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A Coupled Experiment-finite Element Modeling Methodology for Assessing High Strain Rate Mechanical Response of Soft Biomaterials
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Journal JoVE Bio-ingénierie
A Coupled Experiment-finite Element Modeling Methodology for Assessing High Strain Rate Mechanical Response of Soft Biomaterials

A Coupled Experiment-finite Element Modeling Methodology for Assessing High Strain Rate Mechanical Response of Soft Biomaterials

DOI:
10.3791/51545-v

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11:28 min

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May 18, 2015

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, , , , , , ,
1Department of Agricultural and Biological Engineering,Mississippi State University, 2Center for Advanced Vehicular Systems,Mississippi State University

Chapitres

  • 00:05Titre
  • 02:11Biomaterial Sample Preparation
  • 03:34Split-Hopkinson Pressure Bar Testing
  • 05:49SHPB Data Post-processing
  • 08:04SHPB Finite Element Modeling
  • 09:33Results: Analysis to Obtain Uniaxial High Strain Rate Mechanical Response of Soft Biomaterials
  • 11:00Conclusion

Summary

Traduction automatique

Traduction automatique

The current study prescribes a coupled experiment-finite element simulation methodology to obtain the uniaxial dynamic mechanical response of soft biomaterials (brain, liver, tendon, fat, etc.). The multiaxial experimental results that arose because of specimen bulging obtained from Split-Hopkinson Pressure Bar testing were rendered to a uniaxial true stress-strain behavior when simulated through iterative optimization of the finite element analysis of the biomaterial.

Tags

Soft BiomaterialsHigh Strain RateSplit-Hopkinson Pressure Bar (SHPB)Finite Element Analysis (FEA)Internal State Variable (ISV) Material ModelIterative Coupled OptimizationMechanical BehaviorCompressive Stress WaveIncident WaveTransmitted WaveReflected WaveHydrostatic StressUniaxial Mechanical Response

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