Frequency analysis of strongly nonlinear generalized Duffing oscillators using He's frequency-amplitude formulation and He's energy balance method. - Davood Younesian; Hassan Askari; Zia Saadatnia; Mohammad Kalami Yazdi (Comput. Math. Appl., 2010)

Higher order approximate periodic solutions for nonlinear oscillators with the Hamiltonian approach. - Ahmet Yildirim; Zia Saadatnia; Hassan Askari; Yasir Khan; Mohammad Kalami Yazdi (Appl. Math. Lett., 2011)

Approximate periodic solutions for the Helmholtz-Duffing equation. - Hassan Askari; Zia Saadatnia; Davood Younesian; Ahmet Yildirim; M. Kalami Yazdi (Comput. Math. Appl., 2011)

Analysis of nonlinear oscillations of a punctual charge in the electric field of a charged ring via a Hamiltonian approach and the energy balance method. - Ahmet Yildirim; Hassan Askari; Zia Saadatnia; Mohammad Kalami Yazdi; Yasir Khan (Comput. Math. Appl., 2011)

Application of the Hamiltonian approach to nonlinear oscillators with rational and irrational elastic terms. - Ahmet Yildirim; Zia Saadatnia; Hassan Askari (Math. Comput. Model., 2011)

Flexible, Air Dryable, and Fiber Modified Aerogel-Based Wet Electrode for Electrophysiological Monitoring. - Zia Saadatnia; Shahriar Ghaffari Mosanenzadeh; Melissa Marquez Chin; Hani E. Naguib; Milos R. Popovic (IEEE Trans. Biomed. Eng., 2021)

Novel, Flexible, and Ultrathin Pressure Feedback Sensor for Miniaturized Intraventricular Neurosurgery Robotic Tools. - Tianhao Chen; Zia Saadatnia; Jongwoo Kim; Thomas Looi; James M. Drake; Eric D. Diller; Hani E. Naguib (IEEE Trans. Ind. Electron., 2021)