COMSOL Multiphysics now has general support for import and export of the additive manufacturing formats PLY and 3MF, in addition to the STL format that is already available. A new smoothing operation for topology optimization ensures higher-quality geometry outputs that can be used for additional analysis and additive manufacturing. The Optimization Module now offers simplified setup of shape optimization with new built-in features such as moving boundaries parameterized by polynomials and built-in support for shell thickness optimization. Users working with mechanical, acoustics, electromagnetics, heat, fluid and chemical analysis have been able to perform shape and topology optimization in COMSOL Multiphysics for many years. Simplified Shape and Topology Optimization with the Optimization Module The flow models cover linear and nonlinear flow in saturated and variably saturated media with special options for slow and fast porous media flows. The multiphysics simulation capabilities are extensive, with functionality that includes options for calculating effective thermal properties for multicomponent systems poroelasticity and transport of chemical species in solid, liquid, and gas phases. The new add-on product includes functionality for single- and multiphase flow in porous media, drying and transport in fractures. The Porous Media Flow Module gives users within, for example, food, pharmaceutical, and biomedical industries a wide range of transport analysis capabilities for porous media. We envision users combining this with, for example, the Heat Transfer Module for the influence of heat radiation, the AC/DC Module for induction hardening, and the Nonlinear Structural Materials Module for highly predictive analysis of material behavior." "The module can be combined with any of the other COMSOL products for virtually any kind of multiphysics analysis that includes metal phase change.
"The Metal Processing Module makes it possible to predict deformations, stresses, and strains resulting from wanted or unwanted heat-driven phase changes in metals," said Mats Danielsson, technical product manager at COMSOL. The new Metal Processing Module makes metal phase transformation analysis accessible within the COMSOL Multiphysics environment for applications within welding, heat treatment, and metal additive manufacturing. The new solver can be used to analyze enclosed structures such as that of a car cabin interior as well as other acoustics simulations. The fluid-structure acoustics coupling is available in the Acoustics Module.įor frequency-domain simulations, a specialized solver for wave propagation analysis makes it possible to handle higher frequencies (shorter wavelengths) using the finite element method. The new elastic wave functionality is available for users of the Structural Mechanics Module, MEMS Module, and Acoustics Module. The included multiphysics capabilities can seamlessly combine linear elastic wave propagation in a solid and its transition to a fluid as an acoustic pressure wave, and back again. The method also has low frequency applications, such as in seismology. New functionality based on the time-explicit discontinuous Galerkin method enables efficient multicore computations of ultrasound propagation in solids and fluids, including realistic materials featuring damping and anisotropy. Ultrasound technology is becoming increasingly important in a wide range of applications spanning from process engineering and nondestructive testing to consumer electronics. New Solver Technology for Acoustics Simulations "The new tools for dimensions and constraints can be used together with model parameters in COMSOL Multiphysics to drive the simulation, whether for a single run, parametric sweep, or parametric optimization." "We have carefully integrated the new dimensions and constraints tool in the Model Builder so that it becomes a natural part of the COMSOL Multiphysics workflow," said Daniel Bertilsson, technology manager for mathematics and computer science at COMSOL. The Design Module provides a new sketching tool that makes it easy to assign dimensions and constraints to planar drawings for 2D models and 3D work planes. Powerful Parametric Sketching with Dimensions New and updated solvers speed up a wide range of simulations. Two new add-on products, the Porous Media Flow Module and the Metal Processing Module, further expand the product suite's multiphysics modeling power. In version 5.5, the Design Module provides an entirely new sketching tool for easier creation and more versatile parametric control of geometry models. COMSOL announces the latest version of its COMSOL Multiphysics® software.
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