Thank you very much for your answer. I have modeled the geometry of 2D beam consisting of 6 layers, each layers has 23 segments (138 segments in total). Next thing is to generate material properties (modulus of elasticity, tensile and compressive strength) for each segment for 100 simulations. I have it in excel file in rows for each segment. Can you please help me with commands I need to use in order to assign three properties for each segment and to perform 100 analysis one after another. Thank you very much and sorry for bothering. 
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