Versatile simplified physical model for parallel aligned liquid crystal devices

This work was supported by Ministerio de Economia, Industria y Competitividad (Spain) under projects FIS2017-82919-R (MINECO/AEI/FEDER, UE) and FIS2015-66570-P (MINECO/FEDER), by Generalitat Valenciana (Spain) under project PROMETEO II/2015/015 and by Universidad de Alicante under project GRE17-06.