The following companies may be of interest to you . . .
1. CivilEngineering Analysis Software Nastran Finite Element Analysis (FEA) software analyzes all structures - concrete slabs, frames, trusses, masts, geodesics and more. Simulate all loading e. G. Seismic, wind, snow, impact. www.nenastran.com
2. RAM CivilEngineeringSoftware Structural engineering analysis, design and drafting software, for all types of structures, including steel, pt or r/c concrete, wood, and cold-formed steel. Free demos available. www.ramint.com
4. Free CivilEngineeringSoftware Runoff hydrographs, ponds, culverts weirs, channels, hydraulics and more. HydroCAD stormwater modeling system simplifies all your TR-20, TR-55 and SBUH watershed designs. www.hydrocad.net
8. Structural EngineeringSoftware Structural solutions - design and analysis software. Digital Canal offers concrete, retaining and masonry wall, footings, steel and timber beam design software. Click here for a free demo. www.digitalcanal.com