Third thing - you want to model your slab in MIDAS as quad element with stiffness only in one direction - better forget about it. Second thing which is make the calc in MIDAS not efficient is dimensioning of concrete/steel composite cross sections at ULS & SLS - the results at SLS are not correct in my opinion and it is difficult to make it “globally” like in Sofistik. It is caused by the MIDAS solver for loadcombinations results - MIDAS do it every time in meanwhile from new (there is no database with results). For greater bridges this program is like a trap - MIDAS has a problem with graphic (you cannot see the results as graphic & you wait long time for results in tables), the results in MIDAS are more beautiful like in Sofistik - but this is rather not important. In my personal opinion MIDAS Civil is not bad for small/medium bridges without no so complicated geometry & construction stages.
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