کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
499049 863025 2009 12 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Towards a generalization of a discrete strong discontinuity approach
موضوعات مرتبط
مهندسی و علوم پایه مهندسی کامپیوتر نرم افزارهای علوم کامپیوتر
پیش نمایش صفحه اول مقاله
Towards a generalization of a discrete strong discontinuity approach
چکیده انگلیسی

A generalized discrete strong discontinuity approach (GSDA) is presented, in which non-homogeneous jumps are embedded in parent finite elements. The new formulation presents similar kinematics as for interface elements, accurately simulating both rigid body motion and stretching induced by the opening of a discontinuity. This generalized discrete strong discontinuity approach is built within the framework of strong embedded discontinuity formulations; as a consequence, it is mesh independent and avoids the progressive remeshing needed with interface elements. The GSDA can be viewed as a generalization of other embedded formulations for which particular assumptions are adopted regarding both the jump transmission and the variational principle.Structural examples including mode-I, mode-II and mixed-mode fracture are computed and compared with other embedded formulations and experimental results.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Computer Methods in Applied Mechanics and Engineering - Volume 198, Issues 47–48, 1 October 2009, Pages 3670–3681
نویسندگان
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