As Larry has pointed out you can not make the worksheets have same name. Maybe you can rename the worksheets in the format of something like NAME+NUMBER, e.g. AAA1, AAA2...
If you want, the following script can be used:
count = 0;
doc -e w
{
count=count+1;
win -r %H AAA+$(count)
};
Zachary
OriginLab Technical Services.