mechanical stress - Developed force applied per unit
area that tries to deform an object.
mesh - The series of elements and nodal points on a
finite element model.
, moment-of-inertia - The measure of an object's ability
to resist rotational acceleration about an axis
radius-of-gyration - The distance from an axis where
all of the mass can be concentrated and still produce the
same moment-of-inertia.
reverse engineering - : A systematic methodology for
analyzing the design of an existing device.
What are some of the mass properties that can be
computed for a CAD model? - Density, Mass, Volume, Surface area, Center-of-mass or centroid, principle
aces-of-inertia and principle moments-of0inertia, radius-of-gyration
What is a moment-of-inertia? - IT IS A
MEASURE OF THE BODY'S PROPERTY TO RESIST CHANGE IN ITS
STEADY ROTATION ABOUT THE AXIS. IT DEPENDS ON THE
BODY'S MASS AND ITS DISTRIBUTION AROUND THE AXIS
Is it easier to spin a
wheel with a large diameter or a small diameter? - a wheel with a large diameter will be harder to
accelerate
to a desired rotation rate than a wheel with a small diameter. so its easier to spin a wheel with a small
diameter
What are constraints in an FEA? - A way to hold the object (model) simulating attachment. it is also a
way to let the analysis know that part is fixed
What kinds of boundary conditions can be applied
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