US 2022/0067241 A1 · FLEX REPRESENTATION IN COMPUTER AIDED DESIGN AND COMPUTER AIDED ENGINEERING

Abstract

Embodiments are presented for Flex Representation in Computer Aided Design (CAD) and Computer Aided Engineering (CAE). The Flex Representation Method (FRM) leverages unique computational advantages of splines to address limitations in the process of building CAE simulation models from CAD geometric models. Central to the approach is the envelope CAD domain that encapsulates a CAD model. An envelope CAD domain can be of arbitrary topological and geometric complexity. Envelope domains are constructed from spline representations, like U-splines, that are analysis-suitable. The envelope CAD domain can be used to approximate none, some, or all of the features in a CAD model. This yields additional simulation modeling options that simplify the model-building process while leveraging the properties of splines to control the accuracy and robustness of computed solutions. The potential of the method is illustrated through several carefully selected benchmark problems.

Claims27

Dependent claims

A system for performing a flexible representation method (FRM) in computer aided design (CAD) and computer aided engineering (CAE), the system comprising:

one or more computer processors;
and
computer readable memory having stored therein computer-executable instructions which, when executed by the one or more computer processors, configures the system to:
construct a CAD model;
set one or more simulation attributes on the CAD model;
determine a flex modeling spectrum for the CAD model with the simulation attributes;
construct an envelope CAD domain from the flex modeling spectrum using a spline representation;
generate CAE simulation results using the envelope CAD domain and CAD model with the simulation attributes;
and
output the generated CAE simulation results.

7 more elements

Dependencies are inferred from the claim text.

Flex representation in computer aided design and computer aided engineering

Life of this patent

Flex representation in computer aided design and computer aided engineering

Life of this patent

Abstract

Claims27