diff --git a/README.md b/README.md new file mode 100644 index 0000000..e080832 --- /dev/null +++ b/README.md @@ -0,0 +1,131 @@ +Jan's HiDEM model. + +##### Compilation #### + +Compilation requires the cray ftn compiler: + +module swap PrgEnv-gnu PrgEnv-cray + +#### Getting data ready #### + +Replace no data with zero + +scale friction down + +adjust the waterline + +Choose the number of cores + +do something to the restitution coefficient + +#### simulation blow up #### + +if the simulation explodes (particles moving too far): + +Change DMP and DMP2 - multiply by two. + +#### Files etc #### + +These are part of the compiled code: + +wave2.f90 +dist.f +circ.f +effload.f +amat.f +tmat.f +ttmat.f +kmat.f +glas.f90 +ranmar.f +dt.f90 + +ave*.f - these compute averages of something + +*.job - job scripts for torque + +comp.txt - the compilation command + +rc2.f90 - compute the calved size distrib + +### input files ### + +inp.dat +mass3.dat +param.dat - don't worry - something about opening files + +### mass3.dat #### + +mass3.dat is the input configuration, in format: + +x, y, surface, base, bed. friction (Newton seconds per metre) + +x and y must start at zero, must have a (0,0) corner. + +output transformation matrix which takes from Elmer domain to HiDEM domain. + +make sure the bed is buffered beyond the edge of the ice, and define these regions by setting surf and base equal to bed. + + +"YN" is the number of partitions in the Y direction. +"NTOT" is the total number of partitions in the model +GRID - The grid size of the mass3.dat data, make sure it matches +SCL - diameter of each particle +RESTART - 1 = true + + + +#### OUTPUT - jyr files and STR files #### + +List position of all particles in x,y,z, every 2 seconds. +Read this in paraview quite easily. + +STR file: + +midpoint +strain + +for each node connection in initial geometry (including broken bonds) + + +dtop* files - these show the total energy in the system for different parts + +Time +WENS - elastic energy of the spheres - imagine the particles overlap and are deformed against each other. Then they might bounce back apart. +ENMS+ENMS0 - elastic deformation energy - the energy held in a deformed/bent system +MGHS-MGH0 - potential energy +Kins - kinetic energy + +#### Processing #### + +rc2.f90 computes the size distribution of calved blocks + +size count + +1 452000 +2 4560 +3 985 +... +largest_block 1 + +'maxi' is the same as jyr but for the largest intact block (e.g. the remaining glacier) + +rh2.f90 - computes velocity +rh.f - computes strain + + +INFI1 - first JYR +INFI2 - second JYR +N - wc -l JYR0001.csv +max - 10? + +#### PARAVIEW #### + +First simply load csv, with blank space delimiter, merge delimiters, has no header +Then apply table to points filter +Then ensure enable ospray and shadows, and pick point size that makes them touch + +For the sea: add a box, set size and centrepoints + +For the bed: get bed.csv, read it in same as other CSVs +then apply Delaunay2D filter.