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Found 3 results

1. ## Relation between volume fraction and modal frequency target

Hi everyone, Trying to figure out how much volume fraction has to be given for meeting a specific modal target frequency of a automotive wheel while performing topology optimization. Just trying to find out the relation between volume fraction and modal frequency of wheel (wheel weight is 13 kg). For Example Target modal frequency of wheel should be above 400Hz. For meeting the modal target (above 400Hz) how much volume fraction value need to given in a single shot so that the modal target is met, in topology optimization of wheel. Thank you in advance.
2. ## Mass or volume fraction

Hello every one, I'm running a topology optimization with a min compliance and volume or mass fraction constraint. Do you know why the mass or volume fraction recommanded is 0.3 or less? Best regards, Lucy
3. ## How to determine volume fraction value

Hi all, I'm new at optimization. I have been trying to optimize an automobile part with aid of tutorials. I set up the model. I specified objective as minimization of weighted compliance and constraint as volume fraction. But i couldn't decide value of volume fraction. Honestyl i didn't even understand what volume fraction is. Can anyone help me about this issue? Best Regards
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