No.462 S-ALE法による爆薬モデルのテスト解析

Structured ALE (S-ALE)法を用いてシンプルな爆薬モデルのテスト解析を行い、従来からのALE(Conventional ALE)法と結果を比較しました。少し差異がありますが実用上は問題ないレベルだと思います。

Keywords: S-ALE, ALE, High Explosive, Blast wave, nuber of elements : 520K elements, Cpu time of S-ALE method was faster than ALE method 16% (good performance)

Tool: LS-PrePost ver.4.3, LS-DYNA MPP Single Precision Win64

なお,本事例はサンプルであることをご了承下さい。

July-08-2017

 S-ALE vs ALE , sinple HE simulation
Fig.1 Pressure ( Conventional ALE ) at 0.002(s)

 S-ALE vs ALE , sinple HE simulation
Fig.2 Pressure ( Structured ALE ) at 0.002(s)

 S-ALE vs ALE , sinple HE simulation
Fig.3 Pressure ( Conventional ALE ) at 0.004(s)

 S-ALE vs ALE , sinple HE simulation
Fig.4 Pressure ( Structured ALE ) at 0.004(s)

 S-ALE vs ALE , sinple HE simulation
Fig.5 Pressure ( Conventional ALE ) at 0.002(s)

 S-ALE vs ALE , sinple HE simulation
Fig.6 Pressure ( Structured ALE ) at 0.002(s)

 S-ALE vs ALE , sinple HE simulation
Fig.7 Pressure ( Conventional ALE ) at 0.003(s)

 S-ALE vs ALE , sinple HE simulation
Fig.8 Pressure ( Structured ALE ) at 0.003(s)

 S-ALE vs ALE , sinple HE simulation
Fig.9 Pressure ( Conventional ALE ) at 0.004(s)

 S-ALE vs ALE , sinple HE simulation
Fig.10 Pressure ( Structured ALE ) at 0.004(s)

 S-ALE vs ALE , sinple HE simulation
Fig.11 Pressure ( Conventional ALE ) at 0.005(s)

 S-ALE vs ALE , sinple HE simulation
Fig.12 Pressure ( Structured ALE ) at 0.005(s)

 S-ALE vs ALE , sinple HE simulation
Fig.13 Comparison of gas volume history

例題461へ 例題463へ