1,887 research outputs found
Experimental and Numerical Analysis of Elasto-Plastic Behaviour of Notched Specimen to Tensile and Compressive Cyclic Loading
The objective of the work was to estimate the elasto-plastic stress and strain behaviour at the root of the notch of an Al 6061 plate undergoing tensile and compressive cyclic loading by both experimental and numerical methods. This attempt to measured initial elasto-plastic stresses experimentally then verified by numerically. The various Kt values such as 2, 4 and 6 specimens were subjected to tensile test using a computerised universal testing machine. Numerical approach associated with body discretization and developed finite element model with sufficient degree of freedom to analyses elasto-plastic analysis of notched specimen. Experimental results show that analysis of three Kt notched specimens had similar behaviour of elasto-plastic behaviour but different magnitude. The experimental results compare well with the numerical results which are obtained during finite element analysis of notched specimen
Personal or planetary health? Direct, spillover and carryover effects of non-monetary benefits of vegetarian behaviour
There is a debate about whether framing motivations as personal or planetary benefits - or both - is more effective at encouraging sustainable actions and promoting positive behavioural spillovers. In a pre-registered online longitudinal experiment, we randomly allocate n=1,242 respondents to either a control condition, or to one of three novel, interactive implementation intention interventions framing the benefits of a vegetarian diet in terms of either personal health, or planetary health, or both personal and planetary health. We ask respondents to choose between real vegetarian or non-vegetarian foods. We then ask them to donate part of their money to a charity. We finally measure their food choices three days and two months after the interventions. Compared to the control group, we find that participants assigned to any of the behavioural interventions are twice as likely to choose a vegetarian option. We find no statistically significant differences in the proportions of vegetarian options across the three experimental conditions. We find evidence of a positive behavioural spillover on the donations to charity amongst participants exposed to combined personal and planetary health. Three days after the interventions, participants allocated to this combined frame still reported to eat more vegetarian meals than in the control group. Such carryover effects, however, did not persist two months after the interventions. Overall, our research offers new insights about framing behavioural interventions to motivate sustainable actions and their potential behavioural spillovers
“Statistical Investigation of Parameters influence in fracture toughness of glass fibre reinforced composites
The objective of the work was to investigate
statistical analysis of fracture toughness of the glass fiber reinforced composites at different stacking sequences, strain rate and crack length. The glass reinforced vinylester composites pre
pared by hand layup technique with stacking
sequences of 0/90, 45/-45 and chopped strand orientations. 3-point bending for fracture toughness test for various notch depth ratio’s as per linear elastic fracture mechanics concept was conducted. Further the initial notch depth method was
adopted to find the critical stress intensity factor KIC for the given notch depth ratio. Design of experiment using Taguchi L9 array was formulated to understand the influence of parameters on fracture toughness. The result of surface methodology showed the stacking sequence of [45/
-45/0/90/Chopped]3s, with strain rate of 0.5 mm/min and without notch having the highest fracture toughness of 81.36 Mpam, when compared to Al 6061 alloy which has the fracture toughness of 33.09 Mpam. The specimens failed due to fiber pull out, de-bonding and also fiber breakage during the loading conditions, which was evident by SEM
La guerre contre les drogues illicites : Est-ce qu’elle est perdue ?
Il sistema legale messicano versa in uno stato disastroso a causa dei cartelli della droga sostenuti e sovvenzionati dagli Stati Uniti d’America. Infatti, gli USA rappresentano il principale mercato della marijuana, della cocaina e delle droghe sintetiche (queste ultime in misura minore) provenienti dal Messico. L’articolo mette in evidenza che le regioni frontaliere del Messico sono prese in ostaggio, da una parte, dai principali produttori modiali di cocaina e, dall’altra, dai principali consumatori (che si trovano nell’America del Nord ed in Europa). Pertanto, secondo l’autrice ed il suo collaboratore, il Messico non può risolvere da solo i suoi problemi derivanti dal narco-traffico
Cloud based Application Development and Various Software Quality Model
A cloud application (or cloud app) can be a hybrid application and can be used for Android, IOS and window, with some characteristics of a pure desktop app and some characteristics of a pure Web app. A desktop app resides entirely on a single device at the user's location (it doesn't necessarily have to be a desktop computer). The quality of a paper can be evaluated on the basis of its complexity, response time and total cost. So that the quality measurement process consumes too much time. There are a number of models already introduced for measuring software quality based on its attributes. Such measurements help developer to improve software in next development. Such models also helps in reducing cost and time in next development. The main characteristics of the cloud models have covered in this paper
Comparative Study of Boundary Detection Algorithm Techniques with Positive and Negative Details
there are many popular features of image edge but as per the records image edge is most popular amongst it. For connecting two different types of regions image edge is used. Edge detection helps in reducing the data consumption; it also distinguishes between image or data which is important and needed and the one which is a waste during the process of handling the important structural properties in an image. With the help of MATLAB software it is developed. As per research and studies we come to know that Canny?s edge detection algorithm performs better than all operators. The images under noisy situations like Canny, LoG( Laplacian of Gaussian), Robert, Prewitt, Sobel doing well respectively. With the help of comparison it can be found that Canny?s edge detection algorithm is more expensive compared to LoG( Laplacian of Gaussian), Sobel, Prewitt and Robert?s operator
A Survey on Challenges of G-Cloud and Cloud Computing
Today Gclound is a very common term and is a kind of Internet-based computing, where shared storage, data and information are provided to computers and other devices on-demand. It is a model for enabling ubiquitous, on-demand access to a shared pool of configurable computing resources. In today’s life hardware technologies and network bandwidth are developing continuously it result in the development of the internet. For achieving the high reliability we can use low power hosts by using a new concept called cloud computing. But there are many challenges in cloud computing filed also. Cloud computing is an internet based development filed in which virtual resources are used and it is dynamically scalable. In this paper we focus on the various challenges occurred in cloud computing
Correlation of the South Pole 94 data with 100µm and 408 MHz maps
We present a correlation between the ACME/SP94 CMB anisotropy data at 25 to 45 GHz with the IRAS/DIRBE data and the Haslam 408 MHz data. We find a marginal correlation between the dust and the Q-band CMB data but none between the CMB data and the Haslam map. While the amplitude of the correlation with the dust is larger than that expected from naive models of dust emission, it does not dominate the sky emission
Packaging Technology for Export of Jasmine (Jasminum sambac Ait.) Flowers
A study was conducted to standardize packaging technology for export of jasmine flowers. Experiments were laid out in FCRD in three replications, with 12 chemical treatments, and packing with unit packing boxes and thermocol boxes under gel-ice cold condition. Effects of various chemical treatments and their interaction with packaging were studied and observations were recorded on visual quality (freshness index, flower-opening index, colour retention index and fragrance score) of flowers and physiological parameters associated with post harvest quality of flowers. Export suitability of the package was also studied and Cost:Benefit ratio (CBR) worked out. Chemical treatment of flowers with 4% boric acid, packing in aluminum-foil lined boxes and further packaging in thermocol boxes under gel-ice cold condition was found to be significantly superior to Control, and recorded a shelf life of 42.88h. This package also recorded maximum freshness index (70 to 90%), minimum flower-opening index (10.5 to 50%) and maximum colour retention index (77.77 to 88.88%) of flowers. CBR was 1:2.5
Standardization for Drying, Bleaching and Dyeing Processes in Dried Flowers
An experiment was conducted at Tamil Nadu Agricultural University, Coimbatore, during 2009-2010 to standardize processing techniques for dried flower production. Foliage of silver oak (Grevillea robusta), thuja (Thuja orientalis) and camellia (Camellia reticulata) was best preserved by glycerinization; leaves were soft and pliable, with lowest moisture and highest overall acceptability. In the case of fully-opened flowers in button-type chrysanthemum (Chrysanthemum grandiflorum), gerbera (Gerbera jamesonii) and plumeria (Plumeria alba), a combination of sand and silica gel, and microwave-oven embedded method was found to be suitable for drying, with high overall acceptability. Dried pods of jacaranda (Jacaranda mimosifolia) and castanospermum (Castanospermum australe) were fully bleached by soaking overnight in 10% sodium hydroxide and subsequent treatment with 2% sodium hydroxide + 2.5% sodium silicate + 35% hydrogen peroxide. Bleached pods were given dye treatments where acrylic dyes showed good dyeing consistency, light fastness, wash fastness and rubbing fastness
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