For detailed information about the properties and options of the
elsarticle document class, I recommend you bring up a command window and type
and start reading the user guide for this document class.
For sure, I would not specify the options
twocolumn. Instead, I would try
The default options, i.e., those that needn't be specified explicitly in order to be in effect, are
preprint. For a journal submission, it may also be unnecessary to specify
times (an option for the text font to be used in the document).