This work investigates the voltage response of electrostatically actuated of Double-Wall-Carbon-Nano-Tube (DWCNT) parallel to a ground plate (electrode). The voltage between the DWCNT and the ground plate is an Alternating Current (AC) voltage whose frequency is near half of the fundamental natural frequency of the DWCNT. Since the application of this research is mass sensing, and the low power consumption is desired, the Direct Current (DC) voltage is not included in this work. DWCNT coaxial vibrations are investigated. Numerical solutions of this problem are reported.

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