the revised roof line. A parametric mechanical modeler would ensure that two holes are always one inch apart or that one hole is always offset two inches from the edge or that one element is always half the size of another.

Parametric modeler software also provides tabular views of the components (parts list, door schedule, window schedule, etc.) and maintains their association with other views of the model. If a component is edited graphically, the list is updated; if a component is edited on the list, the graphic views are updated. See parametric symbol.


Using Parametric Modeling
The door in this room has been "locked" to four feet from the right wall. When the wall is dragged to the right to make the room larger, the door maintains its relationship with the wall. This screenshot is in Autodesk Revit, the first parametric building modeler to tie together all component views and annotations parametrically for the A/E/C industry. In addition, the program maintains automatic interaction between graphic and schedule views (note door schedule at right). If either one is changed, its counterpart is updated. (Screenshot courtesy of Audodesk, Inc., www.autodesk.com)

Using Parametric Modeling

The door in this room has been "locked" to four feet from the right wall. When the wall is dragged to the right to make the room larger, the door maintains its relationship with the wall. This screenshot is in Autodesk Revit, the first parametric building modeler to tie together all component views and annotations parametrically for the A/E/C industry. In addition, the program maintains automatic interaction between graphic and schedule views (note door schedule at right). If either one is changed, its counterpart is updated. (Screenshot courtesy of Audodesk, Inc., www.autodesk.com)

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References in periodicals archive

We have performed a parametric modeling of antenna where the conductor line width is variable.

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Among the topics are the parametric modeling of an air-liftable origami-inspired deployable shelter with a novel erection strategy, form-finding bending-active structures with temporary ultra-elastic contraction elements, the design and physical modeling of deployable structures based on curved-line folding, recent realizations and improved techniques for movable and launched bridges, and the technical and feasibility selection of space truss construction systems.

Mobile and Rapidly Assembled Structures IV; proceedings

Topocast provides design and consultation services on innovative casting methods through the application of digital fabrication technologies and parametric modeling. It offers design firms, artists, and individual clients solutions for unique needs in the application of complex casting geometries, plus prototyping and production services for a range of material type cast components, architectural pieces, art objects, and singular or repetitive molds.

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But that technology, known as parametric modeling, can do much more than facilitate the fantastic creations of Gehry, Hadid, and their ilk.

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The process of parametric modeling can be described in brief as to choose the appropriate one from several analytical statistical distributions for the given image.

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Part 2 covers non-parametric methods used most often in industry, and part 3 covers parametric methods such as spectral analysis by parametric modeling and minimum variance.

Digital spectral analysis; parametric, non-parametric and advanced methods

Abstract: The scientific paper presents the design and construction of 3D-CAD virtual model through parametric modeling using the CAD-CAM-FEA capabilities of the SolidWorks program.

Creation of 3D-CAD virtual model for rapid prototyping microtechnologies using selective laser sintering

Beginning with an explanation of the user interface and tools, and progressing though more advanced topics such as assemblies, animations and mass properties, the work underscores key components of the software and points out the benefits of SolidWorks' parametric modeling system.

Learning SolidWorks 2010 (includes web access)

The proposed parametric modeling strategy allows flexible generation of variations of the original geometry, an essential prerequisite for efficient stent design (see Figure 5).

A virtual product development strategy for minimally invasive medical devices

Predesign cost estimates are usually determined by parametric modeling technique during these early project stages, as detailed cost estimation cannot be performed.

Predesign cost estimation of urban railway projects with parametric modeling/Miestu gelezinkeliu projektu priesprojektiniu islaidu skaiciavimas, taikant parametrini modeliavima