Model Exchange

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Displaying entries 11-20 out of 71.

Allen-Cahn (nonlinear reaction diffusion) Equation

Huashan Sheng (盛华山), Department of Mathematics, Shanghai JiaoTong University (上海交通大学数学系)
Last updated: September 1, 2015

4 reviews

The Allen–Cahn equation ( John W. Cahn and Sam Allen) is a nonlinear reaction-diffusion equation of mathematical physics which describes the process of phase separation in iron alloys including...

A test about discontinuous Galerkin (dG) method for Poisson Equation

Huashan Sheng (盛华山), Department of Mathematics, Shanghai JiaoTong University (上海交通大学数学系)
Last updated: September 1, 2015

1 review

Most FEM are absed on the continuous Galerkin (cG) method, a finite element method formulated relative to a weak formulation of a particular model system. Unlike traditional FEM (cG) methods that...

Convection dominated Convection-Diffusion Equation by upwind discontinuous Galerkin (dG) method

Huashan Sheng (盛华山), Department of Mathematics, Shanghai JiaoTong University (上海交通大学数学系)
Last updated: September 1, 2015

1 review

We consider the Convection-Diffusion Equation with very small diffusion coefficient $\mu$: \[ -mu\Delta u + \mathbf{\beta}\dot\nabla u =f \mathrm{in}~ \Omega u=g(x,y) \mathrm{on}~...

Microsphere resonator

Felipe Beltran-Mejia, INATEL
Last updated: August 19, 2015

3 reviews

This model reproduces the simulation results from: http://dx.doi.org/10.1063/1.4801474 Solutions were stripped so you will have to run the simulation to see the results. That may take a while...

3D fiber coupler

Felipe Beltran-Mejia, INATEL
Last updated: August 12, 2015

9 reviews

Optical fiber coupler, based on the tutorial "Directional Coupler" using the Wave Optics module with Comsol version 4.4.0.248.

2D Directional Coupler

Felipe Beltran-Mejia, INATEL
Last updated: July 3, 2015

7 reviews

A simplification of the 3D directional coupler using the RF Module and Boundary Mode Analysis. Just download and compute to see the results. Made with Comsol version 4.4.0.248. Enjoy!

Material: Water H2O

Micke Malmström, KTH
Last updated: May 20, 2015

3 reviews

Just open and save material to your own User-Defined Library, or copy the Interpolations to your own material. Hale and Querry 1973- Water; n,k 0.2-200 µm; 25 °C Data from:...

Material: Fused Silica with sellmeier refractive index

Micke Malmström, KTH
Last updated: May 20, 2015

Not rated

Material Fused Silica, just open and save material to your own User-Defined Library, or copy the equation to your own material. Refractive index data (0.21-3.71 µm) based on Sellmeier equation...

Material: Cr with Refractive index

Micke Malmström, KTH
Last updated: May 20, 2015

1 review

Data from: http://refractiveindex.info/?shelf=main&book=Cr&page=Rakic Original data: A. D. Rakić, A. B. Djurišic, J. M. Elazar, and M. L. Majewski. Optical properties of metallic films for...