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Informatics Study of Mechanical Properties of Liquid Crystal Elastomers
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- YASUOKA Haruka
- Panasonic Corporation Technology Division, Applied Materials Technology Center Research Association of High-Throughput Design and Development for Advanced Functional Materials
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- TAGASHIRA Kenji
- Panasonic Corporation Technology Division, Applied Materials Technology Center
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- DOI Hideo
- Research Center for Computational Design of Advanced Functional Materials, National Institute of Advanced Industrial Science and Technology (AIST)
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- TAKAHASHI Kazuaki
- Research Center for Computational Design of Advanced Functional Materials, National Institute of Advanced Industrial Science and Technology (AIST)
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- FUKUDA Jun-ichi
- Department of Physics, Faculty of Science, Kyushu University
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- AOYAGI Takeshi
- Research Center for Computational Design of Advanced Functional Materials, National Institute of Advanced Industrial Science and Technology (AIST)
Bibliographic Information
- Other Title
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- 液晶エラストマーの力学特性に関するインフォマティクス解析
- エキショウ エラストマー ノ リキガク トクセイ ニ カンスル インフォマティクス カイセキ
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Description
<p>Liquid crystal elastomers (LCEs) are a relatively new class of materials that display soft elasticity, that is, they can be deformed without resistance. Furthermore, LCEs show a rapid and accurate response to external stimuli such as electric, magnetic, and thermal fields. For this reason, it is expected to be applied to actuators or sensors. In order to apply these characteristics to devices, we tried to predict the characteristics of LCE by simulation. First of all, we developed an extended coarse-grained LCE model to enable simulation of systems of various architectures. Our model is a hybrid of Gay-Berne particles and Lennard-Jones particles, based on previously reported LCE modeling techniques. By using molecular dynamics (MD) method, the stress-strain curves as the response to an external force were obtained, and soft elasticity was clearly observed. Then, the regression analysis using machine learning (ML) was conducted on the results of the stress-strain curves of the MD simulations. The results indicated that spacing for a room for mobility of mesogenic units in the design variables of LCE molecules affected elasticity. In addition, the R-squared value of regression curve for stress-strain curves was 0.821, which indicates a strong correlation between the MD data and ML results. Finally, the estimation method of molecular structure from coarse-grained model is discussed.</p>
Journal
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- NIPPON GOMU KYOKAISHI
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NIPPON GOMU KYOKAISHI 95 (2), 54-59, 2022
THE SOCIRETY OF RUBBER SCIENCE AND TECHNOLOGYY, JAPAN
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Details 詳細情報について
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- CRID
- 1390574411904914304
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- NII Article ID
- 40022822841
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- NII Book ID
- AN00189720
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- ISSN
- 18840442
- 0029022X
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- NDL BIB ID
- 031982388
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL Search
- Crossref
- CiNii Articles
- OpenAIRE
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- Abstract License Flag
- Disallowed