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Fiber Orientation Prediction for Discontinuous Fiber Composites: Fundamentals and Future Trends
08 Feb 2023 | 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 | 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 | 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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Forming simulation using PAM-FORM, AniForm, LS-DYNA, and ABAQUS
18 Jul 2017
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Free Edge Stress Analysis of Laminated Structures with Arbitrary Cross Sections Using Mechanics of Structure Genome
12 Dec 2016 | Publications
This is the master thesis from Lingxuan Zhou advised by Prof. Yu. In this thesis, free-edge stress analysis of composite laminated structures with arbitrary cross sections is dealt with using mechanics of structure genome (MSG). A cross-sectional analysis specialized from MSG is...
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Generalized Free-Edge Stress Analysis Using Mechanics of Structure Genome
22 Aug 2016 | Publications
This work reveals the potential of mechanics of structure genome (MSG) for the free-edge stress analysis of composite laminates. First, the cross-sectional analysis specialized from MSG is formulated for solving a generalized free-edge problem of composite laminates. Then, MSG and the companion...
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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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HyperSizer for Composites: Insanely Fast Laminate Optimization
31 Mar 2015 | Tool Information | Contributor(s): Nikki Huang
95% of users, without user manual, and without instruction, will be able to import their FEM and produce optimum composites laminates that satisfy all analyses to all load cases within the first 10 minutes. Your automatically updated model will have minimum weight and fully producible laminates...
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HyperSizer Pro Software from Collier Research
20 Aug 2014 | Tool Information | Contributor(s): Nikki Huang
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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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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Mechanics of Structure Genome:Fill the Gap between Materials Genome and Structural Analysis
18 May 2016 | Downloads
This is the presentation given as a Purdue Solid Mechanics Seminar on 5/18/2016. It summarizes the most recent devleopments up to the time of presentation.
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Mechanics of Structure Genome: Reproduce 3D FEA Using Simple Structural Models for Aero Structures
10 Sep 2015 | Online Presentations
This presentation is an extended lecture delivered to the Boeing FEA Community of Excellence on Sept 10th.The Mechanics of Structure Genome (MSG) has been recently developed at Purdue with the promise to revolutionize the analysis of composite structures. MSG can reproduce 3D FEA using simple...
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Multiscale analysis of multilayer printed circuit board using Mechanics of Structure Genome
23 Jan 2019 | Publications
The structure of Printed Circuit board (PCB) is very complicated because it consists of woven composites and custom defined conducting layers. To improve the reliability of PCB, it is critical to predict the constitutive relations accurately. This study by implementing Mechanics of Structure...
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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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New Developments in Platelet Composite Performance
15 Feb 2023 | Online Presentations | Contributor(s): Xuan Wang
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New Developments in Platelet Composite Rheology
15 Feb 2023 | Online Presentations | Contributor(s): Xuan Wang
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New Developments in Platelet Meso-scale Measurements
15 Feb 2023 | Online Presentations | Contributor(s): Xuan Wang
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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...