Research theme for competitive and other funds (2)：
2024 - 2027 共押出ダイ内流動不安定性の解明:その場観察と粘弾性シミュレーション
2022 - 2023 共押出多層フィルム界面不安定性の3次元有限要素法を用いた粘弾性流動解析
Papers (5)：
Keiko Takeda. The behavior of entangled polymer melts under fast elongational flow using molecular simulations. 2020
Takeda, K., Masubuchi, Y., Sugimoto, M., Koyama, K., Sukumaran, S.K. Simulations of startup planar elongation of an entangled polymer melt. Nihon Reoroji Gakkaishi. 2020. 48. 1
Takeda, K., Sukumaran, S.K., Sugimoto, M., Koyama, K., Masubuchi, Y. Re-examination of the effect of the stretch/orientation-induced reduction of friction under equi-biaxial elongational flow via primitive chain network simulation using two definitions of orientation anisotropy. Nihon Reoroji Gakkaishi. 2018. 46. 3
Takeda, K., Sukumaran, S.K., Sugimoto, M., Koyama, K., Masubuchi, Y. Test of the stretch/orientation-induced reduction of friction for biaxial elongational flow via primitive chain network simulation. Nihon Reoroji Gakkaishi. 2015. 43. 3-4
Takeda, K., Sukumaran, S.K., Sugimoto, M., Koyama, K., Masubuchi, Y. Primitive chain network simulations for elongational viscosity of bidisperse polystyrene melts. Advanced Modeling and Simulation in Engineering Sciences. 2015. 2. 1
MISC (3)：
Keiko Takeda. Advanced Research Infrastructure for Materials and Nanotechnology (ARIM). Yamagata University offers access to advanced equipment and materials data through shared research facilities. Seikei-Kakou. 2024. 36. 6. 248-250
Keiko Takeda, Sathish K. Sukumaran, Masataka, Sugimoto. Sugimoto/Sathish Laboratory, Graduate School of Organic Materials Science, Yamagata University. Nihon Reoroji Gakkaishi. 2024. 52. 1. 65-66
Lectures and oral presentations (10)：
Observation of flow behavior of polymer melt in the contraction region of a coextrusion die and viscoelastic flow simulation.
(The 32th Autumnal Meeting of the Japan Society of Polymer Processing 2024)
Viscoelastic simulations of flow near the confluence point during two-layer coextrusion
(the 31st Autumnal Meeting of the society of polymer processing 2023)
Viscoelastic Simulations of the Effect of Strain Hardening on Interfacial Roughness during Two-layer Coextrusion
(The XIXth International Congress on Rheology 2023)
Viscoelastic simulations of the effect of strain hardening on two-layer flow undergoing contraction in a coextrusion die
(the 30th Autumnal Meeting of the Japan Society of Polymer Processing 2022)
Effect of strain hardening on two-layer coextrusion:experiments on interfacial roughness and viscoelastic flow simulations near the confluence point
(The 37th International Conference of the Polymer Processing Society 2022)
2019/08 - 2020/07 The society of polymer processing Executive Committee
2018/12 - 2019/07 The society of polymer processing Executive Committee
2017/12 - 2018/07 The society of polymer processing Executive Committee
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Awards (2)：
2018/06 - The Japan Society of Polymer Processing 30th Anniversary Meritorious Service Award
2017/05 - The Society of Theology, Japan Best Paper Award Test of Stretch/Orientation-Induced Reduction of Friction for Biaxial Elongational Flow via Primitive Chain Network Simulation
Association Membership(s) (4)：
Tohoku-Hokkaido Branch, The Japan Society of Polymer Processing
, The Polymer Processing Society
, The Society of Rheology, Japan
, the Japan Society of Polymer Processing
