Version 4.3 of the COMSOL Multiphysics modeling and simulation software is now available, with a number of improvements and increased functionality. COMSOL Multiphysics 4.3 includes three new discipline-specific add-on modules, fast and powerful meshing, a "Double Dogleg" solver for mechanical contact and highly nonlinear simulations, and a number of user-inspired enhancements. With this latest release, users can run multiple-parameter sweeps with easy specification of one or more parameters, performing sweeps for all of the parameters or for a subset of them. User interfaces for cluster and batch sweeps facilitate defining massively parallel and independent parametric sweeps. Visualizations of results from these parameter sweeps can be easily selected to include combinations of the swept parameters in a single presentation. The modules for electrical, mechanical, fluid-flow, and chemical simulations have all been updated with exciting new features and capabilities. In addition, this latest version of the software features a user interface within the AC/DC module for modeling three-dimensional (3D) rotating mechanical designssuch as rotary jointsas well as for generators, brushless motors, and equipment with brushed DC motors.

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