T/F: The optimization analysis that you performed on the gripper was an example of a
size optimization study.
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False - shape optimization
A ____ material exhibits a large amount of strain before it fractures.
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ductile
,Describe frictionless supports.
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Frictionless supports work for 2D edges or 3D faces. They prevent translations
in the plane. A frictionless support is a boundary condition. Frictionless
supports cannot be applied to points.
T/F: The stress at a point load is infinite.
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True - because the area at the point is zero
T/F: First order elements have nodes located at the mid-side of the element.
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False - higher order
T/F: Equilibrium and compatibility are both satisfied at the element nodes.
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, True - If compatibility was not satisfied, there would be a hole in the model.
Provide an example where you would need to perform a harmonic response analysis.
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Two story building with the motor
Equilibrium is satisfied at the ____.
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nodes
Describe how to obtain the bending stress from the combined stress.
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Subtract axial stress from combined stress.
If the XZ plane is a plane of symmetry, the boundary condition located at the plane of
symmetry should be:
a. dx=0
size optimization study.
Give this one a try later!
False - shape optimization
A ____ material exhibits a large amount of strain before it fractures.
Give this one a try later!
ductile
,Describe frictionless supports.
Give this one a try later!
Frictionless supports work for 2D edges or 3D faces. They prevent translations
in the plane. A frictionless support is a boundary condition. Frictionless
supports cannot be applied to points.
T/F: The stress at a point load is infinite.
Give this one a try later!
True - because the area at the point is zero
T/F: First order elements have nodes located at the mid-side of the element.
Give this one a try later!
False - higher order
T/F: Equilibrium and compatibility are both satisfied at the element nodes.
Give this one a try later!
, True - If compatibility was not satisfied, there would be a hole in the model.
Provide an example where you would need to perform a harmonic response analysis.
Give this one a try later!
Two story building with the motor
Equilibrium is satisfied at the ____.
Give this one a try later!
nodes
Describe how to obtain the bending stress from the combined stress.
Give this one a try later!
Subtract axial stress from combined stress.
If the XZ plane is a plane of symmetry, the boundary condition located at the plane of
symmetry should be:
a. dx=0
