Vol.25, No.1, 2025, pp. 89–98
https://doi.org/10.69644/ivk-2025-01-0089

ENGINEERED NOVEL-MECHANICAL DESIGN AND PERFORMANCE ASSESSMENT OF STIFFENED PLATES AGAINST BALLISTIC LOADING

Aditya Rio Prabowo1* , Toeri Fathuddin Yusuf1, Prayoga Wira Adie1,2, Nurul Muhayat1 , Iwan Istanto1 , Tuswan Tuswan3 , Achmad Zubaydi4, Teguh Muttaqie5 , Quang Thang Do6 , Martin Jurkovič7

1) Department of Mechanical Engineering, Universitas Sebelas Maret, Surakarta, INDONESIA

*email: aditya@ft.uns.ac.id , A.R. Prabowo https://orcid.org/0000-0001-5217-5943 ;

N. Muhayat https://orcid.org/0000-0002-1086-7826 ; I. Istanto https://orcid.org/0009-0009-9037-4375 

2) Laboratory of Design and Computational Mechanics, Faculty of Engineering, Universitas Sebelas Maret, Surakarta, INDONESIA

3) Department of Naval Architecture, Universitas Diponegoro, Semarang, INDONESIA

T. Tuswan https://orcid.org/0000-0002-0314-2616 

4) Department of Naval Architecture, Institut Teknologi Sepuluh Nopember, Surabaya, INDONESIA

5) Research Center of Testing Technology and Standard, National Research and Innovation Agency (BRIN), Tangerang, INDONESIA

T. Muttaqie https://orcid.org/0000-0002-8850-8313 

6) Department of Naval Architecture and Ocean Engineering, Nha Trang University, Nha Trang, VIET NAM

Q.T. Do https://orcid.org/0000-0002-4232-9563 

7) Faculty of Operation and Economics of Transport and Communications, University of Žilina, Žilina, SLOVAKIA

M. Jurkovič https://orcid.org/0000-0001-7673-1350 

 

Abstract

This study shows a numerical analysis of the ballistic characteristic of a bullet on a targeted stiffened plate. The numerical analysis compares the structural strength of the target plate with stiffener variations of I, L, T, Y, and X types with various material variations of Al 6061-T651, Al 6082-T6, Weldox 460E, and Armox 500T. Numerical simulations are performed at a squared stiffened target plate at projectile impact velocity of 341-863 m/s using ABAQUS/ Explicit® with the Johnson-Cook material model. The initial validation is successfully achieved by comparing the residual velocity values between the current study and the previous experiment. Simulation results demonstrate that incorporating an I stiffener significantly enhances ballistic resistance, with performance varying based on material types. Weldox 460E combined with an I stiffener exhibits the best ballistic resistance performance. The study highlights the importance of optimising stiffener design and material selection to maximise ballistic protection performance.

Keywords: • ballistic impact • stiffener • residual velocity • material selection • finite element analysis  

full article (1.65 MB)