NGZ: Difference between revisions

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{{TAGDEF|NGZ|[integer]|set in accordance with {{TAG|PREC}} and {{TAG|ENCUT}}}}
{{TAGDEF|NGZ|[integer]|set in accordance with {{TAG|PREC}} and {{TAG|ENCUT}}}}


Description: {{TAG|NGZ}} sets the number of grid points in the FFT-grid along the third lattice vector.
Description: {{TAG|NGZ}} sets the number of grid points in the FFT grid along the third lattice vector.
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By default {{TAG|NGZ}} is set in accordance with the requested "precision"-mode ({{TAG|PREC}}) and the plane wave kinetic energy cutoff {{TAG|ENCUT}}.
By default {{TAG|NGZ}} is set in accordance with the requested "precision" mode {{TAG|PREC}} and the plane wave kinetic energy cutoff {{TAG|ENCUT}}:
Alternatively {{TAG|NGZ}} may be set to a specific value in the {{FILE|INCAR}} file.


== Related Tags and Sections ==
::{| cellpadding="5" cellspacing="0" border="1"
|{{TAG|PREC}} ||align="center"| {{TAG|NGZ}}
|-
| Normal ||align="center"| 3/2&times;<math>G_{\rm cut}</math>
|-
| Single (VASP.5) ||align="center"| 3/2&times;<math>G_{\rm cut}</math>
|-
| Single (VASP.6) ||align="center"| 2&times;<math>G_{\rm cut}</math>
|-
| SingleN (VASP.6) ||align="center"| 3/2&times;<math>G_{\rm cut}</math>
|-
| Accurate ||align="center"| 2&times;<math>G_{\rm cut}</math>
|-
| Low ||align="center"| 3/2&times;<math>G_{\rm cut}</math>
|-
| Medium ||align="center"| 3/2&times;<math>G_{\rm cut}</math>
|-
| High ||align="center"| 2&times;<math>G_{\rm cut}</math>
|}
where
:<math>E_{\rm cut}=\frac{\hbar^2}{2m_e}G_{\rm cut}^2</math>
with <math>E_{\rm cut}</math>={{TAG|ENCUT}}.
 
Alternatively, {{TAG|NGZ}} can be set to a specific value in the {{FILE|INCAR}} file.
 
== Related tags and articles ==
{{TAG|NGX}},
{{TAG|NGX}},
{{TAG|NGY}},
{{TAG|NGY}},
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{{TAG|PREC}},
{{TAG|PREC}},
{{TAG|ENCUT}},
{{TAG|ENCUT}},
{{TAG|ENAUG}},
{{TAG|ENAUG}}
{{TAG|ENMAX}}


{{sc|NGZ|Examples|Examples that use this tag}}
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[[The_VASP_Manual|Contents]]


[[Category:INCAR]]
[[Category:INCAR tag]][[Category:Projector-augmented-wave method]]

Latest revision as of 11:56, 17 October 2024

NGZ = [integer]
Default: NGZ = set in accordance with PREC and ENCUT 

Description: NGZ sets the number of grid points in the FFT grid along the third lattice vector.


By default NGZ is set in accordance with the requested "precision" mode PREC and the plane wave kinetic energy cutoff ENCUT:

PREC NGZ
Normal 3/2×
Single (VASP.5) 3/2×
Single (VASP.6)
SingleN (VASP.6) 3/2×
Accurate
Low 3/2×
Medium 3/2×
High

where

with =ENCUT.

Alternatively, NGZ can be set to a specific value in the INCAR file.

Related tags and articles

NGX, NGY, NGXF, NGYF, NGZF, PREC, ENCUT, ENAUG

Examples that use this tag