Steady-state

On the basis of a simple wall construction consisting of a concrete wall with insulation, a stationary thermal calculation is carried out. Different temperatures are applied to the inner and outer wall surface.

*BOUNDARY_TEMPERATURE_SET
*CONTROL_SOLUTION
*CONTROL_TERMINATION
*CONTROL_THERMAL_SOLVER
*DATABASE_BINARY_D3PLOT
*DATABASE_TPRINT
*ELEMENT_SOLID
*END
*INCLUDE
*INITIAL_TEMPERATURE_SET
*KEYWORD
*MAT_THERMAL_ISOTROPIC
*NODE
*PART
*SECTION_SOLID
*SET_NODE_LIST_TITLE
*TITLE

*KEYWORD
$
$=============================CONTROL DEFINITIONS ==============================
$
*TITLE
steady-state heat transfer through an insulated concrete wall
*CONTROL_SOLUTION
$ thermal only
$     soln       nlq     isnan     lcint     lcacc     ncdcf
         1
*CONTROL_THERMAL_SOLVER
$ steady-state thermal analysis
$    atype     ptype    solver     cgtol       gpt    eqheat     fwork       sbc
         0         0         1
*CONTROL_TERMINATION
$   endtim    endcyc     dtmin    endeng    endmas     nosol
        1.
$
$================================ OUTPUTDATA ===================================
$
*DATABASE_BINARY_D3PLOT
$       dt
       1.0
*DATABASE_GLSTAT
$       dt
       1.0
*DATABASE_MATSUM
$       dt
       1.0
*DATABASE_TPRINT
$       dt
       1.0
$
$============================== PART DEFINITIONS ===============================
$
*PART
$ title
concrete
$      pid     secid       mid     eosid      hgid      grav    adpopt      tmid
         1         1         0         0         0         0         0         1
*PART
$ title
insulation
$      pid     secid       mid     eosid      hgid      grav    adpopt      tmid
         2         1         0         0         0         0         0         2
$
$============================= SECTION PROPERTIES ==============================
$
*SECTION_SOLID
$    secid    elform
         1         1
$
$======================== THERMAL MATERIAL PROPERTIES ==========================
$
*MAT_THERMAL_ISOTROPIC
$ material concrete
$     tmid       tro     tgrlc    tgmult      tlat      hlat
         1    2.4e-9
$       hc        tc		 
    8.80e8       2.1
*MAT_THERMAL_ISOTROPIC
$ material insulation
$     tmid       tro     tgrlc    tgmult      tlat      hlat
         2   1.0e-10
$       hc        tc		 
     9.0e8      0.04
$
$======================== NODE/ELEMENT/SET DEFINTIONS ==========================
$
*INCLUDE
01_insulated_concrete_wall_parts.k
*SET_NODE_LIST_TITLE
inside
$      sid       da1       da2       da3       da4    solver      
         1       0.0       0.0       0.0       0.0MECH
$     nid1      nid2      nid3      nid4      nid5      nid6      nid7      nid8
        22         1        64        85        43       106       127       148
       169         0         0         0         0         0         0         0
*SET_NODE_LIST_TITLE
outside
$      sid       da1       da2       da3       da4    solver      
         2       0.0       0.0       0.0       0.0MECH
$     nid1      nid2      nid3      nid4      nid5      nid6      nid7      nid8
       394       230       271       353       312       435       517       476
       558         0         0         0         0         0         0         0
$
$==================== THERMAL BOUNDARY and INITIAL CONDITIONS ==================
$
*INITIAL_TEMPERATURE_SET
$  nid/sid      temp       loc
         0    293.15
*BOUNDARY_TEMPERATURE_SET
$  nid/sid     tlcid     tmult       loc    tdeath    tbirth
         1         0      20.0
         2         0      10.0
$
*END