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

    18 Jul 2017 | Contributor(s): Tian Tang

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

    18 Jul 2017 | Contributor(s): Tian Tang

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

    18 Jul 2017 | Contributor(s): Tian Tang

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

    11 Jul 2017 | Contributor(s): Tian Tang, Sergio D. Felicelli

    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...

  5. Abaqus plugins for Nonlinear Acoustics

    06 Jul 2017 | Contributor(s): A.K. Singh, V.B.C. Tan, T.E. Tay, H.P. Lee

    This paper introduces generalized tools in the form of plugins for a commonly used commercial finite element package Abaqus/Standard to model the nonlinear acoustic methods for detection of delamination damage in composite laminates. The nonlinear acoustic methods typically involve exciting a...

  6. Randomization algorithm for the micromechanical modeling of fiber-reinforced Polymer Matrix Composites

    02 Jul 2017 | Contributor(s): Eric Jason Carey, Marianna Maiaru

    Polymer Matrix Composites (PMCs) are replacing metallic materials in many engineering fields such as aerospace, naval and mechanical engineering. Failure in PMCs can happen due to matrix cracking, fiber failure, fiber/matrix debonding and delamination. Performing damage and failure analysis...

  7. Python and fortran script to create Abaqus input file for discretized addition of material in additive manufacturing (3D printing)

    01 Jul 2017 | Contributor(s): VINAY DAMODARAN

    In additive manufacturing, especially, fused deposition modeling, material is continuously added over a print substrate. To simulate the process in finite element analysis, a discretized approach is used where finite number of blocks are added to the domain to simulate material addition. In the...

  8. Experimental Data Processing

    01 Jul 2017 | Contributor(s): LOUKHAM SHYAMSUNDER, Subramaniam Rajan

    Finite element models are being actively developed to model composite systems. One such is the MAT213 material model implemented into LS-DYNA [1,2]. MAT213 is an orthotropic material model with three distinct components - elastic-inelastic deformation, damage and failure. The model is driven by a...

  9. A User Material Subroutine for Implementing Anisotropic Hyperelastic Model of Fiber-Reinforced Rubbers

    01 Jul 2017 | Contributor(s): Rui Li

    This code is a user subroutine written in FORTRAN that can be implemented in the commercial finite element software ABAQUS (version 6.14) to model the constitutive behavior of knitted fiber reinforced rubbers. Currently, this code can be used to simulate the anisotropic hyperelastic response of a...

  10. Random Fiber/Matrix Model Generator

    01 Jul 2017 | Contributor(s): Micheal Keith Ballard

    A tool for the creation of 2D fiber/matrix models that have a random arrangement of fibers.  It can create a random representative volume element of a fiber/matrix microstructure that has both a periodic mesh and geometry, allowing convenient application of periodic boundary conditions...

  11. Injection Overmolding Manufacturing Process Simulation

    29 Jun 2017 | Online Presentations | Contributor(s): Johnathan Goodsell

    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. Forming simulation using ABAQUS fabric material model

    29 Jun 2017 | Animations | Contributor(s): Tian Tang

  13. Generating Representative Volume Element (RVE) for Finite Element Analysis of Random Fiber Composites/Nanocomposites

    29 Jun 2017 | Downloads | Contributor(s): Rajni Chahal, Ashfaq Adnan, Ajit Roy

          Typical electronics packages are assembled by integrating various parts on printed circuit boards (PCB). Traditional interconnect materials in electronics packages are not suitable for DoD electronics because in many DoD extremely transient conditions, mechanical failures of...

  14. MUL2-UC Beam modeling of periodically heterogeneous composites

    13 Jun 2017 | Downloads | Contributor(s): Alberto Garcia de Miguel

    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...

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

    06 Jan 2017 | Downloads | Contributor(s): Wenbin Yu

    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. 

  16. SwiftComp

    20 Jul 2015 | Tools | Contributor(s): Wenbin Yu, Xin Liu

    SwiftComp with a GUI developed based on Gmsh and a structural solver provided by Calculix.

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

    03 Jan 2017 | Downloads | Contributor(s): Xin Liu, Wenbin Yu

    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...

  18. Gmsh4SC Tutorial #3: Analysis of a Double Cell Box Girder Bridge

    03 Jan 2017 | Downloads | Contributor(s): Xin Liu, Wenbin Yu

    This tutorial shows how to use Gmsh4SC to analyze a double cell box girder bridge. Gmsh4SC can be launched directly from https://cdmhub.org/resources/scstandard. All the data files and the detailed instruction can be downloaded from Supproting Docs. 

  19. Gmsh4SC Tutorial #2: Analysis of a Composite Box Beam

    02 Jan 2017 | Downloads | Contributor(s): Xin Liu, Wenbin Yu

    This tutorial shows how to use Gmsh4SC to analyze a composite box beam. A companion video is available on YouTube. Gmsh4SC can be launched directly from https://cdmhub.org/resources/scstandard. All the data files and the detailed instruction can be downloaded from Supproting Docs. 

  20. Gmsh4SC Tutorial #1: Analysis of a Composite Laminated Beam

    06 Dec 2016 | Downloads | Contributor(s): Xin Liu, Wenbin Yu

    This tutorial shows how to use Gmsh4SC to analyze a composite laminated beam. A companion video is available on YouTube. Gmsh4SC can be launched directly from https://cdmhub.org/resources/scstandard. All the data files and the detailed instruction can be downloaded from Supproting...