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Kuramoto–Sivashinsky equation

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20: 831: 1671: 1680:, named after V. N. Nikolaevsky who introudced the equation in 1989, whereas the first two equations has been introduced recently in the context of transitions near tricritical points, i.e., change in the sign of the fourth derivative term with the plus sign approaching a Kuramoto–Sivashinsky type and the minus sign approaching a 63:
flame front. It was later and independently derived by G. M. Homsy and A. A. Nepomnyashchii in 1974, in connection with the stability of liquid film on an inclined plane and by R. E. LaQuey et. al. in 1975 in connection with trapped-ion instability. The Kuramoto–Sivashinsky equation is known for its
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Nikolaevskii, V. N. (1989). Dynamics of viscoelastic media with internal oscillators. In Recent Advances in Engineering Science: A Symposium dedicated to A. Cemal Eringen June 20–22, 1988, Berkeley, California (pp. 210-221). Berlin, Heidelberg: Springer Berlin
1290: 432: 1666:{\displaystyle {\begin{aligned}u_{t}+qu_{xx}+u_{xxxx}-u_{xxxxxx}+uu_{x}&=0,\quad q>0,\\u_{t}+u_{xx}-u_{xxxxxx}+uu_{x}&=0,\\u_{t}+qu_{xx}-u_{xxxx}-u_{xxxxxx}+uu_{x}&=0,\quad q>-1/4\\\end{aligned}}} 1106: 176: 985:
A third-order derivative term represneting dispersion of wavenumbers are often encountered in many applications. The disperseively modified Kuramoto–Sivashinsky equation, which is often called as the
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Akrivis, G., Papageorgiou, D. T., & Smyrlis, Y. S. (2012). Computational study of the dispersively modified Kuramoto–Sivashinsky equation. SIAM Journal on Scientific Computing, 34(2), A792-A813.
1315: 860:. After some time the system returns to its initial state, only translated slightly (~4 units) to the left. This particular solution has three unstable directions and three marginal directions. 269: 588: 894: 1136: 680: 486: 1714: 820: 455: 325: 779: 630: 541: 2451:
Matthews, P. C., & Cox, S. M. (2000). One-dimensional pattern formation with Galilean invariance near a stationary bifurcation. Physical Review E, 62(2), R1473.
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Chang, H. C.; Demekhin, E. A.; Kopelevich, D. I. (1993). "Laminarizing effects of dispersion in an active-dissipative nonlinear medium".
2169:; Davidchack, Ruslan L.; Siminos, Evangelos (2010). "On the State Space Geometry of the Kuramoto–Sivashinsky Flow in a Periodic Domain". 1991:"Backpropagation algorithms and Reservoir Computing in Recurrent Neural Networks for the forecasting of complex spatiotemporal dynamics" 1709: 995: 82: 56: 334:
The Kuramoto–Sivashinsky equation can also be generalized to higher dimensions. In spatially periodic domains, one possibility is
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is real parameter. A fifth-order derivative term is also often included, which is the modified Kawahara equation and is given by
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Sivashinsky, G.I. (1977). "Nonlinear analysis of hydrodynamic instability in laminar flames—I. Derivation of basic equations".
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is a velocity, this change of variable describes a transformation into a frame that is moving with constant relative velocity
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Tribelsky, M. I., & Tsuboi, K. (1996). New scenario for transition to turbulence?. Physical review letters, 76(10), 1631.
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Solutions of the Kuramoto–Sivashinsky equation possess rich dynamical characteristics. Considered on a periodic domain
969: 187: 1863:. Lectures in Applied Mathematics. Vol. 15. Providence: American Mathematical Society. pp. 191–194. 1692:
Applications of the Kuramoto–Sivashinsky equation extend beyond its original context of flame propagation and
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A converged relative periodic orbit for the KS equation with periodic boundary conditions for a domain size
1942:"Model-Free Prediction of Large Spatiotemporally Chaotic Systems from Data: A Reservoir Computing Approach" 1989:
Vlachas, P.R.; Pathak, J.; Hunt, B.R.; Sapsis, T.P.; Girvan, M.; Ott, E.; Koumoutsakos, P. (2020-03-21).
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Three forms of the sixth-order Kuramoto–Sivashinsky equations are encountered in applications involving
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Nepomnyashchii, A. A. (1975). "Stability of wavy conditions in a film flowing down an inclined plane".
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Papageorgiou, D.T.; Smyrlis, Y.S. (1991), "The route to chaos for the Kuramoto-Sivashinsky equation",
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Cuerno, Rodolfo; Barabási, Albert-László (1995). "Dynamic Scaling of Ion-Sputtered Surfaces".
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Homsy, G. M. (1974). "Model equations for wavy viscous film flow". In Newell, A. (ed.).
830: 2093: 2060: 1285:{\displaystyle u_{t}+u_{xx}+\delta _{3}u_{xxx}+u_{xxxx}+\delta _{5}u_{xxxxx}+uu_{x}=0.} 951: 927: 903: 725: 705: 685: 501: 328: 277: 2547: 2358: 2299: 2235: 2042: 1824:
Sivashinsky, G. I. (1980). "On Flame Propagation Under Conditions of Stoichiometry".
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Michelson, Daniel (1986). "Steady solutions of the Kuramoto-Sivashinsky equation".
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Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences
1958: 1941: 921: 65: 60: 2061:"An in-depth numerical study of the two-dimensional Kuramoto–Sivashinsky equation" 2410: 2393: 2116:
Tadmor, Eitan (1986). "The Well-Posedness of the Kuramoto–Sivashinsky Equation".
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Pathak, Jaideep; Hunt, Brian; Girvan, Michelle; Lu, Zhixin; Ott, Edward (2018).
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is increased. In particular, the transition to chaos occurs by a cascade of
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A spatiotemporal plot of a simulation of the Kuramoto–Sivashinsky equation
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Laquey, R. E.; Mahajan, S. M.; Rutherford, P. H.; Tang, W. M. (1975).
2138: 2129: 1837: 1700:, chemical reaction dynamics, and models of ion-sputtered surfaces. 2314:"Approximate equations for long nonlinear waves on a viscous fluid" 2007: 2183: 829: 1101:{\displaystyle u_{t}+u_{xx}+\delta _{3}u_{xxx}+u_{xxxx}+uu_{x}=0} 171:{\displaystyle u_{t}+u_{xx}+u_{xxxx}+{\frac {1}{2}}u_{x}^{2}=0} 944:, solutions may include equilibria, relative equilibria, and 2161: 2159: 2157: 2059:
Kalogirou, A.; Keaveny, E. E.; Papageorgiou, D. T. (2015).
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in the sense of Hadamard—that is, for given initial data
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The 1d version of the Kuramoto–Sivashinsky equation is
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Physically, since 504:for the 1d Kuramoto–Sivashinsky equation is 274:obtained by differentiating with respect to 1754:Progress of Theoretical Physics Supplement 920:is increased, culminating in the onset of 2474: 2409: 2329: 2281: 2182: 2171:SIAM Journal on Applied Dynamical Systems 2137: 2092: 2016: 2006: 1957: 1765: 1651: 1619: 1588: 1566: 1550: 1534: 1507: 1476: 1460: 1447: 1407: 1376: 1354: 1338: 1322: 1314: 1312: 1270: 1242: 1232: 1210: 1191: 1181: 1165: 1152: 1146: 1122: 1116: 1086: 1061: 1042: 1032: 1016: 1003: 997: 981:Dispersive Kuramoto–Sivashinsky equations 953: 929: 905: 869: 839: 786: 751: 727: 707: 687: 637: 602: 548: 513: 472: 466: 442: 409: 404: 392: 382: 370: 348: 342: 311: 299: 279: 249: 224: 208: 195: 189: 156: 151: 137: 119: 103: 90: 84: 2318:Journal of the Physical Society of Japan 18: 1740: 583:{\displaystyle u(x,0\leq t<\infty )} 976:Modified Kuramoto–Sivashinsky equation 2387: 2385: 2118:SIAM Journal on Mathematical Analysis 896:, the dynamics undergoes a series of 7: 924:behavior. Depending on the value of 2392:Rajamanickam, P.; Daou, J. (2023). 1826:SIAM Journal on Applied Mathematics 574: 469: 444: 397: 367: 357: 14: 2312:Topper, J.; Kawahara, T. (1978). 543:, there exists a unique solution 2530:"Kuramoto-Sivashinsky Equation" 2262:Theoret. Comput. Fluid Dynamics 1638: 1426: 57:diffusive–thermal instabilities 2347:Physica D: Nonlinear Phenomena 2224:Physica D: Nonlinear Phenomena 1959:10.1103/PhysRevLett.120.024102 1710:Michelson–Sivashinsky equation 809: 794: 768: 756: 663: 642: 619: 607: 577: 553: 530: 518: 405: 393: 43:) is a fourth-order nonlinear 1: 889:{\displaystyle 0\leq x\leq L} 45:partial differential equation 33:Kuramoto–Sivashinsky equation 16:Partial differential equation 2411:10.13023/psmij.2023.04-01-02 2359:10.1016/0167-2789(93)90113-F 2236:10.1016/0167-2789(86)90055-2 2018:10.1016/j.neunet.2020.02.016 1803:10.1016/0094-5765(77)90096-0 970:period-doubling bifurcations 2485:10.1103/PhysRevLett.74.4746 1131:{\displaystyle \delta _{3}} 675:{\displaystyle u(x-ct,t)-c} 481:{\displaystyle \Delta ^{2}} 327:. This is the form used in 2585: 2398:Progress in Scale Modeling 1927:10.1103/PhysRevLett.34.391 1748:Kuramoto, Yoshiki (1978). 1694:reaction–diffusion systems 632:is a solution, then so is 815:{\displaystyle -u(-x,t)} 2463:Physical Review Letters 1946:Physical Review Letters 1915:Physical Review Letters 450:{\displaystyle \Delta } 320:{\displaystyle v=u_{x}} 2554:Differential equations 2077:10.1098/rspa.2014.0932 1667: 1286: 1132: 1102: 962: 938: 914: 890: 861: 854: 816: 775: 774:{\displaystyle u(x,t)} 736: 716: 696: 676: 626: 625:{\displaystyle u(x,t)} 584: 537: 536:{\displaystyle u(x,0)} 482: 451: 428: 321: 288: 265: 172: 24: 1861:Nonlinear Wave Motion 1668: 1304:, which are given by 1296:Sixth-order equations 1287: 1133: 1103: 963: 939: 915: 891: 855: 833: 817: 776: 737: 717: 697: 677: 627: 585: 538: 483: 452: 429: 322: 289: 266: 181:An alternate form is 173: 22: 2331:10.1143/JPSJ.44.2003 1797:(11–12): 1177–1206. 1720:List of chaotic maps 1682:Ginzburg–Landau type 1678:Nikolaevsky equation 1311: 1145: 1115: 996: 952: 928: 904: 868: 853:{\displaystyle L=35} 838: 822:is also a solution. 785: 781:is a solution, then 750: 726: 706: 686: 636: 601: 547: 512: 465: 441: 341: 298: 278: 188: 83: 47:. It is named after 2167:Cvitanović, Predrag 1869:1974LApM...15.....N 1767:10.1143/PTPS.64.346 1730:Laminar flame speed 900:as the domain size 744:reflection symmetry 595:Galilean invariance 490:biharmonic operator 161: 53:Gregory Sivashinsky 2527:Weisstein, Eric W. 2274:10.1007/BF00271514 2071:(2179): 20140932. 1896:10.1007/BF01025515 1663: 1661: 1302:tricritical points 1282: 1128: 1098: 958: 934: 910: 886: 862: 850: 812: 771: 732: 712: 692: 672: 622: 580: 533: 478: 447: 424: 317: 284: 261: 168: 147: 25: 2469:(23): 4746–4749. 2193:10.1137/070705623 1791:Acta Astronautica 1725:Clarke's equation 987:Kawahara equation 961:{\displaystyle L} 937:{\displaystyle L} 913:{\displaystyle L} 735:{\displaystyle c} 715:{\displaystyle u} 695:{\displaystyle c} 390: 294:and substituting 287:{\displaystyle x} 145: 35:(also called the 2576: 2540: 2539: 2513: 2512: 2478: 2476:cond-mat/9411083 2458: 2452: 2449: 2443: 2440: 2434: 2430: 2424: 2423: 2413: 2389: 2380: 2377: 2371: 2370: 2353:(3–4): 299–320. 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678: 673: 631: 629: 628: 623: 589: 587: 586: 581: 542: 540: 539: 534: 487: 485: 484: 479: 477: 476: 459:Laplace operator 456: 454: 453: 448: 433: 431: 430: 425: 414: 413: 408: 396: 391: 383: 375: 374: 353: 352: 326: 324: 323: 318: 316: 315: 293: 291: 290: 285: 270: 268: 267: 262: 254: 253: 238: 237: 216: 215: 200: 199: 177: 175: 174: 169: 160: 155: 146: 138: 133: 132: 111: 110: 95: 94: 49:Yoshiki Kuramoto 2584: 2583: 2579: 2578: 2577: 2575: 2574: 2573: 2544: 2543: 2525: 2524: 2521: 2516: 2460: 2459: 2455: 2450: 2446: 2441: 2437: 2431: 2427: 2391: 2390: 2383: 2378: 2374: 2344: 2343: 2339: 2311: 2310: 2306: 2259: 2258: 2251: 2221: 2220: 2216: 2165: 2164: 2155: 2130:10.1137/0517063 2115: 2114: 2110: 2058: 2057: 2050: 1995:Neural Networks 1988: 1987: 1983: 1939: 1938: 1934: 1908: 1907: 1903: 1881: 1880: 1876: 1858: 1857: 1853: 1838:10.1137/0139007 1823: 1822: 1818: 1788: 1787: 1783: 1747: 1746: 1742: 1738: 1706: 1690: 1660: 1659: 1625: 1615: 1584: 1562: 1546: 1530: 1527: 1526: 1513: 1503: 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1049: 1046: 1043: 1039: 1033: 1029: 1025: 1020: 1017: 1013: 1009: 1004: 1000: 992: 991: 990: 988: 980: 975: 973: 971: 955: 947: 931: 923: 907: 899: 883: 880: 877: 874: 871: 847: 844: 841: 832: 825: 823: 806: 803: 800: 797: 791: 788: 765: 762: 759: 753: 745: 729: 709: 689: 669: 666: 660: 657: 654: 651: 648: 645: 639: 616: 613: 610: 604: 597:—that is, if 596: 591: 571: 568: 565: 562: 559: 556: 550: 527: 524: 521: 515: 507: 503: 495: 493: 491: 473: 460: 421: 418: 415: 410: 400: 387: 384: 379: 376: 371: 363: 360: 354: 349: 345: 337: 336: 335: 332: 330: 312: 308: 304: 301: 281: 258: 255: 250: 246: 242: 239: 234: 231: 228: 225: 221: 217: 212: 209: 205: 201: 196: 192: 184: 183: 182: 165: 162: 157: 152: 148: 142: 139: 134: 129: 126: 123: 120: 116: 112: 107: 104: 100: 96: 91: 87: 79: 78: 77: 71: 69: 67: 62: 58: 54: 50: 46: 42: 38: 34: 30: 21: 2569:Chaotic maps 2533: 2466: 2462: 2456: 2447: 2438: 2428: 2401: 2397: 2375: 2350: 2346: 2340: 2321: 2317: 2307: 2265: 2261: 2227: 2223: 2217: 2174: 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1478:x 1474:u 1465:x 1462:x 1458:u 1454:+ 1449:t 1445:u 1437:, 1434:0 1428:q 1424:, 1421:0 1418:= 1409:x 1405:u 1401:u 1398:+ 1393:x 1390:x 1387:x 1384:x 1381:x 1378:x 1374:u 1365:x 1362:x 1359:x 1356:x 1352:u 1348:+ 1343:x 1340:x 1336:u 1332:q 1329:+ 1324:t 1320:u 1277:= 1272:x 1268:u 1264:u 1261:+ 1256:x 1253:x 1250:x 1247:x 1244:x 1240:u 1234:5 1226:+ 1221:x 1218:x 1215:x 1212:x 1208:u 1204:+ 1199:x 1196:x 1193:x 1189:u 1183:3 1175:+ 1170:x 1167:x 1163:u 1159:+ 1154:t 1150:u 1124:3 1096:0 1093:= 1088:x 1084:u 1080:u 1077:+ 1072:x 1069:x 1066:x 1063:x 1059:u 1055:+ 1050:x 1047:x 1044:x 1040:u 1034:3 1026:+ 1021:x 1018:x 1014:u 1010:+ 1005:t 1001:u 956:L 932:L 908:L 884:L 878:x 872:0 845:= 842:L 810:) 807:t 804:, 801:x 795:( 792:u 769:) 766:t 763:, 760:x 757:( 754:u 730:c 710:u 690:c 670:c 664:) 661:t 658:, 655:t 652:c 646:x 643:( 640:u 620:) 617:t 614:, 611:x 608:( 605:u 578:) 569:t 563:0 560:, 557:x 554:( 551:u 531:) 528:0 525:, 522:x 519:( 516:u 474:2 422:, 419:0 416:= 411:2 406:| 401:u 394:| 388:2 385:1 380:+ 377:u 372:2 364:+ 361:u 355:+ 350:t 346:u 313:x 309:u 305:= 302:v 282:x 259:0 256:= 251:x 247:v 243:v 240:+ 235:x 232:x 229:x 226:x 222:v 218:+ 213:x 210:x 206:v 202:+ 197:t 193:v 166:0 163:= 158:2 153:x 149:u 143:2 140:1 135:+ 130:x 127:x 124:x 121:x 117:u 113:+ 108:x 105:x 101:u 97:+ 92:t 88:u

Index


mathematics
partial differential equation
Yoshiki Kuramoto
Gregory Sivashinsky
diffusive–thermal instabilities
laminar
chaotic
fluid dynamics
Laplace operator
biharmonic operator
Cauchy problem
well-posed
Galilean invariance
reflection symmetry

bifurcations
chaotic
traveling waves
period-doubling bifurcations
tricritical points
Ginzburg–Landau type
reaction–diffusion systems
plasmas
Michelson–Sivashinsky equation
List of nonlinear partial differential equations
List of chaotic maps
Clarke's equation
Laminar flame speed
"Diffusion-Induced Chaos in Reaction Systems"

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