Results 21 to 30 of about 183,243 (204)

A Numerical Investigation of a Single-Shot in a DEM-FEM Approach to Shot Peening Simulation

open access: yesMetals, 2019
Shot peening (SP) is a controlled and systematic process of surface treatment that has a large number of controllable process parameters that make its application highly challenging. It involves the shooting of small and hard metallic balls at a targeted
Aghogho Bright Edward   +2 more
doaj   +1 more source

An Integrated Risk-Informed Multicriteria Approach for Determining Optimal Inspection Periods for Protective Sensors

open access: yesSensors
Equipment failure is the leading cause of industrial operational disruption, with unplanned downtime accounting for up to 11% of manufacturing revenue, highlighting the need for effective proactive maintenance strategies, such as protective sensors that ...
Ricardo J. G. Mateus   +5 more
doaj   +1 more source

An Examination of Herd Behavior in The Indonesian Stock Market

open access: yesIndonesian Capital Market Review, 2012
We examine herd behavior in Indonesian Stock Exchange, using daily and weekly stocks returnfrom 2007 until 2010. We employ the cross sectional standard deviation of returns (CSSD) methodologydeveloped by Christie and Huang (1995) and cross sectional ...
Adi Vithara Purba   +1 more
doaj   +1 more source

Hierarchical Structure Estimation of Financial Networks and Sentiment Analysis of Financial News Headlines

open access: yesIEEE Access
In financial markets, there have been several crises, and it is often suggested that early signs of these crises can be observed in market structures before they fully emerge.
Naijia Liu   +5 more
doaj   +1 more source

Relationally Integrated Value Networks for Total Asset Management in Project Portfolios

open access: yes, 2020
Relationally integrated value networks for total asset management (Rivans-Tam) have been recommended by scholars as a vehicle to integrate the stakeholders of project management (PM) and of asset management (Am), covering the entire life cycle of a built
MADHUSANKA, N   +3 more
core   +1 more source

Survey on the use of BIM methodology for railway 3D modeling

open access: yesDiscover Applied Sciences
This article explores the development of Augmented Reality (AR) models for railway projects, as illustrated in Fig. 1, with particular emphasis on interoperability between different systems and platforms.
Ana Malta   +3 more
doaj   +1 more source

Verifying hyperparameter sensitivities of optimal filter design methods for fault signature enhancement

open access: yesMechanics & Industry
Optimal filters are designed in vibration-based condition monitoring to enhance weak fault signatures for improved diagnosis. While optimisation-based filter design approaches have matured, their validation has typically focused on final objective values
Schmidt Stephan   +3 more
doaj   +1 more source

Application of text mining in analysing road crashes for road asset management\ud

open access: yes, 2009
Traffic safety is a major concern world-wide. It is in both the sociological and economic interests of society that\ud attempts should be made to identify the major and multiple contributory factors to those road crashes.
Noppadol Piyatrapoomi   +5 more
core   +1 more source

Algorithmic portfolio tilting to harvest higher moment gains

open access: yesHeliyon, 2020
Many financial portfolios are not mean-variance-skewness-kurtosis efficient. We recommend tilting these portfolios in a direction that increases their estimated mean and third central moment and decreases their variance and fourth central moment.
Kris Boudt   +3 more
doaj   +1 more source

Urban Heat Risk: Protocols for Mapping and Implications for Colombo, Sri Lanka

open access: yesAtmosphere, 2023
Global and urban-induced local warming lead to increasing heat risk in cities. The rapid increase in urban population, weak infrastructure, poverty, as well as an ageing population, make the risk more acute in developing cities. However, heat risk is not
Rohinton Emmanuel   +6 more
doaj   +1 more source

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