Response Suppression of Multiple Hinged Floating Structures by Using Rubber Cushion

<div>The stress contour of the rubber cushion for three different distribution forms ((a) <span class="nowrap"><svg height="11.8174pt" id="M191" style="vertical-align:-3.1815pt" version="1.1" viewbox="-0.0498162 -8.6359 78.3307 11.8174" width="78.3307pt" 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="M534 494L526 650H85L77 494H107C123 564 127 582 189 582H423C485 582 488 567 505 494H534ZM472 234V444H443C433 381 426 374 374 374H231C185 374 179 382 169 444H139V234H168C178 297 184 305 237 305H374C426 305 433 297 443 234H472ZM560 171H532C506 91 498 72 417 72H195C113 72 106 93 80 171H51L62 0H550L560 171Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,7.891,3.132)"><path d="M679 650H432L424 619L456 615C499 610 507 601 486 568C442 499 366 400 315 336C281 403 229 526 211 570C199 600 202 610 239 614C239 614 281 618 281 619L288 650H33L24 619C98 612 106 606 129 552L226 325C238 297 238 282 234 259L211 136C193 42 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305 433 297 443 234H472ZM560 171H532C506 91 498 72 417 72H195C113 72 106 93 80 171H51L62 0H550L560 171Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,50.067,3.132)"><path d="M701 633L695 650H264C230 650 223 653 209 675H184C176 622 160 547 140 473L173 471C198 528 219 557 232 573C254 600 272 612 384 612H566L24 18L33 0H597C617 34 651 142 661 179L629 194C598 133 574 92 545 69C510 41 440 40 342 40C274 40 209 42 163 46L701 633Z"></path></g><g transform="matrix(.013,0,0,-0.013,60.554,0)"><path d="M535 323V373H52V323H535ZM535 138V188H52V138H535Z"></path></g><g transform="matrix(.013,0,0,-0.013,71.817,0)"><path d="M241 635C89 635 35 457 35 312C35 153 89 -12 240 -12C390 -12 443 166 443 312C443 466 390 635 241 635ZM238 602C329 602 354 454 354 312C354 172 330 22 240 22C152 22 124 173 124 313S148 602 238 602Z"></path></g></svg>,</span> (b) <span class="nowrap"><svg height="11.8174pt" id="M192" style="vertical-align:-3.1815pt" version="1.1" viewbox="-0.0498162 -8.6359 78.3307 11.8174" 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443 234H472ZM560 171H532C506 91 498 72 417 72H195C113 72 106 93 80 171H51L62 0H550L560 171Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,50.067,3.132)"><path d="M701 633L695 650H264C230 650 223 653 209 675H184C176 622 160 547 140 473L173 471C198 528 219 557 232 573C254 600 272 612 384 612H566L24 18L33 0H597C617 34 651 142 661 179L629 194C598 133 574 92 545 69C510 41 440 40 342 40C274 40 209 42 163 46L701 633Z"></path></g><g transform="matrix(.013,0,0,-0.013,60.554,0)"><path d="M535 323V373H52V323H535ZM535 138V188H52V138H535Z"></path></g><g transform="matrix(.013,0,0,-0.013,71.817,0)"><path d="M241 635C89 635 35 457 35 312C35 153 89 -12 240 -12C390 -12 443 166 443 312C443 466 390 635 241 635ZM238 602C329 602 354 454 354 312C354 172 330 22 240 22C152 22 124 173 124 313S148 602 238 602Z"></path></g></svg>,</span> and (c) <span class="nowrap"><svg height="11.8174pt" id="M193" style="vertical-align:-3.1815pt" version="1.1" viewbox="-0.0498162 -8.6359 78.3307 11.8174" width="78.3307pt" 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160 547 140 473L173 471C198 528 219 557 232 573C254 600 272 612 384 612H566L24 18L33 0H597C617 34 651 142 661 179L629 194C598 133 574 92 545 69C510 41 440 40 342 40C274 40 209 42 163 46L701 633Z"></path></g><g transform="matrix(.013,0,0,-0.013,60.554,0)"><path d="M535 323V373H52V323H535ZM535 138V188H52V138H535Z"></path></g><g transform="matrix(.013,0,0,-0.013,71.817,0)"><path d="M285 378C315 398 338 416 353 432C373 451 384 474 384 503C384 579 325 635 236 635H235C182 635 136 610 108 579L65 516L85 496C110 533 150 575 205 575C258 575 300 543 300 481C300 407 232 369 141 339L147 310C163 315 188 321 211 321C268 321 338 284 338 192C338 94 288 40 217 40C160 40 119 68 93 91C85 98 77 97 69 91C60 84 47 71 46 58C44 46 48 35 62 22C75 10 116 -12 162 -12C234 -12 424 62 424 224C424 297 373 359 285 376V378Z"></path></g></svg>)</span> for stiffness coefficient <svg height="14.8825pt" id="M194" style="vertical-align:-3.2911pt" version="1.1" viewbox="-0.0498162 -11.5914 80.7736 14.8825" width="80.7736pt" 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Shock and Vibration

fig19

Figure 19

Figure 19: Response Suppression of Multiple Hinged Floating Structures by Using Rubber Cushion 