Changeset 22183

Timestamp:

10/20/17 16:58:42 (7 years ago)

Author:

youngmc3

Message:

CHG: minor changes for the crevasse-depth parameterization

File:

• issm/trunk-jpl/src/c/classes/Elements/Tria.cpp (modified) (2 diffs)

issm/trunk-jpl/src/c/classes/Elements/Tria.cpp

@@ -352 +352 @@
                 /*Otero2010: balance between the tensile deviatoric stress and ice overburden pressure*/
                 /*surface crevasse*/
-                //surface_crevasse[iv] = rheology_B * strainparallel * pow(straineffective, ((1 / rheology_n)-1)) / (rho_ice * constant_g);
-                surface_crevasse[iv] = 2 * rheology_B * pow(max(strainparallel,0.),(1/rheology_n)) / (rho_ice * constant_g);
+                surface_crevasse[iv] = rheology_B * strainparallel * pow(straineffective, ((1 / rheology_n)-1)) / (rho_ice * constant_g);
+                //surface_crevasse[iv] = 2 * rheology_B * pow(max(strainparallel,0.),(1/rheology_n)) / (rho_ice * constant_g);
                 if (surface_crevasse[iv]<0.) {
                         surface_crevasse[iv]=0.;
@@ -363 +363 @@
                 
                 /*basal crevasse*/
-                //basal_crevasse[iv] = (rho_ice/(rho_seawater-rho_ice)) * (rheology_B * strainparallel * pow(straineffective,((1/rheology_n)-1)) / (rho_ice*constant_g) - Ho);
-                basal_crevasse[iv] = (rho_ice/(rho_seawater-rho_ice)) * (2 * rheology_B * pow(max(strainparallel,0.),(1/rheology_n)) / (rho_ice*constant_g) - Ho);
+                basal_crevasse[iv] = (rho_ice/(rho_seawater-rho_ice)) * (rheology_B * strainparallel * pow(straineffective,((1/rheology_n)-1)) / (rho_ice*constant_g) - Ho);
+                //basal_crevasse[iv] = (rho_ice/(rho_seawater-rho_ice)) * (2 * rheology_B * pow(max(strainparallel,0.),(1/rheology_n)) / (rho_ice*constant_g) - Ho);
                 if (basal_crevasse[iv]<0.) basal_crevasse[iv]=0.;
                 if (bathymetry>0.) basal_crevasse[iv] = 0.;