Dynamics and Bifurcations Day 2014

Analysis and Geometry Group, FMIPA ITB is organizing a one day seminar on Dynamics and Bifurcations. This event will take place on: 27th of September 2014, at LabTek III, Institut Teknologi Bandung.

13:00 – 14:00 Wim van Horssen, Department of Applied Mathematics, TU Delft, the Netherlands.

On the oscillations of elastic structures: Modelling and mathematical analysis

In this lecture we will discuss two mathematical models describing vibrations of elastic structures. In the first model we will consider the rain-wind induced oscillations of a cable of a cable-stayed bridge. In the second model we will study the transversal vibrations of an elevator cable. Both models will be discussed in detail, and it will be shown how elementary and advanced mathematical methods in the field of (ordinary and partial) differential equations and in the field of difference equations can be used to compute resonances and autoresonances in the elastic structures.

14:00-14:45 Alexander A. Iskandar, Physics of Magnetism and Photonic Group, Bandung Institute of Technology.

Dynamic Optical Response of Metal Nano Particle – Semiconductor Quantum Dot Hybrid

The optical response of a nano heterodimer comprising a semiconductor quantum dot (SQD) and a metallic nanoparticle (MNP) has been found to produce a nonlinear coupling between the dipole moment of the SQD and the surface plasmon field of the MNP. This nonlinear interaction gives rise to a characteristics S-shaped variation of SQD population difference versus the input light intensity that shows bistability behavior of the system.

14:45-15:30 Eric Harjanto, Analysis and Geometry Group, Bandung Institute of Technology.

Title: On a Predator-Prey Type of Systems with Group Defense Mechanism and Seasonal Variation.

15:30-16:15 J.M. Tuwankotta , Analysis and Geometry Group, Bandung Institute of Technology.

Title: Two-dimensional Maps Derived from A Double-Discrete sine-Gordon Equation.


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