CAJ | 학술논문

将近似技术应用于船体型线优化中，构建便于求解的近似模型，用以代替CFD数值求解，能有效提高船型优化的效率，缩短优化时间。如何构建高精度的近似模型关系到优化结果是否可靠，而样本点的选取方式是影响近似模型精度的重要因素之一。论文首先阐述了拉丁超立方设计的选点原理。其次，针对均匀设计存在的难点，提出了大试验次数均匀设计表的构造方法。然后，以数学测试函数为例，论述了两种选点方法的适用性。最后，以国际标模KCS为例，建立了船舶阻力性能的近似模型，并进行了精度检验。
장근사기술응용우선체형선우화중，구건편우구해적근사모형，용이대체CFD수치구해，능유효제고선형우화적효솔，축단우화시간。여하구건고정도적근사모형관계도우화결과시부가고，이양본점적선취방식시영향근사모형정도적중요인소지일。논문수선천술료랍정초립방설계적선점원리。기차，침대균균설계존재적난점，제출료대시험차수균균설계표적구조방법。연후，이수학측시함수위례，논술료량충선점방법적괄용성。최후，이국제표모KCS위례，건립료선박조력성능적근사모형，병진행료정도검험。
An approximation technology is applied to hull form optimization for constructing approximate model that facilitates to computation and can be used to replace CFD tools. This technology can significantly improve the efficiency of hull form optimization and shorten the time period of optimization. High precision of the approximation model determines a reliable optimization result, while selection of sample points is one of the important factors affecting the accuracy of the model. In this paper, firstly the principle of Latin hypercube sampling is expounded. Secondly, the method of uniform design for large sample points is proposed. Then, the applicability of these two methods is discussed based on mathematical function. Finally, an approximate model of resistance performance for the international standard ship model is established, and the accuracy of this approximate model is examined.