Vol. 6, No. 1-4, 2011

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ISSN: 1559-3959
Mechanics of materials and structures: a simulation-driven design approach

Lennart Karlsson, Andreas Pahkamaa, Magnus Karlberg, Magnus Löfstrand, John Goldak and Jonas Pavasson

Vol. 6 (2011), No. 1-4, 277–301
Abstract

Engineering product development has developed considerably over the past decade. In order for industry to keep up with continuously changing requirements, it is necessary to develop new and innovative simulation methods. However, few tools and methods for simulation-driven design have been applied in industrial settings and proven to actually drive the development and selection of the ideal solution. Such tools, based on fundamental equations, are the focus of this paper.

In this paper the work is based on two cases of mechanics of materials and structures: welding and rotor dynamical simulations. These two examples of simulation-driven design indicate that a larger design space can be explored and that more possible solutions can be evaluated. Therefore, the approach improves the probability of innovations and finding optimal solutions.

A calibrated block dumping approach can be used to increase the efficiency of welding simulations when many simulations are required.

Keywords
simulation-driven design, calibrated block dumping, welding simulations, rotor dynamical simulations
Milestones
Received: 30 March 2010
Revised: 23 June 2010
Accepted: 6 July 2010
Published: 28 June 2011
Authors
Lennart Karlsson
The Faste Laboratory
Division of Computer Aided Design
Luleå University of Technology
SE-97187 Luleå
Sweden
http://www.ltu.se/tfm/cad/home/d743/d18287/leka?l=en
Andreas Pahkamaa
Division of Computer Aided Design
LuleåUniversity of Technology
SE-97187 Luleå
Sweden
http://www.ltu.se/tfm/cad/home/d743/d18287/1.52354?l=en
Magnus Karlberg
The Faste Laboratory
Division of Computer Aided Design
Luleå University of Technology
SE-97187 Luleå
Sweden
http://www.ltu.se/tfm/cad/home/d743/d18287/magkar?l=en
Magnus Löfstrand
The Faste Laboratory
Division of Computer Aided Design
Luleå University of Technology
SE-97187 Luleå
Sweden
http://www.ltu.se/tfm/cad/home/d743/d18287/maglof?l=en
John Goldak
Department of Mechanical and Aerospace Engineering
Carleton University
Ottawa, ON  K1S 5B6
Canada
Jonas Pavasson
The Faste Laboratory
Division of Computer Aided Design
Luleå University of Technology
SE-97187 Luleå
Sweden
http://www.ltu.se/tfm/cad/home/d743/d18287/jonpav?l=en