Flex2D (formerly OSXFlex2D) is a program that implements the "elastic" , "flexural" model. Flexural modeling is not a difficult task but it is tedious. OSXFlex2D makes flexural modeling easy.
Flex2D uses the SM2DGraphView Framework by Snowmint Creative Solutions: SM2DGraphView Copyright © 2002-2005 Snowmint Creative Solutions LLC: http://www.snowmintcs.com/.
Flex2D is freeware. The source code is available upon request.
Please report bugs and suggestions to Nestor Cardozo.