Rheology of Carbon Fiber Thermoplastic Polymer Composites

26 Apr 2021 | Online Presentations | Contributor(s): Johnathan Goodsell

The rheology of fiber–reinforced thermoplastic composites will be presented with specific focus on several topics studied over the past three decades. Interest in the elongational viscosity of collimated, discontinuous fiber systems was initiated by the introduction of impregnated,...

Practical Developments in Multiscale Modeling of Composites

07 Apr 2021 | Online Presentations | Contributor(s): Johnathan Goodsell

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...

Recent Developments in Computational Approaches to Model Laminated Composite Shells and Damage and Fracture in Solids

16 Feb 2021 | Online Presentations | Contributor(s): Johnathan Goodsell

In this lecture, two different topics of considerable interest to composite materials and structural mechanics communities are discussed. The first topic deals with the development of locking-free shell finite elements with thickness stretch for the nonlinear analysis of isotropic and laminated...

Novel Powder Epoxy Composites for Thick-Section Structures

25 Jan 2021 | Online Presentations | Contributor(s): Johnathan Goodsell

This seminar discusses the ongoing work at The University of Edinburgh on the processing, design and testing of thicksection composites for industrial structures such as large wind and tidal turbine blades, via powder epoxy resin systems. Thick-section composite parts are difficult to manufacture...

Emerging Role of Process Models & Simulations in Composites Manufacturing

07 Dec 2020 | Online Presentations | Contributor(s): Johnathan Goodsell

This talk will highlight the ever increasing benefits of process modeling in Composite Manufacturing processes. First, the use of science base approach of materials processing, which integrates material parameters with transport phenomena at various scales during manufacturing to create...

The Challenges of Determining the Strength of Composites

24 Nov 2020 | Online Presentations | Contributor(s): Johnathan Goodsell

Why are there such large differences in reported strengths of composites? Some of the reasons are the definition of strength, material variability, poor test methods, and subtle variations in carrying out the tests. But there are other important factors that affect strength that are not...

Automating the Lay-up of Geometrically Complex Composite Structures Made from Preimpregnated Reinforcements: a Route to a Roadmap

04 Nov 2020 | Online Presentations | Contributor(s): Johnathan Goodsell

A significant amount of research and industrial effort has been expended on the development of equipment such as automated fibre placement machines to lay-up prepregged reinforcements into structures of relatively simple geometry such as wing skins and spars, and fuselage structures. These...

Defect Coupling Predicting the Strength and Life of Fiberous Composite Laminates

16 Oct 2020 | Online Presentations | Contributor(s): Johnathan Goodsell

After more than 30 years of careful experimental investigation and exhaustive development of discrete damage analysis methods including integrated computational mechanics methods, our community knows a great deal about how discrete defects such as matrix cracks and defect growth (e.g....

Global Composites Experts Webinar Series

12 Aug 2020 | Series | Contributor(s): Johnathan Goodsell

The webinars examine the history, present capabilities, and future of composites science and technology. The goal of the series is to accumulate the vast knowledge of composites that has been developed over the past 50 years and to make it available to the global composites community. Each...

MSG-based Multiscale Modeling for Beams

05 Jul 2019 | Downloads | Contributor(s): Gerhard Klimeck

Presentation given in Summer 2019 at Wuhan University of Technology. 

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

06 Jan 2017 | Downloads

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. 

ANSYS-VABS Graphic User Interface (GUI)

03 Aug 2015 | Downloads | Contributor(s): Gerhard Klimeck

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...

PostGEBT

15 Aug 2014 | Downloads | Contributor(s): Gerhard Klimeck

PostGEBT is a post-processing code which can effectively visualize mass data generated by the nonlinear beam solver GEBT. PostGEBT reads and visualizes the results produced by GEBT for static, steady-state, transient dynamic, and eigenvalue analyses. More details can be found in the PostGEBT...

Geometrically Exact Beam Theory

30 May 2014 | Tools | Contributor(s): Gerhard Klimeck

A General-Purpose Nonlinear Analysis Tool for Composite Beams Considering All Elastic Couplings

Geometrically Exact Beam Theory

11 Jul 2014 | Downloads | Contributor(s): Gerhard Klimeck

Geometrically Exact Beam Theory (GEBT), is a general-purpose tool for nonlinear analysis of composite slender structures, meeting the design challenges associated with future engineering systems featuring highly-flexible slender structures made of composites. GEBT is based on the mixed...