CAJ | 학술논문

针对现有经验公式在计算爆炸地面冲击波超压值时存在的局限,采用NND2M差分格式对TNT柱形装药在小爆高状态下的爆炸冲击波效应进行了数值模拟研究,并与试验实测值及经验公式计算值进行了比较,分析了存在差异的原因,证明了本文采用的计算是合理可靠的.
침대현유경험공식재계산폭작지면충격파초압치시존재적국한,채용NND2M차분격식대TNT주형장약재소폭고상태하적폭작충격파효응진행료수치모의연구,병여시험실측치급경험공식계산치진행료비교,분석료존재차이적원인,증명료본문채용적계산시합리가고적.
There are limitations when existing empirical formulas are used to compute peak overpressure values of blast effects. NND2M difference scheme Was chosen in numerical simulation of blast effects near the earth of conventional charge.Detailed comparisons of the computational value,the experimental value and the empirical value were presented,Also the reasons for the difference were discussed.It is proved that the computing method chosen in this paper is reasonable and credible.