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Computational physics

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based on mathematical models provide very precise predictions on how systems behave. Unfortunately, it is often the case that solving the mathematical model for a particular system in order to produce a useful prediction is not feasible. This can occur, for instance, when the solution does not have a
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to calculate properties of solids, a method similar to that used by chemists to study molecules. Other quantities of interest in solid state physics, such as the electronic band structure, magnetic properties and charge densities can be calculated by this and several methods, including the
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Because computational physics uses a broad class of problems, it is generally divided amongst the different mathematical problems it numerically solves, or the methods it applies. Between them, one can consider:
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There is a debate about the status of computation within the scientific method. Sometimes it is regarded as more akin to theoretical physics; some others regard computer simulation as "
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Computational physics problems are in general very difficult to solve exactly. This is due to several (mathematical) reasons: lack of algebraic and/or analytic solvability,
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A representation of the multidisciplinary nature of computational physics both as an overlap of physics, applied mathematics, and computer science and as a bridge among them
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in the size of the system and for classical N-body it is of order N-squared. Finally, many physical systems are inherently nonlinear at best, and at worst
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Due to the broad class of problems computational physics deals, it is an essential component of modern research in different areas of physics, namely:
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with physical objects and the environment. One subfield at the confluence between CFD and electromagnetic modelling is
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This article is about computational science applied in physics. For theories comparing the universe to a computer, see
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Sauer, Tim; Grebogi, Celso; Yorke, James A (1997). "How Long Do Numerical Chaotic Solutions Remain Valid?".
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constituent particles, so it is somewhat of a problem. Solving quantum mechanical problems is generally of
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All these methods (and several others) are used to calculate physical properties of the modeled systems.
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is a (relatively) new field interested in finding numerical solutions to the field equations of both
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itself, applying methods of computer science and physics to large complex biological problems.
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It is possible to find a corresponding computational branch for every major field in physics:
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makes heavy use of Monte Carlo-like methods. More broadly, (particularly through the use of
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is the application of these techniques and methods to astrophysical problems and phenomena.
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is a very important division of computational physics dealing directly with
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International Journal of Modern Physics C (IJMPC): Physics and Computers
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is also sometimes used (a working is shown for this particular example
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B. Stickler, E. Schachinger, Basic concepts in computational physics,
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A survey of computational physics: introductory computational science
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to solve the problems (as the problems usually can be very large, in
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Landau, Rubin H.; Páez, Manuel J.; Bordeianu, Cristian C. (2015).
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which deals with the simulation of models and theories (such as
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do not grow to the point of rendering the 'solution' useless.
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Landau, Rubin H.; Paez, Jose; Bordeianu, Cristian C. (2011).
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American Physical Society: Division of Computational Physics
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Computational physics also borrows a number of ideas from
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CECAM - Centre européen de calcul atomique et moléculaire
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is a rapidly growing field that was developed due to the
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Numerical simulations of physical problems via computers
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SciDAC: Scientific Discovery through Advanced Computing
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Computational solid state physics, for example, uses
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"Simulating physics with computers". 312: 8: 1076:International Journal of Theoretical Physics 419:of an electron orbiting an atom in a strong 1032: 1030: 857:physics, hypervelocity impact physics etc. 833:), simulating physical systems (using e.g. 1931: 1917: 1909: 1675: 1661: 1653: 1323: 1309: 1301: 319: 305: 51: 40: 1235:Science in the Age of Computer Simulation 897:Division of Computational Physics (DCOMP) 470: 464: 703:) that are difficult to solve otherwise. 1176:Practical Guide to Computer Simulations 942: 43: 2648:Knowledge representation and reasoning 1521:Atomic, molecular, and optical physics 2673:Philosophy of artificial intelligence 7: 1992:Energy consumption (Green computing) 1291:SCINET Scientific Software Framework 691:is a field related to computational 2678:Distributed artificial intelligence 1950:ACM Computing Classification System 407:Challenges in computational physics 334:is the study and implementation of 2183:Integrated development environment 839:nuclear engineering computer codes 655:computational magnetohydrodynamics 25: 2658:Automated planning and scheduling 2188:Software configuration management 931:Car–Parrinello molecular dynamics 926:Timeline of computational physics 2912: 2902: 2893: 2892: 2903: 2306:Computational complexity theory 1642:Timeline of physics discoveries 532:ordinary differential equations 175:Smoothed particle hydrodynamics 2090:Network performance evaluation 823:lattice quantum chromodynamics 776:is a branch of biophysics and 758:Computational particle physics 556:partial differential equations 1: 2944:Computational fields of study 2461:Multimedia information system 2446:Geographic information system 2436:Enterprise information system 2025:Computer systems organization 647:Computational electrodynamics 170:Dissipative particle dynamics 2820:Computational social science 2408:Theoretical computer science 2221:Software development process 1997:Electronic design automation 1982:Very Large Scale Integration 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healthcare 2830:Differentiable computing 2749:Graphics processing unit 2168:Domain-specific language 2037:Computational complexity 1543:Condensed matter physics 774:Computational biophysics 449:computational complexity 2810:Computational chemistry 2744:Photograph manipulation 2635:Artificial intelligence 2451:Decision support system 1130:Physical Review Letters 663:Computational chemistry 627:Computational mechanics 589:computational chemistry 550:Monte Carlo integration 479:{\displaystyle 10^{23}} 110:Lennard-Jones potential 2875:Educational technology 2706:Reinforcement learning 2456:Process control system 2354:Computational geometry 2344:Algorithmic efficiency 2339:Analysis of algorithms 1987:Systems on Chip (SoCs) 1898:Transportation science 1627:Nobel Prize in Physics 1489:Relativistic mechanics 953:Thijssen, Jos (2007). 734:spread of forest fires 651:electromagnetic fields 502:Methods and algorithms 480: 457:classical counterparts 377:closed-form expression 370:In physics, different 367: 36:physics of computation 2939:Computational physics 2845:Electronic publishing 2815:Computational biology 2805:Computational physics 2701:Unsupervised learning 2615:Distributed computing 2491:Information retrieval 2398:Mathematical analysis 2388:Mathematical software 2271:Theory of computation 2236:Software construction 2226:Requirements analysis 2104:Software organization 2032:Computer architecture 2002:Hardware acceleration 1967:Printed circuit board 1684:Computational science 1632:Philosophy of physics 990:John Wiley & Sons 955:Computational Physics 855:soft condensed matter 778:computational biology 689:statistical mechanics 633:(CFD), computational 608:processing power need 516:Newton-Raphson method 481: 365: 344:computational science 338:to solve problems in 332:Computational physics 45:Computational physics 18:Computational Physics 2605:Concurrent computing 2577:Ubiquitous computing 2549:Application security 2544:Information security 2373:Discrete mathematics 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In addition, the 401:experimental physics 397:computer experiments 352:experimental physics 210:Metropolis algorithm 2880:Document management 2870:Operations research 2795:Enterprise software 2711:Multi-task learning 2696:Supervised learning 2418:Information systems 2241:Software deployment 2198:Software repository 2052:Real-time computing 1748:Molecular mechanics 1566:Atmospheric physics 1405:Classical mechanics 1333:branches of physics 1286:Open Source Physics 1142:1997PhRvL..79...59S 1088:1982IJTP...21..467F 1072:Feynman, Richard P. 1048:University of Udine 1046:, Furio Ercolessi, 920:Open Source Physics 915:theoretical physics 851:solid state physics 791:accelerator physics 710:statistical physics 676:solid state physics 536:Runge–Kutta methods 437:perturbation theory 348:theoretical physics 193:Monte Carlo methods 2663:Search methodology 2610:Parallel computing 2567:Interaction design 2476:Computing platform 2403:Numerical analysis 2393:Information theory 2178:Software framework 2141:Software notations 2080:Network components 1977:Integrated circuit 1705:Biological systems 1622:History of physics 1274:2015-02-13 at the 1257:2015-11-15 at the 1191:2004-11-03 at the 1096:10.1007/bf02650179 1057:2015-09-24 at the 1042:2015-01-11 at the 847:weather prediction 835:molecular dynamics 750:general relativity 746:special relativity 637:and computational 604:hardware structure 476: 453:many-body problems 445:computational cost 368: 336:numerical analysis 238:Molecular dynamics 2926: 2925: 2855:Electronic voting 2785:Quantum Computing 2778:Applied computing 2764:Image compression 2534:Hardware security 2524:Security services 2481:Digital marketing 2261:Open-source model 2173:Modeling language 2085:Network scheduler 1906: 1905: 1873:Materials science 1753:Quantum mechanics 1650: 1649: 1637:Physics education 1586:Materials science 1553:Interdisciplinary 1511:Quantum mechanics 718:cellular automata 639:contact mechanics 560:finite difference 488:exponential order 429:graphical methods 391:Status in physics 329: 328: 180:Turbulence models 160:Lattice Boltzmann 140:Finite difference 16:(Redirected from 2951: 2916: 2915: 2906: 2905: 2896: 2895: 2716:Cross-validation 2688:Machine learning 2572:Social computing 2539:Network security 2334:Algorithm design 2256:Programming team 2216:Control variable 2193:Software library 2131:Software quality 2126:Operating system 2075:Network protocol 1940:Computer science 1933: 1926: 1919: 1910: 1796:Particle physics 1776:Electromagnetics 1677: 1670: 1663: 1654: 1576:Chemical physics 1516:Particle physics 1442:Classical optics 1325: 1318: 1311: 1302: 1202:Steven E. 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sampling 202: 196: 191: 190: 187: 186: 183: 182: 177: 172: 167: 165:Riemann solver 162: 157: 152: 150:Finite element 147: 142: 136: 133:Fluid dynamics 131: 130: 127: 126: 123: 122: 117: 112: 107: 101: 98: 97: 94: 93: 92: 91: 85: 83:Thermodynamics 80: 75: 70: 65: 57: 56: 48: 47: 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 2956: 2945: 2942: 2940: 2937: 2936: 2934: 2919: 2911: 2909: 2901: 2899: 2891: 2890: 2887: 2881: 2878: 2876: 2873: 2871: 2868: 2866: 2863: 2861: 2858: 2856: 2853: 2851: 2848: 2846: 2843: 2841: 2838: 2836: 2833: 2831: 2828: 2826: 2823: 2821: 2818: 2816: 2813: 2811: 2808: 2806: 2803: 2801: 2798: 2796: 2793: 2791: 2788: 2786: 2783: 2782: 2780: 2776: 2770: 2767: 2765: 2762: 2760: 2757: 2755: 2754:Mixed reality 2752: 2750: 2747: 2745: 2742: 2740: 2737: 2735: 2732: 2731: 2729: 2727: 2723: 2717: 2714: 2712: 2709: 2707: 2704: 2702: 2699: 2697: 2694: 2693: 2691: 2689: 2685: 2679: 2676: 2674: 2671: 2669: 2666: 2664: 2661: 2659: 2656: 2654: 2651: 2649: 2646: 2644: 2641: 2640: 2638: 2636: 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2209: 2205: 2199: 2196: 2194: 2191: 2189: 2186: 2184: 2181: 2179: 2176: 2174: 2171: 2169: 2166: 2164: 2161: 2159: 2156: 2154: 2151: 2150: 2148: 2146: 2142: 2138: 2132: 2129: 2127: 2124: 2122: 2119: 2117: 2114: 2112: 2109: 2108: 2106: 2102: 2096: 2093: 2091: 2088: 2086: 2083: 2081: 2078: 2076: 2073: 2071: 2068: 2067: 2065: 2063: 2059: 2053: 2050: 2048: 2045: 2043: 2042:Dependability 2040: 2038: 2035: 2033: 2030: 2029: 2027: 2023: 2017: 2013: 2010: 2008: 2005: 2003: 2000: 1998: 1995: 1993: 1990: 1988: 1985: 1983: 1980: 1978: 1975: 1973: 1970: 1968: 1965: 1964: 1962: 1960: 1956: 1951: 1945: 1941: 1934: 1929: 1927: 1922: 1920: 1915: 1914: 1911: 1899: 1896: 1894: 1891: 1889: 1886: 1884: 1881: 1879: 1876: 1874: 1871: 1869: 1866: 1865: 1863: 1859: 1853: 1850: 1848: 1845: 1843: 1840: 1839: 1837: 1835: 1831: 1825: 1822: 1820: 1817: 1816: 1814: 1812: 1808: 1802: 1799: 1797: 1794: 1792: 1789: 1787: 1784: 1782: 1779: 1777: 1774: 1772: 1769: 1768: 1766: 1764: 1760: 1754: 1751: 1749: 1746: 1744: 1741: 1740: 1738: 1736: 1732: 1726: 1725:Phylogenetics 1723: 1721: 1718: 1716: 1713: 1711: 1708: 1706: 1703: 1701: 1698: 1697: 1695: 1693: 1689: 1685: 1678: 1673: 1671: 1666: 1664: 1659: 1658: 1655: 1643: 1640: 1638: 1635: 1633: 1630: 1628: 1625: 1623: 1620: 1619: 1617: 1613: 1607: 1604: 1602: 1601:Ocean physics 1599: 1597: 1594: 1592: 1589: 1587: 1584: 1582: 1579: 1577: 1574: 1572: 1569: 1567: 1564: 1562: 1559: 1558: 1556: 1554: 1550: 1544: 1541: 1537: 1536:Modern optics 1534: 1532: 1529: 1527: 1524: 1523: 1522: 1519: 1517: 1514: 1512: 1509: 1507: 1504: 1500: 1497: 1495: 1492: 1491: 1490: 1487: 1486: 1484: 1482: 1478: 1470: 1467: 1465: 1462: 1461: 1460: 1457: 1453: 1450: 1448: 1445: 1444: 1443: 1440: 1438: 1435: 1433: 1430: 1426: 1423: 1421: 1418: 1416: 1413: 1411: 1408: 1407: 1406: 1403: 1402: 1400: 1398: 1394: 1386: 1385:Computational 1383: 1382: 1381: 1378: 1376: 1373: 1372: 1370: 1366: 1358: 1355: 1354: 1353: 1350: 1348: 1345: 1344: 1342: 1338: 1334: 1326: 1321: 1319: 1314: 1312: 1307: 1306: 1303: 1297: 1294: 1292: 1289: 1287: 1284: 1282: 1279: 1277: 1273: 1270: 1267: 1265: 1262: 1260: 1256: 1253: 1250: 1249: 1245: 1240: 1236: 1233:E. Winsberg, 1232: 1229: 1228:9783319024349 1225: 1221: 1217: 1214: 1210: 1207: 1203: 1200: 1198: 1194: 1190: 1187: 1184: 1181: 1177: 1173: 1172: 1168: 1159: 1155: 1151: 1147: 1143: 1139: 1135: 1131: 1124: 1121: 1118: 1113: 1109: 1105: 1101: 1097: 1093: 1089: 1085: 1081: 1077: 1073: 1067: 1064: 1060: 1056: 1053: 1049: 1045: 1041: 1038: 1033: 1031: 1027: 1022: 1020:9780691131375 1016: 1012: 1008: 1007: 999: 996: 991: 987: 986: 978: 975: 970: 964: 960: 956: 949: 947: 943: 936: 932: 929: 927: 924: 921: 918: 916: 912: 909: 907: 904: 902: 898: 895: 893: 890: 888: 885: 884: 880: 878: 876: 872: 868: 863: 858: 856: 852: 848: 844: 840: 836: 832: 828: 824: 820: 816: 812: 808: 804: 800: 796: 792: 784: 779: 775: 772: 771: 767: 764: 763: 759: 756: 755: 751: 747: 743: 740: 739: 735: 731: 727: 723: 719: 715: 711: 707: 706: 702: 698: 694: 690: 686: 685: 681: 677: 673: 672: 668: 664: 661: 660: 656: 652: 648: 645: 644: 640: 636: 632: 628: 625: 624: 623: 617: 615: 613: 609: 605: 601: 597: 592: 590: 585: 579: 575: 571: 568: 565: 561: 557: 554: 551: 547: 543: 540: 537: 533: 530: 527: 523: 520: 517: 513: 510: 509: 508: 501: 499: 497: 493: 489: 471: 467: 458: 454: 450: 446: 442: 438: 434: 430: 426: 422: 418: 414: 406: 404: 402: 398: 390: 388: 386: 382: 378: 373: 364: 357: 355: 353: 349: 345: 341: 337: 333: 322: 317: 315: 310: 308: 303: 302: 300: 299: 292: 289: 287: 284: 282: 279: 277: 274: 272: 269: 267: 264: 262: 259: 257: 254: 253: 247: 246: 239: 236: 234: 231: 229: 226: 225: 219: 218: 211: 208: 206: 203: 201: 198: 197: 194: 189: 188: 181: 178: 176: 173: 171: 168: 166: 163: 161: 158: 156: 153: 151: 148: 146: 145:Finite volume 143: 141: 138: 137: 134: 129: 128: 121: 118: 116: 113: 111: 108: 106: 103: 102: 96: 95: 89: 86: 84: 81: 79: 76: 74: 71: 69: 66: 64: 61: 60: 59: 58: 54: 50: 49: 46: 42: 37: 33: 19: 2850:Cyberwarfare 2804: 2509:Cryptography 1771:Astrophysics 1762: 1720:Neuroscience 1561:Astrophysics 1384: 1375:Experimental 1234: 1136:(1): 59–62. 1133: 1129: 1123: 1079: 1075: 1066: 1005: 998: 984: 977: 954: 911:Mathematical 859: 821:(especially 795:astrophysics 788: 785:Applications 629:consists of 621: 593: 586: 583: 572:(using e.g. 558:(using e.g. 544:(using e.g. 534:(using e.g. 524:(using e.g. 514:(using e.g. 512:root finding 505: 433:root finding 425:Stark effect 417:wavefunction 410: 394: 369: 331: 330: 73:Multiphysics 44: 2860:Video games 2840:Digital art 2597:Concurrency 2466:Data mining 2378:Probability 2111:Interpreter 1888:Engineering 1878:Mathematics 1811:Linguistics 1464:Statistical 1380:Theoretical 1357:Engineering 1237:. Chicago: 1117:Article PDF 1052:Article PDF 701:spin models 697:percolation 562:method and 542:integration 455:(and their 266:von Neumann 200:Integration 2933:Categories 2918:Glossaries 2790:E-commerce 2383:Statistics 2326:Algorithms 2284:Stochastic 2116:Middleware 1972:Peripheral 1883:Statistics 1824:Lexicology 1786:Geophysics 1581:Geophysics 1571:Biophysics 1415:Analytical 1368:Approaches 937:References 871:k.p method 732:) and the 564:relaxation 413:complexity 250:Scientists 99:Potentials 88:Simulation 2739:Rendering 2734:Animation 2365:computing 2316:Semantics 2007:Processor 1893:Semiotics 1852:Economics 1847:Sociology 1819:Semantics 1791:Mechanics 1735:Chemistry 1710:Cognition 1531:Molecular 1432:Acoustics 1425:Continuum 1420:Celestial 1410:Newtonian 1397:Classical 1340:Divisions 1158:102493915 1112:124545445 1104:0020-7748 1050:, Italy. 877:methods. 875:ab-initio 801:(through 730:SIR Model 618:Divisions 381:algorithm 291:Richtmyer 63:Mechanics 2898:Category 2726:Graphics 2501:Security 2163:Compiler 2062:Networks 1959:Hardware 1842:Politics 1715:Genomics 1272:Archived 1255:Archived 1222:(2013). 1189:Archived 1055:Archived 1040:Archived 881:See also 600:software 372:theories 358:Overview 271:Galerkin 222:Particle 2908:Outline 1868:Finance 1763:Physics 1700:Anatomy 1692:Biology 1615:Related 1499:General 1494:Special 1352:Applied 1241:, 2010. 1138:Bibcode 1084:Bibcode 899:of the 598:of the 566:method) 492:chaotic 340:physics 256:Godunov 1526:Atomic 1481:Modern 1331:Major 1226:  1215:(2010) 1208:(1986) 1182:(2009) 1156:  1110:  1102:  1017:  965:  610:or in 596:tuning 281:Wilson 276:Lorenz 228:N-body 2311:Logic 2145:tools 1861:Other 1154:S2CID 1108:S2CID 829:(see 385:error 286:Alder 2143:and 2016:Form 2012:Size 1452:Wave 1347:Pure 1224:ISBN 1100:ISSN 1015:ISBN 963:ISBN 913:and 873:and 748:and 716:and 699:and 576:and 548:and 451:for 447:and 441:here 261:Ulam 1447:Ray 1146:doi 1092:doi 837:), 825:), 813:), 805:), 614:). 431:or 2935:: 2014:/ 1195:, 1178:, 1152:. 1144:. 1134:79 1132:. 1106:. 1098:. 1090:. 1080:21 1078:. 1029:^ 1013:. 1009:. 988:. 961:. 957:. 945:^ 853:, 849:, 845:, 841:, 797:, 793:, 724:, 472:23 468:10 387:. 1952:. 1932:e 1925:t 1918:v 1676:e 1669:t 1662:v 1324:e 1317:t 1310:v 1230:. 1160:. 1148:: 1140:: 1114:. 1094:: 1086:: 1061:. 1023:. 992:. 971:. 869:/ 817:/ 809:( 752:. 736:. 682:. 669:. 657:. 641:. 602:/ 580:) 552:) 538:) 528:) 518:) 423:( 320:e 313:t 306:v 38:. 20:)

Index

Computational Physics
digital physics
physics of computation
Computational physics

Mechanics
Electromagnetics
Multiphysics
Particle physics
Thermodynamics
Simulation
Morse/Long-range potential
Lennard-Jones potential
Yukawa potential
Morse potential
Fluid dynamics
Finite difference
Finite volume
Finite element
Boundary element
Lattice Boltzmann
Riemann solver
Dissipative particle dynamics
Smoothed particle hydrodynamics
Turbulence models
Monte Carlo methods
Integration
Gibbs sampling
Metropolis algorithm
N-body

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