RISA 2D 20.0

RISA-2D is a general-purpose 2-dimensional analysis and design program. This program has been developed to make the definition, solution and modification of 2D structural models as fast and easy as possible. Analysis, up to and including calculation of maximum deflections and stresses, may be done on structures constructed of any material or combination of materials. Complete steel and wood design are also included in the program.

RISA-2D has full graphical modeling capability. You can draw your model on the screen and also perform extensive
graphical editing simultaneously in multiple views. To modify your model data directly, RISA-2D employs a powerful, proprietary spreadsheet. All this combined with flexible data generation algorithms makes modeling very easy. Graphic display of the model along with applied loads, boundary conditions and much more, is always available. The model can be rapidly edited, solved, viewed, modified, re-solved, etc.

The truly interactive nature of RISA-2D is its primary strength. RISA-2D is also able to perform elaborate error checking as you define the model, and offers context sensitive help every step of the way.
RISA-2D is an interactive program as opposed to a batch mode program. With a batch mode program, you would edit a text file in one program (typically called a pre-processor), and then solve it with another program, and then view the solution results in yet another program (typically called a post-processor). With RISA-2D, all model editing, model solution, and results browsing is accomplished through the same interface and with the same program.