September 15, 2021 10:00 AM Eastern Time.

Three dimensional woven are a very promising type of composite as they give the possibility to add a third direction of reinforcement with the addition of yarns interlacing through the thickness to improve damage tolerance properties. However, the multiple possibilities to weave this third direction makes the final number of configurations extremely important. To support the development of 3D woven and to enable a quick screening of potential weave pattern properties, a numerical tool must be proposed to designers to analyze and predict stiffness, failure and thermo-mechanical behavior of any 3D woven representative volume element (RVE).

In addition, the accuracy of the geometry of the 3D weave pattern is crucial to predict properly the woven properties. To improve this aspect, a new interface with a third-party software (DFCA, Kansas State University) providing accurate and realistic weave pattern geometries has been developed and will be demonstrated.

The webinar will describe the framework used for such analyses that rely on:

  • The import of a realistic weave pattern and the generation of the geometry
  • Pre-defined weave pattern and customizable weave pattern definitions
  • A micro-mechanical approach to predict the mechanical performance (stiffness, strength, CTEs and residual stresses)
  • The resolution capability based either on FE or FFT method


The presentation will illustrate the efficiency of that workflow applied on several examples.

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Date and Time: September 15, 2021 at 10:00 AM Eastern Time
Duration: 1 hour

Three dimensional woven are a very promising type of composite as they give the possibility to add a third direction of reinforcement with the addition of yarns interlacing through the thickness to improve damage tolerance properties. However, the multiple possibilities to weave this third direction makes the final number of configurations extremely important. To support the development of 3D woven and to enable a quick screening of potential weave pattern properties, a numerical tool must be proposed to designers to analyze and predict stiffness, failure and thermo-mechanical behavior of any 3D woven representative volume element (RVE).

In addition, the accuracy of the geometry of the 3D weave pattern is crucial to predict properly the woven properties. To improve this aspect, a new interface with a third-party software (DFCA, Kansas State University) providing accurate and realistic weave pattern geometries has been developed and will be demonstrated.

The webinar will describe the framework used for such analyses that rely on:

  • The import of a realistic weave pattern and the generation of the geometry
  • Pre-defined weave pattern and customizable weave pattern definitions
  • A micro-mechanical approach to predict the mechanical performance (stiffness, strength, CTEs and residual stresses)
  • The resolution capability based either on FE or FFT method


The presentation will illustrate the efficiency of that workflow applied on several examples.

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