Variation simulation of stress during assembly of composite parts
Journal article, 2015

Weight reduction requirements in aerospace and automotive industry lead to an increased use of composite materials. However, composite parts cannot be bent like sheet metal parts. Hence, only low forces can be applied to close gaps between parts, caused by geometrical variation in parts and assembly fixtures. Shimming is therefore used to compensate for bad fitting, with increase cost as a consequence. This paper investigates how variation in assembly fixtures and parts give rise to variation in gaps and thereby also to variation in stress. Monte Carlo simulations are used to find the distribution of stress, which supports shimming strategies.

Composite

Assembly

Tolerancing

Author

Rikard Söderberg

Chalmers, Product and Production Development, Product Development

Kristina Wärmefjord

Chalmers, Product and Production Development, Product Development

Lars Lindkvist

Chalmers, Product and Production Development, Product Development

CIRP Annals - Manufacturing Technology

0007-8506 (ISSN)

Vol. 64 1 17-20

Subject Categories

Production Engineering, Human Work Science and Ergonomics

Areas of Advance

Production

DOI

10.1016/j.cirp.2015.04.048

More information

Created

10/7/2017