source: issm/trunk-jpl/src/m/classes/timestepping.js@ 19753

//TIMESTEPPING class definition
//
//   Usage:
//      timestepping=new timestepping();

function timestepping (){
        //methods
        this.setdefaultparameters = function(){// {{{
                //time between 2 time steps
                this.time_step=1./2.;

                //final time
                this.final_time=10.*this.time_step;

                //time adaptation? 
                this.time_adapt=0;
                this.cfl_coefficient=0.5;

                //should we interpolate forcings between timesteps?
                this.interp_forcings=1;

                //In years by default
                this.in_years = 1;

        }// }}}
        this.disp= function(){// {{{
                console.log(sprintf('   timestepping parameters:'));

                if(this.in_years) unit = 'yr';
                else unit = 's';
                fielddisplay(this,'start_time','simulation starting time ['+ unit + ']');
                fielddisplay(this,'final_time','final time to stop the simulation ['+ unit + ']');
                fielddisplay(this,'time_step','length of time steps [' +unit+ ']');
                fielddisplay(this,'time_adapt','use cfl condition to define time step ? (0 or 1) ');
                fielddisplay(this,'cfl_coefficient','coefficient applied to cfl condition');
                fielddisplay(this,'interp_forcings','interpolate in time between requested forcing values ? (0 or 1)');
                fielddisplay(this,'in_years','time unit, 1: years, 0: seconds');


        }// }}}
        //properties 
        // {{{
        this.start_time      = 0.;
        this.final_time      = 0.;
        this.time_step       = 0.;
        this.time_adapt      = 0;
        this.cfl_coefficient = 0.;
        this.interp_forcings = 1;
        this.in_years        = 1;

        this.setdefaultparameters();
        //}}}
}