Could anyone tell me what equations can I obtain from the Lagrangian density
L(ϕ,ϕ,i,Ai,˙Ai,Ai,j) = 12|˙A+∇ϕ|2−12|∇×A|2−ρϕ+J⋅A
by the Euler-Lagrange equations?
What is stagnation point in fluid mechanics. At the open end of the pitot tube the velocity of the fluid becomes zero.But that should result...
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