Evaluating fractal behavior in groundwater level fluctuations time series
GR Rakhshandehroo, SM Amiri - Journal of hydrology, 2012 - Elsevier
In this study, fractal and multifractal self-affinity in two datasets (d1 and d2) of groundwater
level fluctuations time series, each having more than 2000 data points, were evaluated …
level fluctuations time series, each having more than 2000 data points, were evaluated …
Prediction method for permeability of porous media with tortuosity effect based on an intermingled fractal units model
ZL Chen, NT Wang, L Sun, XH Tan, S Deng - International Journal of …, 2017 - Elsevier
The porous media theory has widely been applied to describe the mechanical behaviors of
various materials such as soils, rocks, wood, bones, or industrial foams (Nguyen, Rohan, & …
various materials such as soils, rocks, wood, bones, or industrial foams (Nguyen, Rohan, & …
Permeability correlation with porosity and Knudsen number for rarefied gas flow in Sierpinski carpets
H Rostamzadeh, MR Salimi, M Taeibi-Rahni - Journal of Natural Gas …, 2018 - Elsevier
In recent years, application of porous media is highlighted among researchers due to their
wide range of usability in micro-scale problems, such as gas reservoirs, micro-filtering, heat …
wide range of usability in micro-scale problems, such as gas reservoirs, micro-filtering, heat …
Fractal dimensions of hydraulic parameters in sand mined alluvial channel
Long-term extraction of sand from a river causes large mining pit on the river bed, and these
pits change their fluvial processes. In this paper, an experimental study is executed to …
pits change their fluvial processes. In this paper, an experimental study is executed to …
Does turbulence show fractal structure within a dynamic undercut of an alluvial riverbank?
Abstract Characterization of the processes associated with riverbank erosion is crucial for
predicting bankline retreatment and river-form migration. The present study examined the …
predicting bankline retreatment and river-form migration. The present study examined the …
The robust fractal analysis of time series: concerning signal class and data length
MH Fattahi, N Talebbeydokhti, GR Rakhshandehroo… - Fractals, 2011 - World Scientific
In the present paper, the influence of the signal class (fBm/fGn) and the data length of time
series on choosing the robust fractal analysis method have been studied. More than 1000 …
series on choosing the robust fractal analysis method have been studied. More than 1000 …
Emd-rbfnn coupling prediction model of complex regional groundwater depth series: a case study of the jiansanjiang administration of heilongjiang land reclamation …
The accurate and reliable prediction of groundwater depth is the basis of the sustainable
utilization of regional groundwater resources. However, the complexity of the prediction has …
utilization of regional groundwater resources. However, the complexity of the prediction has …
[HTML][HTML] Enhancing PIV image and fractal descriptor for velocity and shear stresses propagation around a circular pier
A Keshavarzi, J Ball - Geoscience Frontiers, 2017 - Elsevier
In this study, the fractal dimensions of velocity fluctuations and the Reynolds shear stresses
propagation for flow around a circular bridge pier are presented. In the study reported …
propagation for flow around a circular bridge pier are presented. In the study reported …
Wavelet analysis of the complex precipitation series in the Northern Jiansanjiang Administration of the Heilongjiang land reclamation, China
Due to interference from natural factors and the intensity of human activities, the complex
characteristics of the regional precipitation process have become increasingly evident …
characteristics of the regional precipitation process have become increasingly evident …