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2,717 Results Found

  • Review
  • Open Access
21 Citations
7,384 Views
16 Pages

13 April 2023

Naturally fractured reservoirs are indescribable systems to characterize and difficult to produce and forecast. For the development of such reservoirs, the role of naturally forming fractures in the different development stages needs to be recognized...

  • Article
  • Open Access
2 Citations
1,534 Views
14 Pages

Characterization and Quantitative Assessment of Shale Fracture Characteristics and Fracability Based on a Three-Dimensional Digital Core

  • Le Qu,
  • Penghui Zhang,
  • Jianping Liu,
  • Weigang Zhang,
  • Yu Lei,
  • Xiaolei Zheng,
  • Zhenzhen Nian,
  • Kexiang Ning and
  • Jinze Xu

9 April 2024

At present, assessment techniques for the fracability of shale reservoirs, which rely on the formation of an effective fracture network, are scarce. Hence, in order to assess the fracability, it is critical to establish a quantitative correlation bet...

  • Article
  • Open Access
5 Citations
3,469 Views
22 Pages

21 July 2023

Current tests for plane stress characterization of fracture in automotive sheet metals include simple shear, uniaxial, plane strain, and biaxial tension, but there is a significant gap between shear and uniaxial tension. Presently, it remains uncerta...

  • Article
  • Open Access
2 Citations
1,685 Views
16 Pages

29 November 2023

A novel approach for the fracture characterization of soft adhesive materials using spiral cracking patterns is presented in this study. This research particularly focuses on hydrocarbon polymeric materials, such as asphalt binders. Ten different asp...

  • Article
  • Open Access
3 Citations
2,744 Views
7 Pages

27 August 2021

The application of braided composite materials in the automotive industry requires an in-depth understanding of the mechanical properties. To date, the intralaminar fracture toughness of braided composite materials, typically used for describing post...

  • Article
  • Open Access
43 Citations
5,322 Views
21 Pages

27 January 2022

The use of continuous fiber as reinforcement in polymer additive manufacturing technologies enhances the mechanical performance of the manufactured parts. This is the case of the Carbon-Fiber reinforced PolyAmide (CF/PA) used by the MarkForged MarkTw...

  • Article
  • Open Access
8 Citations
2,684 Views
19 Pages

17 August 2021

Acoustic emission (AE) technology is widely used in structural health monitoring. Glass sand (GS) made from waste glass is a promising replacement aggregate for quartz sand (QS) in ultra-high performance concrete (UHPC). This paper addresses the effe...

  • Article
  • Open Access
25 Citations
5,000 Views
28 Pages

In the basement fractured reservoirs, geometric parameters of fractures constitute the main properties for modeling and prediction of reservoir behavior and then fluid flow. This study aims to propose geometric description and quantify the multiscale...

  • Article
  • Open Access
2 Citations
1,895 Views
23 Pages

Development of a Unified Specimen for Adhesive Characterization—Part 2: Experimental Study on the Mode I (mDCB) and II (ELS) Fracture Components

  • Daniel S. Correia,
  • Inês D. Costa,
  • Eduardo A. S. Marques,
  • Ricardo J. C. Carbas and
  • Lucas F. M. da Silva

24 February 2024

Adhesive bonding has been increasingly employed in multiple industrial applications. This has led to a large industrial demand for faster, simpler, and cheaper characterization methods that allow engineers to predict the mechanical behavior of an adh...

  • Article
  • Open Access
16 Citations
6,733 Views
26 Pages

1 February 2018

In this paper, we characterized the natural fracture systems and inferred the state of in situ stress field through an integrated study in a very complex and heterogeneous fractured carbonate reservoir. Relative magnitudes and orientations of the in-...

  • Article
  • Open Access
37 Citations
4,900 Views
17 Pages

Characterization and Prediction of Complex Natural Fractures in the Tight Conglomerate Reservoirs: A Fractal Method

  • Lei Gong,
  • Xiaofei Fu,
  • Shuai Gao,
  • Peiqiang Zhao,
  • Qingyong Luo,
  • Lianbo Zeng,
  • Wenting Yue,
  • Benjian Zhang and
  • Bo Liu

2 September 2018

Using the conventional fracture parameters is difficult to characterize and predict the complex natural fractures in the tight conglomerate reservoirs. In order to quantify the fracture behaviors, a fractal method was presented in this work. Firstly,...

  • Article
  • Open Access
9 Citations
3,955 Views
17 Pages

3D Quantitative Characterization of Fractures and Cavities in Digital Outcrop Texture Model Based on Lidar

  • Bo Liang,
  • Yuangang Liu,
  • Yanlin Shao,
  • Qing Wang,
  • Naidan Zhang and
  • Shaohua Li

22 February 2022

The combination of lidar and digital photography provides a new technology for creating a high-resolution 3D digital outcrop model. The digital outcrop model can accurately and conveniently depict the surface 3D properties of an outcrop profile, maki...

  • Article
  • Open Access
1 Citations
702 Views
21 Pages

15 August 2025

To address the difficulty in the characterization of the geomechanical properties of reservoirs in petroleum engineering using the traditional formula, due to the complexity of the reservoir, this study proposes a framework of inverse analysis to cha...

  • Article
  • Open Access
1 Citations
2,910 Views
20 Pages

29 November 2021

Additive manufacturing technologies are essential in biomedical modeling and prototyping. Polymer-based bone models are widely used in simulating surgical interventions and procedures. Distal forearm fractures are the most common pediatric fractures,...

  • Article
  • Open Access
1 Citations
922 Views
19 Pages

27 March 2025

Accurate characterization of fracture roughness is critical for modeling groundwater flow and solute transport in fractured rock aquifers, where subsurface heterogeneity significantly impacts contaminant migration and water resource management. This...

  • Article
  • Open Access
10 Citations
2,289 Views
15 Pages

16 September 2022

Characterization of stress-dependent single-phase and multiphase fluid transport in fractured geo-materials is essential for a wide range of applications, including CO2 sequestration, energy storage, and geo-energy extraction. However, pivotal studie...

  • Article
  • Open Access
3 Citations
2,663 Views
17 Pages

Characterization of the Fracture Forming Limits by Radial Extrusion

  • Rui F. V. Sampaio,
  • João P. M. Pragana,
  • Ivo M. F. Bragança,
  • Carlos M. A. Silva,
  • Chris V. Nielsen and
  • Paulo A. F. Martins

This paper introduces a new formability test based on double-action radial extrusion to characterize material formability in the three-dimensional to plane-stress material flow transitions that are found in bulk metal-formed parts. The presentation d...

  • Article
  • Open Access
2,132 Views
16 Pages

Unconventional Fracture Networks Simulation and Shale Gas Production Prediction by Integration of Petrophysics, Geomechanics and Fracture Characterization

  • Wensong Huang,
  • Ping Wang,
  • Gang Hui,
  • Xiangwen Kong,
  • Yuepeng Jia,
  • Lei Huang,
  • Yufei Bai,
  • Zhiyang Pi,
  • Ye Li and
  • Yujie Zhang
  • + 2 authors

12 October 2024

The proficient application of multistage fracturing methods enhances the status of the Duvernay shale formation as a highly esteemed shale reservoir on a global scale. Nevertheless, the challenge is in accurately characterizing unconventional fractur...

  • Article
  • Open Access
16 Citations
6,007 Views
8 Pages

16 September 2019

Tensile fracture behavior of ceramic matrix composites (CMCs) was investigated using characterization tools. First, a high-speed infrared camera was used to monitor the surface temperature of the CMC specimen during mechanical testing. An infrared ca...

  • Article
  • Open Access
6 Citations
2,040 Views
23 Pages

9 October 2023

The tectonically deformed coal (TDC) reservoirs with abundant gas resources and low permeability are expected to become one of the target coal seams for carbon dioxide geological storage-enhanced coalbed methane recovery (CO2-ECBM). The pore–fr...

  • Article
  • Open Access
10 Citations
3,904 Views
40 Pages

4 November 2022

Reservoir simulation for unconventional reservoirs requires proper history matching (HM) to quantify the uncertainties of fracture properties and proper modeling methods to address complex fracture geometry. An integrated method, namely embedded disc...

  • Article
  • Open Access
1 Citations
3,000 Views
17 Pages

Experimental Characterization and Phase-Field Damage Modeling of Ductile Fracture in AISI 316L

  • Vladimir Dunić,
  • Nenad Gubeljak,
  • Miroslav Živković,
  • Vladimir Milovanović,
  • Darko Jagarinec and
  • Nenad Djordjevic

5 July 2024

(1) Modeling and characterization of ductile fracture in metals is still a challenging task in the field of computational mechanics. Experimental testing offers specific responses in the form of crack-mouth (CMOD) and crack-tip (CTOD) opening displac...

  • Article
  • Open Access
3 Citations
1,713 Views
21 Pages

Characterization of Bond Fracture in Discrete Groove Wear of Cageless Ball Bearings

  • Yanling Zhao,
  • Yuan Jin,
  • Chengyi Pan,
  • Chuanwang Wu,
  • Xueyu Yuan,
  • Gang Zhou and
  • Wenguang Han

27 September 2022

Cageless ball bearings with discrete grooves in the outer raceway enable the dispersion of rolling elements. Once worn, the discrete groove can cause the rolling element to discretely fail. This paper presents the discrete element method to investiga...

  • Review
  • Open Access
32 Citations
6,300 Views
47 Pages

Review on the Experimental Characterization of Fracture in Active Material for Lithium-Ion Batteries

  • Francesca Pistorio,
  • Davide Clerici,
  • Francesco Mocera and
  • Aurelio Somà

2 December 2022

Nowadays, lithium-ion batteries are one of the most widespread energy storage systems, being extensively employed in a large variety of applications. A significant effort has been made to develop advanced materials and manufacturing processes with th...

  • Article
  • Open Access
12 Citations
4,534 Views
12 Pages

25 January 2019

In situ nanoindentation experiments have been widely adopted to characterize material behaviors of microelectronic devices. This work introduces the latest developments of nanoindentation experiments in the characterization of nonlinear material prop...

  • Article
  • Open Access
9 Citations
3,014 Views
18 Pages

Fractured aquifers, especially dolomites, are important hydrocarbon reservoirs and sources of thermal and groundwater in many parts of the world, especially in the Alpine-Dinaric-Carpathian region. The most dominant porosity type is fracture porosity...

  • Article
  • Open Access
197 Views
25 Pages

27 January 2026

This study proposes a data-driven framework to predict the rock mass-specific fracture energy distributions using microstructural descriptors extracted from SEM-EDS automated characterization images. Ore textures were encoded through unsupervised k-m...

  • Article
  • Open Access
1 Citations
1,996 Views
15 Pages

29 November 2023

In the frame of a regional study that is aimed at defining the landslide susceptibility in the upper Susa Valley (Western Italian Alps), this paper investigated the variation in the fracture network of rock masses in correspondence to faults zones. F...

  • Article
  • Open Access
550 Views
17 Pages

Seismic Response Characteristics and Characterization Parameter Prediction of Thin Interbedded Coal Seam Fracture System

  • Kui Wu,
  • Yu Qi,
  • Sheng Zhang,
  • Feng He,
  • Silu Chen,
  • Yixin Yu,
  • Fei Gong and
  • Tingting Zhang

6 October 2025

Fracture systems critically govern coal seam permeability, influencing hydrocarbon migration pathways and well placement strategies. We established a predictive framework for fracture characterization in thin-interbedded coal reservoirs by integratin...

  • Article
  • Open Access
11 Citations
4,668 Views
33 Pages

17 December 2021

Scanlines constitute a robust method to better understand in 3D the fracture network variability in naturally fractured geothermal reservoirs. This study aims to characterize the spacing variability and the distribution of fracture patterns in a frac...

  • Article
  • Open Access
4 Citations
2,016 Views
12 Pages

Deformation and Fracture Characterization of an Mg-Sn-Ca Alloy Using 3D Processing Maps

  • Chenchen Zhi,
  • Zhenyu Wu,
  • Junyi Lei,
  • Zhiquan Huang,
  • Haijie Xv,
  • Yanchun Zhu,
  • Weitao Jia,
  • Pengtao Liu and
  • Lifeng Ma

24 March 2023

The deformation and fracture characterization of an Mg−2Sn−1Ca alloy were studied through uniaxial isothermal compression tests. The flow stress curves, the efficiency of power dissipation, the instability parameter and the fracture behav...

  • Article
  • Open Access
3 Citations
1,138 Views
20 Pages

Experimental Study of Confining Pressure-Induced Fracture Network for Shale Gas Reservoir Under Triaxial Compression Conditions

  • Jinxuan Han,
  • Ming Gao,
  • Yubo Wu,
  • Ali Raza,
  • Pei He,
  • Jianhui Li,
  • Yanjun Lu,
  • Manping Yang and
  • Hongjian Zhu

The experimental study of shale fracture development is very important. As a channel of permeability, a fracture has a great influence on the development of shale gas. This study presents the results of a fracture evaluation in the Silurian Longmaxi...

  • Review
  • Open Access
18 Citations
5,373 Views
20 Pages

Using Mini-CT Specimens for the Fracture Characterization of Ferritic Steels within the Ductile to Brittle Transition Range: A Review

  • Marcos Sánchez,
  • Sergio Cicero,
  • Mark Kirk,
  • Eberhard Altstadt,
  • William Server and
  • Masato Yamamoto

15 January 2023

The use of mini-CT specimens for the fracture characterization of structural steels is currently a topic of great interest from both scientific and technical points of view, mainly driven by the needs and requirements of the nuclear industry. In fact...

  • Article
  • Open Access
4 Citations
3,008 Views
23 Pages

17 August 2024

Fatigue and fracture prediction in composite materials using cohesive zone models depends on accurately characterizing the core and facesheet interface in advanced composite sandwich structures. This study investigates the use of machine learning alg...

  • Article
  • Open Access
9 Citations
3,412 Views
15 Pages

25 May 2023

This study investigates the influence of temperature and loading rate on the Mode I and Mode II interlaminar fracture behavior of carbon-nanotubes-enhanced carbon-fiber-reinforced polymer (CNT-CFRP). CNT-induced toughening of the epoxy matrix is char...

  • Article
  • Open Access
7 Citations
3,453 Views
20 Pages

15 September 2022

A numerical characterization of a fractured rock mass and its mechanical behavior using a discontinuum approach was carried out utilizing lattice-spring-based synthetic rock mass (LS-SRM) models. First, LS-SRM models on a laboratory scale were create...

  • Article
  • Open Access
285 Views
30 Pages

23 December 2025

A central challenge in tight fault-depression reservoirs is understanding how three-dimensional fracture structures control gas storage and flow. This study introduces a data-driven, geologically informed framework that integrates structural-mechanic...

  • Article
  • Open Access
50 Citations
6,887 Views
14 Pages

Mechanical Characterization of Dissolving Microneedles: Factors Affecting Physical Strength of Needles

  • Daisuke Ando,
  • Megumi Miyatsuji,
  • Hideyuki Sakoda,
  • Eiichi Yamamoto,
  • Tamaki Miyazaki,
  • Tatsuo Koide,
  • Yoji Sato and
  • Ken-ichi Izutsu

Dissolving microneedles (MNs) are novel transdermal drug delivery systems that can be painlessly self-administered. This study investigated the effects of experimental conditions on the mechanical characterization of dissolving MNs for quality evalua...

  • Article
  • Open Access
551 Views
14 Pages

Quantitatively Evaluating Formation Pressure Distribution After Hydraulic Fracturing in Tight Sand Oil

  • Yu Tang,
  • Chunting Liu,
  • Hong Xiang,
  • Jin Zhang,
  • Heng Zheng,
  • Wenting Lu and
  • Ruiquan Liao

15 September 2025

Hydraulic fracturing with a horizontal well is the core technology for the efficient development of unconventional oil and gas resources such as tight oil. Quantitative characterization of formation pressure changes in tight oil reservoirs is of grea...

  • Article
  • Open Access
1 Citations
1,075 Views
18 Pages

25 February 2025

The cross-section effect leads to variations in the microstructure and thickness of marine engineering steel thick plates, which may result in delaminated tearing and a reduction in material plasticity and fracture toughness. The microstructural char...

  • Article
  • Open Access
867 Views
14 Pages

Temporal Molecular Signatures of Early Human Clavicle Fracture Healing: Characterization of Hematological, Cytokine, and miRNA Profiles

  • Li Wan,
  • Sandra Failer,
  • Nadja Muehlhaupt,
  • Christina Schwenk,
  • Peter Biberthaler,
  • Conrad Ketzer,
  • Gregor Roemmermann,
  • Olivia Bohe and
  • Marc Hanschen

10 September 2025

Fracture healing failure affects millions globally, yet early molecular mechanisms remain poorly understood. This study aimed to characterize initial fracture response through analyzing peripheral blood hematology, multiplex cytokine profiles, and mi...

  • Article
  • Open Access
6 Citations
2,558 Views
16 Pages

11 July 2023

To achieve an accurate and comprehensive characterization of the multiscale pore–fracture characteristics of Permian coal in the Jingbian Block, Ordos Basin, a combination of scanning electron microscopy (SEM), X-ray computed tomography (CT), a...

  • Article
  • Open Access
803 Views
22 Pages

4 June 2025

Hydraulic fracturing-assisted oil displacement (HFAOD) can improve the productivity of offshore low-permeability reservoirs, but challenges such as rapid productivity decline, difficulty in controlling fracture height, and unclear influence of geolog...

  • Article
  • Open Access
6 Citations
2,329 Views
20 Pages

14 June 2022

Mechanical and chemical processes experienced by carbonate rocks result in a complex network of natural fractures and dissolution features that have direct implications on porosity, permeability, and connectivity in reservoirs. Characterization of na...

  • Article
  • Open Access
13 Citations
3,991 Views
18 Pages

10 July 2020

A rock fracture test is a very important method in the study of rock mechanics. Based on the Mechanics Test System (MTS), the dynamic strain response of the failure process of cylindrical granite specimens under uniaxial compression was observed by u...

  • Article
  • Open Access
2 Citations
1,552 Views
29 Pages

This research introduces an innovative fractal–fractional synergy framework for multiscale analysis of stress field dynamics in geo-energy systems. By integrating fractional calculus with multiscale fractal dimension analysis, we develop a coup...

  • Article
  • Open Access
4 Citations
4,663 Views
25 Pages

22 September 2021

Geomechanical characterization plays a key role in optimizing the stimulation treatment of tight reservoir formations. Petrophysical models help classify the reservoir rock as the conventional or unconventional type and determine hydrocarbon-saturate...

  • Article
  • Open Access
18 Citations
4,842 Views
27 Pages

22 May 2023

It is well known that the use of continuous reinforcing fibers can largely improve the typical low in-plane mechanical properties of 3D-printed parts. However, there is very limited research on the characterization of the interlaminar fracture toughn...

  • Article
  • Open Access
9 Citations
4,945 Views
17 Pages

14 January 2021

The successful exploration of dimension stone mainly depends on the quality, size, and shape of extractable blocks of dimension stone. The investigated area is in the Pelješac Peninsula (Croatia), in the External Dinarides orogeny, built from...

  • Article
  • Open Access
9 Citations
5,060 Views
28 Pages

QDC-2D: A Semi-Automatic Tool for 2D Analysis of Discontinuities for Rock Mass Characterization

  • Lidia Loiotine,
  • Charlotte Wolff,
  • Emmanuel Wyser,
  • Gioacchino Francesco Andriani,
  • Marc-Henri Derron,
  • Michel Jaboyedoff and
  • Mario Parise

14 December 2021

Quantitative characterization of discontinuities is fundamental to define the mechanical behavior of discontinuous rock masses. Several techniques for the semi-automatic and automatic extraction of discontinuities and their properties from raw or pro...

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