In this paper, the forced rolling movement about the symmetry axis at a fixed Angle of attack is numerically simulated.

采用数值模拟方法模拟了乘波飞行器在固定迎角下绕其对称轴强迫滚转运动这一过程。

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Through the forced rolling experiments of ship model with deck into water, the realistic nonlinear roll model can be obtained, and the reliable roll response with large amplitude can be predicted.

唯有通过船模允许甲板入水的强迫横摇实验才能获得真实的非线性横摇模型，据此才能进行可靠的巨幅横摇响应预报。

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James Lewis, chairman of West Yorkshire Metro, said a deal done with the government on new rolling stock had forced the rise.

BBC: Metro rail boss James Lewis admits service 'not improving'

Financial firms were forced to prop up Daewoo by rolling over its bonds.

ECONOMIST: South Korea