COMSOL Multiphysics™

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3 # number of nodes per element 102 # number of elements # Elements 4 9 37 9 14 50 14 19 63 ... 175 174 222 174 85 221 3 # number of parameter values per element 102 # number of parameters # Parameters 0 5 2.5 5 10 7.5 10 15 12.5 ... 7.5 11.25 9.375 11.25 15 13.125 102 # number of domains # Domains 0 0 ... 27 27 27 0 # number of up/down pairs # Up/down # Type #5 4 tri2 # type name 6 # number of nodes per element 224 # number of elements # Elements 18 17 13 66 61 60 164 5 345 385 384 378 20 339 15 352 68 356 ... 404 409 405 460 453 461 405 409 410 461 462 466 12 # number of parameter values per element 0 # number of parameters # Parameters 224 # number of domains # Domains 12 7 464 | CHAPTER 3: THE <strong>COMSOL</strong> MULTIPHYSICS FILES
7 ... 5 5 5 224 # number of up/down pairs # Up/down 1 0 1 0 1 0 1 0 ... 2 0 2 0 # Type #6 5 quad2 # type name 9 # number of nodes per element 102 # number of elements # Elements 85 90 476 557 118 499 1170 566 563 85 476 174 474 499 221 1171 496 494 ... 809 787 722 723 815 817 1500 806 754 718 722 719 723 750 747 1501 754 751 18 # number of parameter values per element 0 # number of parameters # Parameters 102 # number of domains # Domains 1 4 4 ... 8 2 102 # number of up/down pairs # Up/down 2 0 2 0 ... 3 0 3 0 A Planar Face The following listing is a complete representation of a planar 3D face. EXAMPLES | 465
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COMSOL Multiphysics COMMAND REFERE
Page 3 and 4:
CONTENTS Chapter 1: Command Referen
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femplot . . . . . . . . . . . . . .
Page 7 and 8:
postarrow . . . . . . . . . . . . .
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BSplineSurf . . . . . . . . . . . .
Page 11 and 12:
1 Command Reference 1
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elpconstr on page 99 elplastic on p
Page 15 and 16:
mirror on page 301 move on page 302
Page 17 and 18:
Commands Grouped by Function User I
Page 19 and 20:
Geometry Objects FUNCTION block2 bl
Page 21 and 22:
Mesh Functions FUNCTION femmesh flc
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Postprocessing Functions FUNCTION m
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FUNCTION elmapextr elmesh elode elp
Page 27 and 28:
FUNCTION PURPOSE REPLACEMENT flsdt
Page 29 and 30:
In FEMLAB 3.0, all FEMLAB 2.3 Eleme
Page 31 and 32:
adaption TABLE 1-1: VALID PROPERTY/
Page 33 and 34:
adaption Convergence Control No mor
Page 35 and 36:
adaption fem.bnd.ind = [1 1 2 2 2 2
Page 37 and 38:
adaption The Coefficient residual c
Page 39 and 40:
assemble Purpose assemble Assemble
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assemble matrix contribution (from
Page 43 and 44:
assemble In FEMLAB 2.3, the size of
Page 45 and 46:
asseminit TABLE 1-3: VALID PROPERTY
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lock2, block3 Purpose block2, block
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chamfer Purpose chamfer Create flat
Page 51 and 52:
circ1, circ2 Purpose circ1, circ2 C
Page 53 and 54:
comsol Purpose comsol Start the COM
Page 55 and 56:
cone2, cone3 Cone objects have the
Page 57 and 58:
curve2, curve3 The coercion functio
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cylinder2, cylinder3 TABLE 1-13: CY
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econe2, econe3 Purpose econe2, econ
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elcconstr Purpose elcconstr Define
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elcontact Purpose elcontact Define
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elcontact See Also elmapextr 57
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elcplextr transformation is used as
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elcplgenint Purpose elcplgenint Def
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elcplproj Purpose elcplproj Define
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elcplproj map1.dg = '1'; map1.dv =
Page 77 and 78:
elcplscalar el.elem = 'elcplscalar'
Page 79 and 80:
elempty Purpose elempty Define some
Page 81 and 82:
elempty clear el; el.elem = 'elempt
Page 83 and 84:
elepspec Examples Given a single-ge
Page 85 and 86:
eleqc Make sure that the integratio
Page 87 and 88:
eleqw fem.elem = [fem.elem {el}]; f
Page 89 and 90:
elgeom Purpose elgeom Define geomet
Page 91 and 92:
elgpspec elgpspec can be added in t
Page 93 and 94:
elinline el.dexpr = {'1/(2*sqrt(a)+
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elinterp el.elem = 'elinterp'; el.n
Page 97 and 98:
elirradiation Purpose elirradiation
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ellip1, ellip2 Purpose ellip1, elli
Page 101 and 102:
ellipsoid2, ellipsoid3 Purpose elli
Page 103 and 104:
elmapextr Purpose elmapextr Define
Page 105 and 106:
elmapextr fem.sol = femeig(fem,'nei
Page 107 and 108:
elode Purpose elode Define global s
Page 109 and 110:
elpconstr Purpose elpconstr Define
Page 111 and 112:
elplastic Purpose elplastic Define
Page 113 and 114:
elpric Purpose elpric Define variab
Page 115 and 116:
elsconstr vector. The normal compon
Page 117 and 118:
elshape TABLE 1-20: BASIC MESH ELEM
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elshell_arg2 Purpose elshell_arg2 C
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elshell_arg2 Postprocessing variabl
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elvar Purpose elvar Define expressi
Page 125 and 126:
extrude Purpose extrude Extrude a 2
Page 127 and 128:
face3 Purpose face3 Create 3D surfa
Page 129 and 130:
femdiff Purpose femdiff Symbolicall
Page 131 and 132:
femeig Purpose femeig Solve eigenva
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femeig where Ω is the L-shaped mem
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femlin KN T N 0 U - U 0 Λ = L M ,
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femlin nullfun and symmetric can be
Page 139 and 140:
femmesh Purpose femmesh Create a me
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femmesh Tetrahedral element (tet):
Page 143 and 144:
femmesh FACE (EDGE NODES) FACE MID
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femnlin Purpose femnlin Solve nonli
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femnlin components fixed, the augme
Page 149 and 150:
femnlin The property Rstep sets a r
Page 151 and 152:
femplot PROPERTY VALUE DEFAULT DESC
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femsim The names of the input varia
Page 155 and 156:
femsim Most of the FEMLAB 2.3 data
Page 157 and 158:
femsol Example Create a solution ob
Page 159 and 160:
femsolver TABLE 1-30: COMMON SOLVER
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femsolver PROBE PLOT PARAMETERS Pro
Page 163 and 164:
femsolver Equations” on page 440
Page 165 and 166:
femsolver TABLE 1-33: DIRECT LINEAR
Page 167 and 168:
femsolver TABLE 1-34: ITERATIVE LIN
Page 169 and 170:
femsolver scalar Shapechg, and the
Page 171 and 172:
femsolver TABLE 1-36: OBSOLETE PROP
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femstate with the property State=on
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femstatic dependent and if these ma
Page 177 and 178:
femtime Purpose femtime Solve time-
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femtime initial values are consiste
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femtime Cautionary In structural me
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femwave and then transforms the PDE
Page 185 and 186:
femwave Weak coefficients are cell
Page 187 and 188:
fillet Purpose fillet Create circul
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flcontour2mesh Purpose flcontour2me
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flform Purpose flform Convert betwe
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flim2curve Purpose flim2curve Creat
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flload Purpose flload Load a COMSOL
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flmesh2spline figure meshplot(msh)
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flnull Purpose flnull Compute null
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flreport Purpose flreport Globally
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flsmhs, flsmsign, fldsmhs, fldsmsig
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gencyl2, gencyl3 s2 = gencyl2(...)
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geom0, geom1, geom2, geom3 edge is
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geom0, geom1, geom2, geom3 See Also
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geomanalyze % Circle moving through
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geomarrayr The input argument g1, g
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geomcomp Purpose geomcomp Analyze g
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geomcsg g = geomcsg(sl,pl,...) deco
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geomcsg TABLE 1-57: GEOMETRY MODEL
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geomdel Purpose geomdel Delete poin
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geomedit Purpose geomedit Edit geom
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geomfile Purpose geomfile Geometry
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geomfile clear fem fem.geom = 'card
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geomgetwrkpln respect to the face.
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geomgroup Examples See Also [g pair
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geomimport TABLE 1-64: VALID PROPER
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geominfo Out specifies the geometry
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geominfo DD = reshape(ff2{m}(im1,im
Page 239 and 240:
geominfo The following commands, se
Page 241 and 242:
geomobject Purpose geomobject Creat
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geomplot design philosophy has been
Page 245 and 246:
geomplot 2D Example Start by creati
Page 247 and 248:
geomposition Purpose geomposition P
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geomspline p agree to within 1000*e
Page 251 and 252:
getparts Purpose getparts Extract p
Page 253 and 254:
line1, line2 Purpose line1, line2 C
Page 255 and 256:
loft gl{2} and so on. It is require
Page 257 and 258:
loft See Also extrude, geomgetwrkpl
Page 259 and 260:
mesh2geom fem.mesh=meshinit(rect2);
Page 261 and 262:
meshcaseadd The mesh case generatio
Page 263 and 264:
meshdel Purpose meshdel Delete elem
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meshembed Purpose meshembed Embed a
Page 267 and 268:
meshenrich TABLE 1-4: VALID PROPERT
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meshexport Purpose meshexport Expor
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meshextrude Purpose meshextrude Ext
Page 273 and 274:
meshimport Purpose meshimport Impor
Page 275 and 276:
meshimport sum of the coordinates o
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meshinit TABLE 1-8: VALID PROPERTY/
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meshinit TABLE 1-8: VALID PROPERTY/
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meshinit TABLE 1-10: MESH PARAMETER
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meshinit The properties xscale, ysc
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meshintegrate Purpose meshintegrate
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meshmap Purpose meshmap Create mapp
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meshmap HAUTO SCALE FACTOR 3 0.55 4
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meshplot Purpose meshplot Plot mesh
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meshplot TABLE 1-11: VALID PROPERTY
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meshplot The bound property group c
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meshplot See Also femmesh, geomplot
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meshqual Purpose meshqual Mesh qual
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meshrefine Purpose meshrefine Refin
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meshrevolve Purpose meshrevolve Rev
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meshsmooth Purpose meshsmooth Smoot
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meshsweep Purpose meshsweep Create
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meshsweep • There can only be one
Page 311 and 312:
mirror Purpose mirror Reflect geome
Page 313 and 314:
multiphysics Purpose multiphysics M
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multiphysics The table below descri
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multiphysics which domain group in
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multiphysics Elements of fem1.***.(
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multiphysics Fem.***.init is constr
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pde2geom Purpose pde2geom Convert a
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point1, point2, point3 Purpose poin
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poisson Purpose poisson Fast soluti
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poly1, poly2 Purpose poly1, poly2 C
Page 331 and 332:
postarrow postarrow Purpose Shortha
Page 333 and 334:
postcont postcont Purpose Shorthand
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postcoord fem.xmesh = meshextend(fe
Page 337 and 338:
postcrossplot points for the differ
Page 339 and 340:
postcrossplot TABLE 1-24: VALID PRO
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postcrossplot postcrossplot(fem,2,6
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posteval Purpose posteval Evaluate
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posteval Solnum is provided, the so
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postflow postflow Purpose Shorthand
Page 349 and 350:
postglobaleval % Evaluate 'r+f' and
Page 351 and 352:
postglobalplot If Outtype is 'handl
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postint Purpose postint Integrate e
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postinterp Purpose postinterp Evalu
Page 357 and 358:
postinterp The property Phase is de
Page 359 and 360:
postlin postlin Purpose Shorthand c
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postmin Purpose postmin Compute min
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postmovie TABLE 1-30: VALID PROPERT
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postplot TABLE 1-31: VALID PROPERTY
Page 367 and 368:
Page 369 and 370:
Page 371 and 372:
Page 373 and 374:
Page 375 and 376:
postplot associated to each point o
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postplot fem.equ.c = 1; fem.equ.f =
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postprincbnd postprincbnd Purpose S
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postsurf postsurf Purpose Shorthand
Page 383 and 384:
pyramid2, pyramid3 Purpose pyramid2
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ect1, rect2 Purpose rect1, rect2 Cr
Page 387 and 388:
evolve Purpose revolve Revolve a 2D
Page 389 and 390:
otate e1 = ellip2(0,0,1,3); e2 = ro
Page 391 and 392:
sharg_2_5 Purpose sharg_2_5 Create
Page 393 and 394:
shcurl Purpose shcurl Create a vect
Page 395 and 396:
shdisc Purpose shdisc Create a disc
Page 397 and 398:
shgp Purpose shgp Create a Gauss-po
Page 399 and 400:
shlag Purpose shlag Create a Lagran
Page 401 and 402:
solid0, solid1, solid2, solid3 The
Page 403 and 404:
sphere3, sphere2 the evaluation con
Page 405 and 406:
square1, square2 Purpose square1, s
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tangent Purpose tangent Create a ta
Page 409 and 410:
tetrahedron2, tetrahedron3 Purpose
Page 411 and 412:
torus2, torus3 TABLE 1-49: TORUS OB
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xmeshinfo is requested for. The pro
Page 415 and 416:
xmeshinfo TABLE 1-52: NODES STRUCT
Page 417 and 418:
xmeshinfo dofs.coords(:,30) % alter
Page 419 and 420:
2 Diagnostics This chapter contains
Page 421 and 422:
TABLE 2-2: GEOMETRY MODELING ERROR
Page 423 and 424: 6000-6999 Assembly and Extended Mes
Page 425 and 426: TABLE 2-4: ASSEMBLY AND EXTENDED ME
Page 427 and 428: TABLE 2-5: SOLVER ERROR MESSAGES ER
Page 429 and 430: 9000-9999 General Errors TABLE 2-6:
Page 431 and 432: Solver Error Messages These error m
Page 433 and 434: TABLE 2-7: SOLVER ERROR MESSAGES IN
Page 435 and 436: 3 The COMSOL Multiphysics Files Thi
Page 437 and 438: 2 m1 ######## Types 1 # number of t
Page 439 and 440: To load and save COMSOL Multiphysic
Page 441 and 442: Attribute Attribute Supported Versi
Page 443 and 444: BezierMfd BezierMfd Supported Versi
Page 445 and 446: BezierTri BezierTri Supported Versi
Page 447 and 448: BSplineMfd BSplineMfd Supported Ver
Page 449 and 450: BSplineSurf BSplineSurf Supported V
Page 451 and 452: Ellipse 0 # reverse 2 0 # major axi
Page 453 and 454: Geom1 Geom1 Supported Versions 1 Su
Page 455 and 456: Geom2 0 0 1 1 2.2999999999999998 1
Page 457 and 458: GeomFile GeomFile Supported Version
Page 459 and 460: Mesh Mesh Supported Versions 1 Subt
Page 461 and 462: MeshCurve MeshCurve Supported Versi
Page 463 and 464: Plane Plane Supported Versions 1 Su
Page 465 and 466: Serializable Serializable Supported
Page 467 and 468: Transform Transform Supported Versi
Page 469 and 470: VectorInt Supported Versions Vector
Page 471 and 472: Examples To illustrate the use of t
Page 473: 410 506 409 528 762 760 831 859 525
Page 477 and 478: # Faces # up down mfd tol 0 0 1 NAN
Page 479 and 480: INDEX 1D geometry object 196 3D mes
Page 481 and 482: flmesh2spline 186 flngdof 188, 191
Page 483 and 484: second fundamental matrices 226 ser
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