کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
569772 876689 2010 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
An elasto-viscoplastic analysis of direct extrusion of a double base solid propellant
موضوعات مرتبط
مهندسی و علوم پایه مهندسی کامپیوتر نرم افزار
پیش نمایش صفحه اول مقاله
An elasto-viscoplastic analysis of direct extrusion of a double base solid propellant
چکیده انگلیسی

In this study, three-dimensional modelling of extrusion forming of a double base solid rocket propellant is performed on Ansys® finite element analysis program. Considering the contact effects and the time dependent viscous and plastic behaviour, the solid propellant is assumed to obey the large deformation elasto-viscoplastic material response during direct extrusion process. The deformed shape, hydrostatic pressure, contact stress, equivalent stress, total strain values are determined from the simulation in order to get insight into the mechanical extremity that the propellant has undergone during processing. Hydrostatic pressure and contact stress distributions have been found to be important parameters due to safety reasons of the nitro-glycerine content in the bulk of the propellant.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Advances in Engineering Software - Volume 41, Issue 9, September 2010, Pages 1110–1114
نویسندگان
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