Shape Optimisation Of An Elastomer Pressure Transducer By Means Of New Software Tools
Author(s)
Y. Deger
Abstract
Shape Optimisation of an elastomer pressure
transducer by means of new software tools
Y. Deger
Sulzer Markets & Technology Ltd, Sulzer Innotec,
Winterthur, Switzerland
Abstract
A pressure transducer of a security device in form of a fine membrane consisting
of rubber / elastomer material exhibits hyperelastic hysteretic material behaviour.
It must sustain practically an unlimited number of perpetual loading and
unloading without any damage. To ensure this reliability it is of crucial
importance that the stresses are distributed as homogenous as possible and
remain under a certain allowable level during the whole operational cycle, which
imposes considerable pressure and large displacements on the membrane
structure. Due to inherent nonlinearities it is practically not straight forward to
predict the optimal shape for such a membrane fullfilling the conditions
mentioned above. A step by step optimisation approach by means of several
measurements on many prototypes of the final
Keywords
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