List of Articles Abbas Pak Article 1 - Determination of Material Properties Components used in FEM Modeling of Ultrasonic Piezoelectric Transducer Abbas Pak International Journal of Advanced Design and Manufacturing Technology , Issue 47 , Year , Spring 2024 Article 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 , Issue 52 , Year , Summer 2024 Article 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 , Issue 54 , Year , Winter 2024