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Numerical Modelling and Experimental Investigation of CFRP Structures for Large Deformations

2019
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Release : 2019
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Book Synopsis Numerical Modelling and Experimental Investigation of CFRP Structures for Large Deformations by : Archit M. Deshpande

Download or read book Numerical Modelling and Experimental Investigation of CFRP Structures for Large Deformations written by Archit M. Deshpande. This book was released on 2019. Available in PDF, EPUB and Kindle. Book excerpt: The use of carbon-fiber reinforced composite materials is not novel in the field of motorsports industry. Their use in collapsible structures for crashworthiness is however not fully understood and predicted. Due to the complex failure mechanisms occurring within the material, the energy absorbing capacity cannot be easily pre dicted. The need to understand their contributions in crashworthy structures is thus of great importance. Furthermore, failure of carbon-fiber composites is highly depen dent on the geometry of structure. Problems arise in both experimental and numerical modelling of these structures. Although many explicit FEA codes exist, they often include experimental parameters that need to be calibrated through either coupon tests or actual crash tests. As composite structures become more commonly used in automotive industry, it is necessary to set some guidelines to successfully model and simulate composite crashworthy structures. The numerical modelling was done in LS-DYNA Enhanced composite damage MAT54. The material properties were configured using experimental coupon tests. The tests were conducted on square composite tubes. The Specific Energy Absorption (SEA) of the tubes were calculated through several coupons. As SEA is a function of geometry, it was necessary to conduct tests with similar geometry as seen in nosecone. MAT54 was chosen to simulate both crush and crash simulations due to its capability to simulate element level crushing. Furthermore, various modifications within the material model, improve its accuracy to determine composite failure. The research utilizes the characterization of material inputs in MAT54 by con ducting quasi-static compression tests on simpler but similar geometry. By utilizing inputs, a zonal optimization was conducted on the nosecone geometry. The number of layers, layer orientations and ply thicknesses were varied to vary the energy absorbed per zone. The deceleration of the vehicle can thus be controlled, and the weight of the structure could be reduced.

ICCS21

2018-07-23 Technology & Engineering
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Release : 2018-07-23
Genre : Technology & Engineering
Kind : eBook
Book Rating : 796/5 ( reviews)

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Book Synopsis ICCS21 by : Antonio J.M. Ferreira

Download or read book ICCS21 written by Antonio J.M. Ferreira. This book was released on 2018-07-23. Available in PDF, EPUB and Kindle. Book excerpt: It is well-known that the topic of composite mate- rials affects many engineering fields, such as civil, mechanical, aerospace, automotive and chemical. In the last decades, in fact, a huge number of scientific papers concerning these peculiar constituents has been published. Analogously, the industrial progress has been extremely noticeable. The study of composite materials, in general, is a challenging activity since the advancements both in the academia and in the industry provide continually new sparks to develop innovative ideas and applications. The communication, the sharing and the exchange of views can surely help the works of many researchers. This aspect represents the main purpose of this Conference, which aims to collect high-level contributions on the development and the application of composite materials. The establishment of this 21st edition of International Conference on Composite Structures has appeared appropriate to continue what has been begun during the previous editions. ICCS wants to be an occasion for many researchers from each part of the globe to meet and discuss about the recent advancements regarding the use of composite structures, sandwich panels, nanotechnology, bio-composites, delamination and fracture, experimental methods, manufacturing and other countless topics that have filled many sessions during this conference. As a proof of this event, which has taken place in Bologna (Italy), selected plenary and key-note lectures have been collected in the present book.

Dynamic Deformation, Damage and Fracture in Composite Materials and Structures

2022-09-15 Technology & Engineering
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Release : 2022-09-15
Genre : Technology & Engineering
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Book Rating : 808/5 ( reviews)

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Book Synopsis Dynamic Deformation, Damage and Fracture in Composite Materials and Structures by : Vadim Silberschmidt

Download or read book Dynamic Deformation, Damage and Fracture in Composite Materials and Structures written by Vadim Silberschmidt. This book was released on 2022-09-15. Available in PDF, EPUB and Kindle. Book excerpt: Dynamic Deformation, Damage and Fracture in Composite Materials and Structures, Second Edition reviews various aspects of dynamic deformation, damage and fracture, mostly in composite laminates and sandwich structures, and in a broad range of application areas including aerospace, automotive, defense and sports engineering. This book examines low- and high-velocity loading and assesses shock, blast and penetrative events, and has been updated to cover important new developments such as the use of additive manufacturing to produce composites, including fiber-reinforced ones. New microstructural, experimental, theoretical, and numerical studies with advanced tools are included as well. The book also features four new chapters covering topics such as dynamic delamination, dynamic deformation and fracture in 3D-printed composites, ballistic impacts with fragmenting projectiles, and the effect of multiple impacting. Examines dynamic deformation and fracture of composite materials, covering experimental, analytical and numerical aspects Features four new chapters covering topics such as dynamic interfacial fracture, fracture in 3D-printed composites, ballistic impacts with fragmenting projectiles, and the effect of multiple impacting Addresses important application areas such as aerospace, automotive, wind energy, defense and sports

III European Conference on Computational Mechanics

2008-06-05 Technology & Engineering
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Release : 2008-06-05
Genre : Technology & Engineering
Kind : eBook
Book Rating : 703/5 ( reviews)

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Book Synopsis III European Conference on Computational Mechanics by : C. A. Mota Soares

Download or read book III European Conference on Computational Mechanics written by C. A. Mota Soares. This book was released on 2008-06-05. Available in PDF, EPUB and Kindle. Book excerpt: III European Conference on Computational Mechanics: Solids, Structures and Coupled Problem in Engineering Computational Mechanics in Solid, Structures and Coupled Problems in Engineering is today a mature science with applications to major industrial projects. This book contains the edited version of the Abstracts of Plenary and Keynote Lectures and Papers, and a companion CD-ROM with the full-length papers, presented at the III European Conference on Computational Mechanics: Solids, Structures and Coupled Problems in Engineering (ECCM-2006), held in the National Laboratory of Civil Engineering, Lisbon, Portugal 5th - 8th June 2006. The book reflects the state-of-art of Computation Mechanics in Solids, Structures and Coupled Problems in Engineering and it includes contributions by the world most active researchers in this field.

Proceedings of the 2015 International Conference on Materials Engineering and Environmental Science (MEES2015)

2016 Electronic books
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Release : 2016
Genre : Electronic books
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Book Rating : 988/5 ( reviews)

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Book Synopsis Proceedings of the 2015 International Conference on Materials Engineering and Environmental Science (MEES2015) by : International Conference on Materials Engineering and Environmental Science

Download or read book Proceedings of the 2015 International Conference on Materials Engineering and Environmental Science (MEES2015) written by International Conference on Materials Engineering and Environmental Science. This book was released on 2016. Available in PDF, EPUB and Kindle. Book excerpt: "This book consists of one hundred and nine selected papers presented at the 2015 International Conference on Materials Engineering and Environmental Science (MEES2015), which was successfully held in Wuhan, China during September 25-27, 2015. All papers selected for this proceedings were subjected to a rigorous peer-review process by at least two independent peers. The papers were selected based on innovation, organization, and quality of presentation. The MEES2015 covered a wide spectrum of research topics, ranging from fundamental studies, technical innovations, to industrial applications in Chemical Material and Chemical Processing Technology, Composite Materials, Alloy Materials and Metal Materials, Characteristics of Materials, Building Material and Construction Technology, Ecology and Environment, Technology for Environmental Protection, Economy and Environment, Mechanical and Control Engineering, and Manufacturing Technology. The MEES2015 brought together more than one hundred researchers from China, South Korea, Taiwan, Japan, Malaysia, and Saudi Arabia, and provided them with a forum to share, exchange and discuss new scientific development and future directions of Materials Engineering and Environmental Science."--Provided by publisher

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