What is the way to use RCE for multidisciplinary workflows?

Together with the possibility for fine-grained publication of tools to remote instances as well as its versatility for the use in both user-7 American Institute of Aeronautics and Astronauticsfacing and server environments, RCE is well suited for the distributed execution of multidisciplinary workflows comprised of widely disparate tools with heterogeneous runtime requirements.

What is the mechanism used to detect a network failure?

In case of such a network disruption, the retry mechanism detects the failure to transmit one or multiple network messages, and monitors the network for the target machine to become reachable again.

What is the purpose of the parallel static aeroelastic analysis?

Within the parallel static aeroelastic analysis the wing box structure is sized and the bending and torsional stiffness of the wing converge in the fluid-structure coupling loop.

What is the role of RCE in the integration of MDO processes?

Solving the issues stemming from tool nodes lacking uptime, computational and storage resources, however, lies outside the scope of RCE in its role as an integration framework.

What is the common way to pass data between the tools?

The data passed among the tools typically consists of a complete CPACS dataset, however, it can also be a set of one or more single parameters which is handed over.

How many partners have developed multiple solutions to cope with the challenges of collaborative design and optimization of complex?

In AGILE a total of 19 partners from industry, research and academia from Europe, Canada and Russia have developed multiple solutions to cope with the challenges of collaborative design and optimization of complex products.

How many aerodynamic performance maps are there?

A third set of aerodynamic performance maps contains the 18 damping derivatives (6 coefficients x 3 rotation rates) for each point of the clean configuration dataset.

How many disciplinary experts were involved in the MDO process?

It involved disciplinary expert groups from eight DLR institutes, each committed to integrating their tools and sub-process into the overall MDO process.

How can the authors combine the deflections of multiple control surfaces?

By superposition of different control surface deltacoefficients with the absolute coefficients of the clean configuration dataset it is possible to combine the deflections of multiple control surfaces.

What is the main reason why RCE is robust?

This illustrates that starting with version 9.0, RCE is robust against intermittent failures both during the transport of messages between two instances, as well as against high load on the involved machines.

What is the location of the central relay instance of RCE?

A central relay instance of RCE (located in the middle of the figure) provides the basic access and connection point for all the servers and clients within the network.

What is the way to grant universal access to a tool?

If a user wants to grant universal access to a tool, they may assign it the publication level public, which exposes that tool to all connected RCE instances across the network.

What is the aerodynamic performance of the wing?

Based on these 1g-flight shapes the aerodynamic performance in terms of lift-to-drag ratios L/D is determined for the selected flight missions.

How much of the CG range is used in the operational empty mass case?

To give an impression of the very tight limitations here, it shall be mentioned that for the operational empty mass case, the CG movement due to retracting the landing gear already uses around one third of the permitted CG range.

Open AccessProceedings Article10.2514/6.2019-2989

Distributed Multidisciplinary Optimization and Collaborative Process Development using RCE

Brigitte Boden, +11 more

- 15 Jun 2019

TL;DR: The use of some of the key features of RCE for MDA and MDO purposes are demonstrated based on several collaborative DLR projects where distributed simulation tools are being used.

Abstract: DLR's Remote Component Environment (RCE) is an open-source software environment for defining and executing workflows containing distributed simulation tools by integrating them into a peer-to-peer network. It is being developed primarily by DLR and has been used in various engineering projects, including several aerospace projects dealing with multidisciplinary optimization (MDO) and multidisciplinary analysis (MDA). RCE has several advantages that can help to achieve more reusable multidisciplinary processes. The workflow is composed of built-in and user-defined components. Disciplinary tools are integrated as standalone components, with defined inputs and outputs, and then distributed over the network. While executing the workflow, data dependencies between the components are automatically detected, and a component is executed as soon as all its input data is available. Thus, multiple components can run at the same time. The components of a multidisciplinary process can also be executed in a distributed manner, where the tools are located on different machines with possibly different operating systems. Once configured, the peer-to-peer network is automatically established between the RCE instances running on different machines, making components visible and executable even between instances that are only connected indirectly. The distributed execution capability alleviates tool deployment issues, including those related to the protection of intellectual property. RCE supplies a graphical editor for creation of workflows, using the built-in components to control the data flow. Some built-in components can be used to perform optimization tasks within the workflow, including nested loops, using built-in or user integrated optimization algorithms. We demonstrate the use of some of the key features of RCE for MDA and MDO purposes based on several collaborative DLR projects where distributed simulation tools are being used.

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Most frequently asked questions

1. What have the authors contributed in "Distributed multidisciplinary optimization and collaborative process development using rce" ?

The authors demonstrate the use of some of the key features of RCE for MDA and MDO purposes based on several collaborative DLR projects where distributed simulation tools are being used.

2. What is the main purpose of the static aeroelastic analysis?

The interactions between the aerodynamic forces and the structural deformations of the elastic wing are taken into account in the static aeroelastic analysis.

3. What is the main purpose of integrating an external tool into RCE?

Integrating an external tool into RCE amounts to defining an interface between RCE and the tool, i.e. defining its inputs and outputs to make them accessible by RCE, adding pre- and post-processing steps for the input and output data, and defining the commands for the invocation of the tool.

4. How can a complete aerodynamic dataset be created?

In combination with DLR's simple "HandbookAero" method which accounts for viscous drag and wave drag, a rather complete aerodynamic dataset can be created.

Fig. 8. Overview of parameter variations performed for the strut-braced wing configuration and impression of the obtained result

Fig. 12. RCE implementation of the Digital-X MDO process

Fig. 19. RCE workflows of the VicToria integrated high-fidelity MDO process chain.

Fig. 3. Significant reduction of the amount of interfaces between engineering services by adopting a common product data model

Fig. 7. Simulation workflow for the strut-braced wing, resembling a multi-level approach. The four large groups of engineering services represent the initialization & consecutive analyses on increasing level of detail

Fig. 11. Multi-level/multi-fidelity MDO process in DLR’s Digital-X project (schematic) & disciplinary models

Citations

•Journal Article•10.1016/J.PAEROSCI.2020.100643

AGILE Paradigm: The next generation collaborative MDO for the development of aeronautical systems

Pier Davide Ciampa, +1 more

- 01 Nov 2020

- Progress in Aerospace Sciences

TL;DR: The AGILE technologies enabled the consortium to formulate and to solve in 15 months 7 MDO applications in parallel for the development of 7 novel aircraft configurations, demonstrating time savings beyond the 40% goal.

...read moreread less

•Journal Article•10.1016/J.SOFTX.2021.100759

RCE: An Integration Environment for Engineering and Science

Brigitte Boden, +7 more

- 01 Jul 2021

- SoftwareX

TL;DR: RCE as mentioned in this paper is an open-source application developed primarily at DLR that enables its users to intuitively integrate disciplinary tools, to define dependencies between them via an easy-to-use graphical interface, and to execute the resulting multidisciplinary engineering workflow.

...read moreread less

•Posted Content

RCE: An Integration Environment for Engineering and Science.

Brigitte Boden, +7 more

- 09 Aug 2019

- arXiv: Software Engineering

TL;DR: RCE (Remote Component Environment) makes it easy for collaborating engineers to contribute their individual disciplinary tools to a multidisciplinary design or analysis, and simplifies the subsequent analysis of the workflow's results.

...read moreread less

•Journal Article•10.3390/AEROSPACE7050050

A Collaborative Approach for an Integrated Modeling of Urban Air Transportation Systems

Malte Niklaß, +7 more

- 28 Apr 2020

TL;DR: A collaborative system of systems modeling approach for UAM is presented and a pool of low-fidelity physical analysis components is developed and integrated into the Remote Component Environment (RCE) workflow engine to quickly identify physical effects and cross-disciplinary influences of UAM.

...read moreread less

•Proceedings Article•10.2514/6.2020-3167

Overview of Collaborative Multi-Fidelity Multidisciplinary Design Optimization Activities in the DLR Project VicToria

Stefan Goertz, +20 more

- 15 Jun 2020

TL;DR: The different MDO strategies are shown to be effective in dealing with complex, real-world MDO problems in a highly collaborative, cross-institutional design environment, involving many disciplinary groups and experts and a mix of commercial and in-house design and analysis software.

...read moreread less

References

•10.1007/978-3-642-31818-4-44

Notes on Numerical Fluid Mechanics and Multidisciplinary Design

Dionysios Angelidis, +2 more

- 01 Jan 2012

TL;DR: Notes on Numerical Fluid Mechanics and Multidisciplinary Design as mentioned in this paper is a collection of state-of-the-art methods for numerical fluid mechanics, numerical simulation and multidisciplinary design optimization.

...read moreread less

494

Journal Article•10.1007/S00158-012-0763-Y

Extensions to the design structure matrix for the description of multidisciplinary design, analysis, and optimization processes

Andrew B. Lambe, +1 more

- 01 Aug 2012

- Structural and Multidisciplinary Optimiz...

TL;DR: The extended design structure matrix (XDSM) is presented, a new diagram for visualizing MDO processes based on extending the standard design structure Matrix to simultaneously show data dependency and process flow on a single diagram.

...read moreread less

443

Communication in aircraft design : Can we establish a common language?

Björn Nagel, +6 more

- 01 Jan 2012

TL;DR: The Common Parametric Aircraft Configuration Scheme (CPACS) is introduced as one potential step towards a unified data model and experiences in established Multidisciplinary Design Optimization environments with CPACS are presented.

...read moreread less

122

•Proceedings Article•10.1109/AERO.2012.6187340

Open source software framework for applications in aeronautics and space

Doreen Seider, +4 more

- 03 Mar 2012

TL;DR: This work presents RCE and shows how its software components are reused in two aerospace applications, allowing the integration of different domain-specific tools from local and remote locations into one overall calculation.

...read moreread less

•Journal Article•10.1007/S13272-015-0179-7

DLR project Digital-X: towards virtual aircraft design and flight testing based on high-fidelity methods

Norbert Kroll, +24 more

- 01 Mar 2016

- CEAS Aeronautical Journal

TL;DR: An overview of the multidisciplinary project Digital-X is provided and first results on enhanced disciplinary methods in aerodynamics and structural analysis, the development of efficient reduced order methods for load analysis, as well as the development and application ofMultidisciplinary methods for the analysis of maneuver loads are presented.

...read moreread less

...

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Distributed Multidisciplinary Optimization and Collaborative Process Development using RCE

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AI Agents for this Paper

Most frequently asked questions

1. What have the authors contributed in "Distributed multidisciplinary optimization and collaborative process development using rce" ?

2. What is the main purpose of the static aeroelastic analysis?

3. What is the main purpose of integrating an external tool into RCE?

4. How can a complete aerodynamic dataset be created?

5. What is the way to use RCE for multidisciplinary workflows?

6. What is the mechanism used to detect a network failure?

7. What is the purpose of the parallel static aeroelastic analysis?

8. What is the role of RCE in the integration of MDO processes?

9. What is the common way to pass data between the tools?

10. How many partners have developed multiple solutions to cope with the challenges of collaborative design and optimization of complex?

11. How many aerodynamic performance maps are there?

12. How many disciplinary experts were involved in the MDO process?

13. How can the authors combine the deflections of multiple control surfaces?

14. What is the main reason why RCE is robust?

15. What is the location of the central relay instance of RCE?

16. What is the way to grant universal access to a tool?

17. What is the aerodynamic performance of the wing?

18. How much of the CG range is used in the operational empty mass case?

Figures

Citations

AGILE Paradigm: The next generation collaborative MDO for the development of aeronautical systems

RCE: An Integration Environment for Engineering and Science

RCE: An Integration Environment for Engineering and Science.

A Collaborative Approach for an Integrated Modeling of Urban Air Transportation Systems

Overview of Collaborative Multi-Fidelity Multidisciplinary Design Optimization Activities in the DLR Project VicToria

References

Notes on Numerical Fluid Mechanics and Multidisciplinary Design

Extensions to the design structure matrix for the description of multidisciplinary design, analysis, and optimization processes

Communication in aircraft design : Can we establish a common language?

Open source software framework for applications in aeronautics and space

DLR project Digital-X: towards virtual aircraft design and flight testing based on high-fidelity methods

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