研究者詳細 - 吉村　彰記

講演・口頭発表等 - 吉村　彰記

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福井勇人, 吉村彰記, 中山真広, 松崎亮介

日本機械学会M&M2015材料力学カンファレンス

開催年月日： 2015年11月

記述言語：日本語会議種別：口頭発表（一般）

開催地：神奈川県横浜市国名：日本国

Carbon fiber reinforced plastics (CFRP) have microscopic inhomogeneity. It is necessary to consider the effect of inhomogeneity in order to improve accuracy for analysis of CFRP structures. In this study, we constructed multiscale simulation method for CFRP plate structure using commercial FEM code, Abaqus. Multiscale simulation consists of microscopic, mesoscopic, and macroscopic scales. In microscopic scale, we obtained material properties of unidirectional fiber tows from material properties of fiber and resin. In mesoscopic scale, CFRP plate stiffness including out-of-plane shear stiffness was calculated for analysis with shell element. Macroscopic analysis was conducted by using plate stiffness and shell elements. Finally we compared results of three-point bending tests including short beam tests with shell element analysis. In three-point bending tests and analysis, we changed aspect ratio by changing jig span. In both of them, when aspect ratio decreases, apparent bending modulus decreases. Analysis showed good agreement with experiments.

DOI： 10.1299/jsmemm.2015._PS0006-18

Damage simulation of stitched CFRP laminates under high-velocity projectile impact 国際会議

A. Yoshimura, Y. Mikami, M. Nakayama, T. Ogasawara, N Watanabe

ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE)

High-velocity impact behavior of stitched CFRP laminates 国際会議

A. Yoshimura, S. Fukuda, Y. Mikami, R. Tsuji, M. Nakayama, S. Ogihara, T. Ogasawara, N. Watanabe

American Society for Composites 30th Technical Conference, ACS 2015

Experimental and numerical characterization of high-velocity impact damage in CFRP laminates 国際会議

S. Yashiro, K. Ogi, A. Yoshimura, Y. Sakaida

20th International Conference on Composite Materials (ICCM-20)

Structural optimization to prevent crack propagation for CFRP cryogenic tank 国際会議

H. Fukui, A. Yoshimura, R. Matsuzaki

20th International Conference on Composite Materials (ICCM-20)

X-ray CT image-based measurement and modeling of microscopic defects in CFRP laminates 国際会議

A. Yoshimura, S. Ii, R. Hosoya, J. Koyanagi, T. Ogasawara, K. Terashima, T. Kamita, N. Takeda

20th International Conference on Composite Materials (ICCM-20)

High-Velocity Impact Behavior of Stitched CFRP Laminates 国際会議

A. Yoshimura, S. Fukuda, Y. Mikami, M. Nakayama, S. Ogihara, T. Ogasawara, N. Watanabe, A. M. Waas

ASME 2015 Applied Mechanics and Materials Conference, McMAT2015

Measurement of thermal deformation of CFRP under rapid heating 国際会議

J. Koyanagi, Y. Fukuda, K. Hirai, A. Yoshimura, T. Aoki, T. Ogasawara, S. Yoneyama

2015 Annual Conference on Experimental and Applied Mechanics

The effect of fiber waviness on the flexural strength of unidirectional composites 国際会議

K. Akakabe, T. Aoki, T. Yokozeki, A. Kobiki, A. Yoshimura

2nd Turkey-Japan Workshop on Polymeric Composite Materials

Multiscale simulation of CFRP plate structure by using homogenization method 国際会議

A. Yoshimura, Y. Tajima, T. Okabe, Y. Morino

American Society for Composites 29th Technical Conference / 16th US-Japan Conference on Composite Materials

High-velocity impact characteristic of stitched carbon/epoxy composites 国際会議

Y. Mikami, A. Yoshimura, R. Tsuji, N. Watanabe

American Society for Composites 29th Technical Conference / 16th US-Japan Conference on Composite Materials

X-ray CT Image-based Measurement of Fiber Orientation Distribution in CFRP laminates 国際会議

R. Hosoya, A. Yoshimura, J. Koyanagi, S. Yoneyama

American Society for Composites 29th Technical Conference / 16th US-Japan Conference on Composite Materials

FOD characteristics of titanium metal matrix composite (TMC) to apply aircraft landing gear structure 国際会議

N. Takahashi, T. Sato, K. Fujiwara, T. Yokozeki, A. Yoshimura, H. Shoji

29th Congress of the International Council of the Aeronautical Sciences, ICAS 2014

Damage Simulation of CFRP Thin Plate by Using Homogenization Method 国際会議

A. Yoshimura, T. Okabe

13th Japan International SAMPE Symposium and Exhibition

Damage Simulation of High-Velocity Projectile Impact of CFRP laminates 国際会議

A. Yoshimura, K. Nagakura, S. Fukuda, T. Okabe, T. Ogasawara, S. Ogihara

The 13th Euro-Japanese Symposium on Composite Materials

Damage simulation of CFRP thin plate by using homogenization method 国際会議

A. Yoshimura, T. Okabe

18th Composite Durability Workshop

Measurement of fiber orientation in CFRP laminate by using X-ray computed tomography 国際会議

R. Hosoya, A. Yoshimura, J. Koyanagi, T. Ogasawara

18th Composite Durability Workshop

Evaluation of loading rate dependence on fracture behavior of CFRP laminate with high speed imaging 国際会議

H. Kusano, Y. Hirano, A. Yoshimura, Y. Aoki, Y. Iwahori

The 19th International Conferences on Composite Materials (ICCM-19)

Foreign object impact damage simulation of titanium matrix composites 国際会議

T. Yokozeki, N. Kootsuka, K. Fujiwara, T. Sato, A. Yoshimura, H. Shoji

The 19th International Conferences on Composite Materials (ICCM-19)

Damage simulation of high-velocity impact of CFRP laminates 国際会議

A. Yoshimura, K. Nakagakura, T. Okabe, H. Kusano, T. Ogasawara, S. Ogihara

27th Annual Technical Conference of the American Society for Composites 2012, Held Jointly with 15th Joint US-Japan Conference on Composite Materials and ASTM-D30 Meeting

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