1.create a new image,push d,x,than ctrl backspace,to make your image black

2.get your brush tool /soft round 1..than play around with the sizes to make something like this

3.than push ctrl j ,2times,to duplicate the layer 2 times

4.oke blackgroundcopy2 .set the blending mode to lighten.than filter/sketch chrome,with these settings

detail=10

smoothness=0

press OK

5.backgroundcopy,set blending mode to lighten.than filter/sketch/chrome.with the same settings

6.than filter/distort/wave,,just klick on randomize ,til u find the nice wave,than klik OK

7.colorize is the way u want and tadaaa a beautifull easy tutorial

my outcome here

p.s=also with this tutorial you can add some new layer en blending stiles or whatever to go make it even more impressive