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Keywords: impact
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. January 2024, 91(1): 011011.
Paper No: JAM-23-1270
Published Online: September 11, 2023
...Aakash Khandelwal; Ranjan Mukherjee The spatial variation of the coefficient of restitution for frictionless impacts along the length of a circular beam is investigated using a continuous impact model. The equations of motion are obtained using the finite element method, and direct time integration...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. December 2023, 90(12): 121011.
Paper No: JAM-23-1241
Published Online: September 8, 2023
... be subjected to intense dynamic loading due to high/hyper-velocity impact and therefore necessitates understanding of the dynamic shear strength and kinetics for the development of constitutive models. However, while several investigations have generated Hugoniots for silicate glasses, none appear to have...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. November 2023, 90(11): 111004.
Paper No: JAM-23-1195
Published Online: August 2, 2023
... ms. It is worth noting that the load mass is 14 kg. Smoothing of the signal can effectively weaken the impact of noise and reflect the frequency characteristics of the signal, as illustrated in Fig. 13( b ) . The shock peak appears around 10 Hz, which corresponds to the shock duration. Under...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. May 2023, 90(5): 051003.
Paper No: JAM-22-1378
Published Online: January 17, 2023
... subjected to impact loads due to its brittle characteristics. Therefore, a steel-layered structure with different contact areas is developed as a stress wave attenuator to protect the fluid oscillator for the DTH hammer under high-temperature drilling conditions. In this paper, the stress wave attenuation...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. July 2022, 89(7): 071002.
Paper No: JAM-22-1108
Published Online: May 12, 2022
.../501100001809 52005331 elasticity impact structures 31 03 2022 05 04 2022 05 04 2022 12 05 2022 Contributed by the Applied Mechanics Division of ASME for publication in the J ournal of A pplied M echanics . Email: y-huang@northwestern.edu 1 Corresponding...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. June 2022, 89(6): 061007.
Paper No: JAM-22-1018
Published Online: April 21, 2022
...Hyunho Shin A process of calibrating a one-dimensional sound speed (c o ) and Poisson’s ratio (ν) of a (split) Hopkinson bar is presented. This process consists of Fourier synthesis and iterative dispersion correction (time-domain phase shift) of the elastic pulse generated by the striker impact...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. October 2022, 89(10): 101001.
Paper No: JAM-22-1033
Published Online: April 19, 2022
... a ballistic setup where target plates were cooled down to as low as −60 °C before we present results from ballistic impact tests with three different projectile types. The ballistic limit velocities from tests at low temperatures were higher than the ballistic limit velocities from tests at room temperature...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. May 2022, 89(5): 051003.
Paper No: JAM-21-1520
Published Online: February 9, 2022
... for impacts beyond 150 m/s is not feasible as the granules lose their spherical shape due to very large loads (>300 kN) for which the overlap between granules exceeds one-quarter of the granule diameter. Equation (6) can also be used to estimate the sound speed ( c 0,predicted ) of a packing...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. May 2022, 89(5): 051002.
Paper No: JAM-21-1465
Published Online: February 9, 2022
...S. Pant; S. Tamboli; S. N. Khaderi A common method of generating a tensile wave in Split-Hopkinson bar experiments is to impact a hollow striker on an anvil/collar attached to the incident bar. When the anvil/collar is attached to the incident bar using screw threads, the incident signals usually...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. April 2022, 89(4): 041001.
Paper No: JAM-21-1397
Published Online: December 8, 2021
... deformation polycarbonate model computational mechanics constitutive modeling of materials dynamics flow and fracture impact mechanical properties of materials plasticity thermodynamics wave propagation Air Force Office of Scientific Research 10.13039/100000181 FA9550-15-1-0415...
Includes: Supplementary data
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. November 2021, 88(11): 111005.
Paper No: JAM-21-1166
Published Online: July 20, 2021
...Jasper Lienhard; David Veysset; Keith A. Nelson; Christopher A. Schuh At sufficiently high velocities, a microparticle impacting a metal substrate can cause ejection of material from the substrate and impact-induced melting, both of which can result in erosion. Here, we directly image the impact...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. October 2021, 88(10): 101005.
Paper No: JAM-21-1174
Published Online: June 11, 2021
... Hugoniot fracture nucleation stress ultimate tensile strength spallation molecular dynamics computational mechanics flow and fracture impact mechanical properties of materials dynamics wave propagation Polyurethane and polyurea are two of the most widely used polymers for engineering...
Includes: Supplementary data
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. August 2021, 88(8): 081001.
Paper No: JAM-20-1677
Published Online: April 8, 2021
...Shiyao Lin; Anthony M. Waas The low velocity impact (LVI)-induced damage of a highly anisotropic laminate [0/90/0/90 9 ] s has been studied experimentally and numerically. The purpose of the analyses of this laminate is that this stacking sequence resembles a sandwich composite panel, in the sense...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. May 2021, 88(5): 051007.
Paper No: JAM-20-1618
Published Online: February 23, 2021
...Amartya Bhattacharjee; Anindya Bhaduri; Ryan C. Hurley; Lori Graham-Brady A micromechanical multi-physics model for ceramics has been recalibrated and used to simulate impact experiments with boron carbide in abaqus . The dominant physical mechanisms in boron carbide have been identified...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. December 2020, 87(12): 121009.
Paper No: JAM-20-1411
Published Online: September 17, 2020
...M. A. N. Dewapriya; R. E. Miller Recent advances in experimental techniques have enabled impact tests of ultrathin films. For example, microprojectile impact tests of ultrathin polymer films have revealed that their specific penetration energy is about ten times more than that of the conventional...
Includes: Supplementary data
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. December 2020, 87(12): 121004.
Paper No: JAM-20-1239
Published Online: September 16, 2020
...-body chains where the impulse wave generated by impact gets blocked before it reaches a contacting end. The topic of unilateral constraints and associated complementarity relationship has been investigated by many previous investigators. The topic is diverse, and there are numerous published articles...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. December 2020, 87(12): 121003.
Paper No: JAM-20-1323
Published Online: September 16, 2020
...N. Kumar; S. N. Khaderi; K. Tirumala Rao We investigate the normal impact of a rigid sphere on a half-space of elasto-plastic auxetic/metal foam using the finite element method. The dependence of the coefficient of restitution, peak force, maximum displacement, and contact duration on the yield...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. September 2020, 87(9): 091009.
Paper No: JAM-20-1099
Published Online: June 22, 2020
...Yanhui Jiang; Hamid Nayeb-Hashemi Capture of a prey by spider orb webs is a dynamic process with energy dissipation. The dynamic response of spider orb webs under prey impact requires a multi-scale modeling by considering the material microstructures and the assembly of spider silks in the macro...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. September 2020, 87(9): 091007.
Paper No: JAM-20-1170
Published Online: June 9, 2020
...Xuchen Wang; Mostafa Hassani With the advent of advanced testing techniques such as laser-induced particle impact test, it is possible to study materials mechanics under extremely high deformation rates, i.e., above 10 6 s −1 , a relatively less explored regime of strain rates. Inspired...