Today manage to using remote control on the ubuntu
1. you can turn on the screen sharing using privary setting and ask it to just use the password,
then you can on remina from virtual ubuntu to remote access it
or you can also use windows
instal the vnc viewer
https://www.howtogeek.com/429190/how-to-set-up-remote-desktop-on-ubuntu/
2. also I manage to install matlab on ubuntu
https://linuxconfig.org/how-to-install-matlab-on-ubuntu-18-04-bionic-beaver-linux
3. try:
val_local = w.vector()(val_dof[0])
from dolfin import *
from ufl import cofac
import dolfin as dolfin
import sys
import
from ufl import cofac
mesh = Mesh()
f = HDF5File(MPI.comm_world, meshname+".hdf5", 'r')
print(tstep, p_cav*0.0075 , V_cav, fdataPV)
use 2to3 convert print function from python2 to python3
sudo apt-get 2to3
mesh = Mesh()
f = HDF5File(MPI.comm_world, meshname+".hdf5", 'r')
