PSYCHOLOGICAL AND PHYSIOLOGICAL EFFECTS OF INTEGRATING BUILDING ENVELOPES WITH PARAMETRIC PATTERNS IN OFFICE WORKERS

The building envelope has become an active element that allows the building to interact with the context of the surrounding environment. The integration of the envelope with architectural design patterns significantly affects the efficiency of the working environment space in the office buildings, where the resulting effect of this integration plays an important role in providing daylighting, visibility and view; which affects the comfort, performance and productivity of users in an office space. This research study aims to identify the physiological and psychological effects on office employees resulting from the integration of the building envelope and openings with one of the most important trends of contemporary architectural design and these are the parametric architecture and parametric patterns. The research sample includes 25 adult office workers (13 men and 12 women) of average age 34.5 ± 9.3years. Skin Conductance (SC) and Heart Rate (HR), were measured to assess physiological responses. Self-Assessment Manikin (SAM) and Short Form State-Trait Anxiety Inventory (SF- STAI) were used to determine psychological responses. The results showed a significant decrease in the mean heart rate values under Repetition and Recursion Pattern (FRA), and a significant decrease in the mean rate of Skin Conductance (SC) response under Repetition and Recursion Pattern (FRA) and Tiling and Subdivision Pattern (VOR) compared to the Baseline model. The study concluded that the influence of the parametric model to the state of valence and calm and reducing the negative feelings and anxiety situation of Office Workers compared to the Baseline model

Some random fixed point results using implicit relation in Hilbert spaces

In this paper, we obtain a common random fixed point theorem for six random operators satisfying an implicit relation and defined on a nonempty closed subset of a separable Hilbert space. Our results extend and generalizes the corresponding results in the lectures

3D Camouflaging Object using RGB-D Sensors

This paper proposes a new optical camouflage system that uses RGB-D cameras, for acquiring point cloud of background scene, and tracking observers eyes. This system enables a user to conceal an object located behind a display that surrounded by 3D objects. If we considered here the tracked point of observer s eyes is a light source, the system will work on estimating shadow shape of the display device that falls on the objects in background. The system uses the 3d observer s eyes and the locations of display corners to predict their shadow points which have nearest neighbors in the constructed point cloud of background scene.Comment: 6 pages, 12 figures, 2017 IEEE International Conference on SM

Common fixed points of Greguš type multi-valued mappings

summary:This work is considered as a continuation of [19,20,24]. The concepts of $\delta$-compatibility and sub-compatibility of Li-Shan [19, 20] between a set-valued mapping and a single-valued mapping are used to establish some common fixed point theorems of Greguš type under a $\phi$-type contraction on convex metric spaces. Extensions of known results, especially theorems by Fisher and Sessa [11] (Theorem B below) and Jungck [16] are thereby obtained. An example is given to support our extension

Comparison between Numerical, Analytical, and Field Solutions with Experimental Data for 90º Open Channel Junctions

Junction in open channel flow points out any side water secession from natural or artificial channels. In the last decades, comprehensive theoretical and experimental investigations on the dividing flow in open channel junctions have been executed to understand the characteristics of this separating flow. In this research, a three-dimensional turbulence model by fluent software used to replicate the flow characteristics of a 90º open channel junctions for two geometries. One is with equal width and horizontal bed and the other is field canal junction with irregular section. The modeling is based on the Navier-Stokes equation and κ-ω turbulent model. Comparing prepared to the numerical solution, the analytical model and the field works with published experimental data. The comparison showed that the numerical solution gave good agreements with maximum discrepancy 1.620% for rectangular sections and 0.718% for irregular sections than the published experimental data. The analytical solution gave a large error than numerical with a maximum discrepancy of 2.95% for the rectangular section and 11.485% for irregular sections than the published experimental data. A proposed relation between discharge ratio with upstream Froude number and depth ratio for the irregular section is suggested. The proposed equation has a maximum discrepancy equal to 0.433% with reference to the field data recorded

A Coupled Random Fixed Point Result With Application in Polish Spaces

In this paper, we present a new concept of random contraction and prove a coupled random fixed point theorem under this condition which generalizes stochastic Banach contraction principle. Finally, we apply our contraction to obtain a solution of random nonlinear integral equations and we present a numerical example

Stability and Existence of Solutions for a Tripled Problem of Fractional Hybrid Delay Differential Equations

The purpose of this paper is to determine the existence of tripled fixed point results for the tripled symmetry system of fractional hybrid delay differential equations. We obtain results which support the existence of at least one solution to our system by applying hybrid fixed point theory. Similar types of stability analysis are presented, including Ulam–Hyers, generalized Ulam–Hyers, Ulam–Hyers–Rassias, and generalized Ulam–Hyers–Rassias. The necessary stipulations for obtaining the solution to our proposed problem are established. Finally, we provide a non-trivial illustrative example to support and enhance our analysis.This work was supported in part by the Basque Government under Grant IT1555-22

Improved methods for UHF localization of partial discharge in air-insulated substations

A time-difference-of-arrival-based partial discharge (PD) location system that utilises prior knowledge of substation layout is presented. We propose a new time delay estimator that employs onset detection techniques and demonstrate, through experimental results, that it is at least 2.8 times more accurate than other conventional estimators. Using knowledge of a substation’s layout, we develop a minimum mean-square-error (MMSE)-based location estimator and an algorithm that optimises antenna placement to maximise location accuracy in regions occupied by high-voltage equipment. Simulation results show that a system that uses the proposed techniques is 5.9 times more accurate than a more conventional system in a high-noise environment

Modelling of cardiac hemodynamics: A case study

AbstractObservations made on patients under cardiac catheterization are used to develop validated models for the heart cavities and the main blood vessels, treating them as compartments of the cardiac system. The algorithm utilizes realistic nonlinear formulations and the least squares techniques for optimal parameter estimation. A comprehensive investigation made for modelling of the hemodynamics of one of the compartments is reported as a case study. The modelling procedure is broad-based in character, and may be used advantageously as an aid in the diagnosis of heart diseases