cngf-pf

commit b4b16576f6294651942a0854e0add4a17082acf6
parent 5aed54812f3073682a4abdf992ff8f8613ceb3e6
Author: Anders Damsgaard <anders@adamsgaard.dk>
Date:   Tue, 30 Jun 2020 13:24:53 +0200

Decrease default grain compressibility

Diffstat:
M
1d_fd_simple_shear.1
 | 
2
+-
M
max_depth_simple_shear.1
 | 
2
+-
M
simulation.c
 | 
2
+-

3 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/1d_fd_simple_shear.1 b/1d_fd_simple_shear.1
@@ -130,7 +130,7 @@ Only relevant with fluid dynamics enabled
 .It Fl o Ar origo
 Simulation domain origo [m] (default 0).
 .It Fl p Ar grain-compressibility
-Granular material compressibility [Pa^-1] (default 1e-7).
+Granular material compressibility [Pa^-1] (default 1e-8).
 .It Fl p Ar grain-porosity
 Granular material porosity [-] (default 0.25).
 .It Fl q Ar fluid-pressure-freq
diff --git a/max_depth_simple_shear.1 b/max_depth_simple_shear.1
@@ -47,7 +47,7 @@ Darcian intrinsic permeability of granular material [m^2] (default
 .It Fl O Ar fluid-pressure-top
 Fluid pressure applied at the top boundary [Pa] (default 0).
 .It Fl P Ar grain-compressibility
-Granular material compressibility [Pa^-1] (default 1e-7).
+Granular material compressibility [Pa^-1] (default 1e-8).
 .It Fl p Ar grain-porosity
 Granular material porosity [-] (default 0.25).
 .It Fl q Ar fluid-pressure-freq
diff --git a/simulation.c b/simulation.c
@@ -105,7 +105,7 @@ init_sim(struct simulation *sim)
 	sim->beta_f = 3.9e-10;	/* doi:10.1063/1.1679903 */
 	sim->mu_f = 1.787e-3;	/* Cuffey and Paterson 2010 */
 
-	sim->alpha = 1e-7;
+	sim->alpha = 1e-8;
 
 	/* Damsgaard et al 2015 */
 	sim->k = initval(1.9e-15, 1);