Boundary Types(2D) Balloon: Balloon boundary can be of two types Voltage: Models the case where the voltage at infinity is zero Charge: Models the case where the charge at infinity matches the charge in solution region forcing net charge to be zero 2013 ANSYS, Inc. Applied to external boundaries of domain. Symmetry Boundary: Enable users to model only part of a structure, which reduces the size or complexity of design, thereby shortening the solution time.
This boundary condition matches the electric field at the slave boundary to the field at the master boundary based on U and V vectors defined.
May 21, Release 14.5.ħ Boundary Conditions Boundary Types (2D & 3D): Master/Slave: Enable users to model only one period of a periodic structure, which will reduce the size of a design. Insulating: E Field can be discontinues across the insulating boundary Can be used to model thin layer of insulation by specifying Permittivity for the layer 2013 ANSYS, Inc. E Field is tangential to the boundary and flux cannot cross it. Neumann: For exterior boundaries of solution domain. Normal component of the D Field at the boundary changes by the amount of surface charge density on the boundary. Boundary Conditions Assigning Boundary Conditions in 3D Boundary conditions define behavior of the electric field at the interfaces or the edges of the problem region A boundary can be assigned to a face from menu item Maxwell 3D Boundaries Assign and select the required boundary assignment Boundary Types(3D) Default (No Boundary Assigned): When no boundary is specified for a surface following two treatments are assigned based on the surface position Natural: For the boundaries on the interface between objects. This classification is determined by the insulator/conductor material threshold setting defined under Maxwell 3D/2D Design Settings Material Thresholds Can be Simple or Anisotropic 2013 ANSYS, Inc. Owner Manual 1995 Terry 5th Wheel on this page.
Relative permittivity can be Simple or anisotropic Bulk Conductivity: Defines whether an object is a conductor (treated as a perfect conductor in the Electrostatic solver) or an insulator. Material Definition Electrostatic Material Properties In a Electrostatic simulation, the following parameters may be defined for a material: Relative Permittivity: Permittivity (ɛ) is give as ɛ 0 *ɛ r Relative permittivity(ɛ 0 ) determines the electric field solution in the insulators.
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