timprove introductory text - Granular.jl - Julia package for granular dynamics simulation
 (HTM) git clone git://src.adamsgaard.dk/Granular.jl
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 (DIR) commit 7ff4993c5afbc4bf700bb51d91d1e6a16ceb27ca
 (DIR) parent e7325f85a44193cd2870c2a987e15fc403303265
 (HTM) Author: Anders Damsgaard <andersd@riseup.net>
       Date:   Mon, 11 Sep 2017 18:42:56 -0400
       
       improve introductory text
       
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        *A [Julia](https://julialang.org) package for particle-based simulation of sea-ice dynamics.*
        
       -A flexible and computationally efficient 2d implementation of the discrete element method.  Sea-ice floes are represented as particles, which can be forced by ocean and atmospheric velocity fields.  The ice floes interact through elasto-viscous-frictional contact rheologies and obtain time-dependent tensile strength.
       +`SeaIce.jl` is a flexible and computationally efficient 2d implementation of the discrete element method, made for simulating sea ice in a Lagrangian manner.  Sea-ice floes are represented as particles, which can be forced by ocean and atmospheric velocity fields.  The ice floes interact through elasto-viscous-frictional contact rheologies and obtain time-dependent tensile strength.
        
        The source code for SeaIce.jl is hosted on [Github](https://github.com/anders-dc/SeaIce.jl).