CrossLink: Meshing a 3D part from a STEP file [Slides]

Technical Report · Mon Mar 13 04:00:00 EDT 2023

DOI:https://doi.org/10.2172/1974920· OSTI ID:1974920

Drayna, Travis William ^[1]; Lang, Laura M. ^[1]; Long, Louie Joseph ^[1]; Stam, Henry Russell ^[1]

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1. Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)

This example shows how to use CrossLink to create a mesh for a 3D geometry part read in from a STEP file. A STEP file (Standard for the Exchange of Product data) is a common file format used for 3D modelling that can be written out from a CAD program (e.g., Creo Parametric). Being able to read and mesh STEP file geometries is essential for meshing parts from engineering models. Creating the mesh typically involves: (1) Importing the geometry; (2) Creating geometry groups; (3) Assigning curves and surfaces to the geometry groups; (4) Building a topology; (5) Applying geometric and mesh constraints; and (6) Generating the final mesh. Current issues with this process in CrossLink include: (1) The GUI does not display trimmed surfaces; (2) The user must manually create and assign geometry groups; and (3) The user must be aware of duplicate curves and surfaces from the CAD model.

• Research Organization: Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
• Sponsoring Organization: USDOE National Nuclear Security Administration (NNSA)
• DOE Contract Number: 89233218CNA000001
• OSTI ID: 1974920
• Report Number(s): LA-UR--23-25480
• Country of Publication: United States
• Language: English

Related Subjects

97 MATHEMATICS AND COMPUTING