Customized design variable

Updated by Altair Forum User
Hello,
Is there a way i can create a customized design variable? I want relative density as design variable. and in that case, Young's Modulus(E) and density (Rho) will change accordingly with customized relationship function between relative density and E/Rho
Thank you,
Alan
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Updated by Altair Forum User
Yeah i understand that i can change it to 'E' and 'rho'. @Mrt
but what i meat was to have E and rho with a relationship in between. assume E = 0.5 * rho. each value of rho corresponds to only one E value.
New Altair Community Member
Updated by Rahul Rajan_21763
For material property HS-4200 is more relevant tutorial. For Linking Input variable you can refer HS-1060.So link variable will work in your case.PFA sample image for your requirement.
example HS-1020 in hyperstudy_tutorials_2017
i think so, you can put 'rho' and 'E' instead 'T'.
did i correct understand you @Alan?