&lt;title&gt;Degradation of bending strength and stiffness in glass-fiber-reinforced plastic under repeated raindrop impact&lt;/title&gt;

Homma, Hiroomi; Prayogo, Gatot; Kanto, Yasuhiro

doi:10.1117/12.269836

Cited by 2 publications

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“…Based on the cross-sectional stress calculation method by Gaeni et al (11) , the principal stresses and its directions can be calculated by Eqs. (5) and (6).…”

Section: Determination Of Springs To Be Brokenmentioning

confidence: 99%

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Effect of Particle Fragmentation on the Stress Evolution in the Beam Impacted by a Particle Using Hybrid Method

Sutikno

Homma

Mihradi

2010

JMMP

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In this research, collision of a glass bead particle onto a ceramic beam is analyzed by the hybrid method that combines discrete element method (DEM) and finite element method (FEM), developed by the authors. Contact forces between the particle and the beam are analyzed by the Penalty method and Christensen failure criterion is used for dealing with the initiation and propagation of cracks in the glass bead particle. Numerical analysis is executed to examine the initiation and propagation of cracks and fragmentation appearance in the particle, behaviors of stresses of elements at the contact center of the particle and the beam, and stress evolution beneath the surface of the beam by particle impact and its fragmentation.

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“…Based on the cross-sectional stress calculation method by Gaeni et al (11) , the principal stresses and its directions can be calculated by Eqs. (5) and (6).…”

Section: Determination Of Springs To Be Brokenmentioning

confidence: 99%

“…One of the authors carried out the experimental researches on damage of ceramics by particle impact (4) . He also carried out research on raindrop impact onto glass fiber reinforced plastics -GFRP (5)(6)(7) . The damage of the material as whitening zone was detected in GFRP subjected to repeated raindrop impact.…”

Section: Introductionmentioning

confidence: 99%

Effect of Particle Fragmentation on the Stress Evolution in the Beam Impacted by a Particle Using Hybrid Method

Sutikno

Homma

Mihradi

2010

JMMP

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“…Many researchers have dealt with particle impact problems to understand impact erosion mechanisms. One of the authors carried out the researches on raindrop impact onto glass fiber reinforced plastics (GFRP) (5), (6) and (7) . He also carried out the experiment on damage of ceramics due to particle impact (8) .…”

Section: Introductionmentioning

confidence: 99%

Analysis on Contact Phenomenon under Particle Impact by Hybrid Method

Sutikno

Homma

Mihradi

2009

JMMP

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In this study, a hybrid method is developed. The hybrid method utilizes discrete element method (DEM) and finite element method (FEM) simultaneously, which is used for simulation of impact problems. A disk particle modeled by DEM, collides onto a beam modeled by FEM. Numerical analyses are elaborated to examine behaviors of elements near the contact area and stress evolution beneath the contact surface. Through comparing the numerical results obtained by the hybrid method with LS-DYNA calculation results and the analytical solution by Hertz's contact theory, the accuracy of the hybrid method is evaluated.

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<title>Degradation of bending strength and stiffness in glass-fiber-reinforced plastic under repeated raindrop impact</title>

Cited by 2 publications

References 0 publications

Effect of Particle Fragmentation on the Stress Evolution in the Beam Impacted by a Particle Using Hybrid Method

Effect of Particle Fragmentation on the Stress Evolution in the Beam Impacted by a Particle Using Hybrid Method

Analysis on Contact Phenomenon under Particle Impact by Hybrid Method

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