Finite element simulations of impact test for light alloy wheels
tarafından
 
Pehlivanoğlu, Uğur, author.

Başlık
Finite element simulations of impact test for light alloy wheels

Yazar
Pehlivanoğlu, Uğur, author.

Yazar Ek Girişi
Pehlivanoğlu, Uğur, author.

Fiziksel Tanımlama
xvi, 124 leaves: color illustraltions.+ 1 computer laser optical disc

Özet
Static and dynamic finite element models for the simulation of the wheel impact test defined in ISO7141 were developed for the AlSi7Mg and AlSi11Mg alloy wheels. The dynamic model consists of the striker, the wheel with radial pneumatic tire, and the hub adapter structure. Two types of tire models, composite and simplified, are formed in this study. The finite element model in the dynamic model, referred to as composite tire, involves bead, bead core, casing and crown plies, tread, and side walls. A simplified tire model that does not include bead cores, casing and crown plies is also generated. Although these items are not used in the second model directly, they are considered using their equivalent effects. It is shown that a simplified tire model can be used instead of the composite tire model. The dynamic model is validated by experimental studies. Such studies are related to the plastic deformations at the impact point of the wheel. It is shown that simulation of the failure of the wheel during impact tests can be determined using von Mises and effective plastic strain occurs in the wheel. In total, forty-one experiments are done to see the wheel behaviors and whether it performes according to the standard. The experimental results and the corresponding simulations focusing on von Mises stresses along with effective strains are shown in box plots. Thus, critical values for design are found. The static model consists of the wheel with simplified tire and the lumped model of the hub adapter structure. The stiffness characteristic of the impact point of the wheel is determined by using the static model. It is shown that the maximum von Mises stress that occurs in the wheel due to impact load is found using energy conversions. Significant time can be saved by this manner.

Konu Başlığı
Wheels.
 
Light metal alloys.
 
Metals -- Impact testing.
 
Finite element method.

Yazar Ek Girişi
Yardımoğlu, Bülent

Tüzel Kişi Ek Girişi
İzmir Institute of Technology. Mechanical Engineering.

Tek Biçim Eser Adı
Thesis (Doctoral)--İzmir Institute of Technology:Mechanical Engineering.
 
İzmir Institute of Technology: Mechanical Engineering--Thesis (Doctoral).

Elektronik Erişim
Access to Electronic Versiyon.


LibraryMateryal TürüDemirbaş NumarasıYer Numarası
IYTE LibraryTezT001574TJ181.5 .P37 2016