000021968 001__ 21968
000021968 005__ 20170622131315.0
000021968 04107 $$aeng
000021968 046__ $$k2017-06-15
000021968 100__ $$aDiamantopoulos, Spyros
000021968 24500 $$aSIMPLIFIED FINITE ELEMENT MODELS FOR THE DYNAMIC RESPONSE ASSESSMENT OF RIGID AND FLEXIBLE BLOCKS

000021968 24630 $$n6.$$pComputational Methods in Structural Dynamics and Earhquake Engineering
000021968 260__ $$bNational Technical University of Athens, 2017
000021968 506__ $$arestricted
000021968 520__ $$2eng$$aThe paper examines different approaches for modeling the seismic response of blocks that are either rigid or flexible. Simple models that are based on beam-column elements and can be implemented with common finite element (FE) software are developed. We first study rigid blocks and we compare our findings with results obtained solving directly the block’s equation of motion as derived by Housner’s theory. We compare different single-degree-of-freedom (SDOF) models which consist of a rigid beam connected to a zero-length, non-linear rotational spring with negative-stiffness, while different options for modelling energy dissipation are considered. The proposed models are compared using simple wavelets and natural ground motion records producing accurate results in all cases. The proposed FE approach allows to also study flexible blocks offering a modeling that is simple and able to provide very accurate solutions using tools that are widely available in existing software, or easy to implement in a FE code.

000021968 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000021968 653__ $$arocking structures, rigid blocks, flexible blocks, seismic response, FEM modeling, non-linear response history analysis.

000021968 7112_ $$aCOMPDYN 2017 - 6th International Thematic Conference$$cRhodes Island (GR)$$d2017-06-15 / 2017-06-17$$gCOMPDYN2017
000021968 720__ $$aDiamantopoulos, Spyros$$iFragiadakis, Michalis
000021968 8560_ $$ffischerc@itam.cas.cz
000021968 8564_ $$s1889260$$uhttps://invenio.itam.cas.cz/record/21968/files/18500.pdf$$yOriginal version of the author's contribution as presented on CD, section: [MS30] Dynamics and Seismic Response of Rocking and Self-centering Structures
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000021968 962__ $$r21500
000021968 980__ $$aPAPER