{"id":638,"date":"2026-09-18T17:27:10","date_gmt":"2026-09-18T08:27:10","guid":{"rendered":"https:\/\/www.dtc.teu.ac.jp\/?p=638"},"modified":"2026-09-18T17:27:10","modified_gmt":"2026-09-18T08:27:10","slug":"a-data-center-digital-twin-using-surrogate-models-and-nvidia-omniverse-kit-cae","status":"publish","type":"post","link":"https:\/\/www.dtc.teu.ac.jp\/ja\/a-data-center-digital-twin-using-surrogate-models-and-nvidia-omniverse-kit-cae\/","title":{"rendered":"\u30b5\u30ed\u30b2\u30fc\u30c8\u30e2\u30c7\u30eb\u3068NVIDIA Omniverse Kit-CAE\u3092\u7528\u3044\u305f\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u30c7\u30b8\u30bf\u30eb\u30c4\u30a4\u30f3"},"content":{"rendered":"
\n

CFD\u306f\u3001\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u5185\u90e8\u306e\u6e29\u5ea6\u3068\u6c17\u6d41\u306e\u5206\u5e03\u3092\u628a\u63e1\u3059\u308b\u305f\u3081\u306e\u5f37\u529b\u306a\u624b\u6cd5\u3067\u3059\u3002<\/p>\n\n\n\n

\u3057\u304b\u3057\u3001CFD\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u306b\u306f\u9577\u3044\u6642\u9593\u304c\u304b\u304b\u308a\u307e\u3059\u3002\u30b5\u30fc\u30d0\u30fc\u8ca0\u8377\u3084\u7a7a\u8abf\u6761\u4ef6\u304c\u5909\u5316\u3059\u308b\u305f\u3073\u306b\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u518d\u5b9f\u884c\u3059\u308b\u306e\u306f\u3001\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306e\u30c7\u30b8\u30bf\u30eb\u30c4\u30a4\u30f3\u306b\u306f\u9069\u3057\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n\n\n\n

\u3053\u306e\u8ab2\u984c\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u3001Ansys Fluent\u306eCFD\u7d50\u679c\u304b\u3089AI\u30b5\u30ed\u30b2\u30fc\u30c8\u30e2\u30c7\u30eb\u3092\u69cb\u7bc9\u3057\u3001\u305d\u306e\u4e88\u6e2c\u7d50\u679c\u3092NVIDIA Omniverse Kit-CAE\u3067\u9ad8\u901f\u306b\u53ef\u8996\u5316\u3059\u308b\u30b7\u30b9\u30c6\u30e0\u3092\u958b\u767a\u3057\u307e\u3057\u305f\u3002<\/p>\n<\/div>\n\n\n\n

\u5168\u4f53\u306e\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n\n\n\n

Ansys Fluent\n\u2193\nCFD Dataset\n\u2193\nPCA\n\u2193\nPCA Coefficient Prediction with MLP\n\u2193\nTemperature and Velocity Field Prediction\n\u2193\nFast Voxel Generation\n\u2193\nNanoVDB\n\u2193\nKit-CAE \/ NVIDIA IndeX\n\u2193\nOmniverse Visualization<\/code><\/pre>\n\n\n\n
\n\n\n\n
1. \u30b5\u30ed\u30b2\u30fc\u30c8\u30e2\u30c7\u30eb\u306e\u69cb\u7bc9<\/h2>\n\n\n\n
\u5bfe\u8c61\u30e2\u30c7\u30eb\u306f\u3001\u8907\u6570\u306e\u30b5\u30fc\u30d0\u30fc\u30e9\u30c3\u30af\u30684\u53f0\u306e\u7a7a\u8abf\u6a5f\u3092\u5099\u3048\u305f\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u3067\u3059\u3002<\/p>\n\n\n\n
\u30b5\u30ed\u30b2\u30fc\u30c8\u30e2\u30c7\u30eb\u306f5\u3064\u306e\u5165\u529b\u3092\u53d7\u3051\u53d6\u308a\u307e\u3059\uff1a<\/p>\n\n\n\n
    \n
  • GPU\u8ca0\u8377\u7387<\/li>\n\n\n\n
  • AC1\uff5eAC4\u306eON\/OFF\u72b6\u614b<\/li>\n<\/ul>\n\n\n\n
    \u8907\u6570\u306e\u904b\u8ee2\u6761\u4ef6\u4e0b\u3067CFD\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u65bd\u3057\u305f\u7d50\u679c\u3001\u5f97\u3089\u308c\u305f\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306f 200\u30b1\u30fc\u30b9<\/strong>.<\/p>\n\n\n\n
    CFD\u30e1\u30c3\u30b7\u30e5\u306f\u5168\u30b1\u30fc\u30b9\u3067\u5171\u901a\u3057\u3066\u304a\u308a\u3001\u30bb\u30eb\u6570\u306f\u7d04 187\u4e07\u500b\u306e\u6d41\u4f53\u30bb\u30eb<\/strong>.<\/p>\n\n\n\n
    \u5404\u30b1\u30fc\u30b9\u304b\u3089\u4ee5\u4e0b\u306e\u7269\u7406\u91cf\u3092\u62bd\u51fa\u3057\u307e\u3057\u305f\uff1a<\/p>\n\n\n\n
      \n
    • \u6e29\u5ea6<\/li>\n\n\n\n
    • \u901f\u5ea6U<\/li>\n\n\n\n
    • \u901f\u5ea6V<\/li>\n\n\n\n
    • \u901f\u5ea6W<\/li>\n<\/ul>\n\n\n\n
      \n\n\n\n
      2. PCA\u306b\u3088\u308b\u6b21\u5143\u524a\u6e1b<\/h2>\n\n\n\n
      \u7d04187\u4e07\u30bb\u30eb\u5206\u306e\u7269\u7406\u91cf\u3092\u76f4\u63a5\u4e88\u6e2c\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u51fa\u529b\u304c\u975e\u5e38\u306b\u5927\u304d\u304f\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
      \u305d\u3053\u3067\u3001\u6b21\u5143\u524a\u6e1b\u306bPCA\uff08\u4e3b\u6210\u5206\u5206\u6790\uff09\u3092\u4f7f\u7528\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
      \u4f8b\u3048\u3070\u3001\u6e29\u5ea6\u5834\u306f\u6b21\u306e\u3088\u3046\u306b\u5727\u7e2e\u3055\u308c\u307e\u3057\u305f\uff1a<\/p>\n\n\n\n
      \u7d04187\u4e07\u6b21\u5143 \u2192 21\u6b21\u5143<\/strong><\/p>\n\n\n\n
      \u901f\u5ea6U\u3001V\u3001W\u306f\u305d\u308c\u305e\u308c20\u6210\u5206\u3067\u8868\u73fe\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
      \u7d04187\u4e07\u00d7187\u4e07\u3068\u3044\u3046\u5de8\u5927\u306a\u5171\u5206\u6563\u884c\u5217\u3092\u69cb\u7bc9\u3059\u308b\u4ee3\u308f\u308a\u306b\u3001 139\u00d7139\u306e\u30b0\u30e9\u30e0\u884c\u5217<\/strong> \uff08\u5b66\u7fd2\u30b1\u30fc\u30b9\u6570\u306b\u57fa\u3065\u304f\uff09\u3092\u7528\u3044\u3001GPU\u4e0a\u3067\u56fa\u6709\u5024\u5206\u89e3\u3092\u884c\u3044\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
      \u3053\u308c\u306b\u3088\u308a\u3001\u5927\u898f\u6a21\u306aCFD\u30c7\u30fc\u30bf\u306b\u5bfe\u3057\u3066\u3082PCA\u3092\u52b9\u7387\u7684\u306b\u9069\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
      \n\n\n\n
      3. MLP\u306b\u3088\u308b\u63a8\u8ad6<\/h2>\n\n\n\n
      PCA\u5727\u7e2e\u5f8c\u3001GPU\u8ca0\u8377\u7387\u3068\u7a7a\u8abf\u306e\u7a3c\u50cd\u72b6\u614b\u304b\u3089PCA\u4fc2\u6570\u3092\u4e88\u6e2c\u3059\u308bMLP\u3092\u5b66\u7fd2\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
      \u57fa\u672c\u69cb\u9020\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n\n\n\n
      \u5165\u529b 5\n\u2193\n\u5168\u7d50\u5408\u5c64 64\n\u2193\nTanh\n\u2193\n\u5168\u7d50\u5408\u5c64 64\n\u2193\nTanh\n\u2193\n\u51fa\u529b 20\u307e\u305f\u306f21<\/code><\/pre>\n\n\n\n
      \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306f\u5c0f\u3055\u3044\u305f\u3081\u3001\u63a8\u8ad6\u306f\u975e\u5e38\u306b\u9ad8\u901f\u3067\u3059\u3002<\/p>\n\n\n\n
      200\u30b1\u30fc\u30b9\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5206\u5272\u3055\u308c\u307e\u3057\u305f\uff1a<\/p>\n\n\n\n
        \n
      • \u5b66\u7fd2\u7528\uff1a139<\/li>\n\n\n\n
      • \u691c\u8a3c\u7528\uff1a31<\/li>\n\n\n\n
      • \u30c6\u30b9\u30c8\u7528\uff1a30<\/li>\n<\/ul>\n\n\n\n
        \u4ee3\u8868\u7684\u306a\u4e88\u6e2c\u7cbe\u5ea6\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n\n\n\n
          \n
        • \u6e29\u5ea6MAE\uff1a\u7d040.45 K<\/li>\n\n\n\n
        • \u901f\u5ea6MAE\uff1a\u7d040.14 m\/s<\/li>\n<\/ul>\n\n\n\n
          \u5c40\u6240\u7684\u306a\u30d4\u30fc\u30af\u4ed8\u8fd1\u3067\u306f\u8aa4\u5dee\u304c\u5927\u304d\u304f\u6b8b\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u5168\u4f53\u7684\u306a\u6e29\u5ea6\u30fb\u6c17\u6d41\u306e\u50be\u5411\u306f\u6982\u306d\u826f\u597d\u306b\u518d\u73fe\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
          \n\n\n\n
          \u53ef\u8996\u5316\u304c\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u306b<\/h2>\n\n\n\n
          \u30b5\u30ed\u30b2\u30fc\u30c8\u30e2\u30c7\u30eb\u306b\u3088\u308a\u3001CFD\u4e88\u6e2c\u306f\u5927\u5e45\u306b\u9ad8\u901f\u5316\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
          \u3057\u304b\u3057\u3001\u5f53\u521d\u306eOmniverse\u53ef\u8996\u5316\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u306b\u306f\u4f9d\u7136\u3068\u3057\u3066\u4ee5\u4e0b\u304c\u5fc5\u8981\u3067\u3057\u305f\uff1a<\/p>\n\n\n\n
          Inference\n\u2193\nSave NPZ\n\u2193\nVTK Interpolation\n\u2193\nOpenVDB Generation\n\u2193\nSave VDB\n\u2193\nOmniverse Visualization<\/code><\/pre>\n\n\n\n
          \u4ee3\u8868\u7684\u306a\u51e6\u7406\u6642\u9593\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n\n\n\n
          \u51e6\u7406<\/th>\u6642\u9593<\/th><\/tr><\/thead>
          \u63a8\u8ad6\uff0bNPZ\u51fa\u529b<\/td>\u7d042.15\u79d2<\/td><\/tr>
          OpenVDB\u5909\u63db<\/td>\u7d048.47\u79d2<\/td><\/tr>
          \u5408\u8a08<\/td>\u7d0411.11\u79d2<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
          \u3064\u307e\u308a\u3001 \u53ef\u8996\u5316\u30c7\u30fc\u30bf\u306e\u751f\u6210\u304cAI\u63a8\u8ad6\u305d\u306e\u3082\u306e\u3088\u308a\u3082\u30b3\u30b9\u30c8\u304c\u9ad8\u304f\u306a\u3063\u3066\u3044\u307e\u3057\u305f<\/strong>.<\/p>\n\n\n\n
          \n\n\n\n
          Kit-CAE\u306b\u3088\u308b\u9ad8\u901f\u53ef\u8996\u5316<\/h2>\n\n\n\n
          \u3053\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u3001\u53ef\u8996\u5316\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3092Kit-CAE\u4e2d\u5fc3\u306b\u518d\u8a2d\u8a08\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
          \u65b0\u3057\u3044\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n\n\n\n
          PyTorch\u63a8\u8ad6\n\u2193\n\u5171\u6709\u30e1\u30e2\u30ea\n\u2193\n\u9ad8\u901f\u30dc\u30af\u30bb\u30eb\u751f\u6210\n\u2193\nWarp CUDA\n\u2193\nNanoVDB\n\u2193\nSimData\n\u2193\nCaeViz\n\u2193\nNVIDIA IndeX<\/code><\/pre>\n\n\n\n
          \u4e3b\u306a\u5909\u66f4\u70b9\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n\n\n\n
            \n
          • \u30b1\u30fc\u30b9\u3054\u3068\u306eNPZ\u51fa\u529b\u3092\u5ec3\u6b62<\/li>\n\n\n\n
          • OpenVDB\u30d5\u30a1\u30a4\u30eb\u751f\u6210\u3092\u5ec3\u6b62<\/li>\n\n\n\n
          • \u5171\u6709\u30e1\u30e2\u30ea\u306b\u3088\u308b\u30d7\u30ed\u30bb\u30b9\u9593\u901a\u4fe1\u3092\u8ffd\u52a0<\/li>\n\n\n\n
          • GPU\u4e0a\u3067\u76f4\u63a5NanoVDB\u3092\u751f\u6210<\/li>\n\n\n\n
          • Kit-CAE\u306eSimData\u3001CaeViz\u3001NVIDIA IndeX\u3092\u4f7f\u7528<\/li>\n<\/ul>\n\n\n\n
            \u3053\u308c\u306b\u3088\u308a\u3001\u30d5\u30a1\u30a4\u30ebI\/O\u304c\u5927\u5e45\u306b\u524a\u6e1b\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
            \n\n\n\n
            \n