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동적-외연적 유한요소법을 이용한 차체 판넬 성형해석에 관한 연구 (A Study of Auto-body Panel Correction of Forming Analysis that Use Dynamic-extensive Finite Element Method)

  • 정동원;황재신
    • 한국정밀공학회지
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    • 제21권10호
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    • pp.115-126
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    • 2004
  • In the present work a finite element formulation using dynamic-explicit time integration scheme is used for numerical analysis of auto-body panel stamping processes. The lumping scheme is employed for the diagonal mass matrix and dynamic explicit formulation. Analyzed auto-body panel stomping process correction of forming using software called Dynaform using dynamic extensive method. Further, the simulated results for the auto-body panel stamping processes are shown and discussed. Its application is being increased especially in the automotive industrial area for the cost reduction, weight saving, and improvement of strength.