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

    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

    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. VUMAT of a Generalized Standard Continuum Damage Model

    13 Apr 2018 | Downloads

    Based on a recently developed generalized standard continuum damage model (CDM), this VUMAT user subroutine provides a rigorous and robust framework for implementing various damage behavior into 2D or 3D solid elements in a finite element analysis (FEA). It is designed to be used with...

  4. Woven fabrics UMAT- a coupled material model

    02 Aug 2017 | Downloads

    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...

  5. Puck Failure Criteria

    31 Jul 2017 | Downloads

    Composite materials have been established as competitive materials during the last few decades due to their high strength to l ow weight ratio among other advantages and are widely used in many industries. A recent study has found that the industrial usage of composite failure...

  6. Forming simulation using PAM-FORM, AniForm, LS-DYNA, and ABAQUS

    18 Jul 2017 | Animations

  7. Orthotropic Stress Concentration Factor

    25 Sep 2014 | Tools

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

  8. ABAQUS-SwiftComp GUI

    19 May 2016 | Downloads

    This resource contains the download of the release package of ABAQUS-SwiftComp GUI.  Please be advised that what you download is the GUI only, you have to fill the form at http://analyswift.com/software-trial/ to request SwiftComp from AnalySwift LLC for performing the...

  9. 2015 cdmHUB Workshop

    05 Jan 2016 | Series | Contributor(s): Nikki Huang

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

  10. 2015 cdmHUB Workshop

    05 Jan 2016 | Series

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

  11. ABAQUS-VABS GUI

    29 Jun 2015 | Downloads

    A Python script used to convert the input file generated by ABAQUS for VABS, a detailed step-by-step instruction using ABAQUS CAE to generate a simple beam section (composite anisotropic pipe)  is also given. Python scripts for generating more complex sections such as real...

  12. HyperSizer for Composites: Insanely Fast Laminate Optimization

    31 Mar 2015 | Tool Information | Contributor(s): Nikki Huang

    95% of users, without user manual, and without instruction, will be able to import their FEM and produce optimum composites laminates that satisfy all analyses to all load cases within the first 10 minutes. Your automatically updated model will have minimum weight and fully producible laminates...

  13. NAFEMS Invitation to Tender: How to Obtain Material Properties for Structural Analysis of Composites

    13 Feb 2015 | White Papers/Research Documents

    The NAFEMS Composites Working Group wishes to commission a new document with the suggested title "How to Obtain Material Properties for Structural Analysis of Composites". The book will be a companion volume to the existing NAFEMS publications "An introduction to the use of material models in...

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

    08 Oct 2014 | Teaching Materials

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

  15. Plane-Stress Compliance Transform

    25 Sep 2014 | Tools

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

  16. 2013 Composites Design and Manufacturing HUB Kickoff Workshop

    27 Jun 2014 | Series | Contributor(s): Nikki Huang

    The Composites Design and Manufacturing HUB held a kick-off workshop at Purdue University on May 29-30, 2013 with over 100 attendees from industry, academia and government.  Select presentations from the workshop are included in this series.

  17. 2013 Composites Design and Manufacturing HUB Kickoff Workshop

    23 Jul 2014 | Series

    The Composites Design and Manufacturing HUB held a kick-off workshop at Purdue University on May 29-30, 2013 with over 100 attendees from industry, academia and government.  Select presentations from the workshop are included in this series.

  18. HyperSizer Pro Software from Collier Research

    27 Jun 2014 | Tool Information | Contributor(s): Nikki Huang

    HyperSizer® is Design, Analysis, and Optimization Software for Composite and Metallic Structures HyperSizer is used throughout the design process--including certification--to quantify all critical failure modes, reduce structural weight, and sequence composite laminates for fabrication to...