![]() ![]() the time step time when the output was written, and.This first line is structured as below: N, time, xmin, ymin, zmin, xmax, ymax, zmaxįor each timestep, we are given information regarding The files are formatted as follows: at each time step, a single line stating the number of particles in the system ( N). The data file is perhaps the most useful and versatile of the three, as it provides full information regarding the positions and velocities of all particles within the system at each given time step. Data is written at predefined time steps, with the system’s total gravitational ( ’ene_gra’) and elastic ( ’ene_ela’) potential energies and translational ( ’ene_kin’) and rotational ( ’ene_rot’) kinetic energies being shown alongside the system’s centre of mass position in the x, y and z directions ( ’X_COM’, ’Y_COM’ and ’Z_COM’, respectively).Īt each time step, the data is output as follows: time ene_gra ene_kin ene_rot ene_ela X_COM Y_COM Z_COM The simplest of the three file types is the ‘.ene’ file, which allows us to interpret the time evolution of the various forms of energy possessed by the system. Thus, execution will create output files named ‘example.data’, ‘example.fstat’ and ‘example.ene’ (other files such as ‘example.restart’ and ‘example.stat’ might be created, which will be discussed in later sections). The output file name is set using DPMBase::getName the MercuryDPM convention is that the name of the output file names should be equal to the name of the source file. This page is divided in two parts:Įach MercuryDPM executable produces three main output files, with the extensions ‘.data’, ‘.fstat’ and ‘.ene’.įor instance, building the source file example.cpp will create an executable named example. Mercury produces data regarding a wide range of system parameters and, as such, there exist a variety of manners in which this data may be obtained and processed. Having explained in the previous section the how to run a Mercury driver code, we next explain the form of the data output, and describe how relevant information may be extracted from this data. ![]()
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