Trench Geometry

#include <psMakeTrench.hpp> 

The MakeTrench class is used to generate a new trench geometry extending in the z (3D) or y (2D) direction, centrally positioned at the origin with the total extent specified in the x and y directions. The trench configuration may include periodic boundaries in both the x and y directions. Users have the flexibility to define the trench’s width, depth, and incorporate tapering with a designated angle. Moreover, the trench can serve as a mask, applying the specified material exclusively to the bottom while the remaining portion adopts the mask material.

// namespace viennaps
MakeTrench(DomainType domain, 
           const NumericType gridDelta,
           const NumericType xExtent, 
           const NumericType yExtent,
           const NumericType trenchWidth,
           const NumericType trenchDepth,
           const NumericType taperingAngle = 0., // in degrees
           const NumericType baseHeight = 0.,
           const bool periodicBoundary = false,
           const bool makeMask = false,
           const Material material = Material::None)

Parameter	Description	Type
`domain`	Specifies the type of domain for the trench geometry.	`SmartPointer<Domain<NumericType, D>>`
`gridDelta`	Represents the grid spacing or resolution used in the simulation.	`NumericType`
`xExtent`	Defines the extent of the trench geometry in the x-direction.	`NumericType`
`yExtent`	Specifies the extent of the trench geometry in the y-direction.	`NumericType`
`trenchWidth`	Sets the width of the trench.	`NumericType`
`trenchDepth`	Determines the depth of the trench.	`NumericType`
`taperingAngle`	(Optional) Specifies the angle of tapering for the trench geometry in degrees. Default is set to 0.	`NumericType`
`baseHeight`	(Optional) Sets the base height of the trench. Default is set to 0.	`NumericType`
`periodicBoundary`	(Optional) If set to true, enables periodic boundaries in both x and y directions (only applicable in 3D). Default is set to false.	`bool`
`makeMask`	(Optional) If set to true, allows the trench to function as a mask, with specified material applied only to the bottom. Default is set to false.	`bool`
`material`	(Optional) Specifies the material used for the trench. Default is set to `Material_None`.	`Material`

Example usage:

C++

// namespace viennaps
auto domain = SmartPointer<Domain<NumericType, D>>::New();
MakeTrench<NumericType, D>(domain, 0.5, 10.0, 10.0, 5.0, 5.0, 10., 0.,
                            false, false, Material::Si)
    .apply();

Python

domain = vps.Domain()
vps.MakeTrench(domain=domain,
              gridDelta=0.5,
              xExtent=10.0,
              yExtent=10.0,
              trenchWidth=5.0,
              trenchDepth=5.0,
              taperingAngle=10.0,
              baseHeight=0.0,
              periodicBoundary=False,
              makeMask=False,
              material=vps.Material.Si,
             ).apply()