diff --git a/avaframe/com5SnowSlide/com5SnowSlideCfg.ini b/avaframe/com5SnowSlide/com5SnowSlideCfg.ini index 24482d8b2..798b41864 100644 --- a/avaframe/com5SnowSlide/com5SnowSlideCfg.ini +++ b/avaframe/com5SnowSlide/com5SnowSlideCfg.ini @@ -60,6 +60,17 @@ minDistCohesion = 1.0e-3 # cohesive surface tension used as elasticity modulus [N/m²] cohesiveSurfaceTension = 50000 -#++++++++++++ Resistance force parameters -# characteristic coefficient +#++++++++++++ Resistance model +# default setup: +ResistanceModel = default +# At each time step, ResistanceModel default applies increased friction and optional detrainment (see below). Only relevant in resistance areas. +# NOTE: development setup; parameter values need more testing and calibration!! + +# parameter for increased friction in resistance areas +# com5 uses an extremely high value to represent e.g. buildings cResH = 30000 + +# Apply detrainment in resistance areas in accordance with the flow thickness and flow velocity thresholds specified below. +# if False - only increased friction is applied in resistance areas +detrainment = False + diff --git a/docs/moduleCom5SnowSlide.rst b/docs/moduleCom5SnowSlide.rst index 63ac0ff94..b4f4b58ca 100644 --- a/docs/moduleCom5SnowSlide.rst +++ b/docs/moduleCom5SnowSlide.rst @@ -40,6 +40,8 @@ Input The standard inputs required to perform a simulation run using :py:mod:`com1DFA` can be found here: :ref:`moduleCom1DFA:Input`. +In contrast to :py:mod:`com1DFA`, in :py:mod:`com5SnowSlide`, resistance areas represent areas of rigid obstacles such +as buildings. There is a run script to perform a snow slide com1DFA run: :py:mod:`runCom5SnowSlide.py`, and the configuration settings can be found in ``com5SnowSlide/com5SnowSlideCfg.ini``. The snow slide-specific parameters are: @@ -50,6 +52,8 @@ The snow slide-specific parameters are: * the Young modulus in N/m² ``cohesiveSurfaceTension`` + * resistance areas: extreme values of cResH to represent buildings and detrainment set to False + However, also several other parameters, for example the particle initialization method, friction model and parameters, are changed compared to the default configuration of :py:mod:`com1DFA` and listed in the ``com5SnowSlide/com5SnowSlideCfg.ini`` in the com1DFA_override section. @@ -67,6 +71,8 @@ premises: * valid for altitude levels > 500 m and < 1,500 m sea level + * resistance areas represent buildings + Initialization of bonds -------------------------