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A Reverse Engineering Method for DMU Maturity Management: Use of a Functional Reeb Graph

机译：DMU成熟度管理的逆向工程方法：使用功能REEB图

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摘要

In a development process, Digital Mock-Up (DMU) is the referential view of the developed product, all along the product states ("as-design", "as-manufactured", etc.). In case of long lifetime products, such as boats or planes, each released product has its own DMU. During the use, maintenance operations are made. Some of the modifications are made "on field" and are not always reported to the DMU which is no longer mature. The product lifecycle is impacted and not efficient anymore. This paper focuses on a systematized methodology for checking the maturity level of a DMU by confronting it to the real product it is intended to represent. DMU inconsistencies correspond to unreported product components modifications. The first step of the process is a global comparison between the DMU and a digitization of the in-use product using the Reeb graph. The used comparison criterion is the topology. The second step is to identify the kept DMU components in the digitized dataset and thus deduce inconsistencies. That step implies a new shape descriptor combining topological and functional descriptions of a mechanical part: the Functional Reeb Graph.
机译：在开发过程中，数字模型（DMU）是开发产品的参考视图，沿着产品状态（“品种”，“制造”等）。在长寿产品的情况下，例如船只或飞机，每个释放的产品都有自己的DMU。在使用期间，进行维护操作。一些修改是“在现场”中，并不总是向DMU报告，该DMU不再成熟。产品生命周期受到影响，不再高效。本文重点介绍了通过将其面对旨在代表的真实产品来检查DMU的成熟度水平的系统化方法。 DMU不一致对应于未报告的产品组件修改。该过程的第一步是DMU与使用REEB图之间的使用产品的数字化与使用的数字化的全局比较。使用的比较标准是拓扑。第二步是识别数字化数据集中的保存DMU组件，从而推测不一致。该步骤意味着一种新的形状描述符，组合了机械部分的拓扑和功能描述：功能性REEB图。

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