Trump has broken away from the formula in imposing tariffs on countries that buy more goods from the US than they sell to it. For example the US does not currently run goods trade deficit with the UK.

3D Printing,Average Field,Battery Capacity,Charging Time,Coolant,Critical Current,Darcy Weisbach,Drag Force,Electrode,Fluid Dynamics,Heat Transfer,High Magnetic Field ...

Solving some examples of partial differential equations (PDE) using fenics. To represent the results use paraview.