Impedance Functions for Double-D-Shaped Caisson Foundations

The evaluation of impedance functions in the analysis of foundations vibrations using boundary element method

The basic step in the substructure approach based on discretization of the soil medium for the soil–structure interaction problems is to determine the impedance functions which are defined as the complex dynamic-stiffness coefficients of the soil-footing system are used in the analysis of foundations vibrations. In this study, the discrete values of impedance functions over wide ranges of frequ...

High extinction ratio D-shaped fiber polarizers coated by a double graphene/PMMA stack.

We demonstrate theoretically and experimentally a high extinction ratio and compact size TE-pass polarizer made by a D-shaped fiber coated with a double graphene/PMMA stack. The light propagating in the core of the fiber can be efficiently coupled into the graphene sheet thanks to the giant enhancement of the modal evanescent field associated with the high refractive index graphene/PMMA claddin...

Institute for Mathematical Physics on the Foundations of Nonlinear Generalized Functions I on the Foundations of Nonlinear Generalized Functions I

We construct a diieomorphism invariant (Colombeau-type) diierential algebra canonically containing the space of distributions in the sense of L. Schwartz. Employing diierential calculus in innnite dimensional (convenient) vector spaces, previous attempts in this direction are uniied and completed. Several classiication results are achieved and applications to nonlinear diierential equations inv...

A Double E Shaped Microstrip Patch Antenna for Multiband Applications

This paper presents a dual band Compact double E shaped Microstrip Patch antenna with enhanced gain for Worldwide Interoperability for Microwave Access (WI-MAX), Universal Mobile Telecommunication Systems (UMTS) and Satellite applications. The modified E shaped patch antenna is designed using CADFEKO and the results of return loss, Voltage Standing Wave Ratio (VSWR), gain of the proposed antenn...

Munchausen's syndrome simulating caisson disease.