نتایج جستجو برای: frp laminate

تعداد نتایج: 5682  

Journal: :Advances in transdisciplinary engineering 2022

Delamination damage is a characteristic which observed in composite laminates. can be very disastrous, hence delamination analysis for any CFRP structure necessary. In this paper epoxy carbon woven (230 GPa) Prepreg laminates was used as the adherend and FM-300K adhesive to form lap shear joint. The model created using ANSYS ACP of done 3D non-linear finite element method. Longitudinal buckling...

2010
Cheruku D. Raj Gottapu S. Rao Pappu V. Y. Jayasree Budumuru Srinu Pappula Lakshman

An absorbing material–conductor laminate is widely used for electromagnetic compatibility of electronic circuits at microwave frequencies. Such a laminate when properly designed will exhibit good results in terms of electromagnetic interference and compatibility. In this paper, microwave absorbing materials like 1) Ca-NiTi hexa ferrite composites (Ca (NiTi)x Fe12-2xO19) for x = 0.4, 2) M-Type B...

Journal: :The journals of gerontology. Series A, Biological sciences and medical sciences 2007
Loic Desquilbet Lisa P Jacobson Linda P Fried John P Phair Beth D Jamieson Marcy Holloway Joseph B Margolick

BACKGROUND Older healthy and HIV-infected adults exhibit physiological similarities. Frailty is a clinical syndrome associated with aging that identifies a subset of older adults at high risk of mortality and other outcomes. We investigated whether HIV infection increases the prevalence of a frailty-related phenotype (FRP) that approximates a clinical definition of frailty. METHODS We first d...

2016
Isabelle Caby Nicolas Olivier Frédérick Janik Jacques Vanvelcenaher Patrick Pelayo

STUDY DESIGN A controlled and retrospective study of 144 chronic low back pain patients to evaluate the effectiveness of an intensive functional restoration program in France. OBJECTIVE Evaluating the efficiency of an intensive, dynamic and multidisciplinary functional restoration program in patients with chronic low back pain (LBP), during 6 and 12 months follow up. SUMMARY OF BACKGROUND D...

2013
Alan Jeffrey

Functional Reactive Programming (FRP) is an approach to the development of reactive systems which provides a pure functional interface, but which may be implemented as an abstraction of an imperative event-driven layer. FRP systems typically provide a model of behaviours (total time-indexed values, implemented as pull systems) and event sources (partial time-indexed values, implemented as push ...

2013
T. Mohammadi B. Wan K. Harries

One of the most common failure modes of strengthened RC beams with externally bonded FRP is intermediate crack (IC) debonding of FRP initiated at the tip of flexural/shear cracks. This study presents a method, using extended finite element method (XFEM), to model IC debonding in an FRP-strengthened concrete beam. In XFEM, as soon as a damage initiation criterion is reached in an element, additi...

2014
Azadeh Parvin

This paper provides a review of some of the progress in the area of fiber reinforced polymers (FRP)-strengthening of columns for several loading scenarios including impact load. The addition of FRP materials to upgrade deficiencies or to strengthen structural components can save lives by preventing collapse, reduce the damage to infrastructure, and the need for their costly replacement. The ret...

2014
Ji-Hyun Hwang Dong-Woo Seo Ki-Tae Park Young-Jun You

Many studies on fiber reinforced polymer composite bars, as a substitute for reinforcing bars, have been conducted to solve corrosion of steel in reinforced concrete structures since 1960s’. However, FRP Bars have a lower elastic modulus than steel rebar as a structural component of concrete structures. Material properties with brittleness fracture and low elastic modulus can be improved by com...

2016
San-seong Park Bo-ram Choi

[Purpose] This study evaluated the differences in the flexion-relaxation phenomenon (FRP) of the right and left erector spinae muscles in asymptomatic subjects and the effect of lumbar stabilization exercises on these differences. [Subjects and Methods] Twenty-six participants (12 in the exercise group and 14 in the control group) with a difference in the FRP in the right and left erector spina...

2008
Neil Sculthorpe Henrik Nilsson

Functional Reactive Programming (FRP) is an approach to reactive programming where systems are structured as networks of functions operating on signals. FRP is based on the synchronous data-flow paradigm and supports both continuous-time and discrete-time signals (hybrid systems). What sets FRP apart from most other languages for similar applications is its support for systems with dynamic stru...

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