tZero compressive strength prefactor by default - Granular.jl - Julia package for granular dynamics simulation
(HTM) git clone git://src.adamsgaard.dk/Granular.jl
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---
(DIR) commit 97b96ca3dc911aa717b00e6d2bc4b742d7dc0a68
(DIR) parent b43f3bbd228f43e90ce1c74ad8ae94f08369fbcb
(HTM) Author: Anders Damsgaard <andersd@riseup.net>
Date: Thu, 15 Feb 2018 15:47:48 -0500
Zero compressive strength prefactor by default
Diffstat:
M src/grain.jl | 16 ++++++----------
1 file changed, 6 insertions(+), 10 deletions(-)
---
(DIR) diff --git a/src/grain.jl b/src/grain.jl
t@@ -69,8 +69,9 @@ are optional, and come with default values. The only required arguments are
[Pa].
* `tensile_heal_rate::Float64 = 0.`: rate at which contact-tensile bond strength
is obtained [1/s].
-* `compressive_strength_prefactor::Float64 = 1285e3`: maximum compressive
- strength on granular contact (not currently enforced) [m*Pa].
+* `compressive_strength_prefactor::Float64 = 0.`: maximum compressive
+ strength on granular contact (not currently enforced) [m^{1/2}*Pa]. A value
+ of 1.285e3 m^{1/2}*Pa is used for sea ice by Hopkins 2004.
* `ocean_drag_coeff_vert::Float64 = 0.85`: vertical drag coefficient for ocean
against grain sides [-].
* `ocean_drag_coeff_horiz::Float64 = 5e-4`: horizontal drag coefficient for
t@@ -148,19 +149,14 @@ function addGrainCylindrical!(simulation::Simulation,
contact_static_friction::Float64 = 0.4,
contact_dynamic_friction::Float64 = 0.4,
youngs_modulus::Float64 = 2e7,
- #youngs_modulus::Float64 = 2e9, # Hopkins 2004
poissons_ratio::Float64 = 0.185, # Hopkins 2004
- #tensile_strength::Float64 = 500e3, # Hopkins2004
tensile_strength::Float64 = 0.,
tensile_heal_rate::Float64 = 0.,
- compressive_strength_prefactor::Float64 = 1285e3,
- # Hopkins 2004
+ compressive_strength_prefactor::Float64 = 0.,
ocean_drag_coeff_vert::Float64 = 0.85, # H&C 2011
ocean_drag_coeff_horiz::Float64 = 5e-4, # H&C 2011
- atmosphere_drag_coeff_vert::Float64 = 0.4,
- # H&C 2011
- atmosphere_drag_coeff_horiz::Float64 = 2.5e-4,
- # H&C2011
+ atmosphere_drag_coeff_vert::Float64 = 0.4, # H&C 2011
+ atmosphere_drag_coeff_horiz::Float64 = 2.5e-4, # H&C2011
pressure::Float64 = 0.,
fixed::Bool = false,
allow_x_acc::Bool = false,