1,721,740 research outputs found
GU-Q organises roundtable on teaching Arabic
No full textThe Arabic Heritage Programme at Georgetown Qatar University (GU-Q) held a roundtable on teaching Arabic in the context of the Common European Framework of Reference for Languages (CEFRL) and comparing it to other references and frameworks, such as the standards of the American Council on Teaching of Foreign Languages (ACTFL)
Elastoplastic model for response and response sensitivity analysis of metallic dissipative devices and implementation in OpenSees
No full textAn elastoplastic model for metallic hysteretic dissipative devices allowing a straightforward physical interpretation of the constitutive parameters of the model, explicit computation of response quantities related to failure and dissipated energy, is implemented into OpenSees. The implemented algorithms include response and consistent response sensitivity results to the constitutive model parameters. Specifically, response sensitivity results are obtained through the direct differentiation method (DDM) and their derivation and implementation validated through the forward finite difference method (FDM). Selected results response sensitivity analysis and a simulated model updating problem are illustrated and discussed using as a case study a realistic multi-storey steel frame with BRBs subjected to a set of seismic accelerations
Elastoplastic model for buckling-restrained braces: response and response sensitivity analysis
No full textBuckling-restrained braces (BRBs) permit exploiting the hysteretic properties of their core material both in tension and compression. However, the global behaviour of BRBs does not fully replicate the local behaviour of their core material and requires the use of specific constitutive models. In this paper a recently developed elastoplastic constitutive model for BRBs is reviewed and its implementation in OpenSees discussed. Such model allows a straightforward physical interpretation and identification of the constitutive parameters as well as direct computation of response quantities related to failure and dissipated energy, with good predictions of the experimental behaviour. The algorithms implemented in OpenSees include response and consistent response sensitivity to the constitutive parameters of the BRB model. Selected results for response and response sensitivity analysis are illustrated and discussed using as testbed structure a realistic steel frame with BRBs
Model for response and response sensitivity analyses of BRBs in OpenSees
No full textBuckling-restrained braces (BRBs) permit exploiting the hysteretic properties of their core material both in tension and compression. However, the global behaviour of BRBs does not fully replicate the local behaviour of their core material and requires the use of specific constitutive models. In this paper a recently developed elastoplastic constitutive model for BRBs is reviewed and its implementation in OpenSees discussed. Such model allows a straightforward physical interpretation and identification of the constitutive parameters as well as direct computation of response quantities related to failure and dissipated energy, with accurate predictions of the experimental behaviour. The algorithms implemented in OpenSees include response and consistent response sensitivity to the constitutive parameters of the BRB model. Selected results for response and response sensitivity analysis are illustrated and discussed using as case study a realistic steel frame with BRBs
The Interaction Between professional, Personal and Contextual Influences and Notions of Relative and Relational Effectiveness: Findings from VITAE.
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Variations in Teachers’ Work, Lives and their Effects on Pupils (VITAE): The key findings.
No full textEditorial: Soil microbiome community and functional succession mechanism driven by different factors in agricultural ecology
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