有限元-积分方程法解弹性目标声散射
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摘要: 本文说明了用有限元-积分方程求解弹性目标声散射的一般方法,并在其中引入了模态分析。此法可用于任意形状的弹性目标,并可提供较清晰的物理图象,便于分析目标弹性振动对散射场的影响。文中给出了水中钢柱在平面波场中的声散射的计算和测量结果的比较。
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