Method and device for optimizing node information processing based on CAE model

Abstract

The invention provides a node information optimization processing method and a device based on a CAE model, comprising the following steps: acquiring a body-in-white, wherein the body-in-white comprises node information and grid information at a hole; The CAE model of body-in-white (BIW) computer aided engineering (CAE) is constructed by the finite element mesh generation of BIW with Hypermesh software. The node information is stored in the csv table, and the optimization processing device is called in the CAE model of the body-in-white, the node information in the csv table is in the coordinate position, and the node is constructed in the form of the temporary node; the node information is stored in the csv table, and the optimization processing device is called in the body-in-white CAE model. Based on the mesh information at the temporary nodes and holes, Load points for the same model, Unify the positions of output points and connection points to avoid the difference of analysis results caused by the difference of positions and the situation that no leakage point will appear. The loading points, output points and connection points of the same model can be unified to avoid the difference of analysis results caused by the difference of positions and the situation that no leakage point will appear.

Description

technical field [0001] The invention relates to the technical field of vehicle control, in particular to a CAE model-based node information optimization processing method and device. Background technique [0002] When performing static or dynamic analysis of the body-in-white, a large number of loading points and output points are usually involved. When modeling from the body-in-white to the whole body and then to the whole vehicle, a large number of connection points are also involved, and the loading points, output There are usually a large number of points and connection points, and the processing of these points takes a lot of time. In addition, when some design hard point positions cannot be replaced by the automatically generated rigid unit rbe2 center point, it is necessary to input the hard point coordinates to move the center point to the hard point position. The workload is large and some points are easy to miss. Contents of the invention [0003] In view of thi...

AI Technical Summary

Problems solved by technology

[0002] When performing static or dynamic analysis of the body-in-white, a large number of loading points and output points are usually involved. When modeling from the body-in-white to the whole body and then to the whole vehicle, a large number of connection points are also involved, and the loading points, output There are usually a large number of points and connection points, and the processing of these points takes a lot of time

In addition, when some design hard point positions cannot be replaced by the automatically generated rigid unit rbe2 center point, it is also necessary to input the hard point coordinates to move the center point to the hard point position, the workload is large, and it is easy to miss some points

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