Sheet metal forming boundaries are established using the limit diagram (FLD). The Nakajima and Marciniak tests, which based on stretching a material punch, most commonly used methods for determining FLD or fracture (FFLD). results usually evaluated by calculating local strain, strain rates, specimen thickness reduction strain. When amount of experimental is insufficient, miniaturization testing...

Grid forming control applied to power converters that interface storage or renewable generation the grid, has been identified as a potential solution facilitate substantial share of converter-based in system. Analyzing response grid (GFC) for large frequency, phase, and voltage events, particularly when GFC enters current limit operation, is very important system stability, but studies on this ...

This study presents a new criterion (MMFC2) for predicting the forming limit curve (FLC) of sheet metal. The strain path evolution critical element examined in uniaxial tensile test is elaborated by incorporating results experimental measurement, finite simulation, and theoretical prediction via Modified Maximum Force Criterion (MMFC). A scaling factor introduced to mimic evaluation with simula...

In this paper, we propose a reliability–mechanical study combination to treat the tube hydroforming process (THP). This process consists to apply an inner pressure combined to an axial displacement to manufacture the part. Our goal is the computation of the failure probability of the hydroforming process. Normally, this process is particularly complex and have to be solved numerically. There ar...