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  1. The Story of Permeability in Liquid Composite Molding (LCM): How to Devise and Validate Process Simulation Software?

    13 Apr 2022 | Contributor(s): Johnathan Goodsell

    Permeability characterizes the capability of establishing a fluid flow through a porous medium. This lecture aims to present a summary on the state-of-the-art knowledge on permeability in LCM together with a discussion on open questions. The Story of Permeability in Liquid Composite Molding (LCM)...

  2. US-COMP: Next Generation of Composites Materials for Crewed Deep Space Missions

    15 Dec 2023 | Contributor(s): Johnathan Goodsell

    Current state-of-the-art composite materials are not light/strong enough for crewed missions to Mars and beyond. Structural components of deep space vehicles require lighter/stronger materials for fuel efficiency. The NASA Space Technologies Research Institute (STRI) for Ultra-Strong Composites...

  3. Woven fabrics UMAT- a coupled material model

    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...