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Keywords: fracture
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Journal Articles
Article Type: Research Papers
J. Appl. Mech. September 2022, 89(9): 091006.
Paper No: JAM-22-1159
Published Online: July 26, 2022
... this challenge. However, the effect of fiber geometry on the fracture and fatigue of composite hydrogels is still elusive. Here, we use a model composite hydrogel to study the influence of fiber width, fiber spacing, and fiber configuration on these properties. It is found that the toughness of the composite...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. May 2021, 88(5): 051007.
Paper No: JAM-20-1618
Published Online: February 23, 2021
... space Histogram of granular material percentage at 15 μs after impact based on 500 samples in the input parameter space The linear correlation coefficients between GMP and each of the 19 derived input parameters shown in Table 8 are calculated and reported in Table 12 . Fracture toughness...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. October 2019, 86(10): 101012.
Paper No: JAM-19-1238
Published Online: August 31, 2019
... of force length, ductile response occurs similar to a linear “spring” interface. Both behaviors ultimately give rise to the failure of the interface. Results for the stiff, strong interface under a small applied torque show excellent agreement with the static fracture mechanics solution of Benthem...
Journal Articles
Article Type: Research-Article
J. Appl. Mech. December 2018, 85(12): 121005.
Paper No: JAM-18-1374
Published Online: September 12, 2018
... in brittle solids [ 1 – 3 ]. In tape or film peeling, often studied as a model system for fracture, a bending stiffness heterogeneity has a similar effect in influencing the force required to advance the peel front [ 4 – 7 ]. Kendall [ 4 ] studied the peeling of a tape with alternating thickness under...
Journal Articles
Article Type: Research-Article
J. Appl. Mech. December 2018, 85(12): 121003.
Paper No: JAM-18-1357
Published Online: September 7, 2018
... and fracture toughness of the system. We also demonstrate how the failure mode may switch between edge crack propagation and inner crack nucleation depending on the geometric characteristics of the bulk in the vicinity of the interface. Numerically, we investigate using the finite element method two different...
Journal Articles
Article Type: Research-Article
J. Appl. Mech. November 2018, 85(11): 111011.
Paper No: JAM-18-1340
Published Online: August 31, 2018
... that the deformation around a crack tip is usually large and the application of the linear formulation is, thus, limited to the region beyond a small distance away from the crack tip, assuming a small-scale nonlinear region similar to the small-scale yielding condition in linear elastic fracture mechanics. A detailed...
Journal Articles
Article Type: Research-Article
J. Appl. Mech. November 2018, 85(11): 111006.
Paper No: JAM-18-1310
Published Online: August 1, 2018
... with the one in fractures. Matrix and fracture pore pressures are calculated to be 1.77 MPa and 0 MPa, respectively. After the application of a compressive axial load to increase the axial strain at a constant rate, both matrix and fracture pore pressures start to increase. Meanwhile, water is driven out from...
Journal Articles
Article Type: Research-Article
J. Appl. Mech. November 2018, 85(11): 111003.
Paper No: JAM-18-1313
Published Online: July 17, 2018
...Pengyu Pei; Yan Shi; Guang Yang; Cunfa Gao This paper presents a detailed study on the fracture behaviors of soft materials with hard inclusion. Stress concentrations on the interfaces of hard and soft materials are considered as the key factor for structure fracture. Based on linear fracture...
Journal Articles
Article Type: Research-Article
J. Appl. Mech. November 2018, 85(11): 111002.
Paper No: JAM-18-1299
Published Online: July 17, 2018
... modeling Flow Mechanical properties of materials Plasticity Materials Fracture Tvergaard and Hutchinson [ 10 ] also considered the role of isotropic strain hardening on the R -curve. In this case, the stress field ahead of the crack tip exceeds 3 σ 0 due to the presence of strain...
Journal Articles
Article Type: Research-Article
J. Appl. Mech. October 2018, 85(10): 101011.
Paper No: JAM-18-1209
Published Online: July 12, 2018
... deformation regime. We investigate the stepwise phenomenon in air and in water, respectively, under mode I fracture. Our simulations show that despite the homogeneous material properties, the crack growth under mode I fracture is stepwise, and this pattern is influenced by the hydraulic permeability...
Journal Articles
Article Type: Research-Article
J. Appl. Mech. October 2018, 85(10): 101006.
Paper No: JAM-18-1152
Published Online: July 3, 2018
...Erfan Sarvaramini; Maurice B. Dusseault; Robert Gracie Microseismic imaging of the hydraulic fracturing operation in the naturally fractured rocks confirms the existence of a stimulated volume (SV) of enhanced permeability. The simulation and characterization of the SV evolution is uniquely...
Journal Articles
Article Type: Research-Article
J. Appl. Mech. September 2018, 85(9): 091003.
Paper No: JAM-18-1113
Published Online: June 14, 2018
...B. Chen; Andrew R. Barron; D. R. J. Owen; Chen-Feng Li Based on the KGD scheme, this paper investigates, with both analytical and numerical approaches, the propagation of a hydraulic fracture with a fluid lag in permeable rock. On the analytical aspect, the general form of normalized governing...
Journal Articles
Article Type: Research-Article
J. Appl. Mech. August 2018, 85(8): 081008.
Paper No: JAM-18-1056
Published Online: June 4, 2018
...Yunwei Mao; Lallit Anand If an elastomeric material is subjected to sufficiently large deformations, it eventually fractures. There are two typical micromechanisms of failure in such materials: chain scission and crosslink failure. The chain scission failure mode is mainly observed in polymers...
Journal Articles
Article Type: Technical Briefs
J. Appl. Mech. July 2018, 85(7): 074503.
Paper No: JAM-18-1136
Published Online: May 15, 2018
...: Shaoxing Qu. 08 03 2018 17 04 2018 Constitutive modeling Elasticity Flow Materials Fracture Rubber bearings are widely used in structural engineering yet the problem of their design is not completely resolved [ 1 ]. Among the difficulties, there is a necessity...
Journal Articles
Article Type: Technical Briefs
J. Appl. Mech. July 2018, 85(7): 074501.
Paper No: JAM-17-1636
Published Online: May 8, 2018
... Fracture In analyzing a typical industrial sheet metal forming process using macroscopic rate-independent plasticity, an anisotropic yield function plays an essential role in accurately capturing the directional and multiaxial dependence of the yielding, plastic flow, and hardening behavior...
Journal Articles
Article Type: Research-Article
J. Appl. Mech. May 2018, 85(5): 051010.
Paper No: JAM-18-1055
Published Online: March 20, 2018
...C. Liu Through the analysis of a model problem, a thin elastic plate bonded to an elastic foundation, we address several issues related to the miniature bulge test for measuring the energy-release rate associated with the interfacial fracture of a bimaterial system, where one of the constituents...
Journal Articles
Article Type: Research-Article
J. Appl. Mech. April 2018, 85(4): 041010.
Paper No: JAM-18-1014
Published Online: February 15, 2018
...Zhi-Qiao Wang; Emmanuel Detournay This paper investigates the tip region of a hydraulic fracture propagating near a free-surface via the related problem of the steady fluid-driven peeling of a thin elastic layer from a rigid substrate. The solution of this problem requires accounting...
Journal Articles
Article Type: Research-Article
J. Appl. Mech. March 2018, 85(3): 031006.
Paper No: JAM-17-1653
Published Online: January 16, 2018
.... , 34 ( 6 ), pp. 2478 – 2487 . 10.1109/TPS.2006.876421 [24] Naït-Abdelaziz , M. , Zaïri , F. , Qu , Z. , Hamdi , A. , and Hocine , N. A. , 2012 , “ J Integral as a Fracture Criterion of Rubber-Like Materials Using the Intrinsic Defect Concept ,” Mech. Mater. , 53 , pp. 80...
Includes: Supplementary data
Journal Articles
Article Type: Research-Article
J. Appl. Mech. March 2018, 85(3): 031003.
Paper No: JAM-17-1569
Published Online: January 4, 2018
... 07 12 2017 Flow Hydraulics Internal flow Stress analysis Fracture Fluid-driven cracks under symmetrical pressure and shear stress on the crack surfaces are observed in various fluid–solid interaction problems, such as magma (or water) driven cracks in the earth crust (or glacier...
Journal Articles
Article Type: Research-Article
J. Appl. Mech. February 2018, 85(2): 021007.
Paper No: JAM-17-1609
Published Online: December 20, 2017
... %. In this paper, we present a swelling driven fracture model for ionized hydrogel in large deformation. Flow of fluid within the crack, within the medium, and between the crack and the medium are accounted for. The partition of unity method is used to describe the discontinuous displacement field and chemical...