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给出了一种舰船结构空中爆炸载荷的高精度数值计算程序。该程序采用基于通量修正算法的有限差分格式编写。它在冲击波阵面处达到四阶精度且耗用计算资源较少,是一种简单高效的计算程序。因此该程序特别适用于大尺度船舶结构受空中爆炸载荷的计算。程序的可靠性和准确性通过击波管试验和空中爆炸试验数据进行了检验。最后给出了一个典型船舶结构受空中爆炸载荷的算例。
A high-precision numerical calculation program for the airborne blast load of a ship structure is given. This program uses a finite difference format based on the flux correction algorithm. It achieves fourth-order accuracy at the shock wave front and consumes less computational resources, making it a simple and efficient calculation procedure. This procedure is therefore particularly suitable for the calculation of large-scale ship structures exposed to the blast load in the air. The reliability and accuracy of the program were tested using the data from the tube test and the air blast test. Finally, an example of a typical ship structure subjected to an airborne blast load is given.