CAJ | 학술논문

针对远场水下爆炸中流场模型的标准化进行研究。分析流场大小对结构的低频和高频响应的影响，结果表明：流场半径取为结构半宽的4~6倍时，可确保模型具有足够的计算精度。通过对比均匀划分流场和渐变划分流场，得出：当渐变率为3时，既可保证足够计算精度，又可大大降低计算时间。
침대원장수하폭작중류장모형적표준화진행연구。분석류장대소대결구적저빈화고빈향응적영향，결과표명：류장반경취위결구반관적4~6배시，가학보모형구유족구적계산정도。통과대비균균화분류장화점변화분류장，득출：당점변솔위3시，기가보증족구계산정도，우가대대강저계산시간。
This paper researches the standardization of the flow field model for the far field underwater explosions , and analyzes the influence of the flow field domain on the low and high frequency response of structure. The results show that 4-6 times of structural half-width is taken as radius of the flow field in order to ensure that the model has sufficient computation accuracy . By comparing evenly divided flow field with gradient divided flow filed,enough calculation accuracy can be ensured when the gradual change ratio is 3.0 ,and the computation time can be greatly reduced.