Structural and Multidisciplinary Optimization

, Volume 38, Issue 6, pp 583–597

Viscoelastic material design with negative stiffness components using topology optimization

Research Paper
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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.

Keywords

Topology optimization Material design Inverse homogenization Negative stiffness materials 

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Copyright information

© Springer-Verlag 2008

Authors and Affiliations

  1. 1.Department of Mechanical EngineeringMichigan State UniversityEast LansingUSA

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