无轨伸缩式门式起重机接触部位的有限元分析-浙江大学学报.PDFVIP

V ol N o Chinese Journal of Engineering Design Feb doi issn X j t A NSYS T H A X Research on contact problem of trackless telescopic gantry crane DENG Xing Y U Lanf eng L EI Cong X U Jiang ing XIA O Ze ing p p School of M echanical Engineering Southw est Jiao tong U niversity Chengdu China Abstract Nonlinear contact analy sis can be closer to reality w hen dealing w ith contact problem s how ever the co mplicated contact parameter setup low co mputation efficiency and the co mputa tion convergence w ith no guarantee w hich make contact analy sis difficult to be applied to engi neering practice Node coupling analy sis is a linear analy sis w ithout convergence problem so the node coupling analy sis is superior to the contact analy sis because of it s low er co mputational ex pense In order to ex plore the diff erences in the application betw een the tw o models and study the f easibility of using the node coupling linear analy sis instead of the nonlinear contact analy sis the trackless telescopic gantry crane w ith ton lif ting capacit