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中文摘要：
基于ALE（Arbitrary Lagrangian-Eulerian）和罚函数方法实现流固耦合计算,进行了柔性储液容器在斜面上稳定性的三维数值模拟。首先通过控制体积法得到柔性容器不同装载量的初始形态,随后基于此初始形态,采用ALE方法模拟了倾斜平面上储液结构的动态响应。计算采用了并行求解算法,减少了大规模非线性流-固耦合问题的求解时间。仿真结果表明：装载量越大,柔性储液容器在斜面上稳定性越低,越容易产生液体晃动和翻滚现象。结果可为该类结构的设计提供参考依据。
英文摘要：
The numerical simulation of flexible fluid-filled container＇s stability on inclined surface was finished through adopting the Arbitrary Lagrangian-Eulerian （ALE） and the penalty-based method for coupling function between the structure and liquid. First, the initial state of flexible container was obtained indirectly through Control Volume method. Then, the three-dimensional simulation of flexible container was completed based on ALE method and the dynamic characteristics of this container on inclined surface was analyzed. The use of parallel computing decreased the computation time of large-scale nonlinear Fluid-structure coupling analysis. The simulation results indicate that the increasing of the filled liquid leads to less stability of the flexible container on the inclined surface, which results in the vibration and roll-over. The results provide important reference for the design of flexible container.
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