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...

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...

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...

PreVABS

16 Nov 2017

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...

Puck Failure Criteria

31 Jul 2017

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...

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...

TexGen4SC

14 Feb 2014 | Tools

Modeling of woven fabric composites generated by TexGen using SwiftComp

A Unified Theory for Constitutive Modeling of Composites

14 Aug 2014 | 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...

2015 cdmHUB Workshop

23 Jul 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.

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.

Skill of Using Surface Element in ANSYS

14 Feb 2014 | 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...

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

23 Jul 2014 | 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...

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

14 Aug 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...

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

22 May 2013 | Teaching Materials

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

Composite Materials and Structures 1972-2012: Grand Challenges

22 May 2013 | 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.

2013 Composites Design and Manufacturing HUB Kickoff Workshop

22 May 2013 | 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.

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.

HyperSizer Pro Software from Collier Research

22 May 2013 | 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...

Announcement for the 2014 Composites Design, Analysis and Manufacturing Workshop

22 May 2013 | Teaching Materials

Flyer announcement for the 2014 Composites Design, Analysis and Manufacturing Workshop to be held at Purdue University, August 5-7, 2014.The Composites Design and Manufacturing HUB is holding a hands-on workshop in composites design, analysis and manufacturing. Join us at Purdue University on...

Interlaminar Stresses in Symmetric Angle-Ply Laminates Subjected to Anticlastic Bending Deformation

22 May 2013 | Tool Information

The aim of the present work is to develop a solution for the interlaminar stress field in a symmetric and balanced,  angle-ply laminate subjected to anticlastic bending deformation.  Further, this class of problems is considered in order to elucidate the behavior of angle-ply laminates...