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  1. VABS: Modeling Composite Beam-like Structures with 3D FEA Fidelity

    06 Feb 2021 | Contributor(s): Nikki Huang

    This presentation was given at Altair Virtual ATCx Composites: https://atcxcomposites.virtual.altair.com/. Variational asymptotic beam section (VABS) is a unique technology continuously funded by the US Army since 1988 and it has become a tool of choice in the helicopter and wind turbine...

  2. iVABS

    19 Nov 2020 | Contributor(s): Nikki Huang

    iVABS (namely integrated VABS), is a design framework for composite slender structures (also called composite beams) such as helicopter rotor blades, wind turbine blades, high aspect ratio wings, bridges, shafts, etc. This framework bundles PreVABS, VABS, GEBT, Dakota, along with msgpi for...

  3. PreVABS

    16 Nov 2017 | Contributor(s): Nikki Huang

    PreVABS is a pre-processing tool for VABS and SwiftComp. This tool is designed to reduce the workload of preparing input files of beam cross sections for VABS and SwiftComp, and to make the process automatic for the design and optimization purpose. Cross sections with general and...

  4. VABS: Powering Simple Beam Elements with Detailed 3D FEA Fidelity

    06 Jan 2017 | Contributor(s): Nikki Huang

    This presentation gives a brief introduction to VABS, a general-purpose cross-sectional analysis, which can power conventional, simple beam elements with detailed 3D FEA fidelity. 

  5. TexGen4SC Tutorial #1: Homogenization Analysis of Textile Composites with Arbitrary Inter-ply Shifts

    03 Jan 2017

    This tutorial shows how to use TexGen4SC to perform homogenization analysis of textile composites with arbitrary inter-ply shifts. A companion video is available on YouTube. TexGen4SC can be launched directly from https://cdmhub.org/tools/texgen4sc. A python script for the...

  6. TexGen4SC

    14 Feb 2014 | Tools

    Modeling of woven fabric composites generated by TexGen using SwiftComp

  7. Analysis of Slender Structures Using Mechanics of Structure Genome and Open Source Codes

    28 May 2014 | Publications

    This is the Master thesis from Xin Liu in Prof Yu’s research group. In this thesis, the Mechanics of Structure Genome (MSG) has be used to provide an alternative way to model composite beam-like structures. Basic concept of MSG is introduced as well as the idea of how to carry out...

  8. 2015 cdmHUB Workshop

    28 May 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.

  9. 2015 cdmHUB Workshop

    14 Feb 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.

  10. ANSYS-VABS Graphic User Interface (GUI)

    03 Aug 2015 | Downloads | Contributor(s): Nikki Huang

    This resource contains the release package of ANSYS-VABS GUI.VABS code is NOT included. Manual and the source scripts for the interface can be found in the Supporting Documents.This GUI was developed based on ANSYS Release...

  11. ABAQUS-VABS GUI

    29 Jun 2015 | Downloads | Contributor(s): Nikki Huang

    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

    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. Skill of Using Surface Element in ANSYS

    26 Mar 2015 | Downloads

    Dear All, For those ANSYS users, please check the attached skill of using surface element, “Surface_Effect_Elements.pdf”, to apply the surface tangent traction. It works well for homogenization simulations, and also for some beams structure validations. This attached zip file also...

  14. A Critical Assessment of Computer Tools for Calculating Composites Wind Turbine Blade Properties

    16 Mar 2015 | Publications | Contributor(s): Nikki Huang

    The purpose of this paper is to critically assess several computer tools for calculating the inertial and structural properties of wind turbine blades. The theoretical foundation of each tool is briefly summarized, and the advantages and disadvantages of each tool are pointed out. Several...

  15. Structure Genome: Fill the Gap between Materials Genome and Structural Analysis

    29 Nov 2014 | Publications

    A new concept, Structure Genome (SG), is proposed to fill the gap between materials genome and structural analysis. SG acts as the basic building block of the structure connecting materials to structures and the mechanics of SG governs the necessary information to link materials genome and...

  16. Variational Asymptotic Modeling of Composite Dimensionally Reducible Structures

    09 Nov 2014 | Publications

    This is Prof. Yu's PhD dissertation. In this disseration, the variational asymptotic method has be used to provide a systematic, holistic, and rigorous approach to construct efficient yet accurate models for composite beams, plates, and shells.  

  17. 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.

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

    19 Sep 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.

  19. 2013 Composites Design and Manufacturing HUB Kickoff Workshop

    04 Sep 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.

  20. HyperSizer Pro Software from Collier Research

    20 Aug 2014 | Tool Information

    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...