3 papers
physics.app-ph2024
Finite Element-based Nonlinear Dynamic Optimization of Nanomechanical Resonators
Zichao Li, Farbod Alijani, Ali Sarafraz +4
Nonlinear dynamic simulations of mechanical resonators have been facilitated by the advent of computational techniques that generate nonlinear reduced order models (ROMs) using the…
physics.app-ph2023
Quantifying stress distribution in ultra-large graphene drums through mode shape imaging
Ali Sarafraz, Hanqing Liu, Katarina Cvetanović +6
Suspended drums made of 2D materials hold potential for sensing applications. However, the industrialization of these applications is hindered by significant device-to-device varia…
physics.app-ph2022
Dynamics of pressurized ultra-thin membranes
Ali Sarafraz, Arthur Givois, Irek Roslon +5
The resonance frequency of ultra-thin layered two-dimensional (2D) materials changes nonlinearly with the tension induced by the pressure from the surrounding gas. Although the dyn…