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Methods to calculate properties of laminated composite materials

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Methods to calculate composite plate properties

High-performance module to calculate properties of laminated composite materials. Usually, this module is used to calculate:

  • A, B, D, E plane-stress stiffness matrices for plates -- A, B, D, for classical plate theory (CLT, or CLPT) -- E for first-order shear deformation theory (FSDT)
  • Material invariants, trace-normalized or not
  • Lamination parameters based on material invariants
  • Stiffness matrices (ABDE) based on lamination parameters

Citing this repository

Castro, S. G. P. Methods to calculate composite plate properties (Version 0.4.22) [Computer software]. 2022.

Bibtex :

    author = {Castro, Saullo G. P.},
    doi = {10.5281/zenodo.2871782},
    title = {{Methods to calculate composite plate properties (Version 0.4.22) [Computer software]. 2022}}


The documentation is available on:


  • version 0.1.0, from sub-module of compmech 0.7.2
  • version 0.2.2, from sub-module of meshless 0.1.19
  • version 0.2.3 onwards, independent of previous packages
  • version 0.3.0 onwards, with fast Cython version, not compatible with previous versions
  • version 0.4.0 onwards, fast Cython and cimportable by other packages, full compatibility with finite element mass matrices of plates and shells, supporting laminated plates with materials of different densities


Distrubuted under the 3-Clause BSD license (


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composites-0.4.22-cp310-cp310-win_amd64.whl (168.1 kB view hashes)

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