| Popis: |
One of the significant tests to specify the response of the materials for impacts resulting from the collision is the projectile–target method. The development of this test by the prior studies by simulation has contributed to change the model for enhancing the economic feasibility and predicting the best outcomes. The present work employs the finite element analysis-explicit mode (FEA-EM) and orthogonal array technique (OAT) under velocity 650 m/s to test the double layer for both Al 2024-T3 and Weldox 700E, separately. To carrying out this study, the projectile utilized models are hemispherical and APM2 with diameters 10 mm and 7.68 mm, respectively. Hence, the main purpose of this study was to predict the measurement of petal prominence and the residual velocity for the projectile. Therefore, the outcomes performed by FEA-EM are invested by analysis of variance (ANOVA) to predict the optimum performance. It is observed that the best prediction of ballistic performance is by Weldox 700E as compared to Al 2024-T3 since the expanding of petal prominence in Weldox 700E is less than the expanding occurring by Al 2024-T3. Besides, the residual velocity is reduced for Weldox 700E as compared to Al 2024-T3. Consequently, the Weldox 700E is obviously more capable of absorbing than the Al 2024-T3. |
