書誌事項
- タイトル別名
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- Inelastic Constitutive Modelling of Cortical Bone Taking Account of Anisotropy and Damage
- 異方性と損傷を考慮した皮質骨の非弾性構成式の定式化
- イホウセイ ト ソンショウ オ コウリョ シタ ヒシツコツ ノ ヒダンセイ コウセイシキ ノ テイシキカ
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抄録
An anisotropic inelastic constitutive model of cortical bone was formulated to predict deformation and failure behavior in traffic accidents or falling by utilizing the framework of viscoplasticity and damage mechanics. The model can represent characteristic features of cortical bone, such as anisotropic elastic coefficients with strain rate dependency, viscoplasticity with strength anisotropy as well as strength asymmetry of tension and compression. The damage evolution equation also enables us to predict bone failure with rate dependency. Experimental data of uniaxial compressive or tensile loading tests of human cortical bone at various strain rates were used to validate the proposed model. Predicted stress-strain curves and failure points agreed well with those of experimental data at wide range of strain rates. This shows the present model can be used to predict bone failure in various impact simulations of traffic accidents or falling.
収録刊行物
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- 日本機械学会論文集A編
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日本機械学会論文集A編 71 (705), 872-879, 2005
一般社団法人 日本機械学会
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詳細情報
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- CRID
- 1390001204478285824
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- NII論文ID
- 110004999022
- 120000975625
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- NII書誌ID
- AN0018742X
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- ISSN
- 18848338
- 03875008
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- HANDLE
- 2237/9109
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- NDL書誌ID
- 7376631
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- IRDB
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可