Furthermore, an internal contour cannot be placed within another internal contour (see figures). However, this contours cannot intersect or be mutually tangent. Multiple contours are allowed, representing elements that are multiply-connected (ie. It contains a collection of straight segments, circular and/or elliptical arcs that define a closed path (open contours are not supported). mesh file that can be generated and modified using the Arbitrary Shape Editor integrated in FEST3D. The contour of the Arbitrary shape (constant width/height) discontinuity is described in a. Additionally, the user must define whether the 2D contour is extruded in the direction of the width (A) or height (B) of the connected waveguides by choosing the appropriate "Constant height" or "Constant width" radio button. In order to geometrically define a Arbitrary shape (constant width/height) discontinuity, one must describe the arbitrary 2D contour of the component and the position of the ports. In addition, the centre of these waveguides must be contained in the same plane (perpendicular to the constant direction) as shown in the following figures. It is employed to model rectangular waveguide junctions where all the waveguides have the same width (parameter 'A') or height (parameter 'B'). The Arbitrary shape (constant width/height) discontinuity represents a microwave circuit that is constant along a certain direction, but is otherwise arbitrary in the normal plane.
#Types of shapes of constant width how to#
How to create, edit and use this element from FEST3D. Using the Arbitrary shape (constant width/height) The possible errors produced by this element, and solutions or workarounds to them. What are the limitations you should be aware of. What is exactly a Arbitrary shape (constant width/height) discontinuity. The Const width/height arbitrary shape discontinuity section contains the following topics: This section describes the Arbitrary shape (constant width/height) discontinuity and how to use it, as well as its features and limitations.
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