NAFEMS UK Conference

Telford, UK

June 15-16, 2016

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Granta is speaking and exhibiting at this event.

Granta Booth Number: 14

Granta Design, the materials information technology experts, provide a powerful materials information management system that allows enterprises to capture and manage all of their critical corporate materials data in a single place. For example, you can capture data from test machines and manage it alongside analyses and model parameters. Consolidate legacy, test, and simulation data for consistent material definitions and properties across disciplines, and instantly generate correctly formatted material cards.

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Granta Presentation

Granta Speaker: Dr Peter Cherns

Title: A Collaborative Project to Establish Best Practice Materials Information Management, Enabling Development of Materials Input Data for Crash Simulation.

Thursday, June 16, 9:30am-10:20am
Track 4A - Simulation Data Management

Abstract: The introduction of a new material into the automotive supply chain brings many requirements and is usually only satisfied by a full understanding of the performance envelope for the material’s mechanical and physical properties. The data required are usually well beyond those found in the specification or the material producer’s information packs. For structural materials, this brings new challenges, especially for crash safety, where understanding the material and developing new models to accurately describe its behavior is a prerequisite.

Developing the coefficients needed to accurately map out the performance of materials in the various simulation environments available today requires significant volumes of data, measured at many different conditions. These data are generated in expensive and extensive test programs, and captured for further manipulation. Furthermore, the behaviour models which describe a material during crash are a major area of evolving research. Generating a material model for composite materials in particular is not simply a case of pushing test data through a ‘black box’ and generating a material card. Research, trial and error, and human interaction are all part of the process.

The complexity, expense and long lead time for this process have attracted the attention of several leading automotive OEMs and Tier 1s, including General Motors, Jaguar Land Rover and PSA Peugeot Citroen, founder members in 2014 of the Automotive Material Intelligence Consortium ('AutoMatIC'), an industry collaboration focused on developing best practice for materials information and its use in the Automotive and Off-Highway Vehicle sectors. One area of specific interest is in streamlining their CAE processes.

This presentation will report the experience of materials information specialist Granta Design in working with the members of this consortium. The focus here is on managing materials information in order to maximise the speed and accuracy of crash simulation. There has also been a drive towards increasing collaboration between teams, sites and partners. CAE Material Models need to be accessible consistently and reproducibly across the extended enterprise – subject to formal version control of model derivation, and access control to ensure applicable usage of the results.

We will review findings for best practice in delivering materials model data to crash simulation codes, particularly in large automotive OEMs.

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