documentclass[5p]{elsarticle}

usepackage{times}

% use to remove rules (top and bottom lines) of Abstract"
usepackage{xpatch}
xpatchcmd{MaketitleBox}{hrule}{}{}{}% remove first horizontal rule (above abstract)
xpatchcmd{MaketitleBox}{hrule}{}{}{}% remoce second horizonral rule (below keywords)

begin{filecontents*}{mybibfile.bib}
end{filecontents*}
usepackage{lineno,hyperref}

%journal{Journal of LaTeX Templates}

bibliographystyle{elsarticle-num}
%%%%%%%%%%%%%%%%%%%%%%%


% use to remove footer " preprint submitted to elsevier"
makeatletter
defps@pprintTitle{%
 let@oddhead@empty
 let@evenhead@empty
 def@oddfoot{}%
 let@evenfoot@oddfoot}
makeatother


author{hariharancorref{cor1}*}
address{normalfont{ Fukuoka, Japan\
Email : hari.ac.jp }}

title{My title My title My title My title My title My title My title  }

begin{document}

begin{frontmatter}
begin{abstract}
Some Some text text Some Some text text Some Some text text Some Some text text Some Some text text Some Some text text Some Some text text Some Some text text Some Some text text Some Some text text Some Some text text Some Some text text Some Some text text Some Some text text Some Some text text Some Some text text  Some Some text text Some Some text text Some Some text text Some Some text text Some Some text text Some Some text text Some Some text text Some Some text text  Some Some text text Some Some text text Some Some text text Some Some text text Some Some text text Some Some text text Some Some text text Some Some text text
end{abstract}

end{frontmatter}

section{Introduction}
Remove space between author affilioation and abstract in elsarticle class. Remove space between author affilioation and abstract in elsarticle class. Remove space between author affilioation and abstract in elsarticle class. Remove space between author affilioation and abstract in elsarticle class. Remove space between author affilioation and abstract in elsarticle class. Remove space between author affilioation and abstract in elsarticle class. Remove space between author affilioation and abstract in elsarticle class.
end{document}