公开(公告)号：US10289770B2

公开(公告)日：2019-05-14

申请号：US15092969

申请日：2016-04-07

Applicant: Bell Helicopter Textron Inc.

Inventor： Jonathan A. Knoll ,  Jeffrey P. Nissen ,  John R. McCullough

IPC: G06F17/50

Abstract: A method of performing structural analysis relating to a component having CAD-based geometry, refined CAD-based geometry and CAD-based FEA data associated therewith. The method includes scanning the component to obtain scan-based point cloud geometry of the component, aligning the scan-based point cloud geometry with the CAD-based geometry of the component, generating scan-based geometry of the component by refining the scan-based point cloud geometry, comparing the scan-based geometry with the refined CAD-based geometry of the component to quantify geometric differences therebetween, generating scan-based FEA geometry of the component by meshing the scan-based geometry, performing finite element analysis on the scan-based FEA geometry to obtain scan-based FEA data and comparing the scan-based FEA data with the CAD-based FEA data of the component to quantify the effect of geometric difference therebetween.

公开(公告)号：US20160300003A1

公开(公告)日：2016-10-13

申请号：US15092969

申请日：2016-04-07

Applicant: Bell Helicopter Textron Inc.

Inventor： Jonathan A. Knoll ,  Jeffrey P. Nissen ,  John R. McCullough

IPC: G06F17/50

CPC classification number: G06F17/5018 ,  G06F17/5086

Abstract: A method of performing structural analysis relating to a component having CAD-based geometry, refined CAD-based geometry and CAD-based FEA data associated therewith. The method includes scanning the component to obtain scan-based point cloud geometry of the component, aligning the scan-based point cloud geometry with the CAD-based geometry of the component, generating scan-based geometry of the component by refining the scan-based point cloud geometry, comparing the scan-based geometry with the refined CAD-based geometry of the component to quantify geometric differences therebetween, generating scan-based FEA geometry of the component by meshing the scan-based geometry, performing finite element analysis on the scan-based FEA geometry to obtain scan-based FEA data and comparing the scan-based FEA data with the CAD-based FEA data of the component to quantify the effect of geometric difference therebetween.

Abstract translation: 执行关于具有基于CAD的几何，基于精简的基于CAD的几何和与其相关联的基于CAD的FEA数据的组件的结构分析的方法。 该方法包括扫描组件以获得组件的基于扫描的点云几何，使基于扫描的点云几何与组件的基于CAD的几何对齐，通过精炼基于扫描的基于扫描的点云几何 将基于扫描的几何与基于组件的基于CAD的几何组合进行比较，以量化其间的几何差异，通过网格化基于扫描的几何形状生成基于扫描的FEA几何形状，对扫描进行有限元分析 的FEA几何，以获得基于扫描的FEA数据，并将基于扫描的FEA数据与组件的基于CAD的FEA数据进行比较，以量化其间几何差异的影响。