An elastomer is a polymer with a notably low Young's modulus and high yield strain compared to other materials 1. The term, elastomer, is derived from an elastic polymer and is often used interchangeably with the term rubber. Each of the monomers that link to form a polymer is normally comprised of carbon, hydrogen, oxygen and/or silicon. Elastomers are amorphous polymers existing above their glass transition temperature, so considerable segmental motion is possible. Elastomeric materials exhibit viscoelasticity and are used widely in components, such as tyres and vibration isolators. Elastomeric bushing, which is one type of structural components, isolates vibrations, reduces noise transmission, accommodates oscillatory motions and accepts the misalignment of axes 2. The shape of an elastomeric bushing can be regarded as a hollow cylinder that is bonded to a solid shaft at its inner surface and a hollow cylindrical sleeve at its outer surface. Fig. 1 shows the configurations of elastomeric bushing. The sleeve is connected to the components of the suspension system and is used to transfer loads and moments from the wheel to the chassis. The elastomeric bushing reduces the shock and vibration in this connection. Dynamics simulations of the automotive suspension system involve interactions between many components.
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