Changes between Version 268 and Version 269 of doc/app/initialization_parameters


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Timestamp:
Feb 8, 2016 3:29:49 PM (9 years ago)
Author:
maronga
Comment:

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  • doc/app/initialization_parameters

    v268 v269  
    14691469|----------------
    14701470{{{#!td style="vertical-align:top"
    1471 [=#inflow_damping_height '''inflow_damping_height''']
    1472 }}}
    1473 {{{#!td style="vertical-align:top"
    1474 R
    1475 }}}
    1476 {{{#!td style="vertical-align:top"
    1477 from precursor run
    1478 }}}
    1479 {{{#!td
    1480 Height below which the turbulence signal is used for turbulence recycling (in m).\\\\
    1481 In case of a turbulent inflow (see [#turbulent_inflow turbulent_inflow]), this parameter defines the vertical thickness of the turbulent layer up to which the turbulence extracted at the recycling plane (see [#recycling_width recycling_width]) shall be imposed to the inflow. Above this level the turbulence signal is linearly damped to zero. The transition range within which the signal falls to zero is given by the parameter [#inflow_damping_width inflow_damping_width].\\\\
    1482 By default, this height is set as the height of the convective boundary layer as calculated from a precursor run. Information about proper settings for getting this CBL height from a precursor run can be found [../examples/turbinf here].
    1483 }}}
    1484 |----------------
    1485 {{{#!td style="vertical-align:top"
    1486 [=#inflow_damping_width '''inflow_damping_width''']
    1487 }}}
    1488 {{{#!td style="vertical-align:top"
    1489 R
    1490 }}}
    1491 {{{#!td style="vertical-align:top"
    1492 0.1 * [#inflow_damping_height inflow_damping]\\
    1493 [#inflow_damping_height _height]
    1494 }}}
    1495 {{{#!td
    1496 Transition range within which the turbulence signal is damped to zero (in m).\\\\
    1497 See [#inflow_damping_height inflow_damping_height] for explanation.
    1498 }}}
    1499 |----------------
    1500 {{{#!td style="vertical-align:top"
    1501 [=#inflow_disturbance_begin '''inflow_disturbance_begin''']
    1502 }}}
    1503 {{{#!td style="vertical-align:top"
    1504 I
    1505 }}}
    1506 {{{#!td style="vertical-align:top"
    1507 MIN(10, [#nx nx]/2 or [#ny ny]/2)
    1508 }}}
    1509 {{{#!td
    1510 Lower limit of the horizontal range for which random perturbations are to be imposed on the horizontal velocity field (gridpoints).\\\\
    1511 If non-cyclic lateral boundary conditions are used (see [#bc_lr bc_lr] or [#bc_ns bc_ns]), this parameter gives the gridpoint number (counted horizontally from the inflow) from which on perturbations are imposed on the horizontal velocity field. Perturbations must be switched on with parameter [../d3par#create_disturbances create_disturbances]. Note that these inflow perturbances are added '''in addition''' to the standard perturbances that are activated with [../d3par#create_disturbances create_disturbances].
    1512 }}}
    1513 |----------------
    1514 {{{#!td style="vertical-align:top"
    1515 [=#inflow_disturbance_end '''inflow_disturbance_end''']
    1516 }}}
    1517 {{{#!td style="vertical-align:top"
    1518 I
    1519 }}}
    1520 {{{#!td style="vertical-align:top"
    1521 MIN(100, 3/4*[#nx nx] or 3/4*[#ny ny])
    1522 }}}
    1523 {{{#!td
    1524 Upper limit of the horizontal range for which random perturbations are to be imposed on the horizontal velocity field (gridpoints).\\\\
    1525 If non-cyclic lateral boundary conditions are used (see [#bc_lr bc_lr] or [#bc_ns bc_ns]), this parameter gives the gridpoint number (counted horizontally from the inflow) up to which perturbations are imposed on the horizontal velocity field. Perturbations must be switched on with parameter [../d3par#create_disturbances create_disturbances].
    1526 }}}
    1527 |----------------
    1528 {{{#!td style="vertical-align:top"
    15291471[=#constant_flux_layer '''constant_flux_layer''']
    15301472}}}
     
    15411483If the constant flux layer is switched off and fluxes shall be prescribed at the surface (by setting [#surface_heatflux surface_heatflux]), it is required to set the parameter [#use_surface_fluxes use_surface_fluxes] = ''.T.''.\\\\
    15421484The roughness length is declared via the parameter [#roughness_length roughness_length].
     1485}}}
     1486|----------------
     1487{{{#!td style="vertical-align:top"
     1488[=#inflow_damping_height '''inflow_damping_height''']
     1489}}}
     1490{{{#!td style="vertical-align:top"
     1491R
     1492}}}
     1493{{{#!td style="vertical-align:top"
     1494from precursor run
     1495}}}
     1496{{{#!td
     1497Height below which the turbulence signal is used for turbulence recycling (in m).\\\\
     1498In case of a turbulent inflow (see [#turbulent_inflow turbulent_inflow]), this parameter defines the vertical thickness of the turbulent layer up to which the turbulence extracted at the recycling plane (see [#recycling_width recycling_width]) shall be imposed to the inflow. Above this level the turbulence signal is linearly damped to zero. The transition range within which the signal falls to zero is given by the parameter [#inflow_damping_width inflow_damping_width].\\\\
     1499By default, this height is set as the height of the convective boundary layer as calculated from a precursor run. Information about proper settings for getting this CBL height from a precursor run can be found [../examples/turbinf here].
     1500}}}
     1501|----------------
     1502{{{#!td style="vertical-align:top"
     1503[=#inflow_damping_width '''inflow_damping_width''']
     1504}}}
     1505{{{#!td style="vertical-align:top"
     1506R
     1507}}}
     1508{{{#!td style="vertical-align:top"
     15090.1 * [#inflow_damping_height inflow_damping]\\
     1510[#inflow_damping_height _height]
     1511}}}
     1512{{{#!td
     1513Transition range within which the turbulence signal is damped to zero (in m).\\\\
     1514See [#inflow_damping_height inflow_damping_height] for explanation.
     1515}}}
     1516|----------------
     1517{{{#!td style="vertical-align:top"
     1518[=#inflow_disturbance_begin '''inflow_disturbance_begin''']
     1519}}}
     1520{{{#!td style="vertical-align:top"
     1521I
     1522}}}
     1523{{{#!td style="vertical-align:top"
     1524MIN(10, [#nx nx]/2 or [#ny ny]/2)
     1525}}}
     1526{{{#!td
     1527Lower limit of the horizontal range for which random perturbations are to be imposed on the horizontal velocity field (gridpoints).\\\\
     1528If non-cyclic lateral boundary conditions are used (see [#bc_lr bc_lr] or [#bc_ns bc_ns]), this parameter gives the gridpoint number (counted horizontally from the inflow) from which on perturbations are imposed on the horizontal velocity field. Perturbations must be switched on with parameter [../d3par#create_disturbances create_disturbances]. Note that these inflow perturbances are added '''in addition''' to the standard perturbances that are activated with [../d3par#create_disturbances create_disturbances].
     1529}}}
     1530|----------------
     1531{{{#!td style="vertical-align:top"
     1532[=#inflow_disturbance_end '''inflow_disturbance_end''']
     1533}}}
     1534{{{#!td style="vertical-align:top"
     1535I
     1536}}}
     1537{{{#!td style="vertical-align:top"
     1538MIN(100, 3/4*[#nx nx] or 3/4*[#ny ny])
     1539}}}
     1540{{{#!td
     1541Upper limit of the horizontal range for which random perturbations are to be imposed on the horizontal velocity field (gridpoints).\\\\
     1542If non-cyclic lateral boundary conditions are used (see [#bc_lr bc_lr] or [#bc_ns bc_ns]), this parameter gives the gridpoint number (counted horizontally from the inflow) up to which perturbations are imposed on the horizontal velocity field. Perturbations must be switched on with parameter [../d3par#create_disturbances create_disturbances].
     1543}}}
     1544|----------------
     1545{{{#!td style="vertical-align:top"
     1546[=#most_method '''most_method''']
     1547}}}
     1548{{{#!td style="vertical-align:top"
     1549C*8
     1550}}}
     1551{{{#!td style="vertical-align:top"
     1552'circular'
     1553}}}
     1554{{{#!td
     1555Parameter that defines how the Obukhov length is calculated when a [#constant_flux_layer constant_flux_layer] is switched on. Available methods are:\\\\
     1556* 'circular': Text goes here
     1557* 'newton': Text goes here
     1558* 'lookup': Text goes here
     1559\\\\
    15431560}}}
    15441561|----------------