Showing 321 - 340 results of 486 for search '"fractal"', query time: 0.04s Refine Results
  1. 321

    Human development I: Twenty Fundamental Problems of Biology, Medicine, and Neuro-Psychology Related to Biological Information by Tyge Dahl Hermansen, Søren Ventegodt, Erik Rald, Birgitte Clausen, Maj Lyck Nielsen, Joav Merrick

    Published 2006-01-01
    “…The problems discussed are interpreted within the frames of a universe of roomy fractal structures containing energetic patterns that are able to deliver biological information. …”
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  2. 322

    Different influences of Mo and Mo2C additions on microstructure and properties of TiC-based cermets by Xiao-Dong Kang, Guo-Hua Zhang, Kuo-Chih Chou

    Published 2025-03-01
    “…The complexity of fracture morphology was quantified via the fractal dimension. Sintered samples with simpler fracture morphologies had smaller fractal dimensions, whereas those with more intricate surface features exhibited larger fractal dimensions, reflecting complex fracture mechanisms and higher TRS.…”
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  3. 323

    Study of Simulation Test in Inclusion Rockburst by Zhidong Wang, Liyun Li, Bingquan Liu, Chuang Han, Tianxiang Lan

    Published 2019-01-01
    “…The inclusions have cementation, and the better the cementation, the greater the stress loading required in the failure, the greater the energy accumulated, the more severe the failure, and the higher the fractal dimension of the fragments. The larger the angle of the inclusion tip, the greater the stress loading in failure; the greater the change of the u and v displacements, the more the displacement of the inclusions changed; and the more the energy accumulated, the higher the fractal dimension of the fragment. …”
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  4. 324

    Regulation Mechanism of Spatial Capacity of Tourist Resources in Scenic Spots Based on Internet of Things Technology by Xiaona Xie, Wenliang Zhang

    Published 2021-01-01
    “…Based on the Internet of Things technology, the spatial capacity control platform of tourist resources in scenic spots built in this paper can realize the structure analysis of peak forest of tourist flow in scenic spots and the fractal and fractal dimension analysis of tourist flow and determine the spatial and temporal threshold of tourist flow control in tourist destinations. …”
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  5. 325

    Underwater Acoustic Image Encoding Based on Interest Region and Correlation Coefficient by Liu Lixin, Guo Feng, Wu Jinqiu

    Published 2018-01-01
    “…It is difficult for the conventional image compression method to achieve good compression effect in the underwater acoustic image (UWAI), because the UWAI has large amount of noise and low correlation between pixel points. In this paper, fractal coding is introduced into UWAI compression, and a fractal coding algorithm based on interest region is proposed according to the importance of different regions in the image. …”
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  6. 326

    Characterization of Composite RFID Antennas Based on Thermal Properties: A Survey by Chitra Varadhan, Fekadu Ashine Chamatu, S. Arulselvi

    Published 2021-01-01
    “…The effect of the polymer matrix composite (PMC) material on the antenna parameters such as gain, bandwidth, and return loss is analyzed and realized that improvement in bandwidth and perfection in impedance matching can be further accomplished by employing fractal structure. It is also discovered that the thermal properties affect the impedance and operating frequencies, thus enabling multilayer PMC deploying fractal structured RFID antennas to be used for many applications such as logistics, aerospace, biomedical, and mining.…”
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  7. 327

    Solvability of Nonlinear Langevin Equation Involving Two Fractional Orders with Dirichlet Boundary Conditions by Bashir Ahmad, Juan J. Nieto

    Published 2010-01-01
    “…In order to overcome this problem and describe dynamical processes in a fractal medium, numerous generalizations of Langevin equation have been proposed. …”
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  8. 328

    Laboratory and Centrifuge Model Tests on Influence of Swelling Rock with Drying-Wetting Cycles on Stability of Canal Slope by Chen Zhang, Zheng-yin Cai, Ying-hao Huang, Hao Chen

    Published 2018-01-01
    “…By using image-processing technique, the crack patterns were described, and then quantitatively analyzed on the basis of the fractal dimension. The experimental data indicated that swelling ability, including cracking level, fractal dimension, and strength, decrease with increasing drying and wetting cycle. …”
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  9. 329

    Strain Rate Dependent Ductile-to-Brittle Transition of Graphite Platelet Reinforced Vinyl Ester Nanocomposites by Brahmananda Pramanik, P. Raju Mantena

    Published 2014-01-01
    “…In previous research, the fractal dimensions of fractured surfaces of vinyl ester based nanocomposites were estimated applying classical method on 3D digital microscopic images. …”
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  10. 330

    Application of Vibration Signals for the Quantitative Analysis of the Optimal Threshold of Bearing Failure by YaoChi Tang, Kuohao Li

    Published 2021-01-01
    “…First, the time-domain signal of vibration was calculated through generalized fractal dimensions, and the relationship diagram of generalized fractal dimensions and time was obtained. …”
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  11. 331

    Construção de fractais usando o software GeoGebra by Teresinha Aparecida Faccio Padilha, Maria Madalena Dullius, Marli Teresinha Quartieri

    Published 2013-01-01
    “…De acordo com as análises feitas e tendo por base as respostas do questionário, a produção dos alunos e as observações registradas durante o desenvolvimento da intervenção pedagógica ficou evidenciado que: o trabalho contribuiu na obtenção de uma forma motivadora, interativa e viável da abordagem da Geometria Fractal; o software GeoGebra foi importante ferramenta de apoio na construção dos fractais; a Geometria Fractal é uma possibilidade interessante de associar a geometria e a álgebra numa proposta diferenciada de forma a contemplar as duas áreas de conhecimento. …”
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  12. 332

    Shale Heterogeneity in Western Hunan and Hubei: A Case Study from the Lower Silurian Longmaxi Formation in Well Laidi 1 in the Laifeng-Xianfeng Block, Hubei Province by Peng Zhang, Junwei Yang, Yuqi Huang, Jinchuan Zhang, Xuan Tang, Chengwei Liu

    Published 2022-01-01
    “…Based on the Frenkel-Halsey-Hill (FHH) model, the pore fractal dimension is studied to obtain the fractal dimension D1 (2.73-2.76, mean 2.74) under low relative pressure (P/P0≤0.5) and D2 (2.80-2.89, mean 2.85) under high relative pressure (P/P0>0.5). …”
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  13. 333

    Investigation on the Creep Failure Mechanism of Sandy Mudstone Based on Micromesoscopic Mechanics by Xinshuai Shi, Hongwen Jing, Weiqiang Chen, Yuan Gao, Zhenlong Zhao

    Published 2021-01-01
    “…It was also found by the fractal analysis of the SEM microscopic images that the fractal dimensions of the creep failure specimens were larger than those of the uniaxial compression failure, indicating that the creep damage increased the irregularity and a larger degree of roughness fluctuation. …”
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  14. 334

    Further Analysis of Non-Gaussian Wind Pressure Peak Factor Calculation by Tao Ye, Ledong Zhu, Zhongxu Tan, Lanlan Li

    Published 2021-01-01
    “…Based on the basic theory of fractal, the R/S analysis of wind pressure time series is made, and the fractal characteristics of wind pressure coefficient time series are explained. …”
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  15. 335

    Porous Blasting Morphology and Resistivity Response Characteristics of Soft Coal Seam by Wenwang Yang, Sanlin He, Taotao Zhao, Chenying Ge

    Published 2022-01-01
    “…When single-hole blasting is performed, S < 0, the fractal dimension change rate of coal seam crack is only 5%, the control area presents a compaction phenomenon, and the resistivity decreases by about 20%. …”
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  16. 336

    Relative Permeability of Porous Media with Nonuniform Pores by He Chen, Minghui Yang, Ke Chen, Chao Zhang

    Published 2020-01-01
    “…Moreover, the index factor can be captured by a newly defined parameter, called the nonuniformity factor, which is used to establish an extended Darcy’s law. Based on these, a fractal-based continuous analytical model and a fractal-based Monte Carlo model of relative permeability as well as a permeability-porosity model are established. …”
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  17. 337

    Exponential Attractor for a First-Order Dissipative Lattice Dynamical System by Xiaoming Fan

    Published 2008-01-01
    “…We construct an exponential attractor for a first-order dissipative lattice dynamical system arising from spatial discretization of reaction-diffusion equations in ℝ𝑘. And we obtain fractal dimension of the exponential attractor.…”
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  18. 338

    An Analysis of the Allometric and Multifractal Features of a Development in the Urban-Rural Area in the Lower Reaches of the Yangtze River: 2012 Cross-Sectional Data of Four Provin... by Zhi-jun Song, Yi Chen, Yun Li, Xin Zhao

    Published 2020-01-01
    “…This paper adopts the fitting function and the relevant parameters of the fractal dimension to quantify the evolution in particular fields. …”
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  19. 339

    Experimental Study on the Effect of Coarse Grain Content on the Dilatancy and Particle Breakage Characteristics of Coarse-Grained Soils by Jun Du, Zhiming Xiong, Xinggang Shen, Chenchen Li

    Published 2023-01-01
    “…The coarse-grained soil particle size distribution before and after breakage conformed to the fractal characteristics, and the particle breakage rate increased significantly with larger soil particle size fractal dimension differences before and after the test. …”
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  20. 340

    Evaporative Cracking Characteristics of the Embankment Soil Affected by the Saline Concentration by Jiawei Liu, Yingzhi Xia, Hui Li, Guoping Hu, Mingming Hu

    Published 2022-01-01
    “…The fractal dimension was gradually increased with the decrease of the moisture content and the increase of the saline concentration, respectively. …”
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