| 摘要: | 
	         
			 
		     | 本文研究了一类带扰动项的MEMS模型.利用上下解和变分的方法,获得了该模型的存在性和多解的结果.特别地,对一个MEMS系统,根据解的存在性,我们找到了一条曲线将第一象限的参数区域划分成两部分.推广了已有文献在MEMS模型方面的研究 | 
	         
			
	         
				| 关键词:  MEMS模型  扰动项  变分法  上下解 | 
	         
			 
                | DOI: | 
           
            
                | 分类号:O175.2 | 
             
			 
             
                | 基金项目:Supported by National Natural Science Foundation of China (11771342; 12071364); Natural Science Foundation of Hubei Province (2019CFA007). | 
             
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                | EXISTENCE THEOREM FOR A CLASS OF MEMS MODEL WITH A PERTURBATION TERM | 
           
           
			
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				LV Jia-qi1, CHEN Nan-bo2, LIU Xiao-chun1
						
				
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				1.School of Mathematics and Statistics, Wuhan University, Wuhan 430072, China;2.School of Mathematics and Computing Science, Guilin University of Electronic Technology, Guilin 541004, China
				
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                | Abstract: | 
              
			
                | In this paper, we study a class of MEMS models with a perturbation term. With the help of upper and lower solution method and variational approach, we obtain the existence and multiplicity results for these models. In particular, we find a curve which splits the area of parameters in the first quadrant into two parts according to the existence of solutions for a MEMS system. These are an extension on the existing literature in the aspect of MEMS models. | 
            
	       
                | Key words:  MEMS model  a perturbation term  variational method  upper and lower solution |