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jowidmer

Hyperelastic Materials

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As mentioned above this is available with OptiStruct 2019.1 version.

In OptiStruct the MATVE bulk data entry defines the material properties for Viscoelastic materials.

MATVE is only supported for Small displacement nonlinear static and transient analysis.& Solid elements both first and second order (CHEXA,CTETRA,CPENTA,CPYRA) are currently supported.Let me know if you need the demo file for same.

durukanbdilek likes this

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HEY RAHUL. AM TRYING TO MODEL POLYURETHANE IN OPTISTRUCT.... I DNT KNOW HOW TO GIVE INPUT FOR MATERIAL PROPERTIESS. I CHOSE MATHE CARD SINCE POLYURETHANE IS A HYPER ELASTIC MATERIAL BUT AM NOT SURE ABOUT THE MODEL COEFFICIENTS (LIKE MOONEY RIVLIN OR YEOH OR OGDEN). WILL U HELP ME ON THIS

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11 hours ago, NISANTH said:

HEY RAHUL. AM TRYING TO MODEL POLYURETHANE IN OPTISTRUCT.... I DNT KNOW HOW TO GIVE INPUT FOR MATERIAL PROPERTIESS. I CHOSE MATHE CARD SINCE POLYURETHANE IS A HYPER ELASTIC MATERIAL BUT AM NOT SURE ABOUT THE MODEL COEFFICIENTS (LIKE MOONEY RIVLIN OR YEOH OR OGDEN). WILL U HELP ME ON THIS

Normally, you have to optimize your hyperelastic model based on experimental data ...

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