Let’s compare the functionalities of three widely used BIM modeling software in the industry: Revit, Bentley, and CATIA.
Parameterization Capabilities
Revit: Utilizes the concept of “families” by adding parameters and information, and constraining these parameters with dimensions to achieve parametric functionality.
Bentley: Offers parametric functionality through multiple interfaces and programming languages. Its parameterization is powerful but can be somewhat complex to use.
CATIA: Employs parameters, formulas, knowledge arrays, and adaptive model behaviors within knowledge engineering to apply intelligent constraints on components, demonstrating strong parameterization capabilities.
Modeling of Irregular Structures
Revit: Modeling irregular structures is challenging without additional tools; it often requires Dynamo plugins to extend its modeling abilities.
Bentley: Provides diverse support for user operations on parametric objects, delivering robust modeling capabilities for irregular structures.
CATIA: Originally developed for aircraft design, CATIA excels in aerospace applications with powerful surface modeling functions, making it the strongest in handling irregular structures.
Data Exchange Capabilities
Revit: Thanks to Autodesk’s strong openness, Revit supports robust data exchange, with many software programs compatible with the .fbx format exported from Revit.
Bentley: Built on the MicroStation integrated graphics platform, Bentley offers a comprehensive suite of tools across various fields with strong compatibility, including the i-model as a unified model and information publishing tool.
CATIA: The V6 version leverages cloud servers to enable fast and accurate data exchange. It supports exporting multiple common formats through data interfaces, such as IFC and SAT.
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