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DiBenedetto Equation: Tg and DOC
23 Jul 2014 | Tools
DiBenedetto Equation: Glass Transition Temperature Dependence on Degree of Cure
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Effective Lamina and Laminate Properties
14 Feb 2014 | Tools
Calculate effective lamina and laminate properties from phase properties and layup.
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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...
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Fiber Orientation Prediction for Discontinuous Fiber Composites: Fundamentals and Future Trends
08 Feb 2023 | Online Presentations | Contributor(s): Johnathan Goodsell
When composite materials with discontinuous fibers are processed into their final shape, any flow alters the fiber orientation pattern and affects the properties of the final composite. It is now standard practice to predict fiber orientation patterns and the resulting mechanical properties in...
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Fiber-Optic-Based In-Process Monitoring of CFRP Structures for Material Quality Assurance
27 Jan 2022 | Online Presentations | Contributor(s): Johnathan Goodsell
Although carbon fiber reinforced polymer (CFRP) composites have been used extensively in many aerospace structures such as Boeing 787 and Airbus 350, low-cost and high-rate production CFRP are highly demanded for next-generation single-aisle commercial aircraft. Competition has been increasing...
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Fibrous Shell Approach and 3D Second Gradient Modeling for Textile Composite Draping
10 Dec 2021 | Online Presentations | Contributor(s): Johnathan Goodsell
Composite manufacturing processes are often complex and process simulation is a way to avoid costly trial-anderror development. Simulations of composites textile reinforcements draping use shell finite elements for which the bending behavior is very particular. The fibrous composition of the...
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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...
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Halpin-Tsai Micromechanics Model
14 Feb 2014 | Tools
Calculate homogenized lamina properties from fiber and matrix properties
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HyperSizer Pro Software from Collier Research
23 Jul 2014 | 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...
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Imparting Robustness to Out-of-Autoclave Prepregs
09 Mar 2023 | Online Presentations | Contributor(s): Johnathan Goodsell
Autoclaves have long been used to ensure robustness in the production of composite parts. However, they present a production bottleneck, as well as high capital and recurring costs. Out-of-autoclave prepregs were introduced to allow oven curing and thereby address some of these issues. These OoA...
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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...
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Keith Kedward and Composites Design (Recorded Talk)
22 Sep 2014 | Teaching Materials
Professor Byron Pipes speaks at the 2014 ASC Conference at UCSD in tribute to Keith Kedward on the subject of Composites Design.
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Keith Kedward and Composites Design (Slides)
22 Sep 2014 | Teaching Materials
Professor Byron Pipes' slides from the 2014 ASC meeting at UCSD discussing Keith Kedward and Composites Design
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M3 – A Sustainable Approach to Vehicle Light-weighting with Composites: Methods – Materials – Manufacturing
07 Apr 2023 | Online Presentations | Contributor(s): Johnathan Goodsell
The presentation will introduce our house of competence, KIT and Fraunhofer ICT and introduce our MMM approach to engineered lightweight solutions for specific industries. This comprises of the development of virtual process chains, material and manufacturing solutions for relevant technologies...
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Master Laminates to Simplify Design, Manufacturing, and Testing of Composites
12 Dec 2022 | Online Presentations | Contributor(s): Johnathan Goodsell
Composite materials and structures have traditionally been viewed as more complicated than metals. With master stiffness and failure envelopes composites are as simple as metals. Stiffness of laminates can be split into two part: one for trace that represents the total stiffness capacity; one for...
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Multiscale Modeling of Damage Mechanics of Fiber Reinforced Polymer Composites From Micro- to Macroscale: The (Virtual) Reality and Challenges Ahead
13 May 2022 | Online Presentations | Contributor(s): Johnathan Goodsell
Multi-scale modelling of composites is a very active topic in composites science. This is illustrated by the numerous sessions in the recent European and International Conferences on Composite Materials, but also by the fast developments in multi-scale modelling software tools, developed by large...
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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...
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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...
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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...
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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,...