Chen, Jen-SanJen-SanChenLin, Jian-SanJian-SanLin2008-10-282018-06-282008-10-282018-06-28200500218936http://ntur.lib.ntu.edu.tw//handle/246246/85598https://www.scopus.com/inward/record.uri?eid=2-s2.0-14644412779&doi=10.1115%2f1.1827244&partnerID=40&md5=21f7c550d00b412ce896b4017baf45c2In this note we show that for a pinned half-sine arch under end couples snap-through buckling will occur unsymmetrically if the initial height of the shallow arch is greater than 6.5466r, where r is the radius of gyration of the cross section. The closed-form expression for the critical couple can be obtained analytically. Copyright © 2005 by ASME.application/pdf43347 bytesapplication/pdfen-USBuckling; Deformation; Films; Functions; Loading; Piezoelectric materials; Switching; Critical loads; Cross sections (CS); Gyration; Sinusoidal loading; Structural loadsjournal article2-s2.0-14644412779http://ntur.lib.ntu.edu.tw/bitstream/246246/85598/1/14.pdf