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Keywords: Materials
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Journal Articles
Article Type: Research-Article
J. Appl. Mech. December 2018, 85(12): 121006.
Paper No: JAM-18-1376
Published Online: September 14, 2018
... applying topology optimization to a cantilever beam made from a material with soft, horizontal inclusions, ensuring that the aspect ratio of the inclusions is 2.25 will yield the stiffest structure. In the case of heterogeneous microstructural optimization, one of the results obtained from this analysis...
Journal Articles
Article Type: Research-Article
J. Appl. Mech. December 2018, 85(12): 121001.
Paper No: JAM-18-1332
Published Online: August 31, 2018
... behaviors of the material were modeled with Maxwell-hyperelasticity proposed by the authors. The viscoelastic model was implemented using the finite element method (FEM), and a dynamic analysis was performed, the results of which were compared with the experimental data. The influences of the dimensions...
Journal Articles
Article Type: Research-Article
J. Appl. Mech. November 2018, 85(11): 111010.
Paper No: JAM-18-1063
Published Online: August 31, 2018
...Xiongfei Lv; Liwu Liu; Yanju Liu; Jinsong Leng Dielectric elastomer (DE) is a promising electroactive polymer. As DE material, rubbers are often filled with functional particles to improve their electromechanical performance. However, the filled particles also bring stress softening, which is known...
Journal Articles
Article Type: Research-Article
J. Appl. Mech. November 2018, 85(11): 111005.
Paper No: JAM-18-1302
Published Online: July 24, 2018
..., 2018. Editor: Yonggang Huang. 22 05 2018 29 06 2018 Constitutive modeling Thermodynamics Materials High-intensity focused ultrasound (HIFU) is a selective treatment to thermally coagulate benign or malignant tissues, since ultrasound is focused on the tissue inside...
Journal Articles
Article Type: Research-Article
J. Appl. Mech. November 2018, 85(11): 111002.
Paper No: JAM-18-1299
Published Online: July 17, 2018
... law. R-curves are computed for materials that exhibit linear or power law hardening. Kinematic hardening leads to an enhanced crack growth resistance relative to isotropic hardening. Moreover, kinematic hardening requires greater crack extension to achieve the steady-state. These differences...
Journal Articles
Article Type: Research-Article
J. Appl. Mech. November 2018, 85(11): 111001.
Paper No: JAM-18-1222
Published Online: July 17, 2018
...Yichen Deng; Steven W. Cranford Nature has a proven track record of advanced materials with outstanding mechanical properties, which has been the focus of recent research. A well-known trade-off between ultimate strength and toughness is one of the main challenges in materials design. Progress has...
Journal Articles
Article Type: Research-Article
J. Appl. Mech. September 2018, 85(9): 091007.
Paper No: JAM-17-1695
Published Online: June 18, 2018
.... Assoc. Editor: Harold S. Park. 23 12 2017 27 04 2018 Computational mechanics Constitutive modeling Materials In order to construct nanoscale molecular structures, calculate the elemental strain and atomistic potential energy, and conduct the pull-out simulations...
Journal Articles
Article Type: Research-Article
J. Appl. Mech. September 2018, 85(9): 091001.
Paper No: JAM-17-1679
Published Online: June 14, 2018
...Armanj D. Hasanyan; Anthony M. Waas Micromechanics models of fiber kinking provide insight into the compressive failure mechanism of fiber reinforced composites, but are computationally inefficient in capturing the progressive damage and failure of the material. A homogenized model is desirable...
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: Research-Article
J. Appl. Mech. August 2018, 85(8): 081009.
Paper No: JAM-18-1094
Published Online: June 4, 2018
... ( x , y ) and G 2 ( x , y ) will be (76) k 1 μ G 1 ( x , y ) = k 2 μ G 2 ( x , y ) = { x − x y x ≤ y y − x y x > y Constitutive modeling Internal flow Thermodynamics Materials...
Includes: Supplementary data
Journal Articles
Article Type: Technical Briefs
J. Appl. Mech. July 2018, 85(7): 074503.
Paper No: JAM-18-1136
Published Online: May 15, 2018
..., failure analysis of rubber bearings should combine compression and shear. Such combination is considered in the present communication. In order to analyze failure, the strain energy density is enhanced with a limiter, which describes rubber damage. The inception of material instability and the onset...
Journal Articles
Article Type: Technical Briefs
J. Appl. Mech. July 2018, 85(7): 074501.
Paper No: JAM-17-1636
Published Online: May 8, 2018
...Wei Tong A necessary and sufficient condition in terms of explicit algebraic inequalities on its five on-axis material constants and a similarly formulated sufficient condition on its entire set of nine material constants are given for the first time to guarantee a calibrated Gotoh's fourth-order...
Journal Articles
Article Type: Research-Article
J. Appl. Mech. July 2018, 85(7): 071004.
Paper No: JAM-18-1034
Published Online: May 8, 2018
... products, soft devices and the fabrication of 3D complex structures. Constitutive modeling Mechanical properties of materials Stress analysis Structures Materials The 3D wrinkled film/substrate system studied herein is schematically illustrated in Fig. 1 . At the initial state, the film...
Journal Articles
Article Type: Technical Briefs
J. Appl. Mech. July 2018, 85(7): 074502.
Paper No: JAM-18-1079
Published Online: May 8, 2018
...C. Ayas; C. Tekog̃lu The structural symmetry of a material can be manifested at a multitude of length scales such as spatial arrangement of atoms in a crystal structure, preferred orientation of grains in a polycrystalline material, alignment of reinforcing particles/fibers in composites...
Journal Articles
Article Type: Research-Article
J. Appl. Mech. June 2018, 85(6): 061013.
Paper No: JAM-18-1125
Published Online: April 12, 2018
... 03 2018 26 03 2018 Constitutive modeling Mechanical properties of materials Plasticity Materials Filled rubbery polymers, usually consisting of rubbery matrix and embedded carbon-black particles, are widely used in engineering fields such as tires, dampers, and seals, due...
Journal Articles
Article Type: Research-Article
J. Appl. Mech. June 2018, 85(6): 061005.
Paper No: JAM-18-1046
Published Online: March 30, 2018
...Simon P. H. Skovsgaard; Henrik Myhre Jensen Failure by steady-state kink band propagation in layered materials is analyzed using three substantially different models. A finite element model and an analytical model are developed and used together with a previously introduced constitutive model...
Journal Articles
Article Type: Research-Article
J. Appl. Mech. June 2018, 85(6): 061003.
Paper No: JAM-17-1668
Published Online: March 23, 2018
.... Assoc. Editor: N. R. Aluru. 07 12 2017 21 02 2018 Computational mechanics Constitutive modeling Elasticity Structures Materials The effect of finite uniaxial strain E 11 on the bending modulus D 11 of the graphene sheet with different orientations is depicted...
Journal Articles
Article Type: Research-Article
J. Appl. Mech. May 2018, 85(5): 051007.
Paper No: JAM-18-1052
Published Online: March 14, 2018
... void shapes, including oblate, prolate, or general ellipsoidal voids. Also, other 3D effects such as those of different spacings of voids in different material directions and the effects of different macroscopic principal stresses in three directions are accounted for. It is found that the presence...
Journal Articles
Article Type: Research-Article
J. Appl. Mech. May 2018, 85(5): 051006.
Paper No: JAM-17-1659
Published Online: March 12, 2018
...M. Hajhashemkhani; M. R. Hematiyan; S. Goenezen Identification of material properties of hyper-elastic materials such as soft tissues of the human body or rubber-like materials has been the subject of many works in recent decades. Boundary conditions generally play an important role in solving...
Journal Articles
Article Type: Research-Article
J. Appl. Mech. May 2018, 85(5): 051005.
Paper No: JAM-18-1022
Published Online: March 7, 2018
... * ) } Fig. 3 Variation of σ 33 along the x 3 -axis Constitutive modeling Micromechanics Materials Since Eshelby's celebrated work [ 1 ], the inclusion problem has been extensively investigated [ 2 , 3 ]. However, most of the analytical studies are concerned...