Keresés

Keresési eredmények

• Prediction of FLD using Abaqus and Gurson Model for Simple Flat Spacemen

  32-44

  Domokos Tatiane

  Baksa Attila

  Szávai Szabolcs

  Megtekintések száma:

  71

  In the past century, in many industries, such as, metal forming industry, it has been important to predict ductile damage and fracture of metals under complex loadings. Regarding damage mechanics, one of the most classical models is the GTN, which was originated from Gurson and later enhanced by Tvergaard and Needleman. The inprovement was achieved by introducing an equivalent void volume fraction f and two more parameters called q₁ and q₂ into the yield function of Gurson’s model.

• Numerical Modelling and Simulation of Sheet Metal Forming Process

  1-6.

  Habbachi Marwen

  Baksa Attila

  Megtekintések száma:

  117

  Simulation and modelling of sheet metal forming process are well common today in different industries (automotive, aerospace) and several research centers regarding its huge impact for both on production and reliability of the lifecycle of the equipment, and the quality of the product. However, to obtain the best configuration possible with the inputs parameters to achieve high level of production and increasing the durability of the tools needs some extra methods for the optimization for this problem using mostly finite element method cooperated with iterative algorithms based on Artificial Neural Network (ANN) [1]. Whereas this research is focused on modelling of stamping process of stainless steel AISI 304 to investigate to formability of the material, and studying the influence of the friction factor on the quality of the product as well the energy required for each set configuration.