Design of Independent Type-B LNG Fuel Tank: Comparative Study between Finite Element Analysis and International Guidance

<table class="table-group" id="tab8"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Load cases</td><td class="align_center">Stress range (MPa)</td><td class="align_center"><svg height="11.927pt" id="M85" style="vertical-align:-3.291101pt" version="1.1" viewbox="-0.0498162 -8.6359 13.255 11.927" width="13.255pt" 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="M822 650H589L583 622C660 617 677 607 674 561C672 534 664 481 647 390L600 137H596L273 650H126L120 622C176 620 194 615 207 594C221 571 225 557 214 504L161 257C141 166 129 112 121 85C108 42 83 30 29 28L23 0H260L266 28C193 33 173 42 176 89C178 122 186 172 202 255L256 527H259L583 -8H612L690 390C708 481 720 535 728 558C744 603 756 619 816 622L822 650Z" id="g113-79"></path></g><g transform="matrix(.0091,0,0,-0.0091,10.062,3.132)"><path d="M250 606C250 634 233 656 203 656C168 656 146 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39 110C39 47 88 -12 159 -12C189 -12 237 25 277 52C282 35 288 21 301 8C312 -3 333 -12 348 -12L433 39ZM275 84C256 65 221 48 195 48C164 48 124 73 124 124C124 161 146 180 185 198C206 208 254 229 275 240V84Z" id="g190-98"></path></g><g transform="matrix(.0091,0,0,-0.0091,20.12,3.132)"><path d="M517 51L485 54C448 58 441 63 441 115V712C404 700 337 684 285 678V653C357 648 362 645 362 580V437C339 446 309 449 295 449C159 449 38 340 38 201C38 61 143 -12 223 -12C234 -12 261 -6 301 17L362 53V-12C420 9 495 22 517 26V51ZM362 85C338 67 301 51 266 51C201 51 128 109 128 228C128 373 212 411 259 411C296 411 338 395 362 360V85Z" id="g190-101"></path></g><g transform="matrix(.0091,0,0,-0.0091,24.925,3.132)"><path d="M135 536C164 536 186 560 186 587C186 617 164 639 136 639C109 639 85 617 85 587C85 560 109 536 135 536ZM252 0V26C188 32 181 38 181 106V451C138 433 90 420 39 412V388C99 379 102 374 102 312V106C102 38 95 32 32 26V0H252Z" id="g190-106"></path></g><g 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418 219 418ZM241 -11C285 -11 314 -14 339 -24C367 -36 384 -61 384 -95C384 -157 335 -206 240 -206C166 -206 108 -165 108 -110C108 -82 128 -54 154 -32C172 -17 195 -11 241 -11Z" id="g190-104"></path></g></svg>)</td><td class="align_center">Fatigue damage</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Acc. verti.</td><td class="align_center">73</td><td class="align_center">72,100</td><td class="align_center">10,000</td><td class="align_center">0.1387</td></tr><tr><td class="align_left">Acc. trans.</td><td class="align_center">53</td><td class="align_center">159,000</td><td class="align_center">10,000</td><td class="align_center">0.0629</td></tr><tr><td class="align_left">Acc. longi.</td><td class="align_center">48</td><td class="align_center">165,000</td><td class="align_center">10,000</td><td class="align_center">0.0606</td></tr><tr><td class="align_left">Bunkering</td><td class="align_center">120</td><td class="align_center">5,470</td><td class="align_center">1,000</td><td class="align_center">0.1828</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Fatigue analysis results according to each load case.</div>

Advances in Materials Science and Engineering

tab8

Table 8

Table 8: Design of Independent Type-B LNG Fuel Tank: Comparative Study between Finite Element Analysis and International Guidance 