Reconstructing shock front of unstable detonations based on multi-layer perceptron

doi:10.1007/s10409-021-01130-x

	Reconstructing shock front of unstable detonations based on multi-layer perceptron
	Zhou, Lin 1,2; Teng, Honghui1 ; Ng, Hoi Dick 3; Yang PF(杨鹏飞)4,5; Jiang ZL(姜宗林)4,5
通讯作者	Yang, Pengfei(yangpengfei@imech.ac.cn)
发表期刊	ACTA MECHANICA SINICA
	2021-08-31
页码	14
ISSN	0567-7718
摘要	The dynamics of frontal and transverse shocks in gaseous detonation waves is a complex phenomenon bringing many difficulties to both numerical and experimental research. Advanced laser-optical visualization of detonation structure may provide certain information of its reactive front, but the corresponding lead shock needs to be reconstructed building the complete flow field. Using the multi-layer perceptron (MLP) approach, we propose a shock front reconstruction method which can predict evolution of the lead shock wavefront from the state of the reactive front. The method is verified through the numerical results of one- and two-dimensional unstable detonations based on the reactive Euler equations with a one-step irreversible chemical reaction model. Results show that the accuracy of the proposed method depends on the activation energy of the reactive mixture, which influences prominently the cellular detonation instability and hence, the distortion of the lead shock surface. To select the input variables for training and evaluate their influence on the effectiveness of the proposed method, five groups, one with six variables, and the other with four variables, are tested and analyzed in the MLP model. The trained MLP is tested in the cases with different activation energies, demonstrates the inspiring generalization capability. This paper offers a universal framework for predicting detonation frontal evolution and provides a novel way to interpret numerical and experimental results of detonation waves.
关键词	Cellular detonation Lead shock evolution Multi-layer perceptron Numerical simulations
DOI	10.1007/s10409-021-01130-x
收录类别	SCI ; EI ; CSCD
语种	英语
WOS记录号	WOS:000691813300001
关键词[WOS]	NUMERICAL SIMULATIONS ; COMPUTED-TOMOGRAPHY ; NEURAL-NETWORK ; DYNAMICS ; FLAME ; MODEL ; HYDROGEN ; WAVE
WOS研究方向	Engineering ; Mechanics
WOS类目	Engineering, Mechanical ; Mechanics
资助项目	National Natural Science Foundation of China[11822202]
项目资助者	National Natural Science Foundation of China
论文分区	二类
力学所作者排名	1
RpAuthor	Yang, Pengfei
引用统计	被引频次：1[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://dspace.imech.ac.cn/handle/311007/87394
专题	高温气体动力学国家重点实验室
作者单位	1.Beijing Inst Technol, Sch Aerosp Engn, Beijing 100081, Peoples R China; 2.Beijing Power Machinery Inst, State Key Lab Laser Prop & Applicat, Beijing 100074, Peoples R China; 3.Concordia Univ, Dept Mech Ind & Aerosp Engn, Montreal, PQ H3G 1M8, Canada; 4.Chinese Acad Sci, Inst Mech, State Key Lab High Temp Gas Dynam, Beijing 100190, Peoples R China; 5.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Zhou, Lin,Teng, Honghui,Ng, Hoi Dick,et al. Reconstructing shock front of unstable detonations based on multi-layer perceptron[J]. ACTA MECHANICA SINICA,2021:14.
APA	Zhou, Lin,Teng, Honghui,Ng, Hoi Dick,杨鹏飞,&姜宗林.(2021).Reconstructing shock front of unstable detonations based on multi-layer perceptron.ACTA MECHANICA SINICA,14.
MLA	Zhou, Lin,et al."Reconstructing shock front of unstable detonations based on multi-layer perceptron".ACTA MECHANICA SINICA (2021):14.

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