Effect of thickness on Dielectric Elastomer
Effect of thickness on Dielectric Elastomer
(OP)
Hello,
Does the thickness fo the membrane have ay effect on the natural frequency produced without applying volatge. That is at 0kV applied to a dielectric elastomer membrane, does a change in thickness of the membrane affect the natural frequency produced? Immediate assistance needed!!!
Does the thickness fo the membrane have ay effect on the natural frequency produced without applying volatge. That is at 0kV applied to a dielectric elastomer membrane, does a change in thickness of the membrane affect the natural frequency produced? Immediate assistance needed!!!
RE: Effect of thickness on Dielectric Elastomer
So if you go on increasing the thickness of membrane, the natural frequency is going to increase in proportion of square root of thickness. If there is decrease in thickness then there will be similar decrease in proportion of square root of thickness.
Pre-stretch can increase natural frequency since the stiffness due to stretching is increased (by pre-stretching membrane the looseness of membrane vanishes and membrane becomes stiffer and can marginally take in-plane load than loose membrane) although thickness is reduced. So any change in stiffness due to geometric or load conditions, the natural frequency of components can be altered.