کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9704661 | 1464178 | 2005 | 17 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Improving energy absorption of impacted column due to transverse impact: A finite element analysis
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی مکانیک
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چکیده انگلیسی
The effect of transverse impact on the buckling behavior of a column under axial impact loading was numerically investigated using finite element analysis. A column under axial impact was subjected to transverse impact to instantaneously reduce its structural stiffness. Absorption of the axial impact energy increased due to post-buckling deformation being enlarged by transverse impact, though the axial impact load decreased. The numerical results of the finite element analysis qualitatively proved the results of a previous experiment. A transverse impact applied almost simultaneously with an axial impact produced the highest energy absorption. The impulse of transverse impact seems to be the governing parameter when a transverse impact is applied just after an axial one. It is confirmed that a transverse impact could increase the axial energy absorption of a column without losing any structural stiffness or static strength.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: International Journal of Impact Engineering - Volume 32, Issues 1â4, December 2005, Pages 444-460
Journal: International Journal of Impact Engineering - Volume 32, Issues 1â4, December 2005, Pages 444-460
نویسندگان
Azhari Sastranegara, Tadaharu Adachi, Akihiko Yamaji,