A digital thread approach to support manufacturing-influenced conceptual aircraft design

Siedlak, Dennis J. L.; Pinon, Olivia J.; Schlais, Paul R.; Schmidt, Todd M.; Mavris, Dimitri N.

doi:10.1007/s00163-017-0269-0

Cited by 34 publications

(24 citation statements)

References 45 publications

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“…In this context, the notion of digital thread [6] is becoming increasingly important among AM manufacturers. Digital thread refers to the communication framework that allows a connected data flow and integrated view of the asset's data throughout its lifecycle across traditionally siloed perspectives from each party or stakeholder [7]. This thread also is a prerequisite to trace back the settings and conditions used throughout the design and build phase.…”

Section: Introductionmentioning

confidence: 99%

Designing and Integrating a Digital Thread System for Customized Additive Manufacturing in Multi-Partner Kayak Production

Bonham

McMaster

Thomson

et al. 2020

Systems

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Additive manufacturing (AM) opens the vision of decentralised and individualised manufacturing, as a tailored product can be manufactured in proximity to the customers with minimal physical infrastructure required. Consequently, the digital infrastructure and systems solution becomes substantially more complex. There is always a need to design the entire digital system so that different partners (or stakeholders) access correct and relevant information and even support design iterations despite the heterogenous digital environments involved. This paper describes how the design and integration of a digital thread for AM can be approached. A system supporting a digital thread for AM kayak production has been designed and integrated in collaboration with a kayak manufacturer and a professional collaborative product lifecycle management (PLM) software and service provider. From the demonstrated system functionality, three key lessons learnt are clarified: (1) The need for developing a process model of the physical and digital flow in the early stages, (2) the separation between the data to be shared and the processing of data to perform each parties’ task, and (3) the development of an ad-hoc digital application for the involvement of new stakeholders in the AM digital flow, such as final users. The application of the digital thread system was demonstrated through a test of the overall concept by manufacturing a functional and individually customised kayak, printed remotely using AM (composed of a biocomposite containing 20% wood-based fibre).

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Section: Introductionmentioning

confidence: 99%

Designing and Integrating a Digital Thread System for Customized Additive Manufacturing in Multi-Partner Kayak Production

Bonham

McMaster

Thomson

et al. 2020

Systems

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“…Bazilevs et al, 2015), the most widely used are "Digital Thread" (e.g. Siedlak et al, 2018) and "Device/Digital Shadow" (e.g. Schuh and Blum, 2016;Baltes and Freyth, 2017).…”

Section: Related Termsmentioning

confidence: 99%

“…Referring to Lubell et al (2013) and Helu and Hedberg (2015), a Digital Thread is the continuous connection of all digital models over the entire product lifecycle phases, enabling a traceability from requirements until retirement. According to Siedlak et al (2018), a Digital Thread refers to the connection of digital models from different disciplines with the goal of reducing design time and enabling interdisciplinary information exchange to overcome organizational boundaries. Boschert and Rosen (2016) and West and Blackburn (2017) differentiate the Twin from the Thread by the considered lifecycle phases -while the Twin focusses on phases of operation and service, the Thread addresses earlier phases of acquisition and design.…”

Section: Related Termsmentioning

confidence: 99%

What Is a Digital Twin? – Definitions and Insights From an Industrial Case Study in Technical Product Development

Trauer

Schweigert-Recksiek

Engel

et al. 2020

Proc. Des. Soc.: Des. Conf.

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Over the last two decades, a concept called Digital Twin has evolved rapidly. Yet, there is no unified definition of the term. Based on a literature study and an industrial case study, an overarching definition of Digital twins is presented. Three characteristics were identified – representation of a physical system, bidirectional data exchange, and the connection along the entire lifecycle. Further, three sub-concepts are presented, namely: Engineering Twin, Production Twin, and Operation Twin. The presented paper thus formulates a consistent and detailed definition of Digital Twins.

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“…In addition, further work is needed to understand the consequences and opportunities of this research in the context of engineering change [27] and the configuration of other kinds of design structure including bills of processes and function structures, and the range of design structures needed to support the design of product families and their variants [28]. This paper relates to the different configurations needed by a single product (comparable to an individual member of a product family) to support different engineering activities through its life [29]. Different issues occur in the configuration of BoMs and other architectures when designing and using product families [30].…”

Section: Permissible Operations (Verbs In a Design Language)mentioning

confidence: 99%

A lattice-based approach for navigating design configuration spaces

McKay

Chau

Earl

et al. 2019

Advanced Engineering Informatics

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Design configurations, such as Bills of Materials (BoMs), are indispensable parts of any product development process and integral to the design descriptions stored in proprietary Computer Aided Design and Product Lifecycle Management systems. Engineers use BoMs and other design configurations as lenses to repurpose design descriptions for specific purposes. For this reason, multiple BoMs typically occur in any given product development process. For example, an engineering BoM may be used to define a configuration that best supports a design activity whereas a manufacturing BoM may be used to define the configuration of parts that best supports a manufacturing process. Current practice for the definition of BoMs involves the use of indented parts lists and dendograms that are prone to error because it is easy to create discrepancies across BoMs that, in essence, are defined through collections of part identifiers such as names and part numbers. Such errors have a significant detrimental effect on the performance of product development processes by creating the need for rework, adding costs and increasing time to market. This paper introduces a design description capability that ensures consistency across BoMs for a given design. A boolean hypercube lattice is used to define a design configuration space that includes all possible configurations for a given design description. Valid operations within the space are governed by the mathematics of hypercube lattices. The design description capability is demonstrated through an early engineering design configuration software tool that offers significant benefits by ensuring consistency across the BoMs for a given design. The software uses and generates design descriptions that are exported from and imported to commercially available design systems through a standard (ISO 10303-214) interface format. In this way, potential for early impact on industry practice is high.

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A digital thread approach to support manufacturing-influenced conceptual aircraft design

Cited by 34 publications

References 45 publications

Designing and Integrating a Digital Thread System for Customized Additive Manufacturing in Multi-Partner Kayak Production

Designing and Integrating a Digital Thread System for Customized Additive Manufacturing in Multi-Partner Kayak Production

What Is a Digital Twin? – Definitions and Insights From an Industrial Case Study in Technical Product Development

A lattice-based approach for navigating design configuration spaces

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