Recent Developments in Computational Approaches to Model Laminated Composite Shells and Damage and Fracture in Solids
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16 Feb 2021
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 | Contributor(s):: Conchur O'Bradaigh
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 | Contributor(s):: Suresh Advani
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 | Contributor(s):: Michael R Wisnom
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 | Contributor(s):: Kevin Potter
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 | Contributor(s):: Kenneth L Reifsnider
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....