To predict the multiple dynamic behaviors of the suction pipe system of a trailing suction hoper dredger (TSHD) when it is dredging at sea under the un-quiet conditions, the forces acting on the system should be analyzed accurately.

• 摘要为预测耙吸式挖泥船远海施工时耙吸管系统在非静态环境中的多体动力学行为，要求准确分析作用在该系统上的力。