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Electric Circuits
Posted 4 mar 2023, 15:47 GMT-5 Electromagnetics, Studies & Solvers, Physics Interfaces Version 6.1 1 Reply
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I would like to ask how i could create parallel circuit devices ( such as parallel resistors or resistor-capacitor couple or to be more complex a resistor and voltage source parallel to a capacitor). When i triedro give same node to two resistor to make them parallel (i thougt it would be the solution which is not), Comsol give me " matrix has zero in diagonal " error. Also, i am actually trying to connect circuit with a model. For just one resistor, i can do it. When capacitor and parallel connections are getting into the job, I am getting errors. Thanks for your help.
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Draw the circuit and label the nodes. THEN specify your components and associated nodes.
Without looking at the circuit we can't tell where you made the mistake. But you will probably see the problem once you draw the circuit.
OR you could post the model. Maybe somebody will use your netlist to draw the circuit, in order to see the problem.