I set the main longitudinal girders only to get the load distribution ( cladding options , analyse). It works well for self weight and other distributed over large areas loads.
Vehicle has 6 concentraded loads travelling on slab claddings.Main girders are selected in red( old fashioned 
)
Generated loads are everywhere including a truss diagonal (L100x100) which is getting a 7,6tf concentrated load on midspan!See red arrows on below picture
Tried with equivalent surface loads vehicle and the loads were not generated at all, either leaving it on "automatic" or selecting all the claddings on moving loads dialog window.
Then I created a regular "Test" load case with concentrated(point loads) and distributed on contour loads.They all were distributed only for the main girders!!!
Ok, but observing the generated loads for this "test" load case , I noticed something that was not right.
For a 10 tf concentrated force almost on midspan between the 2 main girders , the generated linear bar load goes only to the bar which has the load on its own distribution area!!!!The same occurs to surface loads on contours
Am I doing something wrong on both issues??
Is this the correct rule for triangular /trapezoidal method?? What is inside the bar´s distribution area goes only to this same bar??
Rafael Medeiros
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