NDLI: Dynamic Response of Blast-Loaded Stiffened Plates by Rigid-Plastic Analysis

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Yang, Ping Peng, Ying
Copyright Year	2010
Abstract	The dynamic response of one-way stiffened plates with clamped edges subjected to uniformly distributed blast-induced shock loading is theoretically investigated using a singly symmetric beam model. The beam model is based on the rigid-perfectly plastic assumption. The bending moment-axial force capacity interaction relation or yield curve for singly symmetric cross-section is derived and explicitly presented. The deflection condition that a plastic string response must satisfy is determined by the linearized interaction curve and associated plastic flow rule. Moreover, the possible motion mechanisms of the beam are discussed under different load intensity. Finally the dynamic response of a one-way stiffened plate is calculated theoretically and numerically. Good agreements are obtained between the presented theoretical results and those from numerical calculations of the FEM software ANSYS and ABAQUS/Explicit. It is concluded that the basic assumptions and approximations for simplifying calculations are reasonable and the beam model in theoretical analysis is adoptable. The example also shows that an arbitrary blast load can be replaced equivalently by a rectangular type pulse.
Sponsorship	Ocean, Offshore and Arctic Engineering Division
Starting Page	991
Ending Page	999
Page Count	9
File Format	PDF
ISBN	9780791849101
DOI	10.1115/OMAE2010-21044
e-ISBN	9780791838730
Volume Number	29th International Conference on Ocean, Offshore and Arctic Engineering: Volume 2
Conference Proceedings	ASME 2010 29th International Conference on Ocean, Offshore and Arctic Engineering
Language	English
Publisher Date	2010-06-06
Publisher Place	Shanghai, China
Access Restriction	Subscribed
Subject Keyword	Dynamic response Approximation Deformation Deflection Computer software Blast effect Theoretical analysis String Finite element methods Stress Finite element model Plates (structures) Shock (mechanics)
Content Type	Text
Resource Type	Article

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