Chezan, A R Dhawale, T Atzema, E H Barlo, A Aeddula, O Pilthammar, J Sigvant, M Langerak, N A J
Published in
IOP Conference Series: Materials Science and Engineering
This study investigates the challenges of reverse engineering in finite element modelling of sheet metal forming, specifically for the Volvo XC90 front door inner component. Advanced models incorporating anisotropic behaviour of steel and non-linear friction are compared against actual real-world measurements. The methodology involves simplifying c...
Barlo, A Aeddula, O Chezan, A R Pilthammar, J Sigvant, M
Published in
IOP Conference Series: Materials Science and Engineering
Within the automotive industry, there is an increasing demand for a paradigm shift in terms of which materials are used for the manufacturing of the automotive body. Global climate goals are forcing a rapid adaption of new, advanced, sustainable material grades such as the fossil free steels and materials containing higher scrap content. With the i...
Rondon, David Pääjärvi, Simon Aidanpää, Jan-Olov Gustavsson, Rolf Jeppsson, Peter
Hydropower generators withstand multiple forces from diverse sources during operation. To ensure their stability and safe performance, numerical tools are developed to characterize their dynamic properties. Traditionally, generators are assumed to be rigid in rotordynamic analyses. However, the measurements in power stations challenge this assumpti...
Benti, Gudeta Berhanu Aidanpää, Jan-Olov Gustavsson, Rolf
In 2015, a 45 MW vertical hydropower machine exhibited excessive vibration after refurbishment. Measurements revealed a substantial bearing clearance at the lower generator guide bearing. Consequently, the bearing was unable to generate sufficient opposing force to drive the rotor toward the bearing center, resulting in more pronounced overall syst...
Tregulov, Farhad
Thermomechanical processes such as hot rolling have been used in the industry for a long time to process and shape metals to a desired form with specific properties. However it can be difficult to make changes to the different process parameters. That's where it is beneficial to use a hot deformation simulator such as the Gleeble 3800-GTC. It can b...
Berg, Agnes
Bolted joints are a common fastening technique in the automotive industry. Through their connecting of different parts of a vehicle, their behavior can affect the deformation of the structure in the event of a crash. The aim of this thesis is to identify methods to evaluate the bolt models used for crash simulations at Scania against physical tests...
Flapper, Tijn Säfström, Joel
This thesis regards the design process of a test rig for a new type of clutch. To save excessive fuel losses in heavy vehicles, a dog clutch has been designed with elastic engagement to lower peak torque. Currently, there is no way of testing this clutch. The purpose of this thesis is therefore to design a test rig that allows physical testing of t...
Meena, Akash Andersson Lassila, Andreas Lönn, Dan Salomonsson, Kent Wang, Wei Nielsen, Chris Valentin Bayat, Mohamad
The keyhole depth is a key measurement characteristic in the laser welding of busbar to battery tabs in battery packs for electric vehicles (EV), as it directly affects the quality of the weld. In this work, experiments are carried out with controlled and adjusted laser power and feed rate parameters to investigate the influence on the keyhole widt...
Mohammadi, Mohammad Mehdi Olivares-Espinosa, Hugo Navarro Diaz, Gonzalo Pablo Ivanell, Stefan
This paper investigates different actuator sector model implementation alternatives and how they compare to actuator line results. The velocity sampling method, tip/smearing correction, and time step are considered. A good agreement is seen between the line and sector model in the rotor plane and the wake flow. Using the sector model, it was possib...
Cleve, Jacob Molinder, Alfred
