Lumion Student is a free professional tool for architecture ... one can quickly test ideas as they are created in the chosen 3D software. Communicate with confidence - Lumion makes storytelling ...
All the options discussed here are free, but some are scaled-down versions of programs with additional capabilities that you have to pay for. I've used 3D modeling software to lay out renovations ...
The purpose of this work was to build two ocean-acoustic programs in 2D and 3D able to predict the propagation of sound in a real ocean environment. The propagation models used are ocean-acoustic ray ...