Question: Need some help with solving PDEs

In this file, I tried my best to solve the pde. But the answer is still rather non-informative. I need some help to simplify it.

I did notice that my Maple might need reinstallation, due to a "bug" in the 18.02 update.


My ultimate aim is try to use some similar techniques to solve this,, which has a similar type pde.


The standard pdsolve(pde) would just not work.



I used the same file in Maple 17 on a differnt Machine, which can be solved by pdsolve. So I guess it's just that  the 18.02 update package is broken itself. I have tried to uninstall and reinstall twice.






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