CAJ | 학술논문

运用基于物理声学法的板块元法求解目标散射场时，面元划分直接决定了算法计算的速度和精度。文中研究板块元法中面元划分问题，给出了基于Gordon积分的远场板块元公式。用AN-SYS建立了球体模型，借助该模型，分析了模型面元划分尺度对模型目标强度计算速度与精度的影响。针对低频和高频的不同情况，推导出模型面元划分的标准和方法。用所提出的方法对圆柱模型进行网格化，通过仿真计算验证了该方法的正确性。
운용기우물리성학법적판괴원법구해목표산사장시，면원화분직접결정료산법계산적속도화정도。문중연구판괴원법중면원화분문제，급출료기우Gordon적분적원장판괴원공식。용AN-SYS건립료구체모형，차조해모형，분석료모형면원화분척도대모형목표강도계산속도여정도적영향。침대저빈화고빈적불동정황，추도출모형면원화분적표준화방법。용소제출적방법대원주모형진행망격화，통과방진계산험증료해방법적정학성。
The velocity and precision of planar element method based on kirchhoff approxiation was de-cided by the element partition w hen calculating target scattering characteristic .T he paper provided far field planar element method formulae of Gordon integral algorithm .The rigid sphere model was built by ANSYS .Then the relation between element partition and algorithm performance was analysed u-sing rigid sphere model .On the basis above ,the paper educed the method of element partition .At last , the validity of method the paper advanced was validated by column model simulation .