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To simulate single dielectric sphere, refractive index = 1.5 , radius = 200 nm (diameter=400nm) and then observe the scattering-absorption spectrum
To simulate single dielectric sphere, refractive index = 1.5 , radius = 200 nm (diameter=400nm) and then observe the scattering-absorption spectrum
Theoretical Solution refer to this web
Theoretical Solution refer to this web
https://nanocomposix.com/pages/tools
Example results and CAD download
Example results and CAD download
https://drive.google.com/open?id=1Uv2RbywPTq1OGuS2a3jc4sSgNt1eLlmi
*.FCstd is the save file of FreeCAD
Add the boundary of the CAD files (FreeCAD)
Add the boundary of the CAD files (FreeCAD)
Reference : 3D-CAD Simulation & Examples
Reference : 3D-CAD Simulation & Examples
Define Parameters
Define Parameters
1. Selected the simulation dimension.
1. Selected the simulation dimension.
2. Define total x, y, z length that equal to CAD, and then set a appropriate resolution.
2. Define total x, y, z length that equal to CAD, and then set a appropriate resolution.
3. Import CAD files.
3. Import CAD files.
4. Define the material of each CAD.
4. Define the material of each CAD.
5. Press【建立網格 Cad to Grids (Create)】button to create simulation grids.
5. Press【建立網格 Cad to Grids (Create)】button to create simulation grids.
* Dielectric Constant of Sphere define n^2 = 1.5^2 = 2.25,
* Dielectric Constant of Sphere define n^2 = 1.5^2 = 2.25,
Due to FreeCAD default unit is mm, and in this case the sphere unit is nm. If use nm unit in FreeCAD, the resolution of output STL file will not enough. So, at here express
Due to FreeCAD default unit is mm, and in this case the sphere unit is nm. If use nm unit in FreeCAD, the resolution of output STL file will not enough. So, at here express
"the unit can directly transform between any unit, nm <=> um <=> mm "
"the unit can directly transform between any unit, nm <=> um <=> mm "
A. Define the boundary conditions
A. Define the boundary conditions
B. Press the【創建 (Create)】button => Create the total grid size (Include the boundary condition & add space)
B. Press the【創建 (Create)】button => Create the total grid size (Include the boundary condition & add space)
To simulate the Scattering-Absorption spectrum, select the (TFSF-RCS) radar cross section source
To simulate the Scattering-Absorption spectrum, select the (TFSF-RCS) radar cross section source
Checked out the simulation geometries, and then press 【輸出 Output】button to output the geometries files
Checked out the simulation geometries, and then press 【輸出 Output】button to output the geometries files
Data_Materials.csv // (simulation index of structures)
Data_Materials.csv // (simulation index of structures)
Theoretical Solution refer to this web
Theoretical Solution refer to this web
https://nanocomposix.com/pages/tools
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