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good afternoon, In my model today I have a cantilever beam to which I attach a string. The beam is fixed at one side. The free end of the string is pulled down by applying an SPC with the according nodal displacement. I then try to plot the reaction force at the end of the string vs its displacement and only receive a zigZag line. The calculation is done with a non linear Geometry option because the resultant deflection of the beam is quite large (the material is still elastic yet). I don't know wether it works with the file attachement but I try to attach a screeshot of the result. On the other hand I thouhgt I might as well sum up all the vertical reaction forces at the fixed end of the beam but I couln't find a way to add them all up and plot the sum of the reaction forces vs string displacement. Is there such a function? Would appreciate any help thanks Rainer