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  1. Constitutive modeling for time- and temperature-dependent behavior of composites

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    08 Jan 2020

    Structural integrity, durability, and thermal stability represent critical areas for adequately modeling the behavior of composite materials. Polymeric matrices are prone to have time-dependent behavior very sensitive to changes in temperature that influence the effective properties of the...

  2. MSC.Patran/Nastran-SwiftComp GUI

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    01 Apr 2019

    A graphical user interface (GUI) has been developed to integrate SwiftComp into MSC.Patran/Nastran for constitutive modeling and providing the automated conversion of the MSG plate and beam stiffness matrix into MSC.Nastran shell and beam element properties and materials. In order to reduce...

  3. Woven fabrics UMAT- a coupled material model

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    02 Aug 2017 | Contributor(s): Ali Roumani

    One of the advantages of woven fabrics over unidirectional prepregs is their superior formability thanks to the large shear deformation capability. There exists, however, a limit on the shear deformation of woven fabrics, namely the wrinkling. Applying tension to delay wrinkling during forming...

  4. Injection Overmolding Manufacturing Process Simulation

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    29 Jun 2017 | Online Presentations

    Injection over-molding or hybrid molding is a high-rate composites manufacturing process for fabrication of structural components with complex geometries.  The structural backbone is provided by a continuous-fiber woven prepreg while the geometric complexity is realized via injection...

  5. Orthotropic Stress Concentration Factor

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    25 Sep 2014 | Tools

    Calculates the stress concentration factor for a circular hole in an infinite orthotropic plate

  6. Demystifying Composites Simulation for Performance

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    25 Nov 2024 | Downloads | Contributor(s): Ali Roumani

    The presentation given in IACMI Tutorial session before the 2016 Summer Members Meeting. It tried to explain in layman terms modeling and simulation, and composites, pointed out the barriers we need to overcome to reap full benefits of simulation for composites innovation. 

  7. 2015 cdmHUB Workshop

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    23 Jul 2014 | Series

    Composites Design, Analysis and Manufacturing Workshop held at Purdue University on November 3-5, 2015.  Both lectures slides and lecture videos are presented.

  8. 2015 cdmHUB Workshop

    0.0 out of 5 stars 

    25 Nov 2024 | Series | Contributor(s): Ali Roumani

    Composites Design, Analysis and Manufacturing Workshop held at Purdue University on November 3-5, 2015.  Both lectures slides and lecture videos are presented.

  9. CATIA Composites Braiding

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    25 Nov 2024 | Animations | Contributor(s): Ali Roumani

    A tool developed with BMW for strong structural Composites parts. Composites braiding is for high output cylindrical parts with minimal waste.

  10. DiBenedetto Equation: Tg and DOC

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    23 Jul 2014 | Tools

    DiBenedetto Equation: Glass Transition Temperature Dependence on Degree of Cure

  11. The Mission, Vision and Programs of the Composites Design and Manufacturing HUB

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    25 Sep 2014 | Teaching Materials

    The presentation outlines the mission, vision and programs of the Composites Design and Manufacturing HUB as of October 2014.

  12. The Mission, Vision and Programs of the Composites Design and Manufacturing HUB

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    23 Jul 2014 | Teaching Materials

    The presentation outlines the mission, vision and programs of the Composites Design and Manufacturing HUB as of October 2014.

  13. Plane-Stress Compliance Transform

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    25 Sep 2014 | Tools

    Transforms 2D compliance terms by rotation about the 3-axis

  14. Composite Materials and Structures 1972-2012: Grand Challenges

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    23 Jul 2014 | Teaching Materials

    Professor R. Byron Pipes presents the Grand Challenges for Composite Materials for the next 40 years at the American Society of Composites Conference in Arlington, TX on October 2, 2012.