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APPLICATION BRIEFS

ADRIAN: A Software for Computing the Stiffness of Automotive Joints and its Application in the Product Development Process

[+] Author and Article Information
Nicklas Bylund

 Luleå University of Technology, Division of Computer Aided Design, Luleå, Sweden and  Volvo Car Corporation, Göteborg, Swedennbylund@volvocars.com

J. Comput. Inf. Sci. Eng 5(4), 388-393 (Jan 07, 2005) (6 pages) doi:10.1115/1.1870019 History: Received April 15, 2004; Revised January 07, 2005

The development of complex mechanical structures such as a car body is an iterative process, alternating between design and analysis. Traditionally, these are made in different departments, making the loops between design and analysis slow and costly. This paper presents a method with accompanying software for the design engineer/draftsman to do preliminary mechanical analysis himself, which not only makes design loops shorter but also means they can be made in parallel. This speeds up the development process, while at the same time allowing exploration of more alternative solutions.

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Copyright © 2005 by American Society of Mechanical Engineers
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Figures

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Figure 1

Lateral view of Volvo S80 BIW, with main joints shaded

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Figure 2

Development process using the described analysis tools for design engineers

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Figure 3

Realistic shape of automotive joint with no absolute geometric joint center

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Figure 4

Example of static stiffness evaluation method: suitable only for joints with an absolute geometric joint center

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Figure 5

Joint leg-end section with master node connected with rigid body elements

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Figure 6

Visual representation of the joint stiffness and information about sheet gauges and spot welds

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Figure 7

Experimental setup for the dynamic joint method, the strings and the springs to hang the joint in are not shown

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Figure 8

Screen capture of ANIMATOR ; here can the mode shapes from the FE analysis be shown

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Figure 9

ADRIAN GUI during a run

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