Using the boundary element method for this simulation negates the need for defining a finite modeling domain and boundary as well as meshing the thin volume of the capacitor.Īpplication Library path for an example using the Electrostatics, Boundary Elements interface: ACDC_Module/Capacitive_Devices/capacitor_tunable New Study Step: Stationary Source SweepĪ new Stationary Source Sweep custom study is available for faster calculation of lumped parameters in the Electrostatics, Electric Currents and Electrostatics, Boundary Elements interfaces. The electric field and potential are shown as an arrow plot, while the induced surface charge density is plotted on the electrode surfaces. The electrostatic behavior of a tunable capacitor modeled using boundary elements. As an example, you could use a combination of the two interfaces to include the effects of an infinite space instead of using the Infinite Element Domain feature. The Electrostatics, Boundary Elements interface can also be combined with the finite-element-based Electrostatics interface, using the Boundary Electric Potential Coupling multiphysics node. Note that the electric potential distribution on the boundaries must be explicitly defined, so you need constant material data within the domains. This new interface can be used as an alternative to the Electrostatics interface for computing the potential distribution in dielectrics, and is particularly convenient for structures that are difficult to mesh. The physics interface, available in 2D and 3D, solves Laplace's equation for the electric potential using the scalar electric potential as the dependent variable. The formulation is based on the boundary element method (BEM). The new Electrostatics, Boundary Elements interface has been developed for building and running models that are not well suited for the finite element method (FEM).
New Physics Interface: Electrostatics, Boundary Elements Review all of the AC/DC Module updates in more detail below.
Interfacing tools enable the integration of COMSOL Multiphysics simulation with all major technical computing and CAD tools on the CAE market.For users of the AC/DC Module, COMSOL Multiphysics ® version 5.3 brings a new Electrostatics, Boundary Elements physics interface, a new Stationary Source Sweep study step, and several new tutorial models. Add-on products expand the simulation platform for electrical, mechanical, fluid flow, and chemical applications. A particular strength is its ability to account for coupled or multiphysics phenomena.
Its flagship product, COMSOL Multiphysics, is a software environment for modeling and simulating any physics-based system. With this release, we bring you a number of upgrades to the Application Builder and COMSOL Server as well as various improvements to our other existing products.ĬOMSOL provides simulation software for product design and research to technical enterprises, research labs, and universities through 18 offices and a distributor network throughout the world. Comsol Multiphysics 5.3.0.316 Win/Linux/MacĬOMSOL, the leading provider of multiphysics modeling and simulation software, has released version 5.2 of COMSOL Multiphysics software, is a general-purpose software platform, based on advanced numerical methods, for modeling and simulating physics-based problems.