Numerical Study of Electrostatic Field Distortion on LPTPC End-Plates based on Bulk Micromegas ModulesPurba Bhattacharya, Deb Sankar Bhattacharya, Supratik Mukhopadhyay, Nayana Majumdar, Sudeb Bhattacharya, Paul Colas and David AttiéEPJ Web Conf., 174 (2018) 06007DOI: https://doi.org/10.1051/epjconf/201817406007