Load In vehicle suspension design it is desirable to minimize the mass of all components. You have been asked to select a material and dimensions for a light spring to replace the steel leaf-spring of an existing truck suspension. The existing leaf-spring is a beam, shown schematically in the figure. The new spring must have the same length L and stiffness k as the existing one, and must deflect through a maximum safe displacement &max without failure. The width b and thickness t are free variables. Use the index you derive to rank the following candidate material for this application using data from Appendix A: High carbon steel, low alloy steel, titanium alloys and CFRP (carbon fiber reinforced epoxy). L HINT: Derive a material index for the selection of a material for this application. Note that this is a problem with two free variables: b and t; and there are two constraints, one on safe deflection Smax and the other on stiffness k. Use the two constraints to fix the values of the free variables.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Load F
In vehicle suspension design it is desirable to minimize
the mass of all components. You have been asked to
select a material and dimensions for a light spring to
replace the steel leaf-spring of an existing truck
suspension. The existing leaf-spring is a beam, shown
schematically in the figure. The new spring must have
the same length L and stiffness k as the existing one,
and must deflect through a maximum safe displacement omax without failure. The width b and
thickness t are free variables. Use the index you derive to rank the following candidate material
for this application using data from Appendix A: High carbon steel, low alloy steel, titanium
alloys and CFRP (carbon fiber reinforced
epoxy).
L
HINT: Derive a material index for the selection of a material for this application. Note that this is
a problem with two free variables: b and t; and there are two constraints, one on safe deflection
Smax and the other on stiffness k. Use the two constraints to fix the values of the free variables.
Transcribed Image Text:Load F In vehicle suspension design it is desirable to minimize the mass of all components. You have been asked to select a material and dimensions for a light spring to replace the steel leaf-spring of an existing truck suspension. The existing leaf-spring is a beam, shown schematically in the figure. The new spring must have the same length L and stiffness k as the existing one, and must deflect through a maximum safe displacement omax without failure. The width b and thickness t are free variables. Use the index you derive to rank the following candidate material for this application using data from Appendix A: High carbon steel, low alloy steel, titanium alloys and CFRP (carbon fiber reinforced epoxy). L HINT: Derive a material index for the selection of a material for this application. Note that this is a problem with two free variables: b and t; and there are two constraints, one on safe deflection Smax and the other on stiffness k. Use the two constraints to fix the values of the free variables.
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