Class Section

class core.Section.Section(line, name='')[source]

TODO

computeHydraulicGeometry(WS, dxlat, method, friction='Manning')[source]

Compute the hydraulic parameters for all subdomain defined by the water surface eleavtion and the trnasversal step

Parameters

WSfloat: water surface elevation.
dxlatfloat: lateral discretization step.
methodstring: define method to manage overflowing on floodplain (levee taken into account or not).

Returns

averagedValuedict: Averaged hydraulic characteristic of the section : area, wetted perimeter, surface width
banklist: point of intersection between water surface and bed channel.
hydro_distrdict: hydraulic characteristic of the sub-section : area, wetted perimeter, surface width
manning_distrlsit: manning for each sub-section

copy()[source]: copy section

distanceBord()[source]: compute the distance on (X,Y) plane between each point of the section and the one defined as the reference (self.start)

Returns

None.

equivalentChannel(shape)[source]

Compute the equivalent channel with a given shape considering similar weeted area and perimeter

Parameters

shapestring: shape of the equivalent section

Returns

list: geometrical parameters of the equivalent section.

findBankPoint(WS, method)[source]

Parameters

WSfloat: water surface elevation.
methodstring: define methode to manage overflowing on floodplain (levee taken into account or not).

Returns

dtemplist: point of intersection between water surface and bed channel.

interpDistributionLat(dbank, dxlat)[source]

Resample section in transversal direction with a constant distance step. Lateral boundaries are defined by dbank.

Parameters

dbankList: point of intersection between water surface and bed channel.
dxlatfloat: lateral discretization step.

Returns

dist_distrList: Lateral distance of each center of subdomain.
manning_distrList: friction Coeffcient of each center of subdomain.
WsextentList (Point): Position of intersection between bank and XS
dist_pointList: transversal position of subdomain limit
z_pointList: elevation interpolated at each subdomain limit

linechannel(param, df_filter)[source]

Create the line in Section corresponding to only the line between two banks

Parameters

paramstring: parmaeter for computation

Returns

list: geometrical parameters of the equivalent section.

modif_line(param, df_filter)[source]

Change the bathymetry of the line section between the 2 banks

Parameters:

param (Parameters) – Parameters requires for computation
df_filter – result from computation with banks position

originXSLocation(centre=None, d_search=0)[source]

Choose the position of the transversal origin for each section. It could be defined by the point with minimum elevation or the shp file of the streamline.

Parameters

centrestring: DESCRIPTION. The default is None.

Returns

None.

weir_discharge(paramH, ws_downstream=0)[source]

compute the upstream water depth for inline structure section

Parameters:

paramH – Hydraulics Parameters requires for computation
ws_downstream – water surface at dowsntream (only for submerged condition not implemented yet)