Scientific Research Publishing

Computational Analysis of Incompressible Pipe Flow in Sudan: Numerical Method Comparison and Navier-Stokes Validation ()

1 Department of Basic Science and Engineering, Faculty of Engineering, University of Khartoum, Khartoum, Sudan. 2 Department of Applied Mathematics, Faculty of Mathematical Sciences, University of ...
SciELO

Application of the Finite-Difference Frequency-Domain (FDFD) method on radiowave propagation in urban environments

In this work a Finite-Difference Frequency-Domain (FDFD) propagation method for complex urban environments is proposed. The formulation starts from the discretization of the Helmholtz equation for the ...
IEEE

A conjugate gradient method for solving unconstrained optimization problems

Abstract: For the conjugate gradient method to solve the unconstrained optimization problem, given a new interval method to obtain the direction parameters, and a new conjugate gradient algorithm is ...
Frontiers

An efficient spectral element method for two-dimensional magnetotelluric modeling

We introduce a new efficient spectral element approach to solve the two-dimensional magnetotelluric forward problem based on Gauss–Lobatto–Legendre polynomials. It combines the high accuracy of the ...
Frontiers

Resolution enhancement of 2D controlled-source electromagnetic images by use of point-spread function inversion

The marine controlled-source electromagnetic technique is employed both in large-scale geophysical applications as well as within the exploration of hydrocarbons and gas hydrates. Because of the ...
Nature

Artificial neural network model with different backpropagation algorithms and meteorological data for solar radiation prediction

Solar energy serves as a great alternative to fossil fuels as they are clean and renewable energy. Accurate solar radiation (SR) prediction can substantially lower down the impact cost pertaining to ...
IEEE

A Comparative Performance Analysis of ANN Algorithms for MPPT Energy Harvesting in Solar PV System

Abstract: In this paper, artificial neural network (ANN) based Levenberg-Marquardt (LM), Bayesian Regularization (BR) and Scaled Conjugate Gradient (SCG) algorithms are deployed in maximum power point ...
eLife

Shape-invariant encoding of dynamic primate facial expressions in human perception

Dynamic facial expressions are crucial for communication in primates. Due to the difficulty to control shape and dynamics of facial expressions across species, it is unknown how species-specific ...
snmjournals.org

What You See Is Not What You Get: On the Accuracy of Voxel-Based Dosimetry in Molecular Radiotherapy

Improvements in quantitative SPECT/CT have aroused growing interest in voxel-based dosimetry for radionuclide therapies, because it promises visualization of absorbed doses at a voxel level. In this ...
Scientific Research Publishing

An Efficient Projected Gradient Method for Convex Constrained Monotone Equations with Applications in Compressive Sensing ()

In this paper, a modified Polak-Ribière-Polyak conjugate gradient projection method is proposed for solving large scale nonlinear convex constrained monotone equations based on the projection method ...
Nature

Predicting postoperative facial swelling following impacted mandibular third molars extraction by using artificial neural networks evaluation

Patients’ postoperative facial swelling following third molars extraction may have both biological impacts and social impacts. The purpose of this study was to evaluate the accuracy of artificial ...