Results 71 to 80 of about 173,595 (100)

A Fractal Characteristics Analysis of the Pore Throat Structure in Low-Permeability Sandstone Reservoirs: A Case Study of the Yanchang Formation, Southeast Ordos Basin

Fractal and Fractional
In the Southeastern Ordos Basin, the Chang 2 low-permeability sandstone reservoir of the Triassic Yanchang Formation is a typical heterogeneous reservoir.
Huanmeng Zhang, Xiaojun Li, Junfeng Liu, Yiping Wang, Ling Guo, Zhiyu Wu, Yafei Tian   +6 more
semanticscholar   +1 more source

Fish-Tail Structured Fractal Monopole Printed Antenna with Dual Broadband Characteristics for Sub–6GHz 5G and X–Band Radar Applications

Fractal and Fractional
This article presents a printed antenna, designed with a fractal-shaped patch with fish-tail structured outer edges, a tapered feedline, and a rectangular notch-based defected partial ground structure (DPGS). The presented design has been printed on a FR-
G. Yaminisasi, P. Pardhasaradhi, Nagandla Prasad, B. Madhav, A. Algarni, Sudipta Das, M. El Ghzaoui   +6 more
semanticscholar   +1 more source

Sedimentary Paleo-Environment and Reservoir Heterogeneity of Shale Revealed by Fractal Analysis in the Inter-Platform Basin: A Case Study of Permian Shale from Outcrop of Nanpanjiang Basin

Fractal and Fractional
The Upper Permian marine shale of the inter-platform basin in the Nanpanjiang Basin are rich in organic matter, widely distributed, and relatively thick, indicating abundant resource potential for hydrocarbon exploration.
Meng Wang, Xinan Yu, Shu Liu, Yulin Cheng, Jingjing Guo, Zhanlei Wang, Xingming Duan   +6 more
semanticscholar   +1 more source

The Fractal Dimension, Structure Characteristics, and Damage Effects of Multi-Scale Cracks on Sandstone Under Triaxial Compression

Fractal and Fractional
To study the influence of the spatial distribution and structure of multi-scale cracks on the mechanical behavior of rocks, triaxial compression tests and cyclic triaxial complete loading and unloading tests were conducted on sandstone, with real-time ...
Pengjin Yang, Shengjun Miao, Kesheng Li, Xiangfan Shang, Pengliang Li, Meifeng Cai   +5 more
semanticscholar   +1 more source

Evolution of Pore Structure and Fractal Characteristics in Transitional Shale Reservoirs: Case Study of Shanxi Formation, Eastern Ordos Basin

Fractal and Fractional
The fractal dimension quantitatively describes the complexity of the shale pore structure and serves as a powerful tool for characterizing the evolution of shale reservoirs.
Yifan Gu, Xu Wu, Yuqiang Jiang, Quanzhong Guan, Dazhong Dong, Hongzhan Zhuang   +5 more
semanticscholar   +1 more source

Fractal Characterization of a Multi-Scale Pore Structure in Ultra-Deep Coal Seams

Fractal and Fractional
The pore–fracture structure of ultra-deep coal is critical for evaluating resource potential and guiding the exploration and development of deep coalbed methane (CBM). In this study, a coal sample was obtained from the Gaogu-4 well at a depth of 4369.4 m
Yanwei Qu, Feng Chen, Lulu Ma, Peiwen Jiang, Bing Li, Jiangang Ren, Runsheng Lv, Gaofeng Liu, Zhimin Song, Ping Chang, George Barakos   +10 more
semanticscholar   +1 more source

Dynamic Failure Mechanism and Fractal Features of Fractured Rocks Under Quasi-Triaxial Static Pressures and Repeated Impact Loading

Fractal and Fractional
Mastering the dynamic mechanical behaviors of pre-stressed fractured rocks under repeated impact loads is crucial for safety management in rock engineering. To achieve this, repeated impact loading experiments were performed on produced fractured samples
Peng Li, Yan Liu, Jie Zhang, Zhihong Dong, Xinghui Wu, Shengjun Miao, Meifeng Cai   +6 more
semanticscholar   +1 more source

Pore Evolution and Fractal Characteristics of Marine Shale: A Case Study of the Silurian Longmaxi Formation Shale in the Sichuan Basin

Fractal and Fractional
The Silurian marine shale in the Sichuan Basin is currently the main reservoir for shale gas reserves and production in China. This study investigates the reservoir evolution of the Silurian marine shale based on fractal dimension, quantifying the ...
Hongzhan Zhuang, Yuqiang Jiang, Quanzhong Guan, Xingping Yin, Yifan Gu   +4 more
semanticscholar   +1 more source

Quantitative Fractal Analysis of Fracture Mechanics and Damage Evolution in Recycled Aggregate Concrete Beams: Investigation of Dosage-Dependent Mechanical Response Under Incremental Load

Fractal and Fractional
This study investigated the fracture behavior of concrete beams with recycled coarse aggregate (RCA) and recycled fine aggregate (RFA) using the box-counting method to measure crack fractal dimensions under load.
Xiucheng Zhang, Xuefei Chen
semanticscholar   +1 more source

Effects of Scale Parameters and Counting Origins on Box-Counting Fractal Dimension and Engineering Application in Concrete Beam Crack Analysis

Fractal and Fractional
Fractal theory provides a powerful tool for quantifying complex geometric patterns such as concrete cracks. The box-counting method is widely employed for fractal dimension (FD) calculation due to its intuitive principles and compatibility with image ...
Junfeng Wang, Gan Yang, Yangguang Yuan, Jianpeng Sun, Guangning Pu   +4 more
semanticscholar   +1 more source