Assessing the impact of geometric design intent annotations on parametric model alteration activities

Camba, Jorge D.; Contero, Manuel

doi:10.1016/j.compind.2015.03.006

Cited by 28 publications

(16 citation statements)

References 19 publications

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“…Product information standards, such as ASME Y14.41 [1], provide guidance for presenting information in a MBD, as well as how to facilitate its creation within an authoring tool. However, the standards do not tell the user what information to present at specific stages of the lifecycle or even inside of their specific information workflows [2].…”

Section: Rationale For Studymentioning

confidence: 99%

Extending and Evaluating the Model-based Product Definition

Hartman¹,

Zahner²,

Hedberg³

et al. 2017

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Industrial practice is in a state of transition, away from the use of drawings towards the use of annotated 3D CAD models as a means of communication. Working as a representation of an object or a system, a model-based product definition (MBD) is used to communicate information inside of a model-based enterprise (MBE). Such an enterprise will find itself in a transitional state as well, moving away from paper-based information sharing towards the use of modelbased, digital product data. This research investigation sought to identify the minimum information model (MIM)-the information elements necessary within an MBD to effectively employ a model as a replacement for a technical drawing in specific workflows in the product lifecycle. Over the course of this investigation, another phenomenon emerged-the common information model (CIM), which represents those information items that are necessary for the workflows targeted in this study. As expounded upon later in this report, the impacts of contextual domain knowledge on the implementation of the common information model is what formed the minimum information model discovered in this project.

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Section: Rationale For Studymentioning

confidence: 99%

Extending and Evaluating the Model-based Product Definition

Hartman¹,

Zahner²,

Hedberg³

et al. 2017

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“…Design intent is generally too complicated to infer exactly by a computer [10]. Fortunately, it has been shown in [11,12] that much, if not all, of the unpredictable modeling behavior in CAD can be avoided if the model shape follows a continuous change pattern.…”

Section: Introductionmentioning

confidence: 99%

Push-pull direct modeling of solid CAD models

Zou

Feng

2019

Advances in Engineering Software

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Direct modeling is a very recent CAD modeling paradigm featuring direct, intuitive push-pull interactions with the geometry of the model to much increase model editing flexibility. The major issue for push-pull direct modeling is the possible inconsistency between the altered geometry of the model and its unchanged topology. The challenge of resolving the geometry-topology inconsistency lies in ensuring that the resulting model remains as a valid solid model and that the model shape follows a continuous change pattern. Although push-pull direct modeling has been implemented in several CAD software packages, robustness towards generating valid modeling results and continuous shape changes still remains an open issue. This paper proposes a systematic method to handle the resolution of any possible inconsistent situation. The method formulates the continuous shape change requirement as successive Boolean operations on the model volume, thereby guaranteeing valid solid models and continuous shape changes. Further, this formulation allows an easy implementation of push-pull direct modeling using existing CAD research and engineering results. In order to show the effectiveness of the proposed method, a software prototype is developed and the modeling results are compared with those of five leading CAD software packages.

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“…These standards also help in understanding how to interpret the data within the model. However, the standards do not document the required amount of information that the model must contain [5]. It is important to understand what information needs to be communicated when considering moving from drawings to 3D-CAD models so the engineers can continue to do their jobs efficiently.…”

Section: Introductionmentioning

confidence: 99%

Promoting Model-Based Definition to Establish a Complete Product Definition

Ruemler

Zimmerman

Hartman

et al. 2016

Journal of Manufacturing Science and Engineering

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The manufacturing industry is evolving and starting to use 3D models as the central knowledge artifact for product data and product definition, or what is known as Model-based Definition (MBD). The Model-based Enterprise (MBE) uses MBD as a way to transition away from using traditional paper-based drawings and documentation. As MBD grows in popularity, it is imperative to understand what information is needed in the transition from drawings to models so that models represent all the relevant information needed for processes to continue efficiently. Finding this information can help define what data is common amongst different models in different stages of the lifecycle, which could help establish a Common Information Model. The Common Information Model is a source that contains common information from domain specific elements amongst different aspects of the lifecycle. To help establish this Common Information Model, information about how models are used in industry within different workflows needs to be understood. To retrieve this information, a survey mechanism was administered to industry professionals from various sectors. Based on the results of the survey a Common Information Model could not be established. However, the results gave great insight that will help in further investigation of the Common Information Model.

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Assessing the impact of geometric design intent annotations on parametric model alteration activities

Abstract: Elsevier Camba, JD.; Contero, M. (2015). Assessing the impact of geometric design intent annotations on parametric model alteration activities. Computers in Industry. 71:35-45.

Cited by 28 publications

References 19 publications

Extending and Evaluating the Model-based Product Definition

Extending and Evaluating the Model-based Product Definition

Push-pull direct modeling of solid CAD models

Promoting Model-Based Definition to Establish a Complete Product Definition

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