Sketch vs Final − a recent work for Framasoft. I delivered many more today for them. Expect to see that published by September 😉
#krita
This little graphical demonstration shows one example of such a state. The #AnimatedGif was produced a routine written in #WxMaxima. 2/2
#Mathematics #TheoryOfElasticity #Mechanics #SolidMechanics #Engineering #MyWork #CCBYSA #WorkInProgress #FreeSoftware
In the #2D #elasticity, #equilibrium of #stresses can be represented on an infinitesimal rectangular element with components of both #DirectStress and #ShearStress generally acting on all four edges. If you were to rotate the rectangle, the stresses change in a precisely orchestrated fashion. In the orientation where the shear stress components vanish, we get what are called #PrincipalStresses and they and their directions can be ascertained precisely through #eigenvalue analysis... 1/2