TY - GEN
T1 - A thermoplastic damage model for metallic energy dissipation devices
AU - Kim, Dongkeon
AU - Dargush, Gary F.
AU - Basaran, Cemal
PY - 2010
Y1 - 2010
N2 - Metallic dampers represent one class of effective passive energy dissipation devices used to protect structures during earthquake excitation. In some cases, these devices can become partially or fully damaged, which in turn could lead to failure of the structural system. In the present study, a two surface damage thermoplasticity model is proposed to understand this inelastic behavior and to evaluate a potential damaged state of the metallic dampers. This model is formulated through a thermodynamic approach to damage mechanics based upon entropy production. Finally, the proposed model is implemented as a user subroutine in the finite element software ABAQUS and numerical results are compared with experimental data.
AB - Metallic dampers represent one class of effective passive energy dissipation devices used to protect structures during earthquake excitation. In some cases, these devices can become partially or fully damaged, which in turn could lead to failure of the structural system. In the present study, a two surface damage thermoplasticity model is proposed to understand this inelastic behavior and to evaluate a potential damaged state of the metallic dampers. This model is formulated through a thermodynamic approach to damage mechanics based upon entropy production. Finally, the proposed model is implemented as a user subroutine in the finite element software ABAQUS and numerical results are compared with experimental data.
UR - https://www.scopus.com/pages/publications/84867154051
M3 - Conference contribution
AN - SCOPUS:84867154051
SN - 9781617388446
T3 - 9th US National and 10th Canadian Conference on Earthquake Engineering 2010, Including Papers from the 4th International Tsunami Symposium
SP - 4245
EP - 4254
BT - 9th US National and 10th Canadian Conference on Earthquake Engineering 2010, Including Papers from the 4th International Tsunami Symposium
T2 - 9th US National and 10th Canadian Conference on Earthquake Engineering 2010, Including Papers from the 4th International Tsunami Symposium
Y2 - 25 July 2010 through 29 July 2010
ER -