To enhance expandable ability of expandable screen shell, a circular bellow shell is designed and its expandable ability is analyzed by non-linear FEA method.
为提高保护外壳的膨胀性能，提出了圆形波纹管形式外壳的设想，并采用非线性有限元方法分析了其膨胀性能。
To enhance expandable ability of expandable screen shell, a circular bellow shell is designed and its expandable ability is analyzed by non-linear FEA method.
为提高保护外壳的膨胀性能，提出了圆形波纹管形式外壳的设想，并采用非线性有限元方法分析了其膨胀性能。
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