693.932 PEOPLE
| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Sigmund, Ole
Technical University of Denmark
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (47/47 displayed)
- 2024Vibroacoustic topology optimization for sound transmission minimization through sandwich structurescitations
- 2024Adding friction to Third Medium Contact:A crystal plasticity inspired approachcitations
- 2024Experimental realization of deep sub-wavelength confinement of light in a topology-optimized InP nanocavitycitations
- 2024Adding friction to Third Medium Contact: A crystal plasticity inspired approachcitations
- 2023Holistic computational design within additive manufacturing through topology optimization combined with multiphysics multi-scale materials and process modellingcitations
- 2023Inverse design of mechanical springs with tailored nonlinear elastic response utilizing internal contactcitations
- 2021Plate microstructures with extreme stiffness for arbitrary multi-loadingscitations
- 2021Topology optimization of microvascular composites for active-cooling applications using a geometrical reduced-order modelcitations
- 2021On the competition for ultimately stiff and strong architected materialscitations
- 2020EML webinar overview: Topology Optimization — Status and Perspectivescitations
- 2019Simple single-scale interpretations of optimal designs in the context of extremal stiffness
- 2019Simple single-scale interpretations of optimal designs in the context of extremal stiffness
- 2019Homogenization-based stiffness optimization and projection of 2D coated structures with orthotropic infillcitations
- 2018Benchmarking state-of-the-art numerical simulation techniques for analyzing large photonic crystal membrane line defect cavities
- 2018Benchmarking state-of-the-art numerical simulation techniques for analyzing large photonic crystal membrane line defect cavities
- 2018Benchmarking state-of-the-art optical simulation methods for analyzing large nanophotonic structures
- 2018Benchmarking state-of-the-art optical simulation methods for analyzing large nanophotonic structures
- 2018Benchmarking five numerical simulation techniques for computing resonance wavelengths and quality factors in photonic crystal membrane line defect cavitiescitations
- 2018Which Computational Methods Are Good for Analyzing Large Photonic Crystal Membrane Cavities?
- 2018Which Computational Methods Are Good for Analyzing Large Photonic Crystal Membrane Cavities?
- 2018Investment casting and experimental testing of heat sinks designed by topology optimizationcitations
- 2018Benchmarking five numerical simulation techniques for computing resonance wavelengths and quality factors in photonic crystal membrane line defect cavitiescitations
- 2017Comparison of Five Computational Methods for Computing Q Factors in Photonic Crystal Membrane Cavities
- 2017Comparison of Five Computational Methods for Computing Q Factors in Photonic Crystal Membrane Cavities
- 2017Benchmarking five computational methods for analyzing large photonic crystal membrane cavitiescitations
- 2017Benchmarking five computational methods for analyzing large photonic crystal membrane cavitiescitations
- 2016Creating Materials with Negative Refraction Index using Topology Optimization
- 2016Comparison of four computational methods for computing Q factors and resonance wavelengths in photonic crystal membrane cavities
- 2016Comparison of four computational methods for computing Q factors and resonance wavelengths in photonic crystal membrane cavities
- 2015Topology Optimized Architectures with Programmable Poisson's Ratio over Large Deformationscitations
- 2014Design of manufacturable 3D extremal elastic microstructurecitations
- 2014Design of materials with prescribed nonlinear propertiescitations
- 2014On the realization of the bulk modulus bounds for two-phase viscoelastic compositescitations
- 2013A Review of the Scattering-Parameter Extraction Method with Clarification of Ambiguity Issues in Relation to Metamaterial Homogenizationcitations
- 2012Robust topology design of periodic grating surfacescitations
- 2012Inverse design of dielectric materials by topology optimizationcitations
- 2012Towards all-dielectric, polarization-independent optical cloakscitations
- 2012Optimized manufacturable porous materials
- 2012Enhancing the Damping Properties of Viscoelastic Composites by Topology Optimization
- 2011Modelling of Active Semiconductor Photonic Crystal Waveguides and Robust Designs based on Topology Optimization
- 2011Modelling of Active Semiconductor Photonic Crystal Waveguides and Robust Designs based on Topology Optimization
- 2011Minimal compliance design for metal–ceramic composites with lamellar microstructurescitations
- 2010Extreme non-linear elasticity and transformation optics
- 2008Rapid prototyping of nanotube-based devices using topology-optimized microgripperscitations
- 2007Topology optimization of acoustic-structure interaction problems using a mixed finite element formulationcitations
- 2000A new Class of Extremal Compositescitations
- 2000Multiphase composites with extremal bulk moduluscitations
Places of action
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article
A Review of the Scattering-Parameter Extraction Method with Clarification of Ambiguity Issues in Relation to Metamaterial Homogenization
Abstract
The scattering-parameter extraction method of metamaterial homogenization is reviewed to show that the only ambiguity is that related to the choice of the branch of the complex logarithmic function (or the complex inverse cosine function). It is shown that the method has no ambiguity for the sign of the wavenumber and intrinsic impedance. While the method indeed yields two signs for the intrinsic impedance and thus the wavenumber, the signs are dependent. Moreover, both sign combinations lead to the same permittivity and permeability, and are thus permissible. This observation is in distinct contrast to a number of statements in the literature where the correct sign of the intrinsic impedance and wavenumber resulting from the scattering-parameter method is chosen by imposing additional physical requirements, such as passivity. The scattering-parameter method is reviewed through an investigation of a uniform plane wave normally incident on a planar slab in free space. The severity of the branch ambiguity is illustrated through simulations of a known metamaterial realization. Several approaches for proper branch selection are reviewed, and the suitability to metamaterial samples is discussed.