SMS:RMA4 Material Properties: Difference between revisions

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[[Image:RMA 4 MP.png|thumb|450 px|''RMA4 Material Properties'' dialog]]
The ''RMA4 Material Properties'' dialog is reached through the ''RMA4'' | '''Material Properties...''' menu command in the Mesh module.
The ''RMA4 Material Properties'' dialog is reached through the ''RMA4'' | '''Material Properties...''' menu command in the Mesh module.
The dialog has the following options:
*Material list – a list of available materials is populated on the left side of the dialog. Selecting a material allows the diffusion to be changed for the material.
*''Overide global specification'' – When turned on the global diffusion will not be used for the material.
*''Diffusion coefficient method'' – Specifies using diffusion coefficients to approximate turbulence.
*''Peclet number method'' – Specifies the use of a Péclet number to determine diffusion.
*''Dx'' – Specifies diffusion in the x direction.
*''Dy'' – Specifies diffusion in the y direction.
*''Peclet Number'' – Enter the Péclet number value.
*''Minimum Velocity'' – The lowest velocity allowed for diffusion.
*'''General Material Properties''' – Brings up the ''Materials Data'' dialog.


==Diffusion==  
==Diffusion==  
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Because RMA4 does not have the ability to model turbulence, diffusion coefficients may be used to approximate turbulence. By assigning a diffusion coefficient in the x and y directions for each material, the flow over that material will be altered somewhat to provide an approximation of turbulent flow over that region. A value of -1.0 may be applied to allow normal flow over the material. Positive values provide turbulence. The higher the value, the greater the effect is.
Because RMA4 does not have the ability to model turbulence, diffusion coefficients may be used to approximate turbulence. By assigning a diffusion coefficient in the x and y directions for each material, the flow over that material will be altered somewhat to provide an approximation of turbulent flow over that region. A value of -1.0 may be applied to allow normal flow over the material. Positive values provide turbulence. The higher the value, the greater the effect is.


[[Image:RMA 4 MP.jpg|thumb|none|left|450 px|''RMA4 Material Properties'' dialog]]


==Related Topics==
==Related Topics==
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[[Category:RMA4|M]]
[[Category:RMA4|M]]
[[Category:RMA4 Dialogs]]
[[Category:RMA4 Dialogs|mat]]
[[Category:SMS Materials|R]]
[[Category:SMS Materials|R]]
{{stub}}

Latest revision as of 21:39, 12 June 2020

RMA4 Material Properties dialog

The RMA4 Material Properties dialog is reached through the RMA4 | Material Properties... menu command in the Mesh module.

The dialog has the following options:

  • Material list – a list of available materials is populated on the left side of the dialog. Selecting a material allows the diffusion to be changed for the material.
  • Overide global specification – When turned on the global diffusion will not be used for the material.
  • Diffusion coefficient method – Specifies using diffusion coefficients to approximate turbulence.
  • Peclet number method – Specifies the use of a Péclet number to determine diffusion.
  • Dx – Specifies diffusion in the x direction.
  • Dy – Specifies diffusion in the y direction.
  • Peclet Number – Enter the Péclet number value.
  • Minimum Velocity – The lowest velocity allowed for diffusion.
  • General Material Properties – Brings up the Materials Data dialog.

Diffusion

Because RMA4 does not have the ability to model turbulence, diffusion coefficients may be used to approximate turbulence. By assigning a diffusion coefficient in the x and y directions for each material, the flow over that material will be altered somewhat to provide an approximation of turbulent flow over that region. A value of -1.0 may be applied to allow normal flow over the material. Positive values provide turbulence. The higher the value, the greater the effect is.


Related Topics