Return-Path: Received: from [149.220.60.110] (account huebl@hzdr.de [149.220.60.110] verified) by hzdr.de (CommuniGate Pro SMTP 6.1.12) with ESMTPSA id 15446930 for picongpu-users@hzdr.de; Fri, 13 Jan 2017 16:19:05 +0100 Subject: Re: [PIConGPU-Users] Gas profile To: picongpu-users@hzdr.de References: From: Axel Huebl Organization: HZDR Message-ID: <14bb0420-65c6-b753-9207-f49b60939681@hzdr.de> Date: Fri, 13 Jan 2017 16:19:05 +0100 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Hi, yes that is exactly the profile you are looking for and the right way to init it. It only varies along y (longitudinally) as you described. Otherwise: just use FreeFormula. Cheers, Axel On 13.01.2017 16:10, Khikhlukha Danila wrote: > Dear all, > this question is a bit basic, however I would like to double check if my > understanding is correct. > > Using PoG 0.2.1 I want to simulate LWFA in a plasma channel of let say 3 > mm long. I want my gas profile to be uniform in transverse direction. In > the longitudinal direction I want my gas profile to have a plateau and > super-gaussain up/down ramps -- exactly how it is specified in > gasConfig.param file. Am I correct that to achieve it the only thing I > need to do is to fix numerical values for a length of ramps and plateau > to fit my overall plasma length? > Please note that in the speciesIntizialation.param file this profile is > already pointed a source of particles. > > Thanks a lot for you support, > Danila. -- Axel Huebl Phone +49 351 260 3582 https://www.hzdr.de/crp Computational Radiation Physics Laser Particle Acceleration Division Helmholtz-Zentrum Dresden - Rossendorf e.V. Bautzner Landstrasse 400, 01328 Dresden POB 510119, D-01314 Dresden Vorstand: Prof. Dr.Dr.h.c. R. Sauerbrey Prof. Dr.Dr.h.c. P. Joehnk VR 1693 beim Amtsgericht Dresden