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Optimization of a Composite Double-Walled Cylindrical Shell Lined with Porous Materials for Higher Sound Transmission Loss by using a Genetic Algorithm

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Mechanics of Composite Materials Aims and scope

A study on the optimization of sound transmission loss (TL) across a double-walled cylindrical laminated composite shell whose walls sandwich a layer of porous material is investigated using a genetic algorithm. First, an exact relation is presented by considering the effective wave component in the porous layer within the framework of the classic theory for laminated composite shells. The TL of the structure is estimated in a broadband frequency. Then, an acoustic optimization is considered for the sandwich structure with respect to the constraints of geometric properties.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Islamic Azad University, ShahreRey Branch, Tehran, Iran

    H. Ramezani

  2. Department of Mechanical Engineering, Tarbiat Modares University, Tehran, Iran

    H. Ramezani

  3. School of Mathematics, Iran University of Science and Technology, Tehran, Iran

    A. Saghafi

Authors
  1. H. Ramezani
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  2. A. Saghafi
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Correspondence to A. Saghafi.

Additional information

Russian translation published in Mekhanika Kompozitnykh Materialov, Vol. 50, No. 1, pp. 101-114, January-February, 2014.

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Ramezani, H., Saghafi, A. Optimization of a Composite Double-Walled Cylindrical Shell Lined with Porous Materials for Higher Sound Transmission Loss by using a Genetic Algorithm. Mech Compos Mater 50, 71–82 (2014). https://doi.org/10.1007/s11029-014-9394-2

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  • DOI: https://doi.org/10.1007/s11029-014-9394-2

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