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  1. Adaptive Multi-Scale & Multi-Fidelity Progressive Failure Analysis of Composites

    14 Nov 2022

    Although high-fidelity modeling of progressive damage has advanced our understanding of failure mechanisms in fibre-reinforced composites, such techniques are currently still too computationally intensive for direct application to composite structures. The multi-scale nature of damage in...

  2. Practical Developments in Multiscale Modeling of Composites

    07 Apr 2021

    Validated models (be they data driven or physics based) can accelerate the design, certification, and ultimate deployment of novel materials and structures by allowing rapid iteration and virtual experimentation while at the same time minimizing the need for expensive and time consuming physical...

  3. 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...

  4. 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...

  5. 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...

  6. Composite Stiffness Property Prediction

    07 Aug 2017

    Micromechanical models for the composite axial tensile, transverse tensile, and axial shear are combined into one tool with the objective of comparing their effectiveness as property prediction methods.  Rule of mixtures models (ROM) and the composite cylinder model (CCM) results for...

  7. Finite element unit cell model based on ABAQUS for fiber reinforced composites

    26 Jul 2017

  8. Micromechanical investigations of polymer matrix composites with shape memory alloy reinforcement

    18 Jul 2017

  9. Numerical characterization of effective fully coupled thermo-electro-magneto-viscoelastic-plastic response of smart composites

    18 Jul 2017

  10. Computational evaluation of effective stress relaxation behavior of polymer composites

    11 Jul 2017

    This paper presents a micromechanics model to characterize the effective stress relaxationstiffness of polymer composites. The linear viscoelastic behavior of polymer material wasmodeled by hereditary integral. The proposed model was established based on thevariational asymptotic method for unit...

  11. Injection Overmolding Manufacturing Process Simulation

    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...

  12. MUL2-UC Beam modeling of periodically heterogeneous composites

    13 Jun 2017 | Downloads

    The micromechanics code MUL2-UC is developed to work as an efficient and high-fidelity tool for the computation of the effective stiffness matrix and the recovering of the local fields of periodically heterogeneous composite structures. The main novelty is that higher-order beam theories are...

  13. Mechanics of Structure Genome: Fill the Gap between Materials Genome and Structural Analysis

    18 May 2016 | Downloads

    This is the presentation given as a Purdue Solid Mechanics Seminar on 5/18/2016. It summarizes the most recent devleopments up to the time of presentation. 

  14. A Unified Theory for Constitutive Modeling of Composites

    18 Apr 2016 | Publications

    A unified theory for multiscale constitutive modeling of composites is developed using the concept of structure genomes. Generalized from the concept of the representative volume element, a structure genome is defined as the smallest mathematical building block of a structure. Structure...

  15. 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.

  16. 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.

  17. Presentation of Micromechanics Simulation Challenge Level I Initial Results

    04 Aug 2015 | Downloads

    The attached slides summarize the Micromechanics Simulation Challenge Level I Initial Results in a presentation format. The complete report can be found at https://cdmhub.org/resources/948, and all the files supporting the results can be found...

  18. 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...

  19. 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...

  20. 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...