Static and Dynamic Structural Analysis of 2D and 3D frames.
FRAME3DD is a program for the static and dynamic structural analysis of two- and three-dimensional frames and trusses with elastic and geometric stiffness.
...If you use MIST in your own simulation work, please cite is as
G. Vajente, "Fast modal simulation of paraxial optical systems: the MIST open source toolbox"
Classical and Quantum Gravity 30, 075014 (2013)