Model Updating of a Stitched Sandwich Panel Based on Multistage Parameter Selection

<table class="table-group" id="tab7"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Case number</td><td class="align_center"><svg height="14.5772pt" id="M41" style="vertical-align:-2.9858pt" version="1.1" viewbox="-0.0498162 -11.5914 12.1837 14.5772" width="12.1837pt" 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="M212 391V464C146 445 80 427 26 418V388C75 381 84 376 84 321V-128C84 -184 80 -192 16 -198V-230H294V-198C216 -191 212 -184 212 -127V0C227 -6 249 -12 274 -12C402 17 517 114 517 261C517 357 454 454 336 454C319 454 301 447 281 435L212 391ZM212 354C229 369 250 378 275 378C324 378 385 333 385 210C385 106 347 38 293 38C268 38 231 59 212 77V354Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,7.111,-5.741)"><path d="M389 0V32C297 38 291 46 291 118V635C234 613 175 595 109 583V556L161 554C203 552 207 547 207 497V118C207 46 201 38 110 32V0H389Z"></path></g></svg></td><td class="align_center"><svg height="14.5772pt" id="M42" style="vertical-align:-2.9858pt" version="1.1" viewbox="-0.0498162 -11.5914 12.1837 14.5772" width="12.1837pt" 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="M212 391V464C146 445 80 427 26 418V388C75 381 84 376 84 321V-128C84 -184 80 -192 16 -198V-230H294V-198C216 -191 212 -184 212 -127V0C227 -6 249 -12 274 -12C402 17 517 114 517 261C517 357 454 454 336 454C319 454 301 447 281 435L212 391ZM212 354C229 369 250 378 275 378C324 378 385 333 385 210C385 106 347 38 293 38C268 38 231 59 212 77V354Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,7.111,-5.741)"><path d="M414 144C384 79 371 75 317 75H135L276 221C367 316 408 376 408 465C408 570 327 635 237 635C179 635 131 609 100 575L42 494L67 471C94 510 138 565 205 565C277 565 321 517 321 435C321 348 258 270 195 195C146 137 88 81 33 26V0H411C423 44 433 88 446 135L414 144Z"></path></g></svg></td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">1</td><td class="align_center">C11, C22, E1, E2</td><td class="align_center">C44, C55, C66, G12</td></tr><tr><td class="align_left">2</td><td class="align_center">C55, C66, E1, E2, G12</td><td class="align_center">C11, C22, C44</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Two cases of parameter groups.</div>

Mathematical Problems in Engineering

tab7

Table 7

Table 7: Model Updating of a Stitched Sandwich Panel Based on Multistage Parameter Selection 