gpvdm is a free general-purpose tool for the simulation of opto-electronic devices. It was originally written to simulate organic solar cells, but it has now been been extended to simulate other classes of device, including OLEDs, OFETs and many other types of 1st, 2nd and 3rd generation solar cells.
PMWIN is one of the most complete groundwater simulation systems in the world
E-Cell System software suite helps you analyze large scale complex systems.
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