弹性拱振动失稳的突变模型
A Catastrophic Model for Vib rational Buckling of Elastic Arches
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						Abstract: This paper represents an attempt at the application of catastrophe theory to the dynamic stability of engineering structures.The authors not only obtain a catastrophic model of vibrational buckling of elastic arches,but also give the critical condition of losing stability.- 
									Key words:
									
- catastrophe /
- cusp catastrophe /
- hysteresis /
- inaccessibility /
- bifurcation set
 
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						[1] Poston,T.,Catastrophe Theory and Its Applications,Pitman(1978). [2] 凌复华,突变理论—历史、现状和展望,力学进展,14,4(1984). [3] 刘式达、刘式适,大气对流的分岔和突变模型,力学学报,16(1984),10-18. [4] 苗天德、艾南山,滑坡发育的灾变模型,兰州大学学报(自然科学版),24,4(1988). 
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