Stability of average acceleration method for structures with nonlinear damping

  • Published on
    15-Jul-2016

  • View
    214

  • Download
    2

Embed Size (px)

Transcript

<ul><li><p>9RO1R($57+48$.((1*,1((5,1*$1'(1*,1((5,1*9,%5$7,21-XQH</p><p>$UWLFOH,'</p><p>6WDELOLW\RIDYHUDJHDFFHOHUDWLRQPHWKRGIRUVWUXFWXUHVZLWKQRQOLQHDUGDPSLQJ</p><p>/L</p></li><li><p>($57+48$.((1*,1((5,1*$1'(1*,1((5,1*9,%5$7,219RO</p><p>LVXQFRQGLWLRQDOO\VWDEOHQRWRQO\ IRU OLQHDUG\QDPLFDOV\VWHPVEXW DOVR IRU VWUXFWXUHVZLWKQRQOLQHDUYHORFLW\SRZHUW\SHGDPSLQJ</p><p> 6WDELOLW\ RI WKH$$0 IRU VWUXFWXUHVZLWKYHORFLW\SRZHUW\SHGDPSLQJ</p><p>7KHPDWUL[ HTXDWLRQ RI IUHH YLEUDWLRQ RI QRQOLQHDUVWUXFWXUHVZLWKQRQOLQHDUGDPSLQJFDQEHZULWWHQDV</p><p>0D .G 5 Y </p><p>ZKHUH 0 LV WKH PDVV PDWUL[ RI WKH VWUXFWXUH . LVWKH VWLIIQHVV PDWUL[ 5Y LV WKH YHFWRU RI QRQOLQHDUGDPSLQJIRUFHDQGDGDQGYGHQRWHYHFWRUVRIQRGDODFFHOHUDWLRQVQRGDOGLVSODFHPHQWVDQGQRGDOYHORFLWLHVUHVSHFWLYHO\</p><p>7\SLFDOPRGHOVRIQRQOLQHDUGDPSLQJIRUFHDUHRIWKHYHORFLW\SRZHU W\SHVXFKDVDLUGDPSLQJ</p></li><li>1R/L</li><li><p>($57+48$.((1*,1((5,1*$1'(1*,1((5,1*9,%5$7,219RO</p><p>RI HDFK RRU LV 0 NJ WKH VWLIIQHVV RI WKHXSSHU RRUV LV .8 </p><p>1P DQG WKH VWLIIQHVVRI WKH LVRODWRU .% LV </p><p>1P 7KH GDPSLQJ RIWKH VWUXFWXUH LWVHOIZDVDVVXPHG WREH]HUR7KHPRGHSDUDPHWHUVDUHOLVWHGLQ7DEOH,QLWLDOFRQGLWLRQVRIWKHIUHH YLEUDWLRQ DUHG FP Y 7KH GLVSODFHPHQWDQG WRWDO HQHUJ\ UHVXOWVRI WKH IUHHYLEUDWLRQXVLQJ WKH$$0DUHVKRZQLQ)LJ,Q)LJDWKHGLVSODFHPHQWUHVSRQVHVDOZD\VVKRZDVWDEOHEHKDYLRU UHJDUGOHVVRI</p><p>'LVSODFHP</p><p>HQW</p><p>P</p><p>W W W </p><p>7LPHV</p><p>D'LVSODFHPHQW</p><p>(QHUJ\1</p><p> P</p><p>W W W </p><p>)LJ'LVSODFHPHQWDQGWRWDOHQHUJ\RI6'2)V\VWHPZLWKQRQOLQHDUXLGYLVFRXVGDPSHUIRU([DPSOH</p><p>7LPHV</p><p>E7RWDOHQHUJ\</p><p>'LVSODFHP</p><p>HQW</p><p>P</p><p>(QHUJ\1</p><p> P</p><p>W W W </p><p>7LPHV</p><p>D'LVSODFHPHQW</p><p>7LPHV</p><p>E7RWDOHQHUJ\</p><p>W W W </p><p>)LJ'LVSODFHPHQWDQGWRWDOHQHUJ\RI0'2)V\VWHPZLWKQRQOLQHDUXLGYLVFRXVGDPSHUIRU([DPSOH</p><p>0</p><p>0</p><p>0</p><p>0</p><p>0</p><p>.8</p><p>.8</p><p>.8</p><p>.8</p><p>.%&amp;(7</p><p>7DEOH0RGHSDUDPHWHUVRI0'2)V\VWHPIRU([DPSOH</p><p>0RGH 7Q WQ </p><p>)LJ6FKHPDWLFRI0'2)VWUXFWXUHIRU([DPSOH</p><p>WLPHLQWHUYDO&amp;RUUHVSRQGLQJO\ WKHWRWDOHQHUJ\GHFD\VDVWLPHLQFUHDVHLVVKRZQLQ)LJEZKLFKYHULHVWKHFRUUHFWQHVVRIWKHWKHRUHWLFDODQDO\VLV([DPSOH $ 6'2) VWUXFWXUH ZLWK SHUIHFW</p><p>HODVWRSODVWLF UHVWRULQJ IRUFH LV FRQVLGHUHG 7KHSDUDPHWHUVRIWKHVWUXFWXUHDUH0 NJ. </p><p>1P . WKH \LHOG GLVSODFHPHQW LV G\ PP DQG WKHLQLWLDOSHULRG LV7 V ,QLWLDOFRQGLWLRQVDUHG DQGY PV</p><p>'LVSODFHPHQWDQGWRWDOHQHUJ\UHVSRQVHVRI</p></li><li>1R/L</li><li><p>($57+48$.((1*,1((5,1*$1'(1*,1((5,1*9,%5$7,219RO</p><p>(QJLQHHULQJDQG6WUXFWXUDO'\QDPLFV:X%;X* DQG:DQJ4 2SHUDWRUVSOLWWLQJ0HWKRGIRU5HDOWLPH6XEVWUXFWXUH7HVWLQJ(DUWKTXDNH(QJLQHHULQJDQG6WUXFWXUDO'\QDPLFV;LH</p></li></ul>

Recommended

View more >