کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10681328 | 1013833 | 2013 | 13 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Modification of the critical projectile diameter of honeycomb sandwich panel considering the channeling effect in hypervelocity impact
ترجمه فارسی عنوان
اصلاح قطر پرتابه انتقالی پانل ساندویچ لانه زنبوری با توجه به اثر کانالینگ در اثر هیپرولوسیتی
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی هوافضا
چکیده انگلیسی
In this paper, a variation of the critical projectile diameter of honeycomb sandwich panel (HC/SP), due to the channeling effect, is investigated by using smoothed particle hydrodynamics (SPH). Before performing numerical study on the channeling effect, the results of 2-D hypervelocity impact simulation were compared with the experimental results in order to validate the simulation along with searching proper simulation parameters such as equation of state, strength model, and failure model. And then, analysis of the channeling effect is performed with different cell sizes, wall thicknesses and depths of HC core in accordance with the specifications of commercial HC cores. As a result of the study, it is revealed that the HC core cell size is the most influential parameter on the channeling at normal incidence impact. Also the critical projectile diameter appears to be varying with the HC core cell size due to the channeling effect. Finally, the modified critical projectile diameters of HC/SP are presented by introducing the decrement of critical projectile diameter.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Aerospace Science and Technology - Volume 29, Issue 1, August 2013, Pages 413-425
Journal: Aerospace Science and Technology - Volume 29, Issue 1, August 2013, Pages 413-425
نویسندگان
Pilseong Kang, Sung-Kie Youn, Jae Hyuk Lim,