領域分割形並列接触アルゴリズムの開発と動的陽解法解析コードへの実装

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タイトル別名
  • Domain Decomposition Based Parallel Contact Algorithm and Its Implementation to Explicit Finite Element Analysis Code.
  • リョウイキ ブンカツガタ ヘイレツ セッショク アルゴリズム ノ カイハツ ト ドウテキ ヨウカイホウ カイセキ コード エ ノ ジッソウ

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抄録

Computer simulations are about to replace experiments in various fields related to dynamic problems, such as crashworthiness of vehicles, vibration of a nuclear reactor in earthquake and ultrasonic wave propagation in solid with cracks for nondestructive evaluation. For solving such large scale problems, the parallel processing has become a key technology. In this paper, a parallel contact algorithm suitable for a domain decomposition technique is proposed, and implemented on a dynamic finite element analysis code based on an explicit time integration scheme. Parallel efficiency of the code is tested through sample analyses on a PC cluster.

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