NX CAD: What is Convergent Modeling?

Initially introduced in NX 11, Convergent Modeling is a unique modeling paradigm. This technology “greatly simplifies the ability to work with geometry consisting of a combination of facets, surfaces and solids, without the need for time-consuming data conversion.”

What is Convergent Modeling?

Convergent Modeling is called such because it “converges” meshes (called facet models) and solids (called classic b-reps) into a single model.

Until recently, it was considered best practice to separate mesh data from 3D solid models. Now, however, we have hybrid modeling.

convergent modeling
Convergent Modeling integrates facet data with B-Rep modeling.

The Purpose of Convergent Modeling

Convergent Modeling is designed to deliver three key benefits to designers:

  • optimize part design for 3D printing
  • speed up the overall design process
  • make reverse engineering a more common and efficient practice in product design.

In the past, if you wanted to work with both meshes and solid models, you had to convert one into the other. This process is far from ideal, as surface data can get lost in the conversion, possibly producing an unusable result.

Watch an Overview

Our application engineers produce regular video content highlighting both informational overviews and technical features of Siemens PLM software, including NX CAD, NX CAM and Solid Edge.

Take a look at a brief video that provides an overview of this technology:

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