Abaqus

ABAQUS

https://web.mit.edu/search/?q=abaqus#gsc.tab=0&gsc.q=abaqus&gsc.page=1

https://abaqus-docs.mit.edu/2017/English/SIMACAEEXCRefMap/simaexc-c-docproc.htm

https://abaqus-docs.mit.edu/2017/English/SIMACAEELMRefMap/simaelm-c-beamelem.htm#hj-top

… updating

Degree of Freedom of a object in space is defined as number of independent variable required to completely constrain the motion of object.