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Hello, I want to simulate the propagation of some guided waves in plates, with spatially dependent stiffness tensor. Can do that with COMSOL. Thank you in advance, I am new to COMSOL, and I...
23 January 2020 5,861 1 View
Hello, Can you please explain, what does an isotropic magnetic material mean ? I thought it meant that the susceptibility tensor doesn't depend on the direction of the magnetic field, only on...
08 August 2019 6,540 4 View
Hello, I have a block of solid material in which an elastic wave is propagating. On one side of the block I maintain a static surface stress (the agent causing this stress is external to the...
19 July 2019 8,471 7 View
Suppose I have a coil placed above a conducting non magnetic plate, I run an AC current in the coil, and I want to know what is the mutual induction between the coil and the plate ? Thank you in...
11 December 2018 2,590 3 View
Hello, Suppose I have a charge at rest, my question is, since the electric field of this charge will "go" to infinity for eternity, where does the energy come from to maintain that field. We all...
11 December 2018 2,061 19 View
Hello everyone Suppose I have the next example (see figure) : I have two experiments : I know the input current in the first coil, and from it I compute the induced current in the second coil...
29 November 2018 9,316 3 View
I have this question, I have an aluminium plate (or any electrically conducting plate), I place two contact electrodes on its surface so a current will flow between the electrodes, I then place...
30 July 2018 708 3 View
Hello everyone, I was reading Griffiths (9.4.2) and he -when writing the boundary conditions of the electric field in a conductor- said the statement above,("Griffiths : For ohmic conductors (J...
29 March 2018 1,678 3 View
