فهرس المقالات Abbas Pak المقاله 1 - Determination of Material Properties Components used in FEM Modeling of Ultrasonic Piezoelectric Transducer Abbas Pak International Journal of Advanced Design and Manufacturing Technology , العدد 47 , السنة 12 , بهار 2024 المقاله 2 - Numerical Simulation of Ultrasonic Assisted Indentation Tube Forming 10.30495/admt.2020.1869462.1124 Saeid Dashti Masih Paknejad Amir Abdullah Abbas Pak International Journal of Advanced Design and Manufacturing Technology , العدد 52 , السنة 13 , تابستان 2024 المقاله 3 - Analytical and Numerical Study of Pre-Stress Effect in Piezoelectric Sandwich Type Ultrasonic Transducer 10.30495/admt.2021.1904847.1204 Hamidreza Nadri Mahdi Shaban Abbas Pak International Journal of Advanced Design and Manufacturing Technology , العدد 54 , السنة 14 , زمستان 2024