tupdate acme.dump - hansen-zoet-exp - comparison of lab and model results of se… | |
git clone git://src.adamsgaard.dk/hansen-zoet-exp | |
Log | |
Files | |
Refs | |
Submodules | |
--- | |
commit 3c1823c1dfda25deb485bfd1290a023790c29ade | |
parent 23cb53072e37107bb08f145f3075fc6ed4c6864a | |
Author: Anders Damsgaard <[email protected]> | |
Date: Mon, 13 Jun 2022 13:17:11 +0200 | |
update acme.dump | |
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diff --git a/acme.dump b/acme.dump | |
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-CNGF-PF(1) BSD General Commands Manual CNGF-PF(1) | |
- | |
-NAME | |
- cngf-pf — simulate granular flows with pore-pressure dynamics | |
- | |
-SYNOPSIS | |
- cngf-pf [-A grain-nonlocal-ampl] [-a fluid-pressure-ampl] | |
- [-b grain-rate-dependence] [-C fluid-compressibility] | |
- [-c grain-cohesion] [-D fluid-diffusivity] [-d grain-size] | |
- [-e end-time] [-F] [-f applied-shear-friction] [-g gravity-accel] | |
- [-H fluid-pressure-phase] [-h] [-I file-interval] | |
- [-i fluid-viscosity] [-j time-step] [-K dilatancy-constant] | |
- [-k fluid-permeability] [-L length] [-l applied-shear-vel-limit] | |
- [-m grain-friction] [-N] [-n normal-stress] | |
- [-O fluid-pressure-top] [-o origo] [-P grain-compressibility] | |
- [-p grain-porosity] [-q fluid-pressure-freq] [-R fluid-density] | |
- [-r grain-density] [-S fluid-pressure-pulse-shape] | |
- [-s applied-shear-vel] [-T] [-t curr-time] [-U resolution] | |
- [-u fluid-pulse-time] [-V bot-vel] [-v] [-Y max-porosity] | |
- [-y min-porosity] [name] | |
- | |
-DESCRIPTION | |
- The cngf-pf utility simulates the coupled continuum dynamics of granular | |
- deformation and pore pressure. The simulation space is one-dimensional | |
- and undergoes confined, simple shear at a pretedermined velocity or fric�… | |
- tion ratio. The effective stress is modulated by pore-pressure dynamics | |
- when fluid dynamics are enabled. | |
- | |
- The arguments are as follows: | |
- | |
- -A grain-nonlocal-ampl | |
- Amplitude of granular non-locality [-] (default 0.4). | |
- | |
- -a fluid-pressure-ampl | |
- Amplitude of fluid-pressure perturbations [Pa] (default 0). Only | |
- relevant with fluid dynamics enabled (-F). | |
- | |
- -b grain-rate-dependence | |
- Granular rate dependence beyond yield [-], (default 0.9377). | |
- | |
- -C fluid-compressibility | |
- Fluid adiabatic compressibility [Pa^-1] (default 3.9e-10). Only | |
- relevant with fluid dynamics enabled (-F). | |
- | |
- -c grain-cohesion | |
- Granular material cohesion [Pa] (default 0). | |
- | |
- -D fluid-diffusivity | |
- Fluid diffusion coefficient [m^2/s] (default -1). Overrides | |
- fluid permeability (-k), grain compressibility (-P), fluid com‐ | |
- pressibility (-C), and fluid viscosity (-i). Do not use for | |
- transient simulations (-T). Disabled when set to a negative | |
- value. | |
- | |
- -d grain-size | |
- Granular material representative grain size [m] (default 0.04). | |
- | |
- -e end-time | |
- Simulation end time [s] (default 1). | |
- | |
- -F Enable pore-space fluid dynamics. | |
- | |
- -f applied-shear-friction | |
- Applied ratio between shear stress and normal stress at the top | |
- boundary [-] (default 0.45), overridden by -s and -l if these are | |
- set. | |
- | |
- -g gravity-accel | |
- Gravity magnitude [m/s^2] (default 9.81). | |
- | |
- -H fluid-pressure-phase | |
- Phase of fluid-pressure perturbations [s] (default 0). Only rel�… | |
- evant with fluid dynamics enabled (-F). | |
- | |
- -h Show usage information. | |
- | |
- -I file-interval | |
- Simulation time interval between writing output to disk [s] (de‐ | |
- fault 1.0). | |
- | |
- -i fluid-viscosity | |
- Fluid dynamic viscosity [Pa*s] (1.787e-3). Only relevant with | |
- fluid dynamics enabled (-F). | |
- | |
- -j time-step | |
- Override numerical time step length [s]. Only relevant with | |
- fluid dynamics enabled (-F). Outside of stability testing, is | |
- not recommended to specify the time step length manually. | |
- | |
- -K dilatancy-constant | |
- Factor relating dilatancy angle to the volume fraction [-] (de‐ | |
- fault 4.09). Only relevant with transient granular dynamics en‐ | |
- abled (-T). | |
- | |
- -k fluid-permeability | |
- Darcian intrinsic permeability of granular material [m^2] (de‐ | |
- fault 1.9e-15). Only relevant with fluid dynamics enabled (-F), | |
- and without transient dynamics. In transient simulations (-T) | |
- the permeability value is overridden by the Kozeny-Carman rela‐ | |
- tionship (k = d^2/180 * phi^3 * (1 - phi)). | |
- | |
- -L length | |
- Simulation domain length [m] (default 1). | |
- | |
- -l applied-shear-vel-limit | |
- Upper limit to modeled shear velocity [m/s] (default nan), over‐ | |
- rides -f and -s. | |
- | |
- -m grain-friction | |
- Grain friction coefficient [-] (default 0.404026). | |
- | |
- -N Normalize output velocities to the range [0;1]. | |
- | |
- -n normal-stress | |
- Normal stress applied at the top boundary [Pa] (default 120e3). | |
- | |
- -O fluid-pressure-top | |
- Fluid pressure applied at the top boundary [Pa] (default 0). | |
- Only relevant with fluid dynamics enabled (-F). | |
- | |
- -o origo | |
- Simulation domain origo [m] (default 0). | |
- | |
- -P grain-compressibility | |
- Granular material compressibility [Pa^-1] (default 1e-8). | |
- | |
- -p grain-porosity | |
- Granular material porosity [-] (default 0.25). | |
- | |
- -q fluid-pressure-freq | |
- Frequency of fluid-pressure perturbations [s^-1] (default 1). | |
- Only relevant with fluid dynamics enabled (-F). | |
- | |
- -R fluid-density | |
- Fluid density [kg/m^3] (default 1000). Only relevant with fluid | |
- dynamics enabled (-F). | |
- | |
- -r grain-density | |
- Granular material density [kg/m^3] (default 2600). | |
- | |
- -S fluid-pressure-pulse-shape | |
- Shape of pulse perturbations in fluid pressure at the top bound‐ | |
- ary. Valid options are triangular (default) or square. Only | |
- relevant with fluid dynamics enabled (-F). | |
- | |
- -s applied-shear-vel | |
- Shear the material under constant velocity [m/s] instead of a | |
- friction value. Overrides -f and is overridden by -l. | |
- | |
- -T Enable transient granular properties. | |
- | |
- -t curr-time | |
- Simulation start time [s] (default 0). | |
- | |
- -U resolution | |
- Numerical resolution of simulation domain [-] (default nan). If | |
- not set, the cell size equals the grain size. | |
- | |
- -u fluid-pulse-time | |
- Time of fluid-pressure pulse peak [s] (default nan). Only rele‐ | |
- vant with fluid dynamics enabled (-F). | |
- | |
- -V bot-vel | |
- shear velocity at base [m/s] (default 0). | |
- | |
- -v Show version information. | |
- | |
- -Y max-porosity | |
- Granular material porosity [-] at inertia number I=1 in transient | |
- simulations (-T) (default 0.55). | |
- | |
- -y min-porosity | |
- Minimum granular material porosity [-] in transient simulations | |
- (-T) (default 0.20). | |
- | |
- The final simulation state is written to stdout, see OUTPUT FORMAT for a | |
- description of the data format. | |
- | |
-OUTPUT FORMAT | |
- The output consists of the following tab-delimited fields, with one row | |
- per cell in the simulation domain: | |
- | |
- 1. position [m] | |
- 2. shear velocity [m/s] | |
- 3. effective normal stress [Pa] | |
- 4. fluid pressure [Pa] | |
- 5. friction [-] | |
- 6. shear strain rate [-] | |
- 7. porosity [-] | |
- 8. inertia number [-] | |
- 9. shear stress [Pa] | |
- 10. cumulative shear displacement [m] | |
- | |
-FILES | |
- If name is set, the simulation state is written to files in the current | |
- directory named in the format <name>.outputDDDDD.txt. Here, DDDDD is a | |
- integer counter starting from 00000, and incrementing by 1 for each new | |
- file. Each file contains the state at a single point in simulation time. | |
- The output format is specified in the section OUTPUT FORMAT, and output | |
- files are generated with the interval specified with -I file-interval. | |
- | |
-EXIT STATUS | |
- cngf-pf exits 0 on success, and >0 if a runtime error occurs: | |
- | |
- 0 successful exit | |
- 1 unspecified error | |
- 2 pledge(2) error | |
- 10 transient solver error | |
- 11 fluid solver error | |
- 12 granular solver error | |
- 20 time step error | |
- | |
-EXAMPLES | |
- Plot critical-state shear velocity as a function of depth: | |
- | |
- $ cngf-pf | gnuplot -e 'set term pdf; p "-" u 2:1 w lp' > out.pdf | |
- | |
-SEE ALSO | |
- gnuplot(1), max_depth_simple_shear(1), shear_flux(1) | |
- | |
-AUTHORS | |
- Anders Damsgaard <[email protected]> | |
- | |
-BSD June 10, 2022 BSD | |
-F 1 2 0 0 23.8026820 0 | |
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+F 1 1 391 391 16.3817664 391 | |
+ 4 70 391 0 1 /home/ad/code/hans… | |
+sh -c '\ | |
+for freq in 1.157e-5 ; do \ | |
+ for ampl in 1 34 67 100; do \ | |
+ ./cngf-pf/cngf-pf \ | |
+ -d 530.7e-6 \ | |
+ -D 1.5e-5 \ | |
+ -m 0.6 \ | |
+ -c 0 \ | |
+ -s 3.169e-6 \ | |
+ -L 0.5 \ | |
+ -n 20e3 \ | |
+ -A 0.33 \ | |
+ -b 0.002 \ | |
+ -F \ | |
+ -e 345600 \ | |
+ -I 1800 \ | |
+ -q ${freq} \ | |
+ -a ${ampl}e3 \ | |
+ strain_distribution_ampl${ampl}kPa_freq${freq}s \ | |
+ >strain_distribution_ampl${ampl}kPa_freq${freq}s.txt; \ | |
+done; done' |