DEVELOPMENT OF A FINITE ELEMENT CODE TO SIMULATE BEHAVIORS OF FURNITURE UNDER SEISMIC EXCITATION

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  • 家具・什器の地震時挙動を再現する有限要素解析手法の開発
  • カグ ・ ジュウキ ノ ジシンジ キョドウ オ サイゲン スル ユウゲン ヨウソ カイセキ シュホウ ノ カイハツ

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Abstract

 In this paper, a finite element code which enables to analyze behaviors of furniture under seismic excitation was developed. An algorithm considering frictional contact based upon the penalty method was implemented and some analyses were performed. The developed code was validated by comparing the results with motion experiments of steel cabinets and medical equipment under seismic excitations. In addition, the motion behaviors of medical equipment with casters were numerically investigated for different numerical conditions such as constraints of casters. From the numerical results, it is confirmed that overturning behaviors of steel cabinets under different seismic excitations are well simulated and that the constraints of casters have a great influence on the motion behaviors of medical equipment.

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