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- Application of DSMC method to vacuum pump performance is introduced. 本文介绍了直接模拟蒙特卡罗法在真空泵性能计算中的应用。
- The computational efficiency of the DSMC/EPSM hybrid method and the DSMC method is compared. ? 将DSMC方法与混合算法的计算效率进行了比较。
- In this way, the constant heat flux boundary condition in DSMC method can be implemented. 该方法为实现壁面处给定热流边界条件下的直接模拟蒙特卡罗方法提供了途径。
- The Information preservation (IP) method that can overcome the extra large fluctuation problem encountered in the DSMC method. 进一步发展和完善了能够克服DSMC方法统计涨落过大的信息保存法(IP)方法。
- The computation efficiency of the hybrid DSMC/EPSM method and the DSMC method is compared. It is proved that the hybrid DSMC/EPSM method is more efficient than the DSMC method. 将混合算法的计算效率与DSMC方法的计算效率进行比较 ,发现混合算法能够大大提高计算效率。
- The supersonic flow past a flat plate is calculated by using the DSMC method and the hybrid DSMC/EPSM method. The results show the effectiveness of the hybrid DSMC/EPSM method. 运用混合算法模拟马赫数等于4时超声速平板绕流,并与DSMC结果进行比较,证明了DSMC/EPSM混合算法的有效性。
- The present paper briefly introduces the general program version of DSMC method based on the position element concepts developed by us in calculating the aerodynamic force and heating of transitional flows. 本文简要介绍了为计算过渡领域中气动力与热而发展的基于位置元概念的DSMC方法的通用算法。
- The supersonic flow past a vertical plate and a flat plate are caculated by using the DSMC method and the hybrid DSMC/EPSM method. The results show the effectiveness of the hybrid DSMC/EPSM method. 运用混合算法模拟了马赫数等于5时超音速竖板绕流及马赫数等于4时超音速平板绕流,并将结果与DSMC算法的结果进行比较,证明了DSMC/EPSM混合算法的有效性,同时将EPSM算法与DSMC算法的效率进行了比较。
- The forecast of the aerodynamic characteristic on the complicated reentry figure is processed through estimating the aerodynamic forces by bridging function and simulating the flow field by DSMC method. 通过桥函数估算气动力以及蒙特卡罗方法数值模拟流场 ,对复杂外形再入体过渡区气动特性进行预测。
- The hypersonic flow past a vertical plate is calculated by using the DSMC method and the hybrid DSMC/EPSM method. The results show the effectiveness of the hybrid DSMC/EPSM method. 运用混合算法模拟马赫数等于 1 0时高超音速竖板绕流 ,并与 DSMC结果进行比较 ,证明了DSMC/EPSM混合算法的有效性
- Then,the flowfield of nozzle exit vicinity and backflow region are calculated by using DSMC method,The results show that with this method,the flow property of this region can be accurately described. 本文分析了高空羽流流场的特性,论述了DSMC方法的原理以及涉及到的关键技术,应用DSMC方法数值求解了喷管出口附近及倒流区流场。
- The calculation of this contamination is of referential value to the design and experiment of spacecraft on the basis of the numerical solution to vacuum plume flow field with DSMC method. 用直接模拟的蒙特卡罗(DSMC)法数值求解真空羽流场,在此基础上计算热污染和沉积污染,将对空间飞行器的设计和科学实验有参考价值。
- Keywords DSMC method;LES;cluster; DSMC方法;大涡模拟;颗粒团聚物;
- The method seems good but it needs to be tried out. 这个方法似乎不错,但需要试验一下。
- The DSMC method for plume contamination modeling of satellite 卫星发动机羽流污染模型的DSMC方法研究
- I can't claim infallibility for this method. 我不敢说这方法绝对有效。
- Summer fallow is the best method of destroying weeds. 夏季休耕是消灭杂草的最好办法。
- Popularizing this new method is not an easy job. 推广这种新方法不是件容易的工作。
- This is not an economical method of heating. 这不是一种经济的取暖方式。
- I have a simple and easy method. 我有个简易的方法。
