Advanced Technologies and Materials

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Vol. 41 No. 1 (2016): Journal for Technology of Plasticity
Original articles

Metal forming similarity theory in numerical simulations

Zdenka Keran
Faculty of Mechanical Engineering and Naval Architecture, Ivana Lucica 5, Zagreb, Croatia
Petar Piljek
Faculty of Mechanical Engineering and Naval Architecture, Ivana Lucica 5, Zagreb, Croatia
Damir Ciglar
Faculty of Mechanical Engineering and Naval Architecture, Ivana Lucica 5, Zagreb, Croatia

Published 2016-07-01

abstract views: 22 // Full text article (PDF): 0


Keywords

  • similarity theory,
  • forming force,
  • metal forming,
  • numerical simulations

How to Cite

Keran, Z., Piljek, P., & Ciglar, D. (2016). Metal forming similarity theory in numerical simulations. Advanced Technologies and Materials, 41(1), 37–46. Retrieved from https://jged.uns.ac.rs/index.php/atm/article/view/JTP.2016.41.1.4

Abstract

In development of new metal forming procedures it is important to be familiar with process parameters such as forming force, deformation work, stress scheme etc. during design period. Theoretical analysis is usually not enough accurate method because of numerous simplifications and assumed boundary conditions that cannot accurately describe the real situation. Beside numerical simulations, the only better method is real physical modelling by scaling down (or up) real dimensions. In that way, model gives the best picture of the real production situation. When creating a model, an engineer uses similarity theory, which connects model, real product and process parameters. This paper associates finite element modelling and similarity theory, in order to avoid physical modelling. Model is numerically created and its adequacy is tested by both – similarity theory and finite element modelling.

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