Abstract
An application of topology optimization to design viscoelastic composite materials with elastic moduli that soften with frequency is presented. The material is a two-phase composite whose first constituent is isotropic and viscoelastic while the other is an orthotropic material with negative stiffness but stable. A concept for this material based on a lumped parameter model is used. The performance of the topology optimization approach in this context is illustrated using three examples.
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Prasad, J., Diaz, A.R. Viscoelastic material design with negative stiffness components using topology optimization. Struct Multidisc Optim 38, 583–597 (2009). https://doi.org/10.1007/s00158-008-0308-6
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DOI: https://doi.org/10.1007/s00158-008-0308-6