SMS:HEC-RAS Material Properties: Difference between revisions

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[[Image:SMS Hec Ras MP.jpg|thumb|175 px|''Hec-RAS Material Properties'' dialog]]
[[Image:SMS Hec Ras MP.jpg|thumb|175 px|''Hec-RAS Material Properties'' dialog]]
SMS uses an Area Property coverage to map the roughness line properties to  segments of a cross section.  The cross sections store the material property  ID's and in order for SMS to correctly associate a material ID with an actual  roughness they must be defined using the ''Material Properties'' dialog.
SMS uses an Area Property coverage to map the roughness line properties to  segments of a cross section.  The cross sections store the material property  ID's and in order for SMS to correctly associate a material ID with an actual  roughness they must be defined using the ''Material Properties'' dialog.
===Assigning Materials===
Roughness values for HECRAS are tied to materials in SMS which must be assigned as line properties inside the cross-section database.  To assign roughness values to the materials, choose ''HecRas'' | '''Material Properties'''.  Also, the property type that is being used for the material values must be specified in the model control dialog.  This dialog is accessed by selecting ''HecRas'' | '''Model Control''' from the menu.


==Related Topics==
==Related Topics==

Revision as of 15:15, 11 August 2015

This article is for the HEC-RAS Model. This model is no longer included in SMS. The HEC-RAS model is now part of WMS – Watershed Modeling System.


File:SMS Hec Ras MP.jpg
Hec-RAS Material Properties dialog

SMS uses an Area Property coverage to map the roughness line properties to segments of a cross section. The cross sections store the material property ID's and in order for SMS to correctly associate a material ID with an actual roughness they must be defined using the Material Properties dialog.

Assigning Materials

Roughness values for HECRAS are tied to materials in SMS which must be assigned as line properties inside the cross-section database. To assign roughness values to the materials, choose HecRas | Material Properties. Also, the property type that is being used for the material values must be specified in the model control dialog. This dialog is accessed by selecting HecRas | Model Control from the menu.

Related Topics

HEC-RAS