CAJ | 학술논문

Phillips谱在不规则海浪实时绘制中使用广泛。分析Phillips谱的结构，并计算出Phillips谱的频率谱和方向分布函数。 Phillips谱的频率谱与P-M谱接近，因此参考P-M谱计算Phillips谱的常数A，并对谱风速进行说明。除了使用Phillips谱，还尝试其它形式的谱。用P-M谱和cos（-2s）形式方向分布函数构造PM-cos2s谱，用JON-SWAP谱和Poisson形式方向分布函数构造J-Po谱。用上述3种谱绘制海浪，并比较绘制结果。 Phillips谱和PM-cos2s谱绘制的海浪可体现风速的影响，J-Po谱绘制的海浪可以体现风速、风距的影响，3种谱绘制的帧率相同。由于J-Po谱能反映风速、风距的影响，且生成波在风向（-π，π]范围内，因此J-Po谱更适合于航海模拟器。
Phillips보재불규칙해랑실시회제중사용엄범。분석Phillips보적결구，병계산출Phillips보적빈솔보화방향분포함수。 Phillips보적빈솔보여P-M보접근，인차삼고P-M보계산Phillips보적상수A，병대보풍속진행설명。제료사용Phillips보，환상시기타형식적보。용P-M보화cos（-2s）형식방향분포함수구조PM-cos2s보，용JON-SWAP보화Poisson형식방향분포함수구조J-Po보。용상술3충보회제해랑，병비교회제결과。 Phillips보화PM-cos2s보회제적해랑가체현풍속적영향，J-Po보회제적해랑가이체현풍속、풍거적영향，3충보회제적정솔상동。유우J-Po보능반영풍속、풍거적영향，차생성파재풍향（-π，π]범위내，인차J-Po보경괄합우항해모의기。
The Phillips spectrum was widely applied in real-time rendering of the irregular ocean wave.The structure of the Phillips spectrum was analyzed, and the frequency spectrum and directional distribution function of the Phillips spec-trum were calculated.The frequency spectrum was similar with the P-M spectrum, so the constant A of the Phillips spectrum was computed by reference to the P-M spectrum, and the spectral wind speed was clarified.In addition to the Phillips spectrum, other spectra were tried.The P-M spectrum and the directional distribution function of the cos(-2s) form were used to construct the PM-cos2s spectrum, and the JONSWAP spectrum and the direction distribution function of the Poisson form were applied for constructing the J-Po spectrum.The three spectra mentioned above were used for rendering ocean wave, and the rendering results were compared.The waves rendered by the Phillips spectrum or PM-cos2s spectrum reflected the wind speed effect, and the wave generated by the J-Po spectrum showed the wind speed effect along with the fetch length effect.The frame rate of the three spectra shared the same value.Because the wave produced by the J-Po spectrum reflected the wind speed and fetch length influence, and the generated wave distributed in (-π,π] of the wind direction, the J-Po spectrum was more suitable for the maritime simulator.