<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:12pt"><div style="font-family: 'times new roman', 'new york', times, serif; font-size: 12pt;">Dear all:</div><div><font face="times new roman, new york, times, serif" size="3">I want create a new model which  add new </font><font face="times new roman, new york, times, serif">construction</font><font face="times new roman, new york, times, serif" size="3"> material I defined by myself such as their conductivity, special heat capacity. After create a new materials db, I don't know how to add it to my model. And I have create a PCM material in active materials, it told me to add in a layer, but after I did, I can't check it in the layer I add. Could you tell me the right process to add or change material?</font></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: 'times new roman', 'new york', times, serif; background-color: transparent; font-style: normal;"><font face="times new roman, new york, times, serif" size="3">Regards </font></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: 'times new roman', 'new york', times, serif; background-color: transparent; font-style: normal;"><font face="times new roman, new york, times, serif" size="3">Jingyu</font></div></div></body></html>