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  • Helmholtz decomposition code

Last edited by Andrea Barresi Sep 22, 2021
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Helmholtz decomposition code

VERSION>=2021.09.01

Introduction

Info about theory. Link to Tsubota paper...

Usage

TODO: explain how to use...

[gabrielw@node2066 tmp]$ mpirun -np 5 wslda-hdc-3d test2.wtxt 0          

         Adding new variables [wc_a, wi_a] to w-data set.
         Number of measurements = 10
         Starting time          = -1 
         Lattice size   = 80 x 80 x 16 
         Ending time            = 9.000 
         Component = a 
         Variables being produced = wi_a & wc_a 
         Creating file: test2_hh_a.txt
         Creating file: test2_hhspec_a.txt

         Reading frame [1], currently at 1%
         ....
        Completed in    4s ( 0m 4s)! 

TODO: Explain what are output files... their meaning and content, in what units are columns

Limitations

Presently the code supports only 3d data. However, you can apply it to 2D as well, but before that, you need to increase data dimensionality. You can do it using wdata tool wdata-datadim-up. For example:

[gabrielw@node2066 tmp]$ wdata-datadim-up test1.wtxt test2 3
# WDATA TOOL: DATADIM MODIFIER
# READING INPUT DATA: `test1.wtxt`
# ************************ LATTICE ***************************
# LATTICE: 80 x 80 x 16
# SPACING: 1.000000 x 1.000000 x 1.000000
# VOLUME : 80.000000 x 80.000000 x 16.000000
# DIM-IN : 2
# DIM-OUT: 3
# RESIZING `rho_a`...
# RESIZING `rho_b`...
# RESIZING `delta`...
# RESIZING `j_a`...
# RESIZING `j_b`...
# RESIZING `nu`...
# RESIZING `tau_a`...
# RESIZING `tau_b`...
# RESIZING `V_a`...
# RESIZING `V_b`...
# RESIZING `V_ext_a`...
# RESIZING `V_ext_b`...
# RESIZING `delta_ext`...
# RESIZING `velocity_ext_a`...
# RESIZING `velocity_ext_b`...
# RESIZING `alpha_a`...
# RESIZING `alpha_b`...
# RESIZING `A_a`...
# RESIZING `A_b`...
# WRITING `test2.wtxt`
# DONE.

Developers

  • Andrea Barresi, Warsaw University of Technology
Clone repository
  • API version
  • Automatic interpolations
  • Auxiliary tools
  • Browsing the code
  • Broyden algorithm
  • C and CUDA
  • Campaign of calculations
  • Checking correctness of settings
  • Chemical potentials control
  • Code & Results quality
  • Common failures of static codes
  • Common failures of time dependent codes
  • Computation domain
  • Configuring GPU machine
  • Constraining densities and potentials
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