In order to solve the lack of flaw when flanging the part with freeform internal profile, the circumferential strain dispersion effect has been analyzed in flanging the profile.
为了解决具有异形内轮廓的冲压件翻边工序中易产生裂纹等缺陷，分析了异形内轮廓翻边成形时周向应变分散效应。
Dispersion results of the structural vibration waves of higher order circumferential modes in cylindrical shells are calculated, and corresponding dispersion curves are obtained.
研究了圆柱壳中较高阶周向模态结构振动波的频散特性，得到了相应的频散曲线。
Dispersion results of the structural vibration waves of higher order circumferential modes in cylindrical shells are calculated, and corresponding dispersion curves are obtained.
研究了圆柱壳中较高阶周向模态结构振动波的频散特性，得到了相应的频散曲线。
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