MENG Weihua, WANG Jianjun, MI Dong, WANG Wenjun, GUO Weiguo. Application of Strain-Rate-Dependent Material Models to Aero-Engine Honeycomb Casing Analysis[J]. Applied Mathematics and Mechanics, 2018, 39(6): 665-671. doi: 10.21656/1000-0887.390087
Citation: MENG Weihua, WANG Jianjun, MI Dong, WANG Wenjun, GUO Weiguo. Application of Strain-Rate-Dependent Material Models to Aero-Engine Honeycomb Casing Analysis[J]. Applied Mathematics and Mechanics, 2018, 39(6): 665-671. doi: 10.21656/1000-0887.390087

Application of Strain-Rate-Dependent Material Models to Aero-Engine Honeycomb Casing Analysis

doi: 10.21656/1000-0887.390087
  • Received Date: 2017-12-18
  • Rev Recd Date: 2018-05-12
  • Publish Date: 2018-06-15
  • For typical honeycomb materials used in turbine casings of aero-engines to prevent blades from scraping the casing, 2 commonly used material models, the Johnson-Cook model and the honeycomb equivalent model, and the relevant calibration methods were discussed. Then the 2 models were implemented in the simulation of a honeycomb impact test, and the simulation results were compared with the test results. It is shown that, through appropriate parameter calibrations and reasonable simplifications, the Johnson-Cook model provides satisfying results, in which the damage prediction is in good agreement with the test observation. Since the Johnson-Cook model is relatively easier to be implemented with enough prediction accuracy, it is recommended for blade-honeycomb scraping analysis of aero-engines.
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