Research Article
Study on Ultrasonic Characteristics and Prediction of Rock with Different Pore Sizes
Table 5
Acoustic parameter enhancement dataset for different model sizes.
| | Rock specimen dimension (mm) | Aperture dimension (mm) | Experiment amplitude (mv) | Simulation sound pressure value (Pa) | Wave velocity (m/s) | SVR-predicted wave velocity (m/s) |
| | 100 | 0 | 429 | 669 | 2365 | 2359 | | 100 | 5 | 413 | 655 | 2343 | 2346 | | 100 | 10 | 394 | 620 | 2330 | 2338 | | 100 | 15 | 361 | 585 | 2322 | 2314 | | 100 | 20 | 347 | 549 | 2315 | 2311 | | 100 | 25 | 324 | 515 | 2285 | 2298 | | 100 | 30 | 295 | 485 | 2243 | 2278 | | 100 | 35 | 277 | 453 | — | 2269 | | 100 | 40 | 254 | 421 | — | 2256 | | 100 | 45 | 232 | 389 | — | 2244 | | 100 | 50 | 209 | 357 | — | 2230 | | 100 | 55 | 187 | 324 | — | 2218 | | 100 | 60 | 165 | 292 | — | 2206 | | 100 | 65 | 142 | 260 | — | 2193 | | 100 | 70 | 120 | 227 | — | 2180 | | 100 | 75 | 97 | 195 | — | 2168 | | 100 | 80 | 75 | 163 | — | 2155 |
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