QUESTIONS WITH DETAILED VERIFIED AND 100%
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boundary conditions Ans✓✓✓The constraints and loads
added to the boundaries of a finite element model.
center-of-mass (centroid): Ans✓✓✓The origin of the
coordinate axes for which the first moments are zero.
constraint Ans✓✓✓A boundary condition applied to a
finite element model to prevent it from moving
through space.
density Ans✓✓✓The mass per unit volume for a given material.
displacement: Ans✓✓✓A change in the location of points on
an object after it has been subjected to external loads
Finite Element Analysis Ans✓✓✓An advanced computer based
design analysis technique that involves subdividing
an object into several small elements to determine
stresses, displacements, pressure fields, thermal distributions,
, or electromagnetic fields.
mechanical stress Ans✓✓✓Developed force applied per unit
area that tries to deform an object.
mesh Ans✓✓✓The series of elements and nodal points on a
finite element model.
moment-of-inertia Ans✓✓✓The measure of an object's ability
to resist rotational acceleration about an axis
radius-of-gyration Ans✓✓✓The distance from an axis where
all of the mass can be concentrated and still produce the
same moment-of-inertia.
reverse engineering Ans✓✓✓: 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? Ans✓✓✓Density, Mass, Volume, Surface
area, Center-of-mass or centroid, principle aces-of-inertia and principle
moments-of0inertia, radius-of-gyration