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Mathematics & Computation
Helmholtz 2D 본문
<2D Helmholtz 기본설정>
epoch = 20000
model = PINN([3, 50, 50, 50,50, 1]).to(device)
a1, a2 = 1, 1
| k=1 | k=2 | k=3 | k=4 | k=5 | k=6 | ||
| step = 10 | Relative L2 error |
4.8791e-02 | 6.7382e-02 |
1.0356e-01 |
9.9476e-01 |
9.9869e-01 | 4.8525e-01 |
| Relative H1 error |
5.2810e-02 | 4.2188e-02 | 9.2454e-02 | 9.9470e-01 |
9.9657e-01
|
5.2326e-01 | |
| Time | 2m | 2m | 2m | 3m | 3m | 3m | |
| step = 20 | Relative L2 error |
1.0876e-01 |
4.5514e-02 |
2.4261e-01 |
9.0612e-01 |
6.0647e-01 | |
| Relative H1 error |
1.1269e-01 | 4.0538e-02 | 2.1134e-01 | 9.0133e-01 | 6.2201e-01 | ||
| Time | 3m | 3m | 3m | 3m | 3m | ||
| step = 50 | Relative L2 error |
1.8508e-01 |
3.1980e-02 |
1.1006e-01 |
9.9727e-01 |
||
| Relative H1 error |
1.7201e-01 | 3.6134e-02 | 9.8976e-02 | 9.9718e-01 | |||
| Time | 3m | 3m | 3m | ||||
| step = 100 | Relative L2 error |
2.1221e-01 |
5.4855e-02 |
9.3617e-02 |
9.5283e-01 |
||
| Relative H1 error |
1.5359e-01 | 4.7532e-02 | 8.6432e-02 | 9.5061e-01 | |||
| Time | 3m | 3m | 3m | 3m |
2D 수정
| k=1 | k=2 | k=3 | k=4 | k=5 | k=6 | ||
| step = 10 | L2 abs | 4.8791e-02 | 6.7382e-02 |
1.0356e-01 |
9.9476e-01 |
9.9869e-01 | 4.8525e-01 |
| H1 abs | 5.2810e-02 | 4.2188e-02 | 9.2454e-02 | 9.9470e-01 |
9.9657e-01
|
5.2326e-01 | |
| L_inf abs |
|
||||||
| Time | 2m | 2m | 2m | 3m | 3m | 3m | |
| step = 20 | L2 abs | 1.0876e-01 |
4.5514e-02 |
2.4261e-01 |
9.0612e-01 |
6.0647e-01 | |
| Relative H1 error |
1.1269e-01 | 4.0538e-02 | 2.1134e-01 | 9.0133e-01 | 6.2201e-01 | ||
| Time | 3m | 3m | 3m | 3m | 3m | ||
| step = 50 | L2 abs | 1.8508e-01 |
3.1980e-02 |
1.1006e-01 |
9.9727e-01 |
||
| Relative H1 error |
1.7201e-01 | 3.6134e-02 | 9.8976e-02 | 9.9718e-01 | |||
| Time | 3m | 3m | 3m |
<3D Helmholtz 기본설정>
epoch = 20000
model = PINN([3, 50, 50, 50,50, 1]).to(device)
a1, a2, a3 = 1, 1, 1
| k=1 | k=2 | k=3 | k=4 | k=5 | k=6 | k=7 | k=8 | ||
| step = 10 | Relative L2 error |
4.3436 e-02 |
3.1329 e-02 |
1.1495 e-01 |
1.7946 e-01 |
1.4025 e+00 |
6.6732 e-01 |
2.2374 e-01 |
2.3602 e-01 |
| Relative H1 error |
6.0832 e-02 |
4.6033 e-02 |
1.3077 e-01 |
1.7120 e-01 |
1.2487 e+00 |
7.2672 e-01 |
3.0964 e-01 |
3.5040 e-01 |
|
| Time | 5m | 5m | 5m | 5m | 5m | 5m | 5m | 5m | |
| step = 20 | Relative L2 error |
3.5939 e-02 |
3.1713 e-02 |
7.2913 e-02 |
1.2309 e+00 |
1.3994 e+00 |
5.9446 e-01 |
2.2844 e-01 |
2.0707 e-01 |
| Relative H1 error |
5.4854 e-02 |
4.8447 e-02 |
9.7974 e-02 |
9.5947 e-01 |
1.2406 e+00 |
6.6353 e-01 |
3.2974 e-01 |
3.1934 e-01 |
|
| Time | 5m | 5m | 5m | 5m | 5m | 5m | 5m | 5m |
3D 수정
| k=1 | k=2 | k=3 | k=4 | k=5 | k=6 | k=7 | k=8 | k=9 | k=10 | ||
| step = 10 | L2 abs | 1.441e-02 | 1.431e-02 | 3.552e-02 | 6.587e-02 | 4.821e-01 | 2.080e-01 | 7.475e-02 | 8.162e-02 | 8.212e-02 | 7.422e-02 |
| L2 rel | 4.076e-02 | 4.049e-02 | 1.005e-01 | 1.863e-01 | 1.364e+00 | 5.884e-01 | 2.114e-01 | 2.309e-01 | 2.323e-01 | 2.099e-01 | |
| H1 abs | 1.091e-01 | 9.796e-02 | 2.216e-01 | 3.048e-01 | 2.504e+00 | 1.380e+00 | 5.801e-01 | 7.271e-01 | 7.162e-01 | 6.674e-01 | |
| H1 rel | 5.411e-02 | 4.859e-02 | 1.099e-01 | 1.512e-01 | 1.242e+00 | 6.846e-01 | 2.877e-01 | 3.607e-01 | 3.552e-01 | 3.310e-01 | |
| L_inf abs | 5.917e-02 | 5.637e-02 | 1.245e-01 | 1.263e-01 | 1.270e+00 | 6.435e-01 | 2.428e-01 | 2.838e-01 | 3.112e-01 | 2.998e-01 | |
| step = 20 | L2 abs | 1.191e-02 | 9.701e-03 | 4.442e-02 | 2.014e-01 | 4.711e-01 | 2.361e-01 | 7.528e-02 | 7.796e-02 | 8.181e-02 | 6.834e-02 |
| L2 rel | 3.369e-02 | 2.744e-02 | 1.257e-01 | 5.696e-01 | 1.332e+00 | 6.678e-01 | 2.129e-01 | 2.205e-01 | 2.314e-01 | 1.933e-01 | |
| H1 abs | 9.717e-02 | 8.384e-02 | 2.046e-01 | 7.907e-01 | 2.349e+00 | 1.496e+00 | 6.264e-01 | 6.376e-01 | 7.206e-01 | 6.058e-01 | |
| H1 rel | 4.820e-02 | 4.158e-02 | 1.015e-01 | 3.922e-01 | 1.165e+00 | 7.419e-01 | 3.107e-01 | 3.162e-01 | 3.574e-01 | 3.005e-01 | |
| L_inf abs | 6.422e-02 | 7.339e-02 | 2.110e-01 | 4.603e-01 | 1.203e+00 | 7.071e-01 | 2.433e-01 | 2.499e-01 | 3.473e-01 | 2.541e-01 |
2D 수정
| k=1 | k=2 | k=3 | k=4 | k=5 | k=6 | k=7 | k=8 | k=9 | k=10 | ||
| step = 10 | L2 abs | 1.242e-02 | 3.781e-02 | 6.394e-03 | 3.688e-02 | 2.534e-01 | 3.784e-01 | 1.353e-01 | 9.756e-02 | 6.400e-02 | 8.833e-02 |
| L2 rel | 2.484e-02 | 7.563e-02 | 1.279e-02 | 7.376e-02 | 5.069e-01 | 7.567e-01 | 2.707e-01 | 1.951e-01 | 1.280e-01 | 1.767e-01 | |
| H1 abs | 8.016e-02 | 9.709e-02 | 4.372e-02 | 2.594e-01 | 1.397e+00 | 1.844e+00 | 8.348e-01 | 6.596e-01 | 4.755e-01 | 7.106e-01 | |
| H1 rel | 3.468e-02 | 4.201e-02 | 1.892e-02 | 1.123e-01 | 6.045e-01 | 7.979e-01 | 3.612e-01 | 2.854e-01 | 2.058e-01 | 3.074e-01 | |
| step = 20 | L2 abs | 2.793e-02 | 8.905e-02 | 1.481e-01 | 1.454e-02 | 1.430e-01 | 4.107e-01 | 1.698e-01 | 1.599e-01 | 1.036e-01 | 9.178e-02 |
| L2 rel | 5.586e-02 | 1.781e-01 | 2.961e-01 | 2.907e-02 | 2.859e-01 | 8.213e-01 | 3.395e-01 | 3.198e-01 | 2.072e-01 | 1.836e-01 | |
| H1 abs | 1.356e-01 | 2.266e-01 | 6.018e-01 | 5.946e-02 | 7.544e-01 | 1.794e+00 | 8.975e-01 | 1.101e+00 | 6.774e-01 | 6.709e-01 | |
| H1 rel | 5.867e-02 | 9.806e-02 | 2.604e-01 | 2.573e-02 | 3.264e-01 | 7.763e-01 | 3.883e-01 | 4.762e-01 | 2.931e-01 | 2.903e-01 |
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