Apps similar to arb include FEATool Multiphysics, which has a free version. Other options are COMSOL Multiphysics and COSMOSWorks. In total there are three CAD Software like arb for Windows, Linux and Mac.
FEATool Multiphysics is a fully integrated physics modeling and engineering simulation environment, featuring built-in CAD and geometry tools, pre-processing and grid generation, solvers, post-processing and visualization.
COMSOL Multiphysics is an engineering, design, and finite element analysis software environment for the modeling and simulation of any physics-based system.
COSMOSWorks provides easy to use yet powerful design validation and optimization tools for designers and engineers alike. COSMOSWorks enables faster, less costly, and more optimized product development, as well as more in-depth examination of product performance than would ever...
