An Engineering Refresher: Mohr’s Circle and Where it Fits into CAD
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In a world where software analysis has taken over, let us take a history lesson to remember what makes our finite-element-analysis (FEA) software tick. Morh’s circle is just a graphical representation of shear and stress to obtain information for failure theories in order to calculate if a design will be able to handle a loading scenario. These are the same stresses and theories used in FEA software.
This simplified refresher will show a static two-dimensional loading scenario. Simple drawings such as beam diagrams or other models help to locate high levels of stress. Generating a stress element for these areas of high stress will simplify the calculations to one or few points of interest.
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In a world where software analysis has taken over, let us take a history lesson to remember what makes our finite-element-analysis (FEA) software tick. Morh’s circle is just a graphical representation of shear and stress to obtain information for failure theories in order to calculate if a design will be able to handle a loading scenario. These are the same stresses and theories used in FEA software.
This simplified refresher will show a static two-dimensional loading scenario. Simple drawings such as beam diagrams or other models help to locate high levels of stress. Generating a stress element for these areas of high stress will simplify the calculations to one or few points of interest.
Endquote
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