基于半混合欧拉-拉格朗日边界元法不规则波群模拟
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薛文, 高志亮
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Irregular Wave Groups Simulation Based on Semi-Mixed Eulerian-Lagrangian Boundary Element Method
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XUE Wen, GAO Zhiliang
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表1 不同模型参数下波浪参数误差对比
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Tab.1 Comparison of errors for wave parameter with different model parameters
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| 参数 | 取值 | H1/3/m | | T1/3/s | 目标 值 | 计算 值 | 相对 误差/% | 目标 值 | 计算 值 | 相对 误差/% | | L1 | λ0 | 0.2 | 0.197 | -1.5 | | 2.22 | 2.258 | 1.7 | | 2λ0 | 0.2 | 0.199 | -0.5 | | 2.22 | 2.253 | 1.5 | | 3λ0 | 0.2 | 0.199 | -0.5 | | 2.22 | 2.223 | 0.1 | | L2 | λ0 | 0.2 | 0.203 | 1.5 | | 2.22 | 2.248 | 1.2 | | 2λ0 | 0.2 | 0.201 | 0.5 | | 2.22 | 2.224 | 0.2 | | 4λ0 | 0.2 | 0.199 | -0.5 | | 2.22 | 2.223 | 0.1 | | α1 | 2 | 0.2 | 0.199 | -0.5 | | 2.22 | 2.214 | -0.3 | | 3 | 0.2 | 0.200 | 0.0 | | 2.22 | 2.213 | -0.4 | | 4 | 0.2 | 0.199 | -0.5 | | 2.22 | 2.223 | 0.1 | | 5 | 0.2 | 0.200 | 0.0 | | 2.22 | 2.205 | -0.7 | | 6 | 0.2 | 0.200 | 0.0 | | 2.22 | 2.239 | 0.8 | | α2 | 2 | 0.2 | 0.199 | -0.5 | | 2.22 | 2.233 | 0.6 | | 3 | 0.2 | 0.200 | 0.0 | | 2.22 | 2.230 | 0.4 | | 4 | 0.2 | 0.199 | -0.5 | | 2.22 | 2.223 | 0.1 | | 5 | 0.2 | 0.201 | 0.5 | | 2.22 | 2.210 | -0.5 | | 6 | 0.2 | 0.200 | 0.0 | | 2.22 | 2.214 | -0.3 | | β | 0.1 | 0.2 | 0.198 | -1.0 | | 2.22 | 2.228 | 0.4 | | 0.2 | 0.2 | 0.199 | -0.5 | | 2.22 | 2.235 | 0.6 | | 0.3 | 0.2 | 0.199 | -0.5 | | 2.22 | 2.223 | 0.1 | | 0.4 | 0.2 | 0.199 | -0.5 | | 2.22 | 2.233 | 0.6 | | 0.5 | 0.2 | 0.192 | -4.0 | | 2.22 | 2.249 | 1.3 | | ld | 0.5 | 0.2 | 0.198 | -1.0 | | 2.22 | 2.252 | 1.4 | | 0.6 | 0.2 | 0.198 | -1.0 | | 2.22 | 2.241 | 0.9 | | 0.7 | 0.2 | 0.199 | -0.5 | | 2.22 | 2.243 | 1.0 | | 0.8 | 0.2 | 0.200 | 0.0 | | 2.22 | 2.240 | 0.9 | | 0.9 | 0.2 | 0.200 | 0.0 | | 2.22 | 2.243 | 1.0 | | 1.0 | 0.2 | 0.199 | -0.5 | | 2.22 | 2.223 | 0.1 | | d | λ0/20 | 0.2 | 0.177 | -11.5 | | 2.22 | 2.219 | -0.1 | | λ0/10 | 0.2 | 0.199 | -0.5 | | 2.22 | 2.223 | 0.1 | | λ0/5 | 0.2 | 0.198 | -1.0 | | 2.22 | 2.222 | 0.1 | | nx×nz | 20×4 | 0.2 | 0.199 | -0.5 | | 2.22 | 2.200 | -0.9 | | 20×6 | 0.2 | 0.200 | 0.0 | | 2.22 | 2.236 | 0.7 | | 20×8 | 0.2 | 0.199 | -0.5 | | 2.22 | 2.223 | 0.1 | | 15×8 | 0.2 | 0.191 | -4.5 | | 2.22 | 2.275 | 2.5 | | 25×8 | 0.2 | 0.204 | 2.0 | | 2.22 | 2.193 | -1.2 | | Δt | T0/100 | 0.2 | 0.191 | -4.5 | | 2.22 | 2.036 | -8.3 | | T0/150 | 0.2 | 0.204 | 2.0 | | 2.22 | 2.163 | -2.6 | | T0/200 | 0.2 | 0.199 | -0.5 | | 2.22 | 2.223 | 0.1 |
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