Hi I'm having trouble expanding the following equation for the axially symmetric biharmonic equation in polar co-ordinates. When I expanded it I got: But it should be: Any help would be much appreciated regards, Callum
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Originally Posted by CallumJ Hi I'm having trouble expanding the following equation for the axially symmetric biharmonic equation in polar co-ordinates. When I expanded it I got: But it should be: Any help would be much appreciated regards, Callum . Therefore: and . Correctly substitute and simpify and you'll get the correct answer.
Originally Posted by CallumJ But it should be: Any help would be much appreciated regards, Callum Should it not be: Then what, multiply throughout by , Euler, then Bingo-bango or no?
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