Parameter Identification of Composite Materials Based on Spectral Model by Using Model Updating Method

<table class="fixed-width table-group" id="tab3"><tr><td><table class="table"><colgroup><col style="width:10.19em"/><col style="width:6.85em"/><col style="width:10.19em"/></colgroup><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left"> </td><td class="align_center">Base beam</td><td class="align_center">Composite material </td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Elastic modulus (Pa)</td><td class="align_center"><span style="width: 42.4297ptpx;"><svg height="8.8423pt" id="M138" style="vertical-align:-0.2064009pt" version="1.1" viewbox="-0.0498162 -8.6359 42.4297 8.8423" width="42.4297pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M412 140C382 77 369 73 315 73H129L270 222C362 320 402 379 402 466C402 571 322 635 234 635C177 635 130 609 99 576L42 495L64 475C90 514 133 568 201 568C274 568 318 519 318 435C318 349 255 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36.1663ptpx;"><svg height="8.8423pt" id="M139" style="vertical-align:-0.2064009pt" version="1.1" viewbox="-0.0498162 -8.6359 36.1663 8.8423" width="36.1663pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M456 178V225H360V632H320C217 496 115 347 20 206V178H280V106C280 40 276 34 189 27V0H445V27C364 34 360 39 360 106V178H456ZM280 225H82C149 335 214 431 278 520H280V225Z" id="g113-53"></path></g><g transform="matrix(.013,0,0,-0.013,6.24,0)"><path d="M113 -12C146 -12 170 11 170 46C170 78 146 103 114 103S58 78 58 46C58 11 82 -12 113 -12Z" id="g113-47"></path></g><g transform="matrix(.013,0,0,-0.013,9.204,0)"><path d="M456 178V225H360V632H320C217 496 115 347 20 206V178H280V106C280 40 276 34 189 27V0H445V27C364 34 360 39 360 106V178H456ZM280 225H82C149 335 214 431 278 520H280V225Z" id="g113-53"></path></g><g transform="matrix(.013,0,0,-0.013,15.444,0)"><path d="M384 0V27C293 34 287 42 287 114V635C232 613 172 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International Journal of Polymer Science

tab3

Table 3

Table 3: Parameter Identification of Composite Materials Based on Spectral Model by Using Model Updating Method 