Search Results - "Londoño, Julián M."

Identification of backbone curves of nonlinear systems from resonance decay responses by Londoño, Julián M., Neild, Simon A., Cooper, Jonathan E.

“…Backbone curves can offer valuable insight into the behaviour of nonlinear systems along with significant information about any coupling between the underlying…”
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Supporting brace sizing in structures with added linear viscous fluid dampers: A filter design solution by Londoño, Julián M., Wagg, David J., Neild, Simon A.

“…SUMMARY Viscous fluid dampers have proved to be effective in suppressing unwanted vibrations in a range of engineering structures. When dampers are fitted in a…”
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A noniterative design procedure for supplemental brace-damper systems in single-degree-of-freedom systems by Londoño, Julián M., Neild, Simon A., Wagg, David J.

“…SUMMARY In this paper, a method for designing supplemental brace–damper systems in single‐degree‐of‐freedom (SDOF) structures is presented. We include the…”
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Existence and stability of limit cycles in a delayed dry-friction oscillator by Londoño, Julián M., Serino, Giorgio, di Bernardo, Mario

“…Periodic, chaotic, chattering, and bifurcation behavior are fundamental consequences of the nonsmooth nature of systems with dry friction. This work is…”
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Identification of systems containing nonlinear stiffnesses using backbone curves by Londoño, Julián M., Cooper, Jonathan E., Neild, Simon A.

“…This paper presents a method for the dynamic identification of structures containing discrete nonlinear stiffnesses. The approach requires the structure to be…”
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Using a damper amplification factor to increase energy dissipation in structures by Londoño, Julián M., Neild, Simon A., Wagg, David J.

“…•The advantages of amplifying the velocity transmitted to non-linear dampers fitted within a structure were investigated.•We found a practical limit for the…”
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Experimental Issues in Testing a Semiactive Technique to Control Earthquake Induced Vibration by Caterino, Nicola, Spizzuoco, Mariacristina, Londoño, Julian M., Occhiuzzi, Antonio

“…This work focuses on the issues to deal with when approaching experimental testing of structures equipped with semiactive control (SA) systems. It starts from…”
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Direct optimisation based model selection and parameter estimation using time-domain data for identifying localised nonlinearities by Safari, Sina, Londoño Monsalve, Julián M.

“…A major difficulty when modelling nonlinear structures from experimental vibration data is to determine the type of nonlinear functions that will better…”
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Nutritional quality, nutrient uptake and biomass production of Pennisetum purpureum cv. King grass by Botero-Londoño, Julián M., Celis-Celis, Erika M., Botero-Londoño, Mónica A.

“…The research was conducted to determine the effects of cutting interval and fertilization on the nutritional quality, nutrient uptake, and biomass production…”
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Data-driven structural identification of nonlinear assemblies: Asymmetric stiffness and damping nonlinearities by Safari, Sina, Monsalve, Julián M. Londoño

“…Nonlinear model identification for mechanical structures is a challenging task, particularly when the structure exhibits asymmetric nonlinear behaviour related…”
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Effectiveness and safety of dupilumab in adults with moderate and severe atopic dermatitis in Colombia: Real-life experience by Londoño, Julián, Perez, Lucia, Moreno, Sergio, Chapman, Edgardo, Garcia, María Beatriz, Celis, Ana María, Muñoz, María Angélica, Castillo, David, Sánchez, Jorge, Arevalo, Yaicith, Lozano, Ana, Alvis-Zakzuk, Nelson J., Muñoz, Cesar, Botero, Laura, Beltran, Catalina, García, Elizabeth

“…Dupilumab is a treatment approved for uncontrolled moderate-to-severe atopic dermatitis (AD). Tropical and developing countries such as Colombia have…”
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Relation Of Sensibilization Among 10 Mites In A Tropical City. Sensitization Patterns According To Allergic Diseases by Londono, Julian E., MD, Sanchez, Jorge M, Sanchez, Andres, Calvo, Victor D, Diez, Libia S, Cardona, Ricardo

“…A generalized linear model of Poisson regression with a robust error variance to adjust the prevalence ratio (PR) by age, sex and type of allergic disease was…”
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